From 8c598528c3e3ed29f594d3c4e71ad9afeae0f9fb Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Sat, 28 May 2016 04:19:46 +0000
Subject: [PATCH] [libFuzzer] fix a failure that occurs when running individual
 inputs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271095 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Fuzzer/FuzzerLoop.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Fuzzer/FuzzerLoop.cpp b/lib/Fuzzer/FuzzerLoop.cpp
index 6f10c6390f3..fb75a9bb223 100644
--- a/lib/Fuzzer/FuzzerLoop.cpp
+++ b/lib/Fuzzer/FuzzerLoop.cpp
@@ -175,6 +175,7 @@ void Fuzzer::StaticDeathCallback() {
 }
 
 void Fuzzer::DumpCurrentUnit(const char *Prefix) {
+  if (!CurrentUnitData) return;  // Happens when running individual inputs.
   size_t UnitSize = CurrentUnitSize;
   if (UnitSize <= kMaxUnitSizeToPrint) {
     PrintHexArray(CurrentUnitData, UnitSize, "\n");