[llvm-bugs] Issue 17185 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-simplifycfg: ASSERT: Val && "isa<> used on a null pointer"

ClusterFuzz-External via monorail via llvm-bugs llvm-bugs at lists.llvm.org
Sat Sep 14 15:04:28 PDT 2019

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-09-14
Type: Bug

New issue 17185 by ClusterFuzz-External:  
llvm:llvm-opt-fuzzer--x86_64-simplifycfg: ASSERT: Val && "isa<> used on a  
null pointer"

Detailed Report: https://oss-fuzz.com/testcase?key=5749703899086848

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-simplifycfg
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   Val && "isa<> used on a null pointer"

Sanitizer: memory (MSAN)

Crash Revision:  

Reproducer Testcase:  

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for  
instructions to reproduce this bug locally.

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