[llvm-bugs] Issue 22524 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: (UserVF || isPowerOf2_32(MaxVF)) && "MaxVF must be a power of 2"
ClusterFuzz-External via monorail via llvm-bugs
llvm-bugs at lists.llvm.org
Tue May 26 05:22:12 PDT 2020
Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-05-26
Type: Bug
New issue 22524 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: (UserVF || isPowerOf2_32(MaxVF)) && "MaxVF must be a power of 2"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=22524
Detailed Report: https://oss-fuzz.com/testcase?key=5640099684679680
Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-loop_vectorize
Job Type: libfuzzer_msan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
(UserVF || isPowerOf2_32(MaxVF)) && "MaxVF must be a power of 2"
llvm::LoopVectorizationCostModel::computeMaxVF
llvm::LoopVectorizationPlanner::plan
Sanitizer: memory (MSAN)
Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202005250248:202005260248
Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5640099684679680
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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