From 86dfa07e767e021944bfff071a250ec67b9737a1 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 11 Jun 2024 23:43:37 +0200 Subject: [PATCH] avfilter/vf_avgblur: Check plane instead of AVFrame Fixes: CID1551694 Use after free (false positive based on assuming that out == in and one is freed and one used) Sponsored-by: Sovereign Tech Fund Signed-off-by: Michael Niedermayer (cherry picked from commit c296d4fdec198a32ea3995e312cede7be83352c7) Signed-off-by: Michael Niedermayer --- libavfilter/vf_avgblur.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavfilter/vf_avgblur.c b/libavfilter/vf_avgblur.c index 7fd65eabfc..070500c37a 100644 --- a/libavfilter/vf_avgblur.c +++ b/libavfilter/vf_avgblur.c @@ -273,7 +273,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) const int width = s->planewidth[plane]; if (!(s->planes & (1 << plane))) { - if (out != in) + if (out->data[plane] != in->data[plane]) av_image_copy_plane(out->data[plane], out->linesize[plane], in->data[plane], in->linesize[plane], width * ((s->depth + 7) / 8), height);