[llvm-bugs] Issue 13446 in oss-fuzz: llvm/llvm-isel-fuzzer--aarch64-O2: Null-dereference READ in llvm::AArch64InstrInfo::optimizeCondBranch

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 13446 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--aarch64-O2: Null-dereference READ in  
llvm::AArch64InstrInfo::optimizeCondBranch
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13446#c2

ClusterFuzz has detected this issue as fixed in range  
201903040425:201903050442.

Detailed report: https://oss-fuzz.com/testcase?key=5634281584459776

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--aarch64-O2
Fuzz target binary: llvm-isel-fuzzer--aarch64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000010
Crash State:
   llvm::AArch64InstrInfo::optimizeCondBranch
   PeepholeOptimizer::runOnMachineFunction
   llvm::MachineFunctionPass::runOnFunction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201902240409:201902250410
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903040425:201903050442

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5634281584459776

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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