Comment #2 on issue 3683 by
monor...@clusterfuzz-external.iam.gserviceaccount.com:
llvm/llvm-isel-fuzzer--x86_64-O2: Use-after-poison in DAGCombiner::useDivRem
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3683#c2
ClusterFuzz has detected this issue as fixed in range
201711140614:201711141648.
Detailed report: https://oss-fuzz.com/testcase?key=6048513491206144
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--x86_64-O2
Fuzz target binary: llvm-isel-fuzzer--x86_64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: Use-after-poison READ 8
Crash Address: 0x6210000315f0
Crash State:
DAGCombiner::useDivRem
DAGCombiner::visit
DAGCombiner::combine
Sanitizer: address (ASAN)
Recommended Security Severity: High
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201710160455:201710190451
Fixed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201711140614:201711141648
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=6048513491206144
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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