[FFmpeg-cvslog] rv10: Validate the dimensions set from the container

[Martin Storsjö]

ffmpeg | branch: release/1.1 | Martin Storsjö <martin at martin.st> | Mon Sep 16 15:40:57 2013 +0300| [0b0f1cd44ece180e12795cfc8d0a0ac5ea3ebe2c] | committer: Luca Barbato

rv10: Validate the dimensions set from the container

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable at libav.org
Signed-off-by: Martin Storsjö <martin at martin.st>
(cherry picked from commit 5372cda67109848d22146289e401669266217e80)
Signed-off-by: Luca Barbato <lu_zero at gentoo.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0b0f1cd44ece180e12795cfc8d0a0ac5ea3ebe2c
---

 libavcodec/rv10.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavcodec/rv10.c b/libavcodec/rv10.c
index 26af29f..04518dd 100644
--- a/libavcodec/rv10.c
+++ b/libavcodec/rv10.c
@@ -426,12 +426,15 @@ static av_cold int rv10_decode_init(AVCodecContext *avctx)
     RVDecContext  *rv = avctx->priv_data;
     MpegEncContext *s = &rv->m;
     static int done=0;
-    int major_ver, minor_ver, micro_ver;
+    int major_ver, minor_ver, micro_ver, ret;
 
     if (avctx->extradata_size < 8) {
         av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
         return -1;
     }
+    if ((ret = av_image_check_size(avctx->coded_width,
+                                   avctx->coded_height, 0, avctx)) < 0)
+        return ret;
 
     ff_MPV_decode_defaults(s);