[llvm-bugs] Issue 15399 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-simplifycfg: ASSERT: isa<X>(Val) && "cast_or_null<Ty>() argument of incompatible type!"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
igm... at gmail.com, mitchp at google.com, bigchees... at gmail.com,  
eneyman at google.com, llvm-b... at lists.llvm.org, jfb at chromium.org,  
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akils... at apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-06-20
Type: Bug

New issue 15399 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-simplifycfg: ASSERT: isa<X>(Val)  
&& "cast_or_null<Ty>() argument of incompatible type!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15399

Detailed report: https://oss-fuzz.com/testcase?key=5694017381072896

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

Crash Type: ASSERT
Crash Address:
Crash State:
   isa<X>(Val) && "cast_or_null<Ty>() argument of incompatible type!"
   llvm::DILocation::getInlinedAtScope
   Verifier::visitFunction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201906180300:201906190239

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5694017381072896

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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