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| author | Mitch Phillips <mitchphillips@outlook.com> | 2019-09-27 22:04:36 +0000 |
|---|---|---|
| committer | Mitch Phillips <mitchphillips@outlook.com> | 2019-09-27 22:04:36 +0000 |
| commit | d1e222e552d9f3d83083220e186c1f4c925e3e9c (patch) | |
| tree | 5d60948e094ce2d54923ae75ce5e34ca545f9ae1 /compiler-rt/lib/fuzzer/FuzzerLoop.cpp | |
| parent | 8c39d016705e04be7dcfddae8997a36fcd0ee30d (diff) | |
| download | bcm5719-llvm-d1e222e552d9f3d83083220e186c1f4c925e3e9c.tar.gz bcm5719-llvm-d1e222e552d9f3d83083220e186c1f4c925e3e9c.zip | |
[libFuzzer] Dump trace and provide correct msg for overwritten input.
Summary:
Now crashes with a stacktrace and uses 'overwrites-const-input' as the error
message instead of 'out-of-memory'.
Reviewers: morehouse, Dor1s
Reviewed By: morehouse, Dor1s
Subscribers: #sanitizers, llvm-commits, metzman, Dor1s
Tags: #sanitizers, #llvm
Differential Revision: https://reviews.llvm.org/D68067
llvm-svn: 373130
Diffstat (limited to 'compiler-rt/lib/fuzzer/FuzzerLoop.cpp')
| -rw-r--r-- | compiler-rt/lib/fuzzer/FuzzerLoop.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler-rt/lib/fuzzer/FuzzerLoop.cpp b/compiler-rt/lib/fuzzer/FuzzerLoop.cpp index 7150a116be9..96ab544b15c 100644 --- a/compiler-rt/lib/fuzzer/FuzzerLoop.cpp +++ b/compiler-rt/lib/fuzzer/FuzzerLoop.cpp @@ -515,8 +515,10 @@ size_t Fuzzer::GetCurrentUnitInFuzzingThead(const uint8_t **Data) const { void Fuzzer::CrashOnOverwrittenData() { Printf("==%d== ERROR: libFuzzer: fuzz target overwrites its const input\n", GetPid()); + PrintStackTrace(); + Printf("SUMMARY: libFuzzer: overwrites-const-input\n"); DumpCurrentUnit("crash-"); - Printf("SUMMARY: libFuzzer: out-of-memory\n"); + PrintFinalStats(); _Exit(Options.ErrorExitCode); // Stop right now. } |
