Comment #2 on issue 9444 by ClusterFuzz-External:
llvm/llvm-dwarfdump-fuzzer: Heap-buffer-overflow in
llvm::DataExtractor::getU32
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9444#c2
ClusterFuzz has detected this issue as fixed in range
201808080254:201808081857.
Detailed report: https://oss-fuzz.com/testcase?key=5133751028809728
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 4
Crash Address: 0x60b000000210
Crash State:
llvm::DataExtractor::getU32
llvm::DWARFUnitHeader::extract
std::__1::unique_ptr<llvm::DWARFCompileUnit,
std::__1::default_delete<llvm::DWAR
Sanitizer: address (ASAN)
Recommended Security Severity: Medium
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201805140713:201805150659
Fixed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201808080254:201808081857
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5133751028809728
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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