[FFmpeg-cvslog] r25797 - trunk/libavcodec/pgssubdec.c

[reimar]

Author: reimar
Date: Mon Nov 22 21:39:18 2010
New Revision: 25797

Log:
Fail RLE decoding if insufficient data for a complete bitmap was decoded.

Modified:
   trunk/libavcodec/pgssubdec.c

Modified: trunk/libavcodec/pgssubdec.c
==============================================================================
--- trunk/libavcodec/pgssubdec.c	Mon Nov 22 21:35:07 2010	(r25796)
+++ trunk/libavcodec/pgssubdec.c	Mon Nov 22 21:39:18 2010	(r25797)
@@ -136,6 +136,11 @@ static int decode_rle(AVCodecContext *av
         }
     }
 
+    if (pixel_count < sub->rects[0]->w * sub->rects[0]->h) {
+        av_log(avctx, AV_LOG_ERROR, "Insufficient RLE data for subtitle\n");
+        return -1;
+    }
+
     dprintf(avctx, "Pixel Count = %d, Area = %d\n", pixel_count, sub->rects[0]->w * sub->rects[0]->h);
 
     return 0;