ffmpeg/FFmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2024-09-19 12:56:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

avformat/rmdec: Check for overflow in ff_rm_read_mdpr_codecdata()

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 03abf55f25)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-06 00:18:29 +01:00
parent a45402d4c0
commit a443b48ccf
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
libavformat/rmdec.c
View File

@ -412,7 +412,11 @@ ff_rm_read_mdpr_codecdata (AVFormatContext *s, AVIOContext *pb,
skip:
/* skip codec info */
size = avio_tell(pb) - codec_pos;
avio_skip(pb, codec_data_size - size);
if (codec_data_size >= size) {
avio_skip(pb, codec_data_size - size);
} else {
av_log(s, AV_LOG_WARNING, "codec_data_size %u < size %d\n", codec_data_size, size);
}
return 0;
}