[llvm-bugs] Issue 16512 in oss-fuzz: llvm:llvm-isel-fuzzer--aarch64-gisel: ASSERT: MaskDef->getOpcode() == TargetOpcode::G_BUILD_VECTOR && "G_SHUFFLE_VECTOR should

[ClusterFuzz-External via monorail via llvm-bugs]

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 Reproducible Stability-Memory-MemorySanitizer  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-08-17
Type: Bug
New issue 16512 by ClusterFuzz-External:  
llvm:llvm-isel-fuzzer--aarch64-gisel: ASSERT: MaskDef->getOpcode() ==  
TargetOpcode::G_BUILD_VECTOR && "G_SHUFFLE_VECTOR should
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16512

Detailed Report: https://oss-fuzz.com/testcase?key=5661749054799872

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--aarch64-gisel
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
  MaskDef->getOpcode() == TargetOpcode::G_BUILD_VECTOR && "G_SHUFFLE_VECTOR  
should
  AArch64InstructionSelector::select
  llvm::InstructionSelect::runOnMachineFunction

Sanitizer: memory (MSAN)

Crash Revision:  
https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&revision=201906300300

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5661749054799872

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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