[llvm-bugs] Issue 14956 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: isValidOperands(V1, V2, Mask) && "Invalid shuffle vector instruction operands!"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Tue May 28 07:26:20 PDT 2019


Comment #1 on issue 14956 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: isValidOperands(V1, V2,  
Mask) && "Invalid shuffle vector instruction operands!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14956#c1

ClusterFuzz has detected this issue as fixed in range  
201905260309:201905270308.

Detailed report: https://oss-fuzz.com/testcase?key=5722437330665472

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-opt-fuzzer--x86_64-instcombine
Fuzz target binary: llvm-opt-fuzzer--x86_64-instcombine
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   isValidOperands(V1, V2, Mask) && "Invalid shuffle vector instruction  
operands!"
   llvm::ShuffleVectorInst::ShuffleVectorInst
   llvm::InstCombiner::visitInsertElementInst

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201905220318:201905242219
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201905260309:201905270308

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5722437330665472

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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