Return on negative soff sizes, fixes issue 2515.

Patch by Daniel Kang, daniel.d.kang at gmail

Originally committed as revision 26288 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Daniel Kang 2011-01-09 19:29:39 +00:00 committed by Carl Eugen Hoyos
parent 31561a98ae
commit a4db272a92

View File

@ -540,6 +540,10 @@ static int decode_frame(AVCodecContext *avctx,
soff = tget(&s->stripdata, s->sot, s->le);
}else
soff = s->stripoff;
if (soff < 0) {
av_log(avctx, AV_LOG_ERROR, "Invalid stripoff: %d\n", soff);
return AVERROR(EINVAL);
}
if(tiff_unpack_strip(s, dst, stride, orig_buf + soff, ssize, FFMIN(s->rps, s->height - i)) < 0)
break;
dst += s->rps * stride;