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Git pushed a commit to branch release/8.0
in repository ffmpeg.

commit 1c8c974e46d07dcc92fccef43289003f868841e5
Author:     Michael Niedermayer <[email protected]>
AuthorDate: Sat May 30 22:05:34 2026 +0200
Commit:     Michael Niedermayer <[email protected]>
CommitDate: Sun Jun 14 04:59:06 2026 +0200

    avfilter/vf_scale: split rational multiply
    
    Fixes: integer overflow in SAR
    Found-by: jiale yao
    Signed-off-by: Michael Niedermayer <[email protected]>
    (cherry picked from commit 97ea5da41993481f25ea44d5510fdca2d194549c)
    Signed-off-by: Michael Niedermayer <[email protected]>
---
 libavfilter/vf_scale.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 1bcacf2a93..23a1f39a88 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -652,7 +652,8 @@ static int config_props(AVFilterLink *outlink)
     if (scale->reset_sar)
         outlink->sample_aspect_ratio = (AVRational){1, 1};
     else if (inlink0->sample_aspect_ratio.num){
-        outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h * 
inlink0->w, outlink->w * inlink0->h}, inlink0->sample_aspect_ratio);
+        AVRational q = av_div_q((AVRational){inlink0->w, inlink0->h}, 
(AVRational){outlink->w, outlink->h});
+        outlink->sample_aspect_ratio = av_mul_q(q, 
inlink0->sample_aspect_ratio);
     } else
         outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio;
 

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