[Bug] Segmentation fault during Claude Code execution on macOS Silicon

Resolved 💬 4 comments Opened Dec 31, 2025 by wolfiesch Closed Feb 15, 2026

Bug Description
============================================================
Bun v1.3.5 (1e86cebd) macOS Silicon
macOS v26.2
CPU: fp aes crc32 atomics
Args: "claude" "--dangerously-skip-permissions"
Features: Bun.stderr(2) Bun.stdin(2) Bun.stdout(2) abort_signal(4) fetch(380) jsc spawn(98) standalone_executable process_dlopen(2)
Builtins: "bun:main" "node:assert" "node:async_hooks" "node:buffer" "node:child_process" "node:constants" "node:crypto" "node:dns" "node:domain" "node:events" "node:fs" "node:fs/promises" "node:http" "node:https" "node:module" "node:net" "node:os" "node:path" "node:path/win32" "node:perf_hooks" "node:process" "node:querystring" "node:stream" "node:timers/promises" "node:tls" "node:tty" "node:url" "node:util" "node:zlib" "node:worker_threads" "undici" "ws" "node-fetch" "node:inspector" "node:http2" "node:diagnostics_channel"
Elapsed: 112248ms | User: 14618ms | Sys: 4768ms
RSS: 0.23GB | Peak: 0.39GB | Commit: 0.53GB | Faults: 1989 | Machine: 25.77GB

panic(main thread): Segmentation fault at address 0x1F4
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

To send a redacted crash report to Bun's team,
please file a GitHub issue using the link below:

https://bun.report/1.3.5/M_11e86cebmgEuhogC_282pgC+/kogC2wkogC2pjogC+l2w4B______________A2Aof

Environment Info

  • Platform: darwin
  • Terminal: WarpTerminal
  • Version: 2.0.76
  • Feedback ID:

Errors

[{"error":"Error\n    at ak (/$bunfs/root/claude:59:1144)\n    at <anonymous> (/$bunfs/root/claude:60:10093)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:62:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-31T19:45:44.881Z"},{"error":"Error\n    at ak (/$bunfs/root/claude:59:1144)\n    at <anonymous> (/$bunfs/root/claude:60:10093)\n    at emit (node:events:92:22)\n    at endReadableNT (internal:streams/readable:861:50)\n    at processTicksAndRejections (native:7:39)\n    at request (/$bunfs/root/claude:62:2149)\n    at processTicksAndRejections (native:7:39)","timestamp":"2025-12-31T19:45:57.100Z"}]

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