Limit size of fuzzing targets when run under asan.

PiperOrigin-RevId: 572745780 Change-Id: Ibaf9196cd28563f82cf736aad4fa8005eb98f120
google · Oct 12, 2023 · 3f411b6 · 3f411b6
1 parent 8b2ed9a
commit 3f411b6
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/tcmalloc/huge_page_aware_allocator_fuzz.cc b/tcmalloc/huge_page_aware_allocator_fuzz.cc
@@ -68,6 +68,13 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
     return 0;
   }
 
+#if ABSL_HAVE_ADDRESS_SANITIZER
+  // Since asan introduces runtime overhead, limit size of fuzz targets further.
+  if (size > 10000) {
+    return 0;
+  }
+#endif
+
   // We interpret data as a small DSL for exploring the state space of
   // HugePageAwareAllocator.
   //