ffmpeg/ffmpeg_AV_CODEC_ID_VORBIS_fuzzer: Crash in vorbis_floor0_decode

2019-07-04T08:04:28
ID OSSFUZZ-15649
Type ossfuzz
Reporter Google
Modified 2019-08-21T15:28:50

Description

Project: https://git.ffmpeg.org/ffmpeg.git

Detailed report: https://oss-fuzz.com/testcase?key=5729191309344768

Project: ffmpeg Fuzzer: libFuzzer_ffmpeg_AV_CODEC_ID_VORBIS_fuzzer Fuzz target binary: ffmpeg_AV_CODEC_ID_VORBIS_fuzzer Job Type: libfuzzer_ubsan_ffmpeg Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x000401bbc774 Crash State: vorbis_floor0_decode vorbis_parse_audio_packet vorbis_decode_frame

Sanitizer: undefined (UBSAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_ubsan_ffmpeg&range=201906140151:201906150149

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5729191309344768

Issue filed automatically.

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

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.