[FFmpeg-cvslog] r18862 - trunk/libavcodec/tmv.c
vitor
subversion
Sun May 17 11:48:13 CEST 2009
Author: vitor
Date: Sun May 17 11:48:12 2009
New Revision: 18862
Log:
Make TMV decoder check packet sizes before reading from it.
FATE test 295 might need updating.
Modified:
trunk/libavcodec/tmv.c
Modified: trunk/libavcodec/tmv.c
==============================================================================
--- trunk/libavcodec/tmv.c Sun May 17 11:09:07 2009 (r18861)
+++ trunk/libavcodec/tmv.c Sun May 17 11:48:12 2009 (r18862)
@@ -52,6 +52,13 @@ static int tmv_decode_frame(AVCodecConte
return -1;
}
+ if (avpkt->size < 2*char_rows*char_cols) {
+ av_log(avctx, AV_LOG_ERROR,
+ "Input buffer too small, truncated sample?\n");
+ *data_size = 0;
+ return -1;
+ }
+
tmv->pic.pict_type = FF_I_TYPE;
tmv->pic.key_frame = 1;
dst = tmv->pic.data[0];
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