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authorLaurent Aimar <fenrir@videolan.org>2011-09-12 20:50:13 +0200
committerReinhard Tartler <siretart@tauware.de>2011-09-26 19:26:32 +0200
commit4e7905fa9ee75eed404db4d2cca69f833452bf72 (patch)
treec313b479a2b91846d34602f7ea90a7ee1fda6bc1
parent4ee014309c377f7cfaa9578a393864ae500136f6 (diff)
downloadffmpeg-4e7905fa9ee75eed404db4d2cca69f833452bf72.tar.gz
Check for invalid packet size in the smacker demuxer.
Signed-off-by: Martin Storsjö <martin@martin.st> (cherry picked from commit e055932f5636a82275837968eea9c8fcb5bca474) Signed-off-by: Anton Khirnov <anton@khirnov.net>
-rw-r--r--libavformat/smacker.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/smacker.c b/libavformat/smacker.c
index 135b4ae708..87c59a3049 100644
--- a/libavformat/smacker.c
+++ b/libavformat/smacker.c
@@ -304,6 +304,8 @@ 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)