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lmlm4: check packet_size against lower limit too
author
Michael Niedermayer
<michaelni@gmx.at>
Tue, 19 Mar 2013 15:30:44 +0000
(16:30 +0100)
committer
Michael Niedermayer
<michaelni@gmx.at>
Tue, 19 Mar 2013 15:30:44 +0000
(16:30 +0100)
Fixes CID732224
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
libavformat/lmlm4.c
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diff --git
a/libavformat/lmlm4.c
b/libavformat/lmlm4.c
index
29ee2a3
..
c8ea421
100644
(file)
--- a/
libavformat/lmlm4.c
+++ b/
libavformat/lmlm4.c
@@
-93,8
+93,8
@@
static int lmlm4_read_packet(AVFormatContext *s, AVPacket *pkt) {
av_log(s, AV_LOG_ERROR, "invalid or unsupported frame_type\n");
return AVERROR(EIO);
}
- if (packet_size > LMLM4_MAX_PACKET_SIZE) {
- av_log(s, AV_LOG_ERROR, "packet size
exceeds maximum\n"
);
+ if (packet_size > LMLM4_MAX_PACKET_SIZE
|| packet_size<=8
) {
+ av_log(s, AV_LOG_ERROR, "packet size
%d is invalid\n", packet_size
);
return AVERROR(EIO);
}