Commit 82b280ca2a for ffmpeg

commit 82b280ca2ab440efcc932052edb53dbcc2822e4f
Author: Michael Niedermayer <michael@niedermayer.cc>
Date:   Mon Sep 21 06:14:25 2026 +0200

    avfilter/vf_libopencv: return the error from read_shape_from_file()

    Found during triage/review of the security reports 4MBWdnTTajBU and
    ZbzgLVrnEIkH.

diff --git a/libavfilter/vf_libopencv.c b/libavfilter/vf_libopencv.c
index c125d294d1..5985262966 100644
--- a/libavfilter/vf_libopencv.c
+++ b/libavfilter/vf_libopencv.c
@@ -180,6 +180,8 @@ static int read_shape_from_file(int *cols, int *rows, int **values, const char *

 end:
     av_file_unmap(buf, size);
+    if (ret < 0)
+        return ret;

 #ifdef DEBUG
     {