Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,
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akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer Proj-llvm Reported-2019-05-15
Type: Bug
New issue 14774 by ClusterFuzz-External:
llvm/llvm-opt-fuzzer--x86_64-loop_unroll: ASSERT:
(isa<SCEVCouldNotCompute>(MaxNotTaken) || isa<SCEVConstant>(MaxNotTaken))
&& "No
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14774
Detailed report: https://oss-fuzz.com/testcase?key=5742121455190016
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-loop_unroll
Fuzz target binary: llvm-opt-fuzzer--x86_64-loop_unroll
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
(isa<SCEVCouldNotCompute>(MaxNotTaken) || isa<SCEVConstant>(MaxNotTaken))
&& "No
llvm::ScalarEvolution::ExitLimit::ExitLimit
llvm::ScalarEvolution::howManyGreaterThans
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802210603:201802211531
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5742121455190016
Issue filed automatically.
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
instructions to reproduce this bug locally.
When you fix this bug, please
* mention the fix revision(s).
* state whether the bug was a short-lived regression or an old bug in any
stable releases.
* add any other useful information.
This information can help downstream consumers.
If you need to contact the OSS-Fuzz team with a question, concern, or any
other feedback, please file an issue at
https://github.com/google/oss-fuzz/issues.
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