[all-commits] [llvm/llvm-project] 2eda2e: [HWASAN] Prevent crashes on thread exit

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2eda2e013830537800b68c9217fc14ea7704e618
      https://github.com/llvm/llvm-project/commit/2eda2e013830537800b68c9217fc14ea7704e618
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2023-05-11 (Thu, 11 May 2023)

  Changed paths:
    M compiler-rt/lib/hwasan/hwasan_linux.cpp

  Log Message:
  -----------
  [HWASAN] Prevent crashes on thread exit

I can't figure out how to reproduce this for test, but I see the case on
random binaries.

The known issue is with GLIBC, others may have a workaround, e.g. Bionic,
https://cs.android.com/android/platform/superproject/+/master:bionic/libc/bionic/pthread_exit.cpp;l=149
see signals blocked above.

Reviewed By: eugenis

Differential Revision: https://reviews.llvm.org/D150401