bun.sh

mirror of https://github.com/oven-sh/bun synced 2026-02-02 15:08:46 +00:00

Files

Dylan Conway adc1a6b05c Fix aarch64 SIGILL: disable mimalloc LSE atomics + update WebKit + QEMU verification (#26586 )

Fixes illegal instruction (SIGILL) crashes on ARMv8.0 aarch64 CPUs
(Cortex-A53, Raspberry Pi 4, AWS a1 instances).

## Root cause

Upstream mimalloc force-enables `MI_OPT_ARCH` on arm64, which adds
`-march=armv8.1-a` and emits LSE atomic instructions (`casa`, `swpa`,
`ldaddl`). These are not available on ARMv8.0 CPUs.

## Fix

- Pass `MI_NO_OPT_ARCH=ON` to mimalloc on aarch64 (has priority over
`MI_OPT_ARCH` in mimalloc's CMake)
- Update WebKit to autobuild-596e48e22e3a1090e5b802744a7938088b1ea860
which explicitly passes `-march` flags to the WebKit build

## Verification

Includes QEMU-based baseline CPU verification CI steps (#26571) that
catch these regressions automatically.

2026-01-29 17:18:57 -08:00

BuildBoringSSL.cmake

chore(deps): update BoringSSL fork to latest upstream (#26212 )

2026-01-17 23:39:04 -08:00

BuildBrotli.cmake

Various fixes for CMake (#13928 )

2024-09-12 18:08:59 -07:00

BuildBun.cmake

Update WebKit (#26381 )

2026-01-25 10:38:13 -08:00

BuildCares.cmake

deps: update c-ares to v1.34.6 (#25509 )