From 5d8e4f6da03c0342157e6ac7fab1a8ac3a87a8b0 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Fri, 13 Dec 2013 01:33:35 +0100 Subject: [PATCH] avformat/rtpenc: check av_packet_get_side_data() return, fix null ptr dereference Fixes CID1035715 Signed-off-by: Michael Niedermayer --- libavformat/rtpenc.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/rtpenc.c b/libavformat/rtpenc.c index 6fdc908d0f..f0100083b8 100644 --- a/libavformat/rtpenc.c +++ b/libavformat/rtpenc.c @@ -557,6 +557,10 @@ static int rtp_write_packet(AVFormatContext *s1, AVPacket *pkt) const uint8_t *mb_info = av_packet_get_side_data(pkt, AV_PKT_DATA_H263_MB_INFO, &mb_info_size); + if (!mb_info) { + av_log(s1, AV_LOG_ERROR, "failed to allocate side data\n"); + return AVERROR(ENOMEM); + } ff_rtp_send_h263_rfc2190(s1, pkt->data, size, mb_info, mb_info_size); break; }