[llvm-bugs] Issue 14083 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: !isa<UndefValue>(Shuf.getOperand(1)) && "Not expecting undef shuffle operand wit

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 14083 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-instcombine:  
ASSERT: !isa<UndefValue>(Shuf.getOperand(1)) && "Not expecting undef  
shuffle operand wit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14083#c2

ClusterFuzz has detected this issue as fixed in range  
201904080300:201904100010.

Detailed report: https://oss-fuzz.com/testcase?key=5699738642415616

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:
   !isa<UndefValue>(Shuf.getOperand(1)) && "Not expecting undef shuffle  
operand wit
   llvm::InstCombiner::visitShuffleVectorInst
   llvm::InstCombiner::run

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201903270300:201904052014
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201904080300:201904100010

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5699738642415616

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.

-- 
You received this message because:
   1. You were specifically CC'd on the issue

You may adjust your notification preferences at:
https://bugs.chromium.org/hosting/settings

Reply to this email to add a comment.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20190410/6f2fb93b/attachment.html>