[FFmpeg-cvslog] avfilter/vf_bwdif: fix heap-buffer overflow
Paul B Mahol
git at videolan.org
Thu May 5 00:09:38 EEST 2022
ffmpeg | branch: release/3.2 | Paul B Mahol <onemda at gmail.com> | Sun Oct 13 23:21:35 2019 +0200| [7004a214d02d54ae969aa8d6f5788f728813079d] | committer: Michael Niedermayer
avfilter/vf_bwdif: fix heap-buffer overflow
Fixes #8261
(cherry picked from commit 8c3166e1c302c3ba80d9742ae46161c0fa8e2606)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=7004a214d02d54ae969aa8d6f5788f728813079d
---
libavfilter/vf_bwdif.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavfilter/vf_bwdif.c b/libavfilter/vf_bwdif.c
index b691983611..7290c9a4a2 100644
--- a/libavfilter/vf_bwdif.c
+++ b/libavfilter/vf_bwdif.c
@@ -505,8 +505,8 @@ static int config_props(AVFilterLink *link)
if(s->mode&1)
link->frame_rate = av_mul_q(link->src->inputs[0]->frame_rate, (AVRational){2,1});
- if (link->w < 3 || link->h < 3) {
- av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n");
+ if (link->w < 3 || link->h < 4) {
+ av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or 4 lines is not supported\n");
return AVERROR(EINVAL);
}
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