Fatal error during long run: panic(main thread): Illegal instruction at address 0x55FF53D18D88

[DanielKucal]

How can we reproduce the crash?

Proxy app utilizing Bun's HTTP server running for a few months on a server experienced panic error and crashed

Relevant log output

warn: Could not decode sourcemap in '/usr/src/app/main.js': InvalidOriginalLineValue
============================================================
Bun v1.1.17 (bb66bba1) Linux x64 (baseline)
Linux Kernel v5.15.143 | glibc v2.31
Args: "bun" "run" "main.js"
Features: jsc Bun.stdin(2) dotenv fetch(74) http_server
Builtins: "bun:main" "node:buffer" "node:child_process" "node:crypto" "node:fs" "node:fs/promises" "node:http" "node:https" "node:os" "node:path" "node:process" "node:stream" "node:string_decoder" "node:url" "node:util" "node:util/types"
Elapsed: 1879699656ms | User: 153356ms | Sys: 107905ms
RSS: 1.05GB | Peak: 0.16GB | Commit: 1.05GB | Faults: 1097

panic(main thread): Illegal instruction at address 0x55FF53D18D88
oh no: Bun has crashed. This indicates a bug in Bun, not your code.

Stack Trace (bun.report)

Bun v1.1.17 (bb66bba) on linux x86_64_baseline [RunCommand]

Illegal instruction at address 0x55FF53D18D88

• ??
• ld-temp.o:0: bmalloc_heap_config_specialized_local_allocator_try_allocate_small_segregated_slow
• ld-temp.o:0: bmalloc_allocate_impl_casual_case(...)
• ld-temp.o:0: JSC::Heap::runBeginPhase
• ld-temp.o:0: JSC::Heap::runCurrentPhase
• ld-temp.o:0: JSC::Heap::collectInMutatorThread
• ld-temp.o:0: JSC::Heap::collectIfNecessaryOrDefer
• ld-temp.o:0: JSC::LocalAllocator::allocateSlowCase
• LocalAllocatorInlines.h:41: JSC::JSRopeString::create

[github-actions]

@DanielKucal, thank you for reporting this crash. The latest version of Bun is v1.1.41, but this crash was reported on Bun v1.1.17.

Are you able to reproduce this crash on the latest version of Bun?

bun upgrade

For Bun's internal tracking, this issue is BUN-AKY.