Comment #11 on issue 7560 by ClusterFuzz-External:
llvm/llvm-opt-fuzzer--x86_64-loop_vectorize: Heap-use-after-free in
llvm::LoopVectorizationCostModel::setCostBasedWideningDecision
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=7560#c11
ClusterFuzz has detected this issue as fixed in range
201903070433:201903090441.
Detailed report: https://oss-fuzz.com/testcase?key=5746655065276416
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: Heap-use-after-free READ 4
Crash Address: 0x6080000124e0
Crash State:
llvm::LoopVectorizationCostModel::setCostBasedWideningDecision
llvm::LoopVectorizationCostModel::collectUniformsAndScalars
llvm::LoopVectorizationPlanner::plan
Sanitizer: address (ASAN)
Recommended Security Severity: High
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802190622:201802200626
Fixed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903070433:201903090441
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5746655065276416
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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