[PATCH] D50655: [scudo] Fix race condition in deallocation path when Quarantine is bypassed

[Kostya Kortchinsky via Phabricator via llvm-commits]

cryptoad updated this revision to Diff 160443.
cryptoad added a comment.

Account for 0 size, which is more common than one would expect.


Repository:
  rCRT Compiler Runtime

https://reviews.llvm.org/D50655

Files:
  lib/scudo/scudo_allocator.cpp
  test/scudo/dealloc-race.c

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