[llvm-bugs] Issue 16067 in oss-fuzz: llvm/clang-format-fuzzer: ASSERT: !Line.startsWith(tok::hash)

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
igm... at gmail.com, mitchp at google.com, bigchees... at gmail.com,  
eneyman at google.com, llvm-b... at lists.llvm.org, jfb at chromium.org,  
v... at apple.com, mitchphi... at outlook.com, xpl... at gmail.com,  
akils... at apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-07-27
Type: Bug

New issue 16067 by ClusterFuzz-External: llvm/clang-format-fuzzer:  
ASSERT: !Line.startsWith(tok::hash)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16067

Detailed report: https://oss-fuzz.com/testcase?key=5630652736602112

Project: llvm
Fuzzer: libFuzzer_llvm_clang-format-fuzzer
Fuzz target binary: clang-format-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   !Line.startsWith(tok::hash)
   clang::format::AnnotatingParser::consumeToken
   clang::format::AnnotatingParser::parseLine

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201907260314:201907270317

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5630652736602112

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
instructions to reproduce this bug locally.

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