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asf: reset side data elements on packet copy.

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Prevents crash (double free) when free()ing the original packet.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit e73c6aaabf)

Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Ronald S. Bultje 2012-03-21 16:10:37 -07:00 committed by Reinhard Tartler
parent c21b858b27
commit 19d3f7d8ac
1 changed files with 2 additions and 0 deletions
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2
libavformat/asfdec.c
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@ -1092,6 +1092,8 @@ static int ff_asf_parse_packet(AVFormatContext *s, AVIOContext *pb, AVPacket *pk
//printf("packet %d %d\n", asf_st->pkt.size, asf->packet_frag_size);
asf_st->pkt.size = 0;
asf_st->pkt.data = 0;
asf_st->pkt.side_data_elems = 0;
asf_st->pkt.side_data = NULL;
break; // packet completed
}
}