Commit 52b18c1f authored by Michael Niedermayer's avatar Michael Niedermayer Committed by Reinhard Tartler

roqvideodec: check dimensions validity

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3ae61045)
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
(cherry picked from commit fee26d35)

CC: libav-stable@libav.org
Signed-off-by: 's avatarReinhard Tartler <siretart@tauware.de>
(cherry picked from commit 488f87be)
Signed-off-by: 's avatarReinhard Tartler <siretart@tauware.de>
parent 0b2b8ab9
......@@ -159,6 +159,13 @@ static av_cold int roq_decode_init(AVCodecContext *avctx)
RoqContext *s = avctx->priv_data;
s->avctx = avctx;
if (avctx->width % 16 || avctx->height % 16) {
av_log(avctx, AV_LOG_ERROR,
"Dimensions must be a multiple of 16\n");
return AVERROR_PATCHWELCOME;
}
s->width = avctx->width;
s->height = avctx->height;
s->last_frame = &s->frames[0];
......
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