fake sigill crash in libpng harness

2021-01-13 21:42:56 +01:00 · 2021-01-13 21:42:56 +01:00 · 0fe2c49a17
commit 0fe2c49a17
parent d2ddef2823
1 changed files with 1 additions and 0 deletions
--- a/fuzzers/libfuzzer_libpng/harness.cc
+++ b/fuzzers/libfuzzer_libpng/harness.cc
@ -157,6 +157,7 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  // This is going to be too slow.
  if (width && height > 100000000 / width) {
    PNG_CLEANUP
+    asm("ud2");
    return 0;
  }