[Bug] Trace trap crash during project scan with large file directories
Resolved 💬 4 comments Opened Jan 16, 2026 by jongwony Closed Jan 16, 2026
Bug Description
Environment
- OS: macOS (Darwin 25.2.0, Apple Silicon arm64)
- Claude Code Version: 2.1.9
- Installation Method: Homebrew Cask
- BUT
npx @anthropic-ai/claude-codeworks!
Symptoms
- Running claude in a specific directory causes [1] 7975 trace trap claude error
- Exit code 133 (SIGTRAP)
- Crashes immediately with no log output, even with --debug flag
Root Cause
- Claude Code crashes during project scanning at startup while processing large number of files
Environment Info
- Platform: darwin
- Terminal: ghostty
- Version: 2.1.9
- Feedback ID: 2caa7957-2a9f-4ae5-8790-8da7ae9ecc69
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