[MPlayer-dev-eng] [PATCH] Fix uninitialized memory read in vd_ffmpeg.c
Tobias Diedrich
ranma at tdiedrich.de
Wed Mar 9 19:49:39 CET 2011
Fix uninitialized memory read.
The debug message shouldn't show uninitialized bogus data if len is <= 16.
Index: mplayer-patchset1/libmpcodecs/vd_ffmpeg.c
===================================================================
--- mplayer-patchset1.orig/libmpcodecs/vd_ffmpeg.c 2011-02-18 20:08:07.965376000 +0100
+++ mplayer-patchset1/libmpcodecs/vd_ffmpeg.c 2011-02-18 20:09:34.748589000 +0100
@@ -828,8 +828,12 @@
avctx->hurry_up=(flags&3)?((flags&2)?2:1):0;
- mp_msg(MSGT_DECVIDEO, MSGL_DBG2, "vd_ffmpeg data: %04x, %04x, %04x, %04x\n",
- ((int *)data)[0], ((int *)data)[1], ((int *)data)[2], ((int *)data)[3]);
+ if (len >= 16) {
+ mp_msg(MSGT_DECVIDEO, MSGL_DBG2,
+ "vd_ffmpeg data: %04x, %04x, %04x, %04x\n",
+ ((int *)data)[0], ((int *)data)[1],
+ ((int *)data)[2], ((int *)data)[3]);
+ }
av_init_packet(&pkt);
pkt.data = data;
pkt.size = len;
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