panic(main thread): Segmentation fault at address 0x1269432E492

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

PS C:\Users\Heds> claude --version
2.1.177 (Claude Code)
============================================================
Bun v1.3.14 (2a41ca97) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2
Args: "C:\Program Files\nodejs\node_global\node_modules\@anthropic-ai\claude-code\bin\claude.exe" "--version"
Features: jsc standalone_executable exited claude_code
Builtins: "bun:main"
Elapsed: 173ms | User: 78ms | Sys: 156ms
RSS: 0.21GB | Peak: 0.21GB | Commit: 0.26GB | Faults: 74211 | Machine: 33.66GB

panic(main thread): Segmentation fault at address 0x1269432E492
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/1.3.14/e_12a41ca9kggwgEggggCCYcpbgrd64.dllujvPCcKERNELBASE.dllq95KCcKERNELBASE.dllyz7eCcKERNELBASE.dllg8nfCcKERNELBASE.dlls5mfCcKERNELBASE.dll803eCcKERNELBASE.dll0vmfCcKERNELBASE.dllqkgfCcKERNELBASE.dllghhmCCcKERNELBASE.dll456hCCcKERNELBASE.dll0tisCCcKERNELBASE.dllm3gmCCcKERNELBASE.dll+glBCcKERNELBASE.dll62pBCSntdll.dll01u3CCSntdll.dllml9GCSntdll.dll+9liBCSntdll.dll81+hBCYKERNEL32.DLL2/rQkh83GA2sS92t05rD

What Should Happen?

<img width="1907" height="475" alt="Image" src="https://github.com/user-attachments/assets/7be92779-ada7-4fb8-bb47-471b39e675ef" />

Error Messages/Logs

Steps to Reproduce

PS C:\Users\Heds> claude --version
2.1.177 (Claude Code)
============================================================
Bun v1.3.14 (2a41ca97) Windows x64 (baseline)
Windows v.win11_dt
CPU: sse42 avx avx2
Args: "C:\Program Files\nodejs\node_global\node_modules\@anthropic-ai\claude-code\bin\claude.exe" "--version"
Features: jsc standalone_executable exited claude_code
Builtins: "bun:main"
Elapsed: 173ms | User: 78ms | Sys: 156ms
RSS: 0.21GB | Peak: 0.21GB | Commit: 0.26GB | Faults: 74211 | Machine: 33.66GB

panic(main thread): Segmentation fault at address 0x1269432E492
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/1.3.14/e_12a41ca9kggwgEggggCCYcpbgrd64.dllujvPCcKERNELBASE.dllq95KCcKERNELBASE.dllyz7eCcKERNELBASE.dllg8nfCcKERNELBASE.dlls5mfCcKERNELBASE.dll803eCcKERNELBASE.dll0vmfCcKERNELBASE.dllqkgfCcKERNELBASE.dllghhmCCcKERNELBASE.dll456hCCcKERNELBASE.dll0tisCCcKERNELBASE.dllm3gmCCcKERNELBASE.dll+glBCcKERNELBASE.dll62pBCSntdll.dll01u3CCSntdll.dllml9GCSntdll.dll+9liBCSntdll.dll81+hBCYKERNEL32.DLL2/rQkh83GA2sS92t05rD

PS C:\Users\Heds>

Claude Model

None

Is this a regression?

No, this never worked

Last Working Version

_No response_

Claude Code Version

2.1.177

Platform

Anthropic API

Operating System

Windows

Terminal/Shell

PowerShell

Additional Information

_No response_