[llvm-bugs] Issue 18580 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in clang::DeclSpec::Finish

[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-2019-10-28
Type: Bug

New issue 18580 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow  
in clang::DeclSpec::Finish
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18580

Detailed Report: https://oss-fuzz.com/testcase?key=5634718188175360

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: Stack-overflow
Crash Address: 0x7fff5cf62fc0
Crash State:
   clang::DeclSpec::Finish
   clang::Parser::ParseTypeQualifierListOpt
   clang::Parser::ParseBracketDeclarator

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201910250340:201910260337

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5634718188175360

Issue filed automatically.

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