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matroskadec: fix integer overflow

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patch from reimar

Originally committed as revision 24803 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Aurelien Jacobs 2010-08-17 14:05:23 +00:00
parent aa78a6d657
commit 4f90688b6e
1 changed files with 3 additions and 0 deletions
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3
libavformat/matroskadec.c
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@ -901,6 +901,9 @@ static int matroska_decode_buffer(uint8_t** buf, int* buf_size,
int result = 0; int result = 0;
int olen; int olen;
if (pkt_size >= 10000000)
return -1;
switch (encodings[0].compression.algo) { switch (encodings[0].compression.algo) {
case MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP: case MATROSKA_TRACK_ENCODING_COMP_HEADERSTRIP:
return encodings[0].compression.settings.size; return encodings[0].compression.settings.size;