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,
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,
akils...@apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-08-06
Type: Bug
New issue 16272 by ClusterFuzz-External:
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: ASSERT: (Value == 0 ||
llvm::isPowerOf2_64(Value)) && "Alignment is not 0 or a power of
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16272
Detailed report: https://oss-fuzz.com/testcase?key=6271237008916480
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-loop_vectorize
Fuzz target binary: llvm-opt-fuzzer--x86_64-loop_vectorize
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
(Value == 0 || llvm::isPowerOf2_64(Value)) && "Alignment is not 0 or a
power of
llvm::DataLayout::parseSpecifier
llvm::DataLayout::reset
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201908050313:201908060313
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=6271237008916480
Issue filed automatically.
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
instructions to reproduce this bug locally.
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