[all-commits] [llvm/llvm-project] d3531f: [sanitizer] Don't run malloc hooks for stacktraces

[Vitaly Buka via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d3531fc7f0053a7fe68317521ee6491da6e36733
      https://github.com/llvm/llvm-project/commit/d3531fc7f0053a7fe68317521ee6491da6e36733
  Author: Vitaly Buka <vitalybuka at google.com>
  Date:   2022-04-13 (Wed, 13 Apr 2022)

  Changed paths:
    M compiler-rt/lib/msan/msan_allocator.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_common.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_common.h
    M compiler-rt/lib/sanitizer_common/sanitizer_fuchsia.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_linux_libcdep.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_mac.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_symbolizer.h
    M compiler-rt/lib/sanitizer_common/sanitizer_symbolizer_markup.cpp
    M compiler-rt/lib/sanitizer_common/sanitizer_unwind_linux_libcdep.cpp
    A compiler-rt/test/sanitizer_common/TestCases/malloc_hook_skip.cpp

  Log Message:
  -----------
  [sanitizer] Don't run malloc hooks for stacktraces

Usually when we generated stacktraces the process is in error state, so
running hooks may crash the process and prevent meaningfull error report.

Symbolizer, unwinder and pthread are potential source of mallocs.

https://b.corp.google.com/issues/228110771

Reviewed By: kda

Differential Revision: https://reviews.llvm.org/D123566