ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sun Oct 13 23:10:16 
2019 +0200| [07050d7bdc32d82e53ee5bb727f5882323d00dba] | committer: Paul B Mahol

avfilter/vf_fieldorder: fix heap-buffer overflow

Fixes #8264

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=07050d7bdc32d82e53ee5bb727f5882323d00dba
---

 libavfilter/vf_fieldorder.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_fieldorder.c b/libavfilter/vf_fieldorder.c
index ca55ff1f66..5707151f1b 100644
--- a/libavfilter/vf_fieldorder.c
+++ b/libavfilter/vf_fieldorder.c
@@ -108,8 +108,8 @@ static int filter_frame(AVFilterLink *inlink, AVFrame 
*frame)
             s->dst_tff ? "up" : "down");
     h = frame->height;
     for (plane = 0; plane < 4 && frame->data[plane] && frame->linesize[plane]; 
plane++) {
-        dst_line_step = out->linesize[plane];
-        src_line_step = frame->linesize[plane];
+        dst_line_step = out->linesize[plane] * (h > 2);
+        src_line_step = frame->linesize[plane] * (h > 2);
         line_size = s->line_size[plane];
         dst = out->data[plane];
         src = frame->data[plane];

_______________________________________________
ffmpeg-cvslog mailing list
ffmpeg-cvslog@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog

To unsubscribe, visit link above, or email
ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".

Reply via email to