1 files changed, 10 insertions, 6 deletions
diff --git a/llvm/lib/Fuzzer/test/DSOTestMain.cpp b/llvm/lib/Fuzzer/test/DSOTestMain.cpp
index 49cd185e97d..3e225d88612 100644
--- a/llvm/lib/Fuzzer/test/DSOTestMain.cpp
+++ b/llvm/lib/Fuzzer/test/DSOTestMain.cpp
@@ -11,17 +11,21 @@ extern int DSO1(int a);
 extern int DSO2(int a);
 extern int DSOTestExtra(int a);
 
+static volatile int *nil = 0;
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
-  if (Size < sizeof(int) * 3) return 0;
   int x, y, z;
-  memcpy(&x, Data + 0 * sizeof(int), sizeof(int));
-  memcpy(&y, Data + 1 * sizeof(int), sizeof(int));
-  memcpy(&z, Data + 2 * sizeof(int), sizeof(int));
-  int sum = DSO1(x) + DSO2(y) + DSOTestExtra(z);
+  if (Size < sizeof(int) * 3) {
+    x = y = z = 0;
+  } else {
+    memcpy(&x, Data + 0 * sizeof(int), sizeof(int));
+    memcpy(&y, Data + 1 * sizeof(int), sizeof(int));
+    memcpy(&z, Data + 2 * sizeof(int), sizeof(int));
+  }
+  int sum = DSO1(x) + DSO2(y) + (z ? DSOTestExtra(z) : 0);
   if (sum == 3) {
     fprintf(stderr, "BINGO %d %d %d\n", x, y, z);
-    exit(1);
+    *nil = 0;
   }
   return 0;
 }