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prevent going out of the buffer if the nal size does not fit in the buffer.

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Original thread:
Date: Apr 29, 2007 2:00 PM
Subject: Re: [Ffmpeg-devel] [patch] h264.c, dont go beyond buffer in h264_decode_nal_unit

Originally committed as revision 8858 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mean 2007-04-29 23:18:39 +00:00 committed by Guillaume Poirier
parent 428098165d
commit dcc3a30b58
1 changed files with 1 additions and 1 deletions
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2
libavcodec/h264.c
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@ -8122,7 +8122,7 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
nalsize = 0;
for(i = 0; i < h->nal_length_size; i++)
nalsize = (nalsize << 8) | buf[buf_index++];
if(nalsize <= 1 || nalsize > buf_size){
if(nalsize <= 1 || (nalsize+buf_index > buf_size)){
if(nalsize == 1){
buf_index++;
continue;