[llvm] r288389 - [libFuzzer] treat -rss_limit_mb=0 as no limit

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Thu Dec  1 11:56:15 2016
New Revision: 288389

URL: http://llvm.org/viewvc/llvm-project?rev=288389&view=rev
Log:
[libFuzzer] treat -rss_limit_mb=0 as no limit

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=288389&r1=288388&r2=288389&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerLoop.cpp Thu Dec  1 11:56:15 2016
@@ -158,7 +158,7 @@ void FreeHook(const volatile void *ptr)
 
 // Crash on a single malloc that exceeds the rss limit.
 void Fuzzer::HandleMalloc(size_t Size) {
-  if ((Size >> 20) < (size_t)Options.RssLimitMb)
+  if (!Options.RssLimitMb || (Size >> 20) < (size_t)Options.RssLimitMb)
     return;
   Printf("==%d== ERROR: libFuzzer: out-of-memory (malloc(%zd))\n", GetPid(),
          Size);