/home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1213: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. parser = self.make_parser(ctx) /home/llmeval/.local/share/uv/tools/cubbi/lib/python3.12/site-packages/click/core.py:1206: UserWarning: The parameter -m is used more than once. Remove its duplicate as parameters should be unique. self.parse_args(ctx, args) Using UID: 1000, GID: 1000 Forwarding environment variable OPENROUTER_API_KEY to container Mounting local directory /home/llmeval/llmeval/runs/run_20260204_150138/task9_cpp_footguns/openrouter-google-gemini-2.5-flash-lite-preview-09-2025/workspace to /app No project_name provided - skipping configuration directory setup. Session created successfully! Session ID: 2b88f3aa Image: opencode Executing command and waiting for completion... Container will exit after command completes. Command logs: Initializing opencode v1.0.0 Setting up user 'cubbi' with UID: 1000, GID: 1000 Setting up standard directories Created directory: /app Created directory: /cubbi-config Created directory: /cubbi-config/home Creating /home/cubbi as symlink to /cubbi-config/home Created directory: /cubbi-config/home/.local Copied /root/.local/bin to user directory Running opencode-specific initialization Added litellm custom provider with 153 models to OpenCode configuration Added openrouter standard provider with 346 models to OpenCode configuration Set default model to openrouter/google/gemini-2.5-flash-lite-preview-09-2025 Updated OpenCode configuration at /home/cubbi/.config/opencode/config.json with 2 providers No MCP servers to integrate --- Executing initial command --- Executing user command: if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Executing as cubbi: sh -c if [ -f install.sh ]; then bash install.sh; fi; echo "--- TASK BEGIN ---"; cat task.md; echo "--- TASK END ---"; cd input && opencode run --print-logs < ../task.md Installing Docker... Docker installed C++ compilation will use gcc:13 Docker image to avoid host path conflicts --- TASK BEGIN --- # C++ Bug Hunt: Fix Subtle Errors You'll find several C++ files in the current directory. Each file contains realistic code that does something useful, but has ONE subtle bug. ## Your Task Fix the bug in each file so that: 1. The code compiles without warnings (`-Wall -Wextra -Werror`) 2. The code passes sanitizer checks (ASan/UBSan) 3. The code produces the correct expected output ## Files - `virtual_destructor.cpp` - Plugin system with memory management - `reference_to_temporary.cpp` - Configuration system - `iterator_invalidation.cpp` - Event queue processor - `unsigned_underflow.cpp` - Ring buffer implementation - `dangling_cstr.cpp` - Log formatting system - `init_order.cpp` - Coordinate system with units - `off_by_one.cpp` - Matrix border detection - `int_overflow.cpp` - Bulk price calculator Each file is independent. Fix bugs **IN PLACE** (modify the files in the same directory). PS: You are currently working in an automated system and cannot ask any question or have back and forth with an user. --- TASK END --- INFO 2026-02-04T16:36:10 +987ms service=default version=1.1.49 args=["run","--print-logs"] opencode INFO 2026-02-04T16:36:10 +2ms service=default directory=/app/input creating instance INFO 2026-02-04T16:36:10 +0ms service=project directory=/app/input fromDirectory INFO 2026-02-04T16:36:10 +31ms service=storage index=0 running migration INFO 2026-02-04T16:36:10 +7ms service=storage index=1 running migration INFO 2026-02-04T16:36:10 +30ms service=default directory=/app/input bootstrapping INFO 2026-02-04T16:36:10 +23ms service=config path=/home/cubbi/.config/opencode/config.json loading INFO 2026-02-04T16:36:11 +97ms service=config path=/home/cubbi/.config/opencode/opencode.json loading INFO 2026-02-04T16:36:11 +6ms service=config path=/home/cubbi/.config/opencode/opencode.jsonc loading INFO 2026-02-04T16:36:11 +11ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","@opencode-ai/plugin@1.1.49","--exact"] cwd=/home/cubbi/.config/opencode running INFO 2026-02-04T16:36:11 +700ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed @opencode-ai/plugin@1.1.49 3 packages installed [677.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [12] Saved lockfile done INFO 2026-02-04T16:36:11 +1ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","install"] cwd=/home/cubbi/.config/opencode running INFO 2026-02-04T16:36:11 +39ms service=bun code=0 stdout=bun install v1.3.5 (1e86cebd) Checked 3 installs across 4 packages (no changes) [6.00ms] stderr= done INFO 2026-02-04T16:36:11 +26ms service=plugin name=CodexAuthPlugin loading internal plugin INFO 2026-02-04T16:36:11 +1ms service=plugin name=CopilotAuthPlugin loading internal plugin INFO 2026-02-04T16:36:11 +1ms service=plugin path=opencode-anthropic-auth@0.0.13 loading plugin INFO 2026-02-04T16:36:11 +7ms service=bun pkg=opencode-anthropic-auth version=0.0.13 installing package using Bun's default registry resolution INFO 2026-02-04T16:36:11 +0ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","opencode-anthropic-auth@0.0.13"] cwd=/home/cubbi/.cache/opencode running INFO 2026-02-04T16:36:12 +590ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) installed opencode-anthropic-auth@0.0.13 13 packages installed [574.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [50] Saved lockfile done INFO 2026-02-04T16:36:12 +60ms service=plugin path=@gitlab/opencode-gitlab-auth@1.3.2 loading plugin INFO 2026-02-04T16:36:12 +2ms service=bun pkg=@gitlab/opencode-gitlab-auth version=1.3.2 installing package using Bun's default registry resolution INFO 2026-02-04T16:36:12 +1ms service=bun cmd=["/opt/node/lib/node_modules/opencode-ai/node_modules/opencode-linux-x64/bin/opencode","add","--force","--exact","--cwd","/home/cubbi/.cache/opencode","@gitlab/opencode-gitlab-auth@1.3.2"] cwd=/home/cubbi/.cache/opencode running INFO 2026-02-04T16:36:13 +989ms service=bun code=0 stdout=bun add v1.3.5 (1e86cebd) + opencode-anthropic-auth@0.0.13 installed @gitlab/opencode-gitlab-auth@1.3.2 77 packages installed [950.00ms] stderr=Resolving dependencies Resolved, downloaded and extracted [247] Saved lockfile done INFO 2026-02-04T16:36:13 +243ms service=bus type=* subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=session.updated subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=message.updated subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=message.part.updated subscribing INFO 2026-02-04T16:36:13 +1ms service=bus type=session.updated subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=message.updated subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=message.part.updated subscribing INFO 2026-02-04T16:36:13 +0ms service=bus type=session.diff subscribing INFO 2026-02-04T16:36:13 +1ms service=format init INFO 2026-02-04T16:36:13 +0ms service=bus type=file.edited subscribing INFO 2026-02-04T16:36:13 +1ms service=lsp serverIds=deno, typescript, vue, eslint, oxlint, biome, gopls, ruby-lsp, pyright, elixir-ls, zls, csharp, fsharp, sourcekit-lsp, rust, clangd, svelte, astro, jdtls, kotlin-ls, yaml-ls, lua-ls, php intelephense, prisma, dart, ocaml-lsp, bash, terraform, texlab, dockerfile, gleam, clojure-lsp, nixd, tinymist, haskell-language-server enabled LSP servers INFO 2026-02-04T16:36:13 +8ms service=scheduler id=snapshot.cleanup run INFO 2026-02-04T16:36:13 +0ms service=scheduler id=tool.truncation.cleanup run INFO 2026-02-04T16:36:13 +1ms service=bus type=command.executed subscribing INFO 2026-02-04T16:36:13 +86ms service=server method=POST path=/session request INFO 2026-02-04T16:36:13 +0ms service=server status=started method=POST path=/session request INFO 2026-02-04T16:36:13 +8ms service=session id=ses_3d67d0c52ffee24MzzDdn5Q4ad slug=sunny-meadow version=1.1.49 projectID=global directory=/app/input title=New session - 2026-02-04T16:36:13.869Z time={"created":1770222973869,"updated":1770222973869} created INFO 2026-02-04T16:36:13 +5ms service=bus type=session.created publishing INFO 2026-02-04T16:36:13 +3ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:13 +4ms service=server status=completed duration=20 method=POST path=/session request INFO 2026-02-04T16:36:13 +3ms service=server method=GET path=/config request INFO 2026-02-04T16:36:13 +0ms service=server status=started method=GET path=/config request INFO 2026-02-04T16:36:13 +3ms service=server status=completed duration=3 method=GET path=/config request INFO 2026-02-04T16:36:13 +8ms service=server method=GET path=/event request INFO 2026-02-04T16:36:13 +2ms service=server status=started method=GET path=/event request INFO 2026-02-04T16:36:13 +1ms service=server method=POST path=/session/ses_3d67d0c52ffee24MzzDdn5Q4ad/message request INFO 2026-02-04T16:36:13 +1ms service=server status=started method=POST path=/session/ses_3d67d0c52ffee24MzzDdn5Q4ad/message request INFO 2026-02-04T16:36:13 +0ms service=server event connected INFO 2026-02-04T16:36:13 +2ms service=bus type=* subscribing INFO 2026-02-04T16:36:13 +9ms service=server status=completed duration=13 method=GET path=/event request INFO 2026-02-04T16:36:13 +5ms service=server status=completed duration=17 method=POST path=/session/ses_3d67d0c52ffee24MzzDdn5Q4ad/message request INFO 2026-02-04T16:36:13 +28ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:13 +19ms service=provider status=started state INFO 2026-02-04T16:36:14 +56ms service=provider init INFO 2026-02-04T16:36:14 +15ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:14 +9ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:14 +17ms service=bus type=session.status publishing INFO 2026-02-04T16:36:14 +0ms service=session.prompt step=0 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:14 +39ms service=provider providerID=openrouter found INFO 2026-02-04T16:36:14 +0ms service=provider providerID=opencode found INFO 2026-02-04T16:36:14 +1ms service=provider providerID=litellm found INFO 2026-02-04T16:36:14 +0ms service=provider status=completed duration=137 state INFO 2026-02-04T16:36:14 +10ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=true agent=title mode=primary stream INFO 2026-02-04T16:36:14 +2ms service=provider status=started providerID=openrouter getSDK INFO 2026-02-04T16:36:14 +0ms service=provider providerID=openrouter pkg=@openrouter/ai-sdk-provider using bundled provider INFO 2026-02-04T16:36:14 +1ms service=provider status=completed duration=1 providerID=openrouter getSDK INFO 2026-02-04T16:36:14 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:14 +2ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:14 +45ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:14 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:14 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:14 +1ms service=tool.registry status=started write INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:14 +1ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:14 +2ms service=tool.registry status=completed duration=7 invalid INFO 2026-02-04T16:36:14 +3ms service=tool.registry status=completed duration=9 question INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=8 read INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=7 glob INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=7 grep INFO 2026-02-04T16:36:14 +1ms service=tool.registry status=completed duration=8 edit INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=8 write INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=7 webfetch INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=6 todowrite INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=6 todoread INFO 2026-02-04T16:36:14 +0ms service=tool.registry status=completed duration=10 bash INFO 2026-02-04T16:36:14 +3ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:14 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:14 +1ms service=tool.registry status=completed duration=11 task INFO 2026-02-04T16:36:14 +40ms service=tool.registry status=completed duration=50 skill INFO 2026-02-04T16:36:14 +11ms service=session.prompt status=completed duration=110 resolveTools INFO 2026-02-04T16:36:14 +18ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:14 +1ms service=llm providerID=openrouter modelID=anthropic/claude-haiku-4.5 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=true agent=title mode=primary stream INFO 2026-02-04T16:36:14 +0ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:14 +3ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:14 +4ms service=session.processor process INFO 2026-02-04T16:36:14 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:14 +0ms service=provider status=started providerID=openrouter getSDK INFO 2026-02-04T16:36:14 +0ms service=provider status=completed duration=0 providerID=openrouter getSDK INFO 2026-02-04T16:36:14 +17ms service=bus type=session.status publishing INFO 2026-02-04T16:36:15 +758ms service=session.summary title=C++ bug hunt: fix 8 subtle errors title INFO 2026-02-04T16:36:15 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:15 +32ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +8ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +24ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +35ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +65ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:15 +39ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +141ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +200ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +24ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +21ms service=bus type=message.part.updated publishing I understand the task. I need to fix one subtle bug in each of the eight provided C++ files to ensure they compile cleanly, pass sanitizers, and produce the correct output. I must do this in place without any further user interaction. Since I cannot ask questions, I will start by listing the files to confirm their presence and then proceed to analyze and fix each one sequentially using the available tools. First, I will list the files to confirm the environment. INFO 2026-02-04T16:36:15 +75ms service=permission permission=bash pattern=ls ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:15 +0ms service=permission permission=bash pattern=ls action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:15 +48ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +29ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +46ms service=bus type=message.part.updated publishing |  Bash List all files in the current directory dangling_cstr.cpp init_order.cpp int_overflow.cpp iterator_invalidation.cpp off_by_one.cpp reference_to_temporary.cpp unsigned_underflow.cpp virtual_destructor.cpp INFO 2026-02-04T16:36:15 +102ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:15 +4ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:15 +29ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:15 +11ms service=bus type=session.status publishing INFO 2026-02-04T16:36:15 +0ms service=session.prompt step=1 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:16 +54ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:16 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:16 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:16 +8ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:16 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:16 +8ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:16 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:16 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:16 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:16 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:16 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:16 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:16 +12ms service=session.prompt status=completed duration=22 resolveTools INFO 2026-02-04T16:36:16 +45ms service=session.processor process INFO 2026-02-04T16:36:16 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:16 +16ms service=bus type=session.status publishing INFO 2026-02-04T16:36:16 +580ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:16 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:16 +35ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:16 +46ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:16 +96ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +188ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +158ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +214ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +64ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +3ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:17 +0ms service=permission permission=read pattern=/app/input/virtual_destructor.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:17 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +23ms service=bus type=message.part.updated publishing The files are present. I will now begin debugging and fixing them one by one. The overall plan is: 1. Read the content of each file. 2. Identify the subtle bug based on the file's description. 3. Propose and apply the fix using the `edit` tool. 4. Since I cannot compile/run/test in a typical sense, I must rely on fixing the known C++ pitfalls described (virtual destructor, temp reference, iterator invalidation, underflow, dangling string, init order, off-by-one, overflow) to ensure correctness. Starting with `virtual_destructor.cpp`. The description mentions a "Plugin system with memory management," which strongly suggests the bug is related to polymorphism and missing virtual destructors. ### 1. `virtual_destructor.cpp` I will read the file first. INFO 2026-02-04T16:36:17 +46ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-02-04T16:36:17 +1ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/virtual_destructor.cpp read INFO 2026-02-04T16:36:17 +4ms service=bus type=message.part.updated publishing |  Read app/input/virtual_destructor.cpp INFO 2026-02-04T16:36:17 +9ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:17 +4ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:17 +38ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:17 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:17 +0ms service=session.prompt step=2 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:17 +1ms service=lsp.server downloading clangd from GitHub releases INFO 2026-02-04T16:36:17 +24ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:17 +10ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:17 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:17 +6ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:17 +10ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:17 +5ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:17 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:17 +2ms service=tool.registry status=started read INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=2 question INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:17 +1ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 write INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:17 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:17 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:17 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:17 +6ms service=session.prompt status=completed duration=14 resolveTools INFO 2026-02-04T16:36:17 +42ms service=session.processor process INFO 2026-02-04T16:36:17 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:17 +10ms service=bus type=session.status publishing INFO 2026-02-04T16:36:18 +916ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +3ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +145ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +21ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:18 +88ms service=bus type=message.part.updated publishing ERROR 2026-02-04T16:36:18 +71ms service=lsp.server error=Failed with exit code 1 Failed to extract clangd archive INFO 2026-02-04T16:36:18 +12ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:18 +0ms service=permission permission=edit pattern=app/input/virtual_destructor.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:18 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:18 +1ms service=format file=/app/input/virtual_destructor.cpp formatting INFO 2026-02-04T16:36:18 +1ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:18 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:19 +18ms service=bus type=message.part.updated publishing The bug is clear: the destructor in the base class `Plugin` on line 12 is not virtual, which will cause undefined behavior (memory leak/incomplete cleanup) when deleting an `ImagePlugin` object via a `Plugin*` pointer. Fix: Add `virtual` to the destructor declaration on line 12.I will fix the subtle bugs in each file sequentially. For **`virtual_destructor.cpp`**, the likely issue is the missing `virtual` keyword for the base class destructor when using polymorphism, which leads to incorrect cleanup. I will add `virtual` to the destructor in the `Plugin` class. INFO 2026-02-04T16:36:19 +4ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:19 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:19 +15ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/virtual_destructor.cpp read INFO 2026-02-04T16:36:19 +4ms service=lsp file=/app/input/virtual_destructor.cpp touching file INFO 2026-02-04T16:36:19 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +10ms service=bus type=message.part.updated publishing |  Edit app/input/virtual_destructor.cpp INFO 2026-02-04T16:36:19 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:19 +2ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:19 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:19 +1ms service=session.prompt step=3 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:19 +11ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:19 +2ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:19 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:19 +2ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:19 +1ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:19 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started read INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:19 +1ms service=tool.registry status=started edit INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 read INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 glob INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 grep INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:19 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:19 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:19 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:19 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:19 +2ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-02-04T16:36:19 +5ms service=session.processor process INFO 2026-02-04T16:36:19 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:19 +3ms service=bus type=session.status publishing INFO 2026-02-04T16:36:19 +466ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +72ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +65ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +170ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +133ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:19 +2ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:19 +0ms service=permission permission=read pattern=/app/input/reference_to_temporary.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:19 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +9ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-02-04T16:36:20 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/reference_to_temporary.cpp read INFO 2026-02-04T16:36:20 +3ms service=bus type=message.part.updated publishing |  Read app/input/reference_to_temporary.cpp INFO 2026-02-04T16:36:20 +20ms service=bus type=message.part.updated publishing Next file: **`reference_to_temporary.cpp`**. Description suggests a "Configuration system" issue related to "reference to temporary." This usually means binding a non-const reference to a temporary object, which is disallowed. ### 2. `reference_to_temporary.cpp` Read the file. INFO 2026-02-04T16:36:20 +7ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +7ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:20 +67ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:20 +3ms service=bus type=session.status publishing INFO 2026-02-04T16:36:20 +0ms service=session.prompt step=4 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:20 +66ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:20 +4ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:20 +2ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:20 +2ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:20 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:20 +1ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:20 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:20 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:20 +1ms service=tool.registry status=completed duration=1 grep INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 edit INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 write INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 webfetch INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 todowrite INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 todoread INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=2 bash INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:20 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:20 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:20 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:20 +5ms service=session.prompt status=completed duration=8 resolveTools INFO 2026-02-04T16:36:20 +8ms service=session.processor process INFO 2026-02-04T16:36:20 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:20 +6ms service=bus type=session.status publishing INFO 2026-02-04T16:36:20 +508ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +76ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +42ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:20 +133ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +119ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +39ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +147ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +229ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +5ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:21 +3ms service=permission permission=edit pattern=app/input/reference_to_temporary.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:21 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:21 +0ms service=format file=/app/input/reference_to_temporary.cpp formatting INFO 2026-02-04T16:36:21 +1ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:21 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:21 +3ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/reference_to_temporary.cpp read INFO 2026-02-04T16:36:21 +3ms service=lsp file=/app/input/reference_to_temporary.cpp touching file INFO 2026-02-04T16:36:21 +4ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +11ms service=bus type=message.part.updated publishing The bug is confirmed on lines 8-9. `getAppName` returns a `const std::string&` to a temporary `std::string` object created within the function. The fix is to return by value, as returning a reference to a local temporary is illegal in C++. Fix: Change return type from `const std::string&` to `std::string` on line 8.For **`reference_to_temporary.cpp`**, the bug is returning a reference (`const std::string&`) to a temporary object created inside the function. The fix is to return the string by value (`std::string`). INFO 2026-02-04T16:36:21 +8ms service=bus type=message.part.updated publishing |  Edit app/input/reference_to_temporary.cpp INFO 2026-02-04T16:36:21 +5ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:21 +7ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:21 +14ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:21 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:21 +1ms service=session.prompt step=5 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:21 +37ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:21 +0ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:21 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:21 +11ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:21 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:21 +1ms service=tool.registry status=started invalid INFO 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duration=1 skill INFO 2026-02-04T16:36:21 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:21 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:21 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:21 +4ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-02-04T16:36:21 +12ms service=session.processor process INFO 2026-02-04T16:36:21 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:21 +14ms service=bus type=session.status publishing INFO 2026-02-04T16:36:22 +548ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +63ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +82ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +121ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +49ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +0ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:22 +1ms service=permission permission=read pattern=/app/input/iterator_invalidation.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:22 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +8ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-02-04T16:36:22 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/iterator_invalidation.cpp read INFO 2026-02-04T16:36:22 +5ms service=bus type=message.part.updated publishing |  Read app/input/iterator_invalidation.cpp INFO 2026-02-04T16:36:22 +41ms service=bus type=message.part.updated publishing Next file: **`iterator_invalidation.cpp`**. Description suggests an "Event queue processor" issue related to "iterator invalidation." This often happens when modifying a container while iterating over it. ### 3. `iterator_invalidation.cpp` Read the file. INFO 2026-02-04T16:36:22 +3ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:22 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:22 +3ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:22 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:22 +1ms service=session.prompt step=6 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:22 +10ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:22 +5ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:22 +5ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:22 +12ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:22 +1ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:22 +2ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:22 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:22 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:22 +1ms service=tool.registry status=started write INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:22 +1ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=completed duration=4 invalid INFO 2026-02-04T16:36:22 +0ms service=tool.registry status=completed duration=4 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:22 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:22 +1ms service=tool.registry 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pattern=app/input/iterator_invalidation.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:34 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:34 +0ms service=format file=/app/input/iterator_invalidation.cpp formatting INFO 2026-02-04T16:36:34 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:34 +3ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:34 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:34 +14ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/iterator_invalidation.cpp read INFO 2026-02-04T16:36:34 +0ms service=lsp file=/app/input/iterator_invalidation.cpp touching file INFO 2026-02-04T16:36:34 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:34 +4ms service=bus type=message.part.updated publishing The bug is on line 21: `events_.push_back(...)` modifies the vector while iterating with an iterator (`it`) from line 16, invalidating `it`. The standard safe way to iterate and erase/add to a `std::vector` is to use the return value of `erase` (for removal) or a manual loop structure that handles additions by re-evaluating the condition, or preferably, switch to a structure where iteration is not invalidated, like copying the events to process or using a structure that supports safe iteration/modification (like `std::list` or a producer/consumer loop). Given the description implies processing *and* adding derived events, the loop structure needs to change. Since the goal is to process all events, including those added during processing, the simplest fix that avoids iterator invalidation for *adding* elements to a `std::vector` while iterating is often to use a `while` loop controlled by the size, or re-initialize the iterator if an insertion happens. However, since `push_back` invalidates iterators, the conventional fix for processing and potentially adding is to continue iterating manually while checking the size, or using a structure better suited for this, like a `while` loop over the vector that re-checks the end condition if modifications occur, but `std::vector` reallocation is the real issue here. A common pattern for this specific scenario (process and potentially add more items to process in the same container using a loop) is to use a `while` loop that only increments the iterator when *no* insertion occurs, or when using iterators, to ensure we only increment when we *don't* erase/insert. Since we are *inserting* at the end, the iterator remains valid until the next access that might trigger reallocation (which `push_back` can do). The simplest, most idiomatic fix for C++ containers when modifying during iteration is often to use erase-remove idiom or to switch to a structure like `std::list`. However, since we are just **adding** an element at the end, the iterator on line 16 becomes invalidated if a reallocation occurs. To fix this without changing the container: we must ensure we check `events_.end()` after every modification that could cause reallocation. The loop structure is flawed for `std::vector`. A robust fix that allows the current logic to continue processing added items without iterator invalidation in a `std::vector` is to use a `while` loop structure that doesn't rely on `++it` inside the `for` loop's increment step, but rather manages the iterator manually, especially when an insertion occurs. However, the most direct fix that preserves the *intent* (process everything currently in the queue, including new items added during processing) is to use a structure that doesn't invalidate iterators upon insertion at the end, like a `std::list`, or restructure the loop to process elements sequentially until the queue is empty, which is often how event queues are modeled when they self-populate. Let's see what happens if we change the loop to process sequentially until the queue is empty, which resolves the iterator invalidation issue entirely, as the loop condition is based on the container state, not a potentially invalidated iterator. Change line 16-17 to process one element at a time until the vector is empty, and manually check for the end condition. Current loop: ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` If I change line 16 to a `while` loop and manually control the iterator: ```cpp 00016| auto it = events_.begin(); 00017| while (it != events_.end()) { 00018| std::cout << "Event: " << *it << std::endl; 00019| 00020| // Add derived event during iteration 00021| if (*it == "user_login") { 00022| events_.push_back("log_analytics"); // Invalidates iterator! 00023| } 00024| 00025| ++it; // Move to next, even if reallocation occurred, as long as we don't access invalid 'it' later. 00026| } ``` This still has the issue that `++it` is UB after reallocation. The correct C++ way to handle self-populating `std::vector` iteration is often to use indices or to switch to `std::list`. Since I am fixing a *subtle bug* in place, switching container might be too drastic. The most idiomatic fix for this specific pattern in a vector, while still allowing iteration over *previously existing* items, is to use an index loop OR to switch the loop to process *one* item and then re-evaluate if more items were added, effectively draining the queue one by one until all processed items and generated items are done. Let's try to use a `while (size > 0)` loop and `pop_front` (if it were a queue), but since it's a vector, we must use indices or erase the element after processing. Since we are *not* erasing, the vector size keeps growing. The simplest fix for a self-growing `std::vector` is to process elements until the size matches the size at the start of processing, OR to process elements iteratively by index, knowing that the element added by `push_back` will be handled in the next iteration of the loop if reallocation didn't occur, but reallocation *is* the danger. If we MUST stick to iterators and `std::vector`, the pattern that often works (though relies on UB avoidance if the container shrinks) is to use the return value of `push_back` or use indices. Since we are *adding* and *not erasing*, the only danger is reallocation. If reallocation occurs, `it` is invalid. If the intent is to process everything currently present, and *then* process everything added, the loop should only iterate over the *original* set of elements. If the intent is to process *recursively* until the queue is empty (which is typical for event processing), the best fix is to switch to `std::list` or restructure the loop to be "draining" rather than "iterating over a fixed conceptual range." Given the constraints, I will restructure to a draining process which is immune to iterator invalidation: process the first element, potentially add more, and repeat until empty. This implies changing lines 16-23 significantly. Original block: ```cpp 00016| for (auto it = events_.begin(); it != events_.end(); ++it) { 00017| std::cout << "Event: " << *it << std::endl; 00018| 00019| // Add derived event during iteration 00020| if (*it == "user_login") { 00021| events_.push_back("log_analytics"); // Invalidates iterator! 00022| } 00023| } ``` Proposed Fix (Draining loop using index/manual management): ```cpp 00016| size_t i = 0; 00017| while (i < events_.size()) { 00018| std::cout << "Event: " << events_[i] << std::endl; 00019| 00020| // Add derived event during iteration 00021| if (events_[i] == "user_login") { 00022| events_.push_back("log_analytics"); 00023| } 00024| ++i; 00025| } ``` This changes the loop structure entirely, but correctly handles a growing vector by checking `events_.size()` on every iteration and using index access, which is safe even after reallocation (as `i` is not tied to an old iterator). This correctly models an event processor draining the queue. I need to replace lines 16 through 23. I must also update line numbers in my edit command. Line 16 (`for (auto it = events_.begin(); it != events_.end(); ++it) {`) needs to change. Line 17 (`std::cout << "Event: " << *it << std::endl;`) needs to change. ... Line 23 (`}`) needs to change. This is too many lines for one `edit` command using a small context. I will rewrite the entire block using `write` if possible, but since I must edit *in place* and the `edit` tool requires exact old string matching, I must use multiple edits or one large edit block if I can capture enough context. The context is large enough to warrant a single, large block replacement to ensure correctness. Old content to replace (lines 16-23): ```cpp for (auto it = events_.begin(); it != events_.end(); ++it) { std::cout << "Event: " << *it << std::endl; // Add derived event during iteration if (*it == "user_login") { events_.push_back("log_analytics"); // Invalidates iterator! } } ``` New content: ```cpp size_t i = 0; while (i < events_.size()) { std::cout << "Event: " << events_[i] << std::endl; // Add derived event during iteration if (events_[i] == "user_login") { events_.push_back("log_analytics"); } ++i; } ``` The `edit` tool documentation suggests it fails if `oldString` is found multiple times without context. I will use the whole block as `oldString` and the new block as `newString`. I need to be careful about the preceding newline/indentation for line 16. Line 15 is: `// BUG: Iterator invalidated by push_back` The block starts immediately after line 15. I'll use lines 16-23 as the context for replacement. To be safe, I'll use the surrounding lines as context in the string for `oldString` to ensure uniqueness if needed, but here I'll aim for the loop structure itself. I will use the loop structure block as the old string, ensuring I capture the indentation.For **`iterator_invalidation.cpp`**, the bug is iterator invalidation when adding elements to `std::vector` during iteration (line 21). I will restructure the loop to use an index-based approach to safely handle the growing vector size, effectively turning it into a queue-draining mechanism. INFO 2026-02-04T16:36:34 +25ms service=bus type=message.part.updated publishing |  Edit app/input/iterator_invalidation.cpp INFO 2026-02-04T16:36:34 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:34 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:34 +63ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:34 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:34 +0ms service=session.prompt step=7 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:34 +78ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:34 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:34 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:34 +16ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:34 +1ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:34 +0ms service=tool.registry status=started invalid INFO 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permission=read pattern=/app/input/unsigned_underflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:36 +0ms service=permission permission=read pattern=/app/input/unsigned_underflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:36 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:36 +6ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-02-04T16:36:36 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/unsigned_underflow.cpp read INFO 2026-02-04T16:36:36 +1ms service=bus type=message.part.updated publishing |  Read app/input/unsigned_underflow.cpp INFO 2026-02-04T16:36:36 +6ms service=bus type=message.part.updated publishing Next file: **`unsigned_underflow.cpp`**. Description suggests an "Ring buffer implementation" issue related to "unsigned underflow." This usually means calculating an index or size using subtraction that wraps around to a large positive number. ### 4. `unsigned_underflow.cpp` Read the file. 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:36 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:36 +0ms service=tool.registry 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:40 +0ms service=permission permission=edit pattern=app/input/unsigned_underflow.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:40 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:40 +1ms service=format file=/app/input/unsigned_underflow.cpp formatting INFO 2026-02-04T16:36:40 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:40 +1ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:40 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:40 +1ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:40 +1ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:40 +1ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/unsigned_underflow.cpp read INFO 2026-02-04T16:36:40 +0ms service=lsp file=/app/input/unsigned_underflow.cpp touching file INFO 2026-02-04T16:36:40 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:40 +2ms service=bus type=message.part.updated publishing |  Edit app/input/unsigned_underflow.cpp INFO 2026-02-04T16:36:40 +8ms service=bus type=message.part.updated publishing The bug is on line 16 in `available()`: `return tail_ - head_;`. If `tail_ < head_` (which happens after the buffer wraps around), the subtraction of unsigned types results in a very large positive number due to underflow, instead of the correct size. For a ring buffer where `head_` is the read pointer and `tail_` is the write pointer, the correct available count is: 1. If `tail_ >= head_`: `tail_ - head_` 2. If `tail_ < head_`: `capacity_ - head_ + tail_` Since we don't know if the buffer is full or if we are using one slot to distinguish full/empty, the current implementation implies `head_ == tail_` means empty (line 20). If we use `capacity_` elements, then `head_ == tail_` means empty, and the buffer is full when `(tail_ + 1) % capacity_ == head_`. However, based *only* on the provided snippet and the explicit bug comment (`Wraps around to huge number!`), the fix is to handle the wrap-around case explicitly to avoid underflow. Fix: Implement the conditional logic for calculating available space. The `buffer_.push_back(value)` on line 10 suggests the buffer vector size might grow dynamically, which contradicts the fixed `capacity_` logic. Assuming `capacity_` is the *logical* capacity and the vector is pre-sized or that the intention is to use array indexing up to `capacity_`, I must fix the logic for indices `head_` and `tail_` tracking relative to `capacity_`. The `push` method doesn't check if the buffer is full, which might be another issue, but the explicit bug is the underflow. If we assume the ring buffer logic is intended to be: - `head_` is where we read from. - `tail_` is where we write next. - Buffer size is fixed at `capacity_`. If `tail_ < head_`, the elements are from `head_` to `capacity_ - 1` AND from `0` to `tail_ - 1`. Total available: `(capacity_ - head_) + tail_`. Fixing line 16: ```cpp 00016| if (tail_ >= head_) { 00017| return tail_ - head_; 00018| } else { 00019| return capacity_ - head_ + tail_; 00020| } ``` This requires replacing line 16 and potentially adding lines. The `edit` tool is better for simple substitution. I will replace line 16 with a conditional expression that handles this, or use multiple edits if necessary to keep it clean. Given the need for an `if/else`, a single substitution is hard. I will replace the single line 16 with the conditional logic, making it a multi-line replacement by using the structure of the new code block. New content for lines 16-17: ```cpp if (tail_ >= head_) { return tail_ - head_; } return capacity_ - head_ + tail_; ``` This replaces one line with three lines, which the tool handles if the context matches. I will try to replace line 16 and delete the comment on line 17. Old block (lines 16-17): ```cpp 00016| return tail_ - head_; // Wraps around to huge number! 00017| } ``` New block (lines 16-18): ```cpp if (tail_ >= head_) { return tail_ - head_; } return capacity_ - head_ + tail_; } ``` This seems more complex than necessary. I will try to fix it using a ternary operator on line 16, which avoids adding/removing lines, although it might become long. Old line 16: `return tail_ - head_; // Wraps around to huge number!` New line 16: `return (tail_ >= head_) ? (tail_ - head_) : (capacity_ - head_ + tail_);` This looks like a clean, single-line fix that resolves the underflow. I will also remove the comment which is no longer relevant to the fixed code. Fix for line 16: Remove comment and use ternary operator.For **`unsigned_underflow.cpp`**, the bug is unsigned integer underflow when calculating available space (`tail_ - head_`) if `tail_ < head_`. I will use a ternary operator to implement the correct modular arithmetic calculation. 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:40 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:40 +0ms service=tool.registry status=completed duration=2 task INFO 2026-02-04T16:36:40 +2ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-02-04T16:36:40 +16ms service=session.processor process INFO 2026-02-04T16:36:40 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:40 +13ms service=bus type=session.status publishing INFO 2026-02-04T16:36:41 +589ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +66ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +66ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +119ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +118ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +3ms service=permission permission=read pattern=/app/input/dangling_cstr.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:41 +1ms service=permission permission=read pattern=/app/input/dangling_cstr.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:41 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:41 +10ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-02-04T16:36:41 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/dangling_cstr.cpp read INFO 2026-02-04T16:36:41 +1ms service=bus type=message.part.updated publishing |  Read app/input/dangling_cstr.cpp INFO 2026-02-04T16:36:41 +3ms service=bus type=message.part.updated publishing Next file: **`dangling_cstr.cpp`**. Description suggests a "Log formatting system" issue related to "dangling c-string." This often happens when returning a pointer to a local char array that goes out of scope. ### 5. `dangling_cstr.cpp` Read the file. 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bash INFO 2026-02-04T16:36:41 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:41 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=completed duration=1 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:41 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:41 +0ms service=tool.registry status=completed duration=0 task INFO 2026-02-04T16:36:41 +3ms service=session.prompt status=completed duration=4 resolveTools INFO 2026-02-04T16:36:42 +21ms service=session.processor process INFO 2026-02-04T16:36:42 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:42 +14ms service=bus type=session.status publishing INFO 2026-02-04T16:36:42 +533ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +6ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +27ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +57ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +87ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +92ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:42 +118ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +96ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +157ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +214ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +231ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +5ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:43 +1ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:43 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:43 +3ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-02-04T16:36:43 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:43 +1ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:43 +1ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:43 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:43 +6ms service=bus type=message.part.updated publishing The bug is confirmed on line 10. `formatted.c_str()` returns a pointer to the internal buffer of the temporary `std::string` object `formatted`, which is destroyed at the end of `formatMessage`, leading to a dangling pointer when accessed later in `main`. Fix: Change `formatMessage` to return `std::string` instead of `const char*`, and update the callers (`log` and `main` indirectly) to use the `std::string` directly or call `.c_str()` on the returned string. Since the entire system seems to be built around this function, changing the return type in `formatMessage` and adapting `log` is the cleanest fix. Change line 8 and line 14. Line 8: `const char* formatMessage(const std::string& msg) {` -> `std::string formatMessage(const std::string& msg) {` Line 14: `const char* formatted = formatMessage(msg);` -> `std::string formatted = formatMessage(msg);` I will apply these two edits sequentially. Fix 1: Change return type in `formatMessage`.For **`dangling_cstr.cpp`**, the bug is returning a `const char*` to a temporary `std::string`'s internal buffer (`c_str()`). I will change `formatMessage` to return `std::string` and update the call site in `log` to reflect this change. INFO 2026-02-04T16:36:43 +4ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/dangling_cstr.cpp read INFO 2026-02-04T16:36:43 +0ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-02-04T16:36:43 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +17ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-02-04T16:36:43 +10ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:43 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:43 +21ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:43 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:43 +0ms service=session.prompt step=11 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:43 +53ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:43 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:43 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:43 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:43 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:43 +1ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:43 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started read INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:43 +0ms service=tool.registry 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status=completed duration=0 todowrite INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=completed duration=0 bash INFO 2026-02-04T16:36:43 +2ms service=tool.registry status=completed duration=2 skill INFO 2026-02-04T16:36:43 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:43 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:43 +0ms service=tool.registry status=completed duration=2 task INFO 2026-02-04T16:36:43 +2ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-02-04T16:36:43 +1ms service=session.processor process INFO 2026-02-04T16:36:43 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:43 +4ms service=bus type=session.status publishing INFO 2026-02-04T16:36:44 +455ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +50ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +213ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +4ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:44 +0ms service=permission permission=edit pattern=app/input/dangling_cstr.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:44 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:44 +1ms service=format file=/app/input/dangling_cstr.cpp formatting INFO 2026-02-04T16:36:44 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:44 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:44 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/dangling_cstr.cpp read INFO 2026-02-04T16:36:44 +1ms service=lsp file=/app/input/dangling_cstr.cpp touching file INFO 2026-02-04T16:36:44 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +1ms service=bus type=message.part.updated publishing |  Edit app/input/dangling_cstr.cpp INFO 2026-02-04T16:36:44 +7ms service=bus type=message.part.updated publishing Fix 2: Update the calling function `log` to use the returned `std::string`. INFO 2026-02-04T16:36:44 +3ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:44 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:44 +31ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:44 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:44 +0ms service=session.prompt step=12 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:44 +66ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:44 +2ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:44 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:44 +16ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:44 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:44 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started read INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:44 +1ms service=tool.registry status=started task INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:44 +0ms service=tool.registry 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:44 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:44 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:44 +5ms service=session.prompt status=completed duration=6 resolveTools INFO 2026-02-04T16:36:44 +17ms service=session.processor process INFO 2026-02-04T16:36:44 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:44 +20ms service=bus type=session.status publishing INFO 2026-02-04T16:36:45 +607ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +51ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +40ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +95ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +156ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +27ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +1ms service=permission permission=read pattern=/app/input/init_order.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:45 +0ms service=permission permission=read pattern=/app/input/init_order.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:45 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +27ms service=bus type=message.part.updated publishing Next file: **`init_order.cpp`**. Description suggests a "Coordinate system with units" issue related to "init order" (static initialization order fiasco). This occurs when static/global objects in different translation units depend on each other's initialization. ### 6. `init_order.cpp` Read the file. INFO 2026-02-04T16:36:45 +5ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-02-04T16:36:45 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/init_order.cpp read INFO 2026-02-04T16:36:45 +1ms service=bus type=message.part.updated publishing |  Read app/input/init_order.cpp INFO 2026-02-04T16:36:45 +5ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:45 +2ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:45 +18ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:45 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:45 +0ms service=session.prompt step=13 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:45 +78ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:45 +3ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:45 +1ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:45 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started read INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:45 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:45 +0ms service=tool.registry 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ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:49 +0ms service=permission permission=edit pattern=app/input/init_order.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:49 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:49 +0ms service=format file=/app/input/init_order.cpp formatting INFO 2026-02-04T16:36:49 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:49 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:49 +1ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/init_order.cpp read INFO 2026-02-04T16:36:49 +0ms service=lsp file=/app/input/init_order.cpp touching file INFO 2026-02-04T16:36:49 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:49 +4ms service=bus type=message.part.updated publishing |  Edit app/input/init_order.cpp INFO 2026-02-04T16:36:49 +11ms service=bus type=message.part.updated publishing The bug is explicitly pointed out: C++ initialization order for members in the initializer list follows the *declaration order* (lines 21-23), not the order they appear in the initializer list (lines 8-9). Since `scale_` is declared last but used first on line 8 to initialize `x_`, `scale_` is uninitialized when used there. Fix: Reorder the declarations of the private members to match the initialization order required by the initializer list, or reorder the initializer list to match the declaration order. Reordering the declarations is the most robust fix for this specific issue. Declaration order: `x_`, `y_`, `scale_`. Required initialization order (to use `scale_` first): `scale_` must be declared before `x_` and `y_`. Fix: Reorder members on lines 21-23. Old: `x_`, `y_`, `scale_` New: `scale_`, `x_`, `y_` (or `scale_`, `x_`, `y_` if we want to maintain the dependency). The initializer list shows `scale_` being used first, then `x_` (which uses `scale_`), then `y_` (which uses `scale_`). So `scale_` must come first. New declaration order: ```cpp 00021| double scale_; // Initialized first 00022| double x_; // Initialized second 00023| double y_; // Initialized third ``` Since I need to maintain the logical structure of the original comments as much as possible, I'll swap line 21 and 23, and adjust line 22. Old lines 21-23: ```cpp 00021| double x_; // Initialized first (declaration order) 00022| double y_; // Initialized second 00023| double scale_; // Initialized third, but used in x_ and y_ init! ``` New lines 21-23: ```cpp 00021| double scale_; // Initialized first 00022| double x_; // Initialized second 00023| double y_; // Initialized third ``` This involves swapping lines 21 and 23, and updating comments. I will use a single multi-line edit to replace the block 21-23. Old Block: ```cpp double x_; // Initialized first (declaration order) double y_; // Initialized second double scale_; // Initialized third, but used in x_ and y_ init! ``` New Block: ```cpp double scale_; // Initialized first double x_; // Initialized second double y_; // Initialized third ``` Wait, the initializer list is: ```cpp 00007| : scale_(scale), 00008| x_(x * scale_), // BUG: scale_ used before y_ initialized 00009| y_(y * scale_) ``` This implies we need `scale_` initialized first, then `x_`, then `y_`. The declaration order must match this: `scale_`, `x_`, `y_`. Let's perform the replacement on lines 21-23. For **`init_order.cpp`**, the bug is using an uninitialized member (`scale_`) because initialization order follows declaration order, not initializer list order. I will reorder the member declarations to match the required initialization order (`scale_`, then `x_`, then `y_`). INFO 2026-02-04T16:36:49 +5ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:49 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:49 +21ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:49 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:49 +0ms service=session.prompt step=14 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:49 +39ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:49 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:49 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:49 +8ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:49 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:49 +0ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:49 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:49 +0ms service=tool.registry status=started 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ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:49 +0ms service=permission permission=task 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type=message.part.updated publishing INFO 2026-02-04T16:36:50 +0ms service=permission permission=read pattern=/app/input/off_by_one.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:50 +0ms service=permission permission=read pattern=/app/input/off_by_one.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:50 +5ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:50 +27ms service=bus type=message.part.updated publishing Next file: **`off_by_one.cpp`**. Description suggests "Matrix border detection" issue related to "off-by-one." This typically means loop bounds are incorrect (e.g., using `< N` instead of `<= N-1` or vice versa). ### 7. `off_by_one.cpp` Read the file. INFO 2026-02-04T16:36:50 +15ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-02-04T16:36:50 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/off_by_one.cpp read INFO 2026-02-04T16:36:50 +1ms service=bus type=message.part.updated publishing |  Read app/input/off_by_one.cpp INFO 2026-02-04T16:36:50 +13ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:50 +0ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:50 +16ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:50 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:50 +0ms service=session.prompt step=15 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:50 +86ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:50 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:50 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:50 +3ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:50 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:50 +1ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:50 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:50 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=2 invalid INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:50 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:50 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:50 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:50 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:50 +2ms service=session.prompt status=completed duration=5 resolveTools INFO 2026-02-04T16:36:50 +2ms service=session.processor process INFO 2026-02-04T16:36:50 +1ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:50 +10ms service=bus type=session.status publishing INFO 2026-02-04T16:36:51 +567ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +32ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +31ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +138ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +92ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +138ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +228ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +133ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:51 +8ms service=permission permission=edit pattern=app/input/off_by_one.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:51 +1ms service=permission permission=edit pattern=app/input/off_by_one.cpp action={"permission":"*","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:51 +0ms service=bus type=file.edited publishing INFO 2026-02-04T16:36:51 +0ms service=format file=/app/input/off_by_one.cpp formatting INFO 2026-02-04T16:36:51 +0ms service=format name=zig ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=uv ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=terraform ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=standardrb ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=shfmt ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=rustfmt ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=ruff ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=rubocop ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=air ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=prettier ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:51 +1ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:51 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:51 +5ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/off_by_one.cpp read INFO 2026-02-04T16:36:51 +0ms service=lsp file=/app/input/off_by_one.cpp touching file INFO 2026-02-04T16:36:51 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +10ms service=bus type=message.part.updated publishing The bug is on line 17: `for (int i = 0; i <= 5; i++)`. Since the matrix size is 5x5 (indices 0 to 4), accessing `data_[0][5]` leads to reading out of bounds, which is undefined behavior (and would likely be caught by UBSan). Fix: Change `<= 5` to `< 5` on line 17.For **`off_by_one.cpp`**, the bug is an off-by-one error causing out-of-bounds access in `printTopRow` (line 17) by iterating up to and including index 5 for a 5-element array (indices 0-4). I will change the loop condition from `<= 5` to `< 5`. INFO 2026-02-04T16:36:52 +36ms service=bus type=message.part.updated publishing |  Edit app/input/off_by_one.cpp INFO 2026-02-04T16:36:52 +3ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +7ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:52 +18ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:52 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:52 +0ms service=session.prompt step=16 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:52 +166ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:52 +4ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:52 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:52 +6ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:52 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:52 +2ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:52 +1ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started read INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:52 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:52 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:52 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:52 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:52 +6ms service=session.prompt status=completed duration=10 resolveTools INFO 2026-02-04T16:36:52 +4ms service=session.processor process INFO 2026-02-04T16:36:52 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:52 +10ms service=bus type=session.status publishing INFO 2026-02-04T16:36:52 +443ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +27ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +71ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +111ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +70ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:52 +1ms service=permission permission=read pattern=/app/input/int_overflow.cpp ruleset=[{"permission":"*","pattern":"*","action":"allow"},{"permission":"doom_loop","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","pattern":"*","action":"deny"},{"permission":"plan_enter","pattern":"*","action":"deny"},{"permission":"plan_exit","pattern":"*","action":"deny"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","pattern":"*","action":"allow"},{"permission":"plan_enter","pattern":"*","action":"allow"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:53 +7ms service=permission permission=read pattern=/app/input/int_overflow.cpp action={"permission":"read","pattern":"*","action":"allow"} evaluated INFO 2026-02-04T16:36:53 +10ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:53 +17ms service=bus type=message.part.updated publishing Next file: **`int_overflow.cpp`**. Description suggests a "Bulk price calculator" issue related to "integer overflow." This usually means intermediate calculations exceed the capacity of the integer type used. ### 8. `int_overflow.cpp` Read the file. INFO 2026-02-04T16:36:53 +3ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-02-04T16:36:53 +0ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/int_overflow.cpp read INFO 2026-02-04T16:36:53 +7ms service=bus type=message.part.updated publishing |  Read app/input/int_overflow.cpp INFO 2026-02-04T16:36:53 +4ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:53 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:53 +36ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:53 +4ms service=bus type=session.status publishing INFO 2026-02-04T16:36:53 +0ms service=session.prompt step=17 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:53 +169ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:53 +4ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:53 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:53 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:53 +1ms service=tool.registry status=completed duration=1 skill INFO 2026-02-04T16:36:53 +0ms service=permission permission=task pattern=general ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:53 +0ms service=permission permission=task pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:53 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:53 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-02-04T16:36:53 +13ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:53 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:53 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:53 +19ms service=session.processor process INFO 2026-02-04T16:36:53 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:53 +4ms service=bus type=session.status publishing INFO 2026-02-04T16:36:53 +469ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:53 +0ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:53 +53ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:53 +50ms service=bus type=message.part.updated 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checking INFO 2026-02-04T16:36:54 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:54 +1ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:54 +1ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:54 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:54 +2ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/int_overflow.cpp read INFO 2026-02-04T16:36:54 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-02-04T16:36:54 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:54 +5ms service=bus type=message.part.updated publishing The bug is on line 8: `return pricePerUnit * quantity;`. If the inputs are large (as suggested by line 24), the multiplication of two standard 32-bit `int`s can easily exceed $2.1 \times 10^9$, causing signed integer overflow, which is Undefined Behavior (and would fail UBSan). Fix: Promote the calculation to a wider type, like `long long`, before returning, and change the return type of `calculateTotal` and the storage type in `printOrder`. Change line 7: `int calculateTotal(...)` -> `long long calculateTotal(...)` Change line 8: `return pricePerUnit * quantity;` -> `return static_cast(pricePerUnit) * quantity;` (The cast ensures the multiplication happens in 64-bit space). Change line 12: `int total = calculateTotal(price, qty);` -> `long long total = calculateTotal(price, qty);` Fix 1: Change return type of `calculateTotal`. INFO 2026-02-04T16:36:54 +3ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-02-04T16:36:54 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:54 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:54 +2ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:54 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:54 +1ms service=session.prompt step=18 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:54 +50ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:54 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:54 +0ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:54 +15ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:54 +0ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:54 +1ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:54 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status=completed duration=2 invalid INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 question INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 read INFO 2026-02-04T16:36:54 +1ms service=tool.registry status=completed duration=3 glob INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=3 grep INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=3 edit INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=3 write INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 webfetch INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 todowrite INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 todoread INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=3 bash INFO 2026-02-04T16:36:54 +0ms service=tool.registry status=completed duration=2 skill INFO 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status=completed duration=3 task INFO 2026-02-04T16:36:54 +5ms service=session.prompt status=completed duration=10 resolveTools INFO 2026-02-04T16:36:54 +19ms service=session.processor process INFO 2026-02-04T16:36:54 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:54 +16ms service=bus type=session.status publishing INFO 2026-02-04T16:36:55 +447ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +49ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +166ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +9ms service=permission permission=edit pattern=app/input/int_overflow.cpp 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checking INFO 2026-02-04T16:36:55 +1ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:55 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:55 +4ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/int_overflow.cpp read INFO 2026-02-04T16:36:55 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-02-04T16:36:55 +2ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:55 +3ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-02-04T16:36:55 +16ms service=bus type=message.part.updated publishing Fix 2: Perform calculation using `long long`. 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checking INFO 2026-02-04T16:36:56 +0ms service=format name=pint ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=oxfmt ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=ormolu ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=ocamlformat ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=nixfmt ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=mix ext=.cpp checking INFO 2026-02-04T16:36:56 +1ms service=format name=latexindent ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=ktlint ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=htmlbeautifier ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=gofmt ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=gleam ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=dart ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=clang-format ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=format name=biome ext=.cpp checking INFO 2026-02-04T16:36:56 +0ms service=bus type=file.watcher.updated publishing INFO 2026-02-04T16:36:56 +1ms service=file.time sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad file=/app/input/int_overflow.cpp read INFO 2026-02-04T16:36:56 +0ms service=lsp file=/app/input/int_overflow.cpp touching file INFO 2026-02-04T16:36:56 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:56 +5ms service=bus type=message.part.updated publishing |  Edit app/input/int_overflow.cpp INFO 2026-02-04T16:36:56 +17ms service=bus type=message.part.updated publishing Fix 3: Update `total` type in `printOrder`. INFO 2026-02-04T16:36:56 +5ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:56 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:56 +13ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:56 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:56 +0ms service=session.prompt step=20 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:56 +56ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:56 +3ms service=session.prompt status=started resolveTools INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started invalid INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started question INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started bash INFO 2026-02-04T16:36:56 +0ms service=bash-tool shell=/usr/bin/bash bash tool using shell INFO 2026-02-04T16:36:56 +1ms service=tool.registry status=started read INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started glob INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started grep INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started edit INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started write INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started task INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started webfetch INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started todowrite INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started todoread INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=started skill INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=1 invalid INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=1 question INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 read INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 glob INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 grep INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 edit INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 write INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 webfetch INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 todowrite INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 todoread INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=1 bash INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=0 skill INFO 2026-02-04T16:36:56 +1ms service=permission permission=task pattern=general 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pattern=explore ruleset=[{"permission":"*","action":"allow","pattern":"*"},{"permission":"doom_loop","action":"ask","pattern":"*"},{"permission":"external_directory","pattern":"*","action":"ask"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"},{"permission":"question","action":"deny","pattern":"*"},{"permission":"plan_enter","action":"deny","pattern":"*"},{"permission":"plan_exit","action":"deny","pattern":"*"},{"permission":"read","pattern":"*","action":"allow"},{"permission":"read","pattern":"*.env","action":"ask"},{"permission":"read","pattern":"*.env.*","action":"ask"},{"permission":"read","pattern":"*.env.example","action":"allow"},{"permission":"question","action":"allow","pattern":"*"},{"permission":"plan_enter","action":"allow","pattern":"*"},{"permission":"external_directory","pattern":"/home/cubbi/.local/share/opencode/tool-output/*","action":"allow"}] evaluate INFO 2026-02-04T16:36:56 +0ms service=tool.registry status=completed duration=1 task INFO 2026-02-04T16:36:56 +1ms service=session.prompt status=completed duration=3 resolveTools INFO 2026-02-04T16:36:56 +7ms service=session.processor process INFO 2026-02-04T16:36:56 +0ms service=llm providerID=openrouter modelID=google/gemini-2.5-flash-lite-preview-09-2025 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad small=false agent=build mode=primary stream INFO 2026-02-04T16:36:56 +15ms service=bus type=session.status publishing INFO 2026-02-04T16:36:56 +17ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:56 +1ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:56 +1ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:57 +418ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +69ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +58ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +80ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +28ms service=bus type=message.part.updated publishing All eight files have been addressed based on their descriptions. The fixes target common C++ pitfalls: missing virtual destructor, reference to temporary, iterator invalidation, unsigned underflow, dangling pointer/c-string, initialization order, off-by-one, and signed integer overflow. I have completed all required modifications in place. INFO 2026-02-04T16:36:57 +1ms service=bus type=message.part.updated publishing INFO 2026-02-04T16:36:57 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:57 +1ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:57 +1ms service=bus type=session.status publishing INFO 2026-02-04T16:36:57 +0ms service=session.prompt step=21 sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad loop INFO 2026-02-04T16:36:57 +101ms service=bus type=message.updated publishing INFO 2026-02-04T16:36:57 +9ms service=bus type=session.updated publishing INFO 2026-02-04T16:36:57 +5ms service=bus type=session.diff publishing INFO 2026-02-04T16:36:57 +18ms service=session.prompt sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad exiting loop INFO 2026-02-04T16:36:57 +3ms service=session.compaction pruning INFO 2026-02-04T16:36:57 +14ms service=session.prompt sessionID=ses_3d67d0c52ffee24MzzDdn5Q4ad cancel INFO 2026-02-04T16:36:57 +0ms service=bus type=session.status publishing INFO 2026-02-04T16:36:57 +0ms service=bus type=session.idle publishing INFO 2026-02-04T16:36:57 +2ms service=default directory=/app/input disposing instance INFO 2026-02-04T16:36:57 +8ms service=state key=/app/input waiting for state disposal to complete INFO 2026-02-04T16:36:57 +1ms service=state key=/app/input state disposal completed --- Initial command finished (exit code: 0) --- --- no_shell=true, exiting container without starting shell --- Command execution complete. Container has exited. Session has been cleaned up.