[llvm] r300800 - [libFuzzer] extend help for -minimize_crash to cover ASAN_OPTIONS=dedup_token_length=3

Kostya Serebryany via llvm-commits llvm-commits at lists.llvm.org
Wed Apr 19 16:58:05 PDT 2017


Author: kcc
Date: Wed Apr 19 18:58:05 2017
New Revision: 300800

URL: http://llvm.org/viewvc/llvm-project?rev=300800&view=rev
Log:
[libFuzzer] extend help for -minimize_crash to cover ASAN_OPTIONS=dedup_token_length=3

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerFlags.def

Modified: llvm/trunk/lib/Fuzzer/FuzzerFlags.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerFlags.def?rev=300800&r1=300799&r2=300800&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerFlags.def (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerFlags.def Wed Apr 19 18:58:05 2017
@@ -50,6 +50,8 @@ FUZZER_FLAG_INT(minimize_crash, 0, "If 1
   " crash input. Use with -runs=N or -max_total_time=N to limit "
   "the number attempts."
   " Use with -exact_artifact_path to specify the output."
+  " Combine with ASAN_OPTIONS=dedup_token_length=3 (or similar) to ensure that"
+  " the minimized input triggers the same crash."
   )
 FUZZER_FLAG_INT(cleanse_crash, 0, "If 1, tries to cleanse the provided"
   " crash input to make it contain fewer original bytes."




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