ffmpeg: Crash in magy_decode_slice

2017-05-07T03:43:06
ID OSSFUZZ-1410
Type ossfuzz
Reporter Google
Modified 2017-06-07T13:05:30

Description

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

Detailed report: https://oss-fuzz.com/testcase?key=6065423843852288

Project: ffmpeg Fuzzer: afl_ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer Fuzz target binary: ffmpeg_AV_CODEC_ID_MAGICYUV_fuzzer Job Type: afl_asan_ffmpeg Platform Id: linux

Crash Type: UNKNOWN READ Crash Address: 0x603004000110 Crash State: magy_decode_slice avcodec_default_execute2 magy_decode_frame

Sanitizer: address (ASAN)

Recommended Security Severity: Medium

Regressed: https://oss-fuzz.com/revisions?job=afl_asan_ffmpeg&range=201704301625:201705041753

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6065423843852288

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.