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yopdec: check that palette fits in the packet 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-01 15:51:50 +02:00
parent f218121a4d
commit b6fdf8dea7
1 changed files with 5 additions and 0 deletions
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5
libavcodec/yop.c
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@ -204,6 +204,11 @@ static int yop_decode_frame(AVCodecContext *avctx, void *data, int *data_size,
if (s->frame.data[0]) if (s->frame.data[0])
avctx->release_buffer(avctx, &s->frame); avctx->release_buffer(avctx, &s->frame);
if (avpkt->size < 4 + 3*s->num_pal_colors) {
av_log(avctx, AV_LOG_ERROR, "packet of size %d too small\n", avpkt->size);
return AVERROR_INVALIDDATA;
}
ret = avctx->get_buffer(avctx, &s->frame); ret = avctx->get_buffer(avctx, &s->frame);
if (ret < 0) { if (ret < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");