[llvm-bugs] Issue 5227 in oss-fuzz: llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT: Index + MRI->getType(Res).getSizeInBits() <= MRI->getType(Src).getSizeInBits() &

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #3 on issue 5227 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT: Index +  
MRI->getType(Res).getSizeInBits() <= MRI->getType(Src).getSizeInBits() &
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5227#c3

ClusterFuzz has detected this issue as fixed in range  
201801230732:201801240651.

Detailed report: https://oss-fuzz.com/testcase?key=6228718214184960

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: ASSERT
Crash Address:
Crash State:
   Index + MRI->getType(Res).getSizeInBits() <=  
MRI->getType(Src).getSizeInBits() &
   llvm::MachineIRBuilder::buildExtract
   llvm::LegalizerHelper::narrowScalar

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801020611:201801030610
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801230732:201801240651

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6228718214184960

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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