Comment #8 on issue 3749 by ClusterFuzz-External:
llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in
llvm::StringMapImpl::LookupBucketFor
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3749#c8
ClusterFuzz has detected this issue as fixed in range
201802260623:201802270628.
Detailed report: https://oss-fuzz.com/testcase?key=6523301993119744
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-dwarfdump-fuzzer
Fuzz target binary: llvm-dwarfdump-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: Heap-buffer-overflow READ 1
Crash Address: 0x6120000005dd
Crash State:
llvm::StringMapImpl::LookupBucketFor
std::__1::pair<llvm::StringMapIterator<unsigned int>, bool>
llvm::StringMap<unsi
llvm::DWARFContext::create
Sanitizer: address (ASAN)
Recommended Security Severity: Medium
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201708280446:201708291805
Fixed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802260623:201802270628
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=6523301993119744
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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