ffmpeg | branch: master | Jiasheng Jiang <jiashengjiangc...@outlook.com> | Mon
Jun 10 14:18:11 2024 +0000| [4065ff69a2ed49872f8694a03d0642b18c9d977c] |
committer: Anton Khirnov
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 <jiashengjiangc...@outlook.com>
Signed-off-by: Anton Khirnov <an...@khirnov.net>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4065ff69a2ed49872f8694a03d0642b18c9d977c
---
libavcodec/mpegvideo_enc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index 620ca08869..d33754d115 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -1825,6 +1825,8 @@ int ff_mpv_encode_picture(AVCodecContext *avctx, AVPacket
*pkt,
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;
}
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