[llvm-bugs] Issue 41624 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in clang::DeclContext::isDependentContext

[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-2021-12-03
Type: Bug

New issue 41624 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow in clang::DeclContext::isDependentContext
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41624

Detailed Report: https://oss-fuzz.com/testcase?key=4704243081150464

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

Crash Type: Stack-overflow
Crash Address: 0x7fff6ebe7ff8
Crash State:
  clang::DeclContext::isDependentContext
  clang::Sema::LookupQualifiedName
  clang::Sema::CppLookupName
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202107280605:202107290602

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4704243081150464

Issue filed automatically.

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