[llvm-bugs] Issue 15525 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-guard_widening: ASSERT: V->getType() == flattenPointerTypes(CurFullTy) && "Incorrect fully structured ty

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-06-28
Type: Bug

New issue 15525 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-guard_widening: ASSERT: V->getType() ==  
flattenPointerTypes(CurFullTy) && "Incorrect fully structured ty
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15525

Detailed report: https://oss-fuzz.com/testcase?key=5642169005637632

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

Crash Type: ASSERT
Crash Address:
Crash State:
   V->getType() == flattenPointerTypes(CurFullTy) && "Incorrect fully  
structured ty
   BitcodeReader::parseConstants
   BitcodeReader::parseModule

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201906270304:201906280305

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5642169005637632

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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