[PATCH] D33325: [sanitizer] Avoid possible deadlock in child process after fork

[Maxim Ostapenko via Phabricator via llvm-commits]

m.ostapenko updated this revision to Diff 99781.
m.ostapenko retitled this revision from "[asan] Avoid possible deadlock in child process after fork" to "[sanitizer] Avoid possible deadlock in child process after fork".
m.ostapenko added a comment.

Updating. Lock allocator on fork for {A, M, T}San and moving testcase to sanitizer_common. I've also managed to reproduce the deadlock with MSan, but still not with TSan.


Repository:
  rL LLVM

https://reviews.llvm.org/D33325

Files:
  lib/asan/asan_allocator.cc
  lib/asan/asan_allocator.h
  lib/asan/asan_interceptors.cc
  lib/msan/msan_allocator.cc
  lib/msan/msan_allocator.h
  lib/msan/msan_interceptors.cc
  lib/tsan/rtl/tsan_rtl.cc
  test/sanitizer_common/TestCases/Linux/allocator_fork_no_hang.cc

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