[llvm-bugs] Issue 17819 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in ConvertDeclSpecToType

[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-2019-09-30
Type: Bug

New issue 17819 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow  
in ConvertDeclSpecToType
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17819

Detailed Report: https://oss-fuzz.com/testcase?key=5683594999103488

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

Crash Type: Stack-overflow
Crash Address: 0x7ffda5dbec68
Crash State:
   ConvertDeclSpecToType
   GetDeclSpecTypeForDeclarator
   clang::Sema::GetTypeForDeclarator

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201909250339:201909260342

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5683594999103488

Issue filed automatically.

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