Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,
igm...@gmail.com, eney...@google.com, llvm-b...@lists.llvm.org,
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer Proj-llvm Reported-2018-10-10
Type: Bug
New issue 10883 by ClusterFuzz-External:
llvm/llvm-isel-fuzzer--aarch64-gisel: Null-dereference READ in
llvm::AArch64RegisterBankInfo::getInstrMapping
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10883
Detailed report: https://oss-fuzz.com/testcase?key=5731974405160960
Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--aarch64-gisel
Fuzz target binary: llvm-isel-fuzzer--aarch64-gisel
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
llvm::AArch64RegisterBankInfo::getInstrMapping
llvm::RegBankSelect::assignInstr
llvm::RegBankSelect::runOnMachineFunction
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201810050224:201810060232
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5731974405160960
Issue filed automatically.
See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for
more information.
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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