Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevlieg...@apple.com,
igm...@gmail.com, mit...@google.com, bigchees...@gmail.com,
eney...@google.com, llvm-b...@lists.llvm.org, j...@chromium.org,
v...@apple.com, mitchphi...@outlook.com, xpl...@gmail.com,
akils...@apple.com
Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-08-26
Type: Bug
New issue 16771 by ClusterFuzz-External: llvm:clang-fuzzer:
Null-dereference READ in clang::TokenLexer::ExpandFunctionArguments
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16771
Detailed Report: https://oss-fuzz.com/testcase?key=5107808558645248
Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_msan_llvm
Platform Id: linux
Crash Type: Null-dereference READ
Crash Address: 0x000000000000
Crash State:
clang::TokenLexer::ExpandFunctionArguments
clang::TokenLexer::Init
clang::Preprocessor::EnterMacro
Sanitizer: memory (MSAN)
Crash Revision:
https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&revision=201906300300
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5107808558645248
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for
instructions to reproduce this bug locally.
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