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Bug 1657857 - Call native abort in UBSan builds. r=froydnj

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Differential Revision: https://phabricator.services.mozilla.com/D86334
This commit is contained in:
Christian Holler 2020-08-07 18:22:03 +00:00
parent cbcdeefeb3
commit d157c468a9
1 changed files with 5 additions and 1 deletions
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6
memory/mozalloc/mozalloc_abort.cpp
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@ -55,7 +55,8 @@ void fillAbortMessage(char (&msg)[N], uintptr_t retAddress) {
}
#endif
#if defined(XP_UNIX) && !defined(MOZ_ASAN) && !defined(MOZ_TSAN)
#if defined(XP_UNIX) && !defined(MOZ_ASAN) && !defined(MOZ_TSAN) && \
!defined(LIBFUZZER)
// Define abort() here, so that it is used instead of the system abort(). This
// lets us control the behavior when aborting, in order to get better results
// on *NIX platforms. See mozalloc_abort for details.
@ -71,6 +72,9 @@ void fillAbortMessage(char (&msg)[N], uintptr_t retAddress) {
//
// The same applies to ThreadSanitizer when run with "halt_on_error=1" in
// combination with "abort_on_error=1".
//
// When building with libFuzzer, it pulls in the UndefinedBehaviorSanitizer
// runtime which also requires the same workaround as with ASan or TSan.
extern "C" void abort(void) {
# ifdef MOZ_WIDGET_ANDROID
char msg[64] = {};