ffmpeg: Crash in ff_emu_edge_vfix10_mmx

2017-03-13T10:36:49
ID OSSFUZZ-848
Type ossfuzz
Reporter Google
Modified 2017-04-13T13:03:31

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5432155620507648

Project: ffmpeg Fuzzer: libFuzzer_ffmpeg_VIDEO_AV_CODEC_ID_VP6F_fuzzer Fuzz target binary: ffmpeg_VIDEO_AV_CODEC_ID_VP6F_fuzzer Job Type: libfuzzer_asan_ffmpeg Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x61d000010a00 Crash State: ff_emu_edge_vfix10_mmx

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201703071922:201703080106

Reproducer Testcase: https://oss-fuzz.com/download/AMIfv95a9CMn2jHjY56s3zj-iMX86gQ7FxGoivc0cJ5GmRFZNbROoOZtrCBnGwg3BDAqwyUxgpnZWjbq1KAwppqfYYKTWPV7HszxpEdhlnlOtY5dWdMYJZDe-klnrj82BgG6017zd81TmgKDxmeNPVXfH3RsjJbVaHXyyjcN6vTBKD77RK2xhFjTO3Vsz-jh7ZG9uDBwxuzI6RbzuHh4XsFkupKD74CKsAtV1KQf9fhp1Gon2esGvb0ZRFVXykTYZj8Tn91VP-NWLhIhryZao9PPAiLk363XNz_nDuCmBrjhRFjpoZ1lTkSTiiqXIvQrWN08pwh1tarEx7C4HnxQxeOy2KvhldERm9v_ntbkiASsuObpzPvo6ePhESXzIRvd0MD5V911agnL?testcase_id=5432155620507648

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for more information.

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.