[llvm-bugs] Issue 61187 in oss-fuzz: llvm:clang-objc-fuzzer: ASSERT: !isTokenSpecial() && "Should consume special tokens with Consume*Token"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Reported-2023-08-05
Type: Bug

New issue 61187 by ClusterFuzz-External: llvm:clang-objc-fuzzer: ASSERT: !isTokenSpecial() && "Should consume special tokens with Consume*Token"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=61187

Detailed Report: https://oss-fuzz.com/testcase?key=4733621595144192

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

Crash Type: ASSERT
Crash Address: 
Crash State:
  !isTokenSpecial() && "Should consume special tokens with Consume*Token"
  clang::Parser::ParseObjCInterfaceDeclList
  clang::Parser::ParseObjCAtInterfaceDeclaration
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=201910210337:201910220425

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=4733621595144192

Issue filed automatically.

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