[PATCH] D30101: [asan] Implement "scribble" flag, which overwrites free'd memory with 0x55

[Kuba (Brecka) Mracek via Phabricator via llvm-commits]

kubamracek updated this revision to Diff 93170.
kubamracek added a comment.

Updating patch.  This now uses the max_malloc_fill_size/max_free_fill_size and malloc_fill_byte/free_fill_byte flag names.  We're also turning this on with the same env vars as Malloc Scribble on macOS does (https://developer.apple.com/library/content/documentation/Performance/Conceptual/ManagingMemory/Articles/MallocDebug.html).


https://reviews.llvm.org/D30101

Files:
  lib/asan/asan_allocator.cc
  lib/asan/asan_flags.cc
  lib/asan/asan_flags.inc
  test/asan/TestCases/scribble.cc

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