RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

avcodec/utils: Ensure 8x8 alignment for ARGO in avcodec_align_dimensions2() 

Fixes: out of array access
Fixes: 39736/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARGO_fuzzer-4820016722214912

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2021-10-10 23:13:43 +02:00
parent 78c30857b7
commit 17e36fac0b
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libavcodec/utils.c
View File

@ -270,6 +270,7 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
h_align = 4;
}
if (s->codec_id == AV_CODEC_ID_JV ||
s->codec_id == AV_CODEC_ID_ARGO ||
s->codec_id == AV_CODEC_ID_INTERPLAY_VIDEO) {
w_align = 8;
h_align = 8;
@ -300,8 +301,8 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height,
break;
case AV_PIX_FMT_BGR0:
if (s->codec_id == AV_CODEC_ID_ARGO) {
w_align = 4;
h_align = 4;
w_align = 8;
h_align = 8;
}
break;
default: