[all-commits] [llvm/llvm-project] c93e4b: [asan] Reset stack bounds of context

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c93e4b6b2c497aecda82029d6f161bd81da26dab
      https://github.com/llvm/llvm-project/commit/c93e4b6b2c497aecda82029d6f161bd81da26dab
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2022-07-22 (Fri, 22 Jul 2022)

  Changed paths:
    M compiler-rt/lib/asan/asan_interceptors.cpp
    M compiler-rt/lib/asan/asan_internal.h
    M compiler-rt/lib/asan/asan_linux.cpp
    M compiler-rt/lib/asan/asan_mac.cpp
    M compiler-rt/lib/asan/asan_win.cpp
    M compiler-rt/test/asan/TestCases/Linux/swapcontext_test.cpp

  Log Message:
  -----------
  [asan] Reset stack bounds of context

ClearShadowMemoryForContextStack assumes that context contains the stack
bounds. This is not true for a context from getcontext or oucp of
swapcontext.

Reviewed By: kstoimenov

Differential Revision: https://reviews.llvm.org/D130218