[all-commits] [llvm/llvm-project] 4278b7: [sanitizers] Fixes strndup API behaviour when inte...

[goussepi via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4278b7e16a5b13d529c92d682ac76b53f93a4961
      https://github.com/llvm/llvm-project/commit/4278b7e16a5b13d529c92d682ac76b53f93a4961
  Author: Pierre Gousseau <pierre.gousseau at sony.com>
  Date:   2022-05-30 (Mon, 30 May 2022)

  Changed paths:
    M compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
    M compiler-rt/test/sanitizer_common/TestCases/max_allocation_size.cpp

  Log Message:
  -----------
  [sanitizers] Fixes strndup API behaviour when intercepted by sanitizers

Sanitizers ignore flag allocator_may_return_null=1 in strndup() calls.
When OOM is emulated, this causes to the unexpected crash.

Committed by pgousseau on behalf of "Kostyantyn Melnik, kmnls.kmnls at gmail.com"

Reviewed by: pgousseau

Differential Revision: https://reviews.llvm.org/D126452