support LLVMFuzzerTestOneInput -1 return

1 files changed, 8 insertions, 5 deletions

diff --git a/utils/aflpp_driver/aflpp_driver_test.c b/utils/aflpp_driver/aflpp_driver_test.c
index 527ba57b..7cffa4a1 100644
--- a/utils/aflpp_driver/aflpp_driver_test.c
+++ b/utils/aflpp_driver/aflpp_driver_test.c
@@ -2,9 +2,9 @@
 #include <stdlib.h>
 #include <stdint.h>
 
-void __attribute__((noinline)) crashme(const uint8_t *Data, size_t Size) {
+int __attribute__((noinline)) crashme(const uint8_t *Data, size_t Size) {
 
-  if (Size < 5) return;
+  if (Size < 5) return -1;
 
   if (Data[0] == 'F')
     if (Data[1] == 'A')
@@ -12,13 +12,16 @@ void __attribute__((noinline)) crashme(const uint8_t *Data, size_t Size) {
         if (Data[3] == '$')
           if (Data[4] == '$') abort();
 
+  return 0;
+
 }
 
 int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
 
-  if (Size) crashme(Data, Size);
-
-  return 0;
+  if (Size)
+    return crashme(Data, Size);
+  else
+    return -1;
 
 }