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Check for invalid packet size in the smacker demuxer.

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Signed-off-by: Martin Storsjö <martin@martin.st>
(cherry picked from commit e055932f5636a82275837968eea9c8fcb5bca474)

Signed-off-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Reinhard Tartler <siretart@tauware.de>
This commit is contained in:
Laurent Aimar 2011-09-12 20:50:13 +02:00 committed by Reinhard Tartler
parent 4492523938
commit 6f70111e81
1 changed files with 2 additions and 0 deletions
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2
libavformat/smacker.c
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@ -306,6 +306,8 @@ static int smacker_read_packet(AVFormatContext *s, AVPacket *pkt)
}
flags >>= 1;
}
if (frame_size < 0)
return AVERROR_INVALIDDATA;
if (av_new_packet(pkt, frame_size + 768))
return AVERROR(ENOMEM);
if(smk->frm_size[smk->cur_frame] & 1)