File ffmpeg-CVE-2024-12361.patch of Package ffmpeg.38336

commit 4065ff69a2ed49872f8694a03d0642b18c9d977c
Author: Jiasheng Jiang <jiashengjiangcool@outlook.com>
Date:   Mon Jun 10 14:18:11 2024 +0000

    avcodec/mpegvideo_enc: Add check for av_packet_new_side_data()
    
    Add check for av_packet_new_side_data() to avoid null pointer
    dereference if allocation fails.
    
    Fixes: bdc1220eeb ("h263enc: Add an option for outputting info about MBs as side data")
    Signed-off-by: Jiasheng Jiang <jiashengjiangcool@outlook.com>
    Signed-off-by: Anton Khirnov <anton@khirnov.net>

--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1942,6 +1942,8 @@
             s->mb_info_ptr = av_packet_new_side_data(pkt,
                                  AV_PKT_DATA_H263_MB_INFO,
                                  s->mb_width*s->mb_height*12);
+            if (!s->mb_info_ptr)
+                return AVERROR(ENOMEM);
             s->prev_mb_info = s->last_mb_info = s->mb_info_size = 0;
         }