flac:fuzzer_encoder: Crash in FLAC__bitwriter_free

Type ossfuzz
Reporter Google
Modified 2020-03-31T18:47:23


Detailed Report: https://oss-fuzz.com/testcase?key=5718435866869760

Project: flac Fuzzing Engine: libFuzzer Fuzz Target: fuzzer_encoder Job Type: libfuzzer_asan_i386_flac Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x7a6fb7f0 Crash State: FLAC__bitwriter_free FLAC__stream_encoder_finish FLAC::Encoder::Stream::finish

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_i386_flac&range=201911250248:201911260244

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5718435866869760

Issue filed automatically.

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This bug is subject to a 90 day disclosure deadline. If 90 days elapse without an upstream patch, then the bug report will automatically become visible to the public.