[llvm-bugs] Issue 15587 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Sun Jun 30 01:32:13 PDT 2019

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-06-30
Type: Bug

New issue 15587 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: isa<X>(Val)  
&& "cast<Ty>() argument of incompatible type!"

Detailed report: https://oss-fuzz.com/testcase?key=5690036105773056

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

Crash Type: ASSERT
Crash Address:
Crash State:
   isa<X>(Val) && "cast<Ty>() argument of incompatible type!"

Sanitizer: memory (MSAN)


Reproducer Testcase:  

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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