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avfilter/vf_bwdif: fix heap-buffer overflow 

Fixes #8261

(cherry picked from commit 8c3166e1c3)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Paul B Mahol 2019-10-13 23:21:35 +02:00 committed by Michael Niedermayer
parent a43a89a089
commit 6f579cf963
1 changed files with 2 additions and 2 deletions
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4
libavfilter/vf_bwdif.c
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@ -343,8 +343,8 @@ static int config_props(AVFilterLink *link)
if(yadif->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);
}