[llvm-bugs] Issue 6547 in oss-fuzz: llvm/clang-fuzzer: Stack-overflow in llvm::StringMapImpl::LookupBucketFor

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #1 on issue 6547 by ClusterFuzz-External: llvm/clang-fuzzer:  
Stack-overflow in llvm::StringMapImpl::LookupBucketFor
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6547#c1

ClusterFuzz has detected this issue as fixed in range  
201803020617:201803030618.

Detailed report: https://oss-fuzz.com/testcase?key=5112326521880576

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: 0x7ffe741f0aa8
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=201801190723:201801200721
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201803020617:201803030618

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5112326521880576

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

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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