generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

fix segfault with lol-ffplay2.mpg (dunno if this is exploitable, probably not easily)

Browse Source 
Originally committed as revision 7889 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2007-02-09 02:21:34 +00:00
parent f7a49547de
commit 960964f5a9
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/mpeg12.c
View File

@ -2593,6 +2593,10 @@ static int mpeg_decode_slice(Mpeg1Context *s1, int mb_y,
break; break;
} }
} }
if(s->mb_x >= (unsigned)s->mb_width){
av_log(s->avctx, AV_LOG_ERROR, "initial skip overflow\n");
return -1;
}
s->resync_mb_x= s->mb_x; s->resync_mb_x= s->mb_x;
s->resync_mb_y= s->mb_y= mb_y; s->resync_mb_y= s->mb_y= mb_y;