[llvm] r302076 - [libFuzzer] exit without running atexit handlers in libfuzzer's crash handler

[Vitaly Buka via llvm-commits]

Author: vitalybuka
Date: Wed May  3 15:31:19 2017
New Revision: 302076

URL: http://llvm.org/viewvc/llvm-project?rev=302076&view=rev
Log:
[libFuzzer] exit without running atexit handlers in libfuzzer's crash handler

Summary:
It's not safe to assume that atexit handlers can be run once the app crashed.

Patch by Jochen Eisinger.

Reviewers: kcc, vitalybuka

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D32640

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp

Modified: llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp?rev=302076&r1=302075&r2=302076&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp Wed May  3 15:31:19 2017
@@ -199,7 +199,7 @@ void Fuzzer::CrashCallback() {
   Printf("SUMMARY: libFuzzer: deadly signal\n");
   DumpCurrentUnit("crash-");
   PrintFinalStats();
-  exit(Options.ErrorExitCode);
+  _Exit(Options.ErrorExitCode);  // Stop right now.
 }
 
 void Fuzzer::InterruptCallback() {