Crash: Segmentation fault in Bun WASM trampolining (Bun 1.3.5)
Status Closed — not planned
Maintainer reply None cached
Activity 2 comments · opened Jan 13, 2026 · closed Feb 26, 2026
Bug Report
Claude Code crashed with a segmentation fault.
Crash Report
- Bun Report Link: https://bun.report/1.3.5/B_11e86cebmgEugogCk0iruE+syPmxv3/Dmxv3/Dmxv3/Dmxv3/Dmxv3/Dmxv3/Dmxv3/Dmxv3/D____y9us/D_____A2+//BqyshqmC
- Error Type: Segmentation fault at address 0x7FFE46505925
- Bun Version: 1.3.5 (commit 1e86ceb)
- OS: Linux x86_64
Stack Trace Summary
The crash occurs in WebAssembly trampolining code with repeated calls to wasm_trampoline_wasm_ipint_call_wide32, suggesting either stack overflow or memory corruption in WebAssembly execution.
Environment
- Platform: Linux
- Bun: 1.3.5
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