Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com, igm...@gmail.com, llvm-b...@lists.llvm.org, v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com, akils...@apple.com Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer Proj-llvm Reported-2018-02-04
Type: Bug

New issue 5996 by ClusterFuzz-External: llvm/clang-fuzzer: Stack-overflow in clang::Preprocessor::HandleMacroExpandedIdentifier
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5996

Detailed report: https://oss-fuzz.com/testcase?key=5664721412816896

Project: llvm
Fuzzer: libFuzzer_llvm_clang-fuzzer
Fuzz target binary: clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7ffc3c097b68
Crash State:
  clang::Preprocessor::HandleMacroExpandedIdentifier
  clang::Preprocessor::HandleIdentifier
  clang::Preprocessor::Lex

Sanitizer: address (ASAN)

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5664721412816896

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

When you fix this bug, please
  * mention the fix revision(s).
* state whether the bug was a short-lived regression or an old bug in any stable releases.
  * add any other useful information.
This information can help downstream consumers.

If you have questions for the OSS-Fuzz team, please file an issue at https://github.com/google/oss-fuzz/issues.

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