Stowage/ffmpeg
2
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2026-02-08 19:00:07 +00:00
Code Issues Projects Releases Packages Wiki Activity

avcodec/utils: the IFF_ILBM implementation assumes that there are a multiple of 16 allocated

Browse source 
Fixes: out of array access
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-5124452659888128
Fixes: 45982/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_IFF_ILBM_fuzzer-6362836707442688

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 34056a94ea)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2023-04-16 16:56:40 +02:00
parent 6d0161f742
commit 8b43d791be
No known key found for this signature in database
GPG key ID: B18E8928B3948D64
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
libavcodec/utils.c
View file

@ -310,7 +310,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
}
if (s->codec_id == AV_CODEC_ID_IFF_ILBM) {
w_align = FFMAX(w_align, 8);
w_align = FFMAX(w_align, 16);
}
*width = FFALIGN(*width, w_align);