Merge commit '62b1e3b1'

* commit '62b1e3b1':
  aasc: Check minimum buffer size

Conflicts:
	libavcodec/aasc.c

See: e1631f8e
See: 8a57ca5cMerged-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/aasc.c

@@ -107,11 +107,9 @@ static int aasc_decode_frame(AVCodecContext *avctx,
     switch (compr) {
     case 0:
         stride = (avctx->width * psize + psize) & ~psize;
+        if (buf_size < stride * avctx->height)
+            return AVERROR_INVALIDDATA;
         for (i = avctx->height - 1; i >= 0; i--) {
-            if (avctx->width * psize > buf_size) {
-                av_log(avctx, AV_LOG_ERROR, "Next line is beyond buffer bounds\n");
-                break;
-            }
             memcpy(s->frame->data[0] + i * s->frame->linesize[0], buf, avctx->width * psize);
             buf += stride;
             buf_size -= stride;