Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-07-31
Type: Bug
New issue 16126 by ClusterFuzz-External: llvm/clang-fuzzer: Stack-overflow
in llvm::StringMapImpl::LookupBucketFor
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16126
Detailed report: https://oss-fuzz.com/testcase?key=5156359632322560
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: 0x7ffe96bc89c8
Crash State:
llvm::StringMapImpl::LookupBucketFor
std::__1::pair<llvm::StringMapIterator<clang::IdentifierInfo*>, bool>
llvm::Stri
clang::Preprocessor::LookUpIdentifierInfo
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201905090310:201905100308
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5156359632322560
Issue filed automatically.
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
instructions to reproduce this bug locally.
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