[FFmpeg-cvslog] avformat/matroskaenc: Fix potential stack-buffer-overflow

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Mon Jul  8 19:08:44 2024 +0200| [8765b36a526ba1e9698e060f9bcd646f3dfeeaf4] | committer: Andreas Rheinhardt

avformat/matroskaenc: Fix potential stack-buffer-overflow

Forgotten in f194f291d8082134cdce625b0ca3548067428ea9

Reviewed-by: James Almer <jamrial at gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=8765b36a526ba1e9698e060f9bcd646f3dfeeaf4
---

 libavformat/matroskaenc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 216cb48884..e1adc0eba6 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1758,7 +1758,7 @@ static int mkv_write_track_video(AVFormatContext *s, MatroskaMuxContext *mkv,
     uint8_t color_space[4], projection_private[20];
     const AVPacketSideData *sd;
     EBML_WRITER(MAX_FIELD_ORDER_ELEMS + MAX_STEREO_MODE_ELEMS      +
-                MAX_VIDEO_COLOR_ELEMS + MAX_VIDEO_PROJECTION_ELEMS + 8);
+                MAX_VIDEO_COLOR_ELEMS + MAX_VIDEO_PROJECTION_ELEMS + 12);
     int cropped_width = par->width, cropped_height = par->height;
     int ret;