ffmpeg/ffmpeg_AV_CODEC_ID_HYMT_fuzzer: Crash in ff_add_left_pred_unaligned_avx2

2019-01-04T09:41:13
ID OSSFUZZ-12383
Type ossfuzz
Reporter Google
Modified 2019-02-06T16:29:52

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=5722087214284800

Project: ffmpeg Fuzzer: libFuzzer_ffmpeg_AV_CODEC_ID_HYMT_fuzzer Fuzz target binary: ffmpeg_AV_CODEC_ID_HYMT_fuzzer Job Type: libfuzzer_asan_ffmpeg Platform Id: linux

Crash Type: UNKNOWN WRITE Crash Address: 0x621000010000 Crash State: ff_add_left_pred_unaligned_avx2

Sanitizer: address (ASAN)

Recommended Security Severity: High

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_asan_ffmpeg&range=201812260348:201901020404

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5722087214284800

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.

When you fix this bug, please * mention the fix revision(s). * state whether the bug was a short-lived regression or an old bug in any stable releases. * add any other useful information. This information can help downstream consumers.

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