File ffmpeg-CVE-2025-22919.patch of Package ffmpeg.38336

ommit 1446e37d3d032e1452844778b3e6ba2c20f0c322
Author: James Almer <jamrial@gmail.com>
Date:   Mon Dec 30 00:25:41 2024 -0300

    avfilter/buffersrc: check for valid sample rate
    
    A sample rate <= 0 is invalid.
    
    Fixes an assert in ffmpeg_enc.c that assumed a valid sample rate would be set.
    Fixes ticket #11385.
    
    Signed-off-by: James Almer <jamrial@gmail.com>

--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -374,6 +374,11 @@
     if (!(s->fifo = av_fifo_alloc(sizeof(AVFrame*))))
         return AVERROR(ENOMEM);
 
+    if (s->sample_rate <= 0) {
+        av_log(ctx, AV_LOG_ERROR, "Sample rate not set\n");
+        return AVERROR(EINVAL);
+    }
+
     if (!s->time_base.num)
         s->time_base = (AVRational){1, s->sample_rate};