On Fri, Jul 27, 2012 at 06:49:42PM +0600, Mashiat Sarker Shakkhar wrote: > From: Michael Niedermayer <[email protected]> > > Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind > Signed-off-by: Michael Niedermayer <[email protected]> > --- > libavcodec/vc1dec.c | 4 ++++ > 1 files changed, 4 insertions(+), 0 deletions(-) > > diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c > index e34e8d2..c63ccf1 100644 > --- a/libavcodec/vc1dec.c > +++ b/libavcodec/vc1dec.c > @@ -5600,6 +5600,10 @@ static int vc1_decode_frame(AVCodecContext *avctx, > void *data, > s->end_mb_y = (i == n_slices ) ? mb_height : > FFMIN(mb_height, slices[i].mby_start % mb_height); > else > s->end_mb_y = (i <= n_slices1 + 1) ? mb_height : > FFMIN(mb_height, slices[i].mby_start % mb_height); > + if (s->end_mb_y <= s->start_mb_y) { > + av_log(v->s.avctx, AV_LOG_ERROR, "end mb y %d %d invalid\n", > s->end_mb_y, s->start_mb_y); > + continue; > + } > vc1_decode_blocks(v); > if (i != n_slices) > s->gb = slices[i].gb; > --
looks OK except for cryptic message _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
