Comment #5 on issue 12857 by ClusterFuzz-External:
llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: Val && "isa<> used on a
null pointer"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12857#c5
ClusterFuzz has detected this issue as fixed in range
201904290301:201905070306.
Detailed report: https://oss-fuzz.com/testcase?key=5667767804493824
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-instcombine
Fuzz target binary: llvm-opt-fuzzer--x86_64-instcombine
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
Val && "isa<> used on a null pointer"
computeKnownBitsFromOperator
computeKnownBits
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201901220414:201902020421
Fixed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201904290301:201905070306
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5667767804493824
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
instructions to reproduce this bug locally.
If you suspect that the result above is incorrect, try re-doing that job on
the test case report page.
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