[PATCH] D62929: [GWP-ASan] Integration with Scudo [5].

[Mitch Phillips via Phabricator via llvm-commits]

hctim created this revision.
hctim added reviewers: vlad.tsyrklevich, cryptoad.
Herald added subscribers: llvm-commits, Sanitizers, mgorny, kubamracek.
Herald added projects: Sanitizers, LLVM.

See D60593 <https://reviews.llvm.org/D60593> for further information.

This patch adds GWP-ASan support to the Scudo hardened allocator. It also
implements end-to-end integration tests using Scudo as the backing allocator.
The tests include crash handling for buffer over/underflow as well as
use-after-free detection.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D62929

Files:
  compiler-rt/lib/scudo/CMakeLists.txt
  compiler-rt/lib/scudo/scudo_allocator.cpp
  compiler-rt/test/gwp_asan/CMakeLists.txt
  compiler-rt/test/gwp_asan/double_delete.cpp
  compiler-rt/test/gwp_asan/double_deletea.cpp
  compiler-rt/test/gwp_asan/double_free.cpp
  compiler-rt/test/gwp_asan/heap_buffer_overflow.cpp
  compiler-rt/test/gwp_asan/heap_buffer_underflow.cpp
  compiler-rt/test/gwp_asan/invalid_free_left.cpp
  compiler-rt/test/gwp_asan/invalid_free_right.cpp
  compiler-rt/test/gwp_asan/lit.cfg
  compiler-rt/test/gwp_asan/page_size.h
  compiler-rt/test/gwp_asan/repeated_alloc.cpp
  compiler-rt/test/gwp_asan/use_after_delete.cpp
  compiler-rt/test/gwp_asan/use_after_deletea.cpp
  compiler-rt/test/gwp_asan/use_after_free.cpp
  compiler-rt/test/lit.common.cfg
  compiler-rt/test/lit.common.configured.in
  compiler-rt/test/scudo/lit.cfg

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