[llvm-bugs] Issue 32217 in oss-fuzz: llvm:clang-fuzzer: Stack-overflow in clang::Sema::LookupName

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevl... at apple.com, igm... at gmail.com, davg at google.com, mitchp at google.com, bigch... at gmail.com, eneyman at google.com, llvm-... at lists.llvm.org, jfb at chromium.org, v... at apple.com, mitch... at outlook.com, xpl... at gmail.com, akils... at apple.com 
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible Engine-libfuzzer OS-Linux Proj-llvm Reported-2021-03-19
Type: Bug

New issue 32217 by ClusterFuzz-External: llvm:clang-fuzzer: Stack-overflow in clang::Sema::LookupName
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=32217

Detailed Report: https://oss-fuzz.com/testcase?key=6444082235834368

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

Crash Type: Stack-overflow
Crash Address: 0x7ffcc572af80
Crash State:
  clang::Sema::LookupName
  clang::Sema::LookupTemplateName
  clang::Sema::isTemplateName
  
Sanitizer: address (ASAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202103160614:202103170627

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6444082235834368

Issue filed automatically.

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