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Code Issues Releases Activity

Check buffer is inside what is passed when probing for flac.

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Originally committed as revision 16825 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Benoit Fouet 2009-01-27 18:00:40 +00:00
parent ca6532f620
commit 16f753f43f
1 changed files with 2 additions and 1 deletions
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3
libavformat/raw.c
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@ -586,11 +586,12 @@ static int eac3_probe(AVProbeData *p)
static int flac_probe(AVProbeData *p)
{
uint8_t *bufptr = p->buf;
uint8_t *end = p->buf + p->buf_size;
if(ff_id3v2_match(bufptr))
bufptr += ff_id3v2_tag_len(bufptr);
if(memcmp(bufptr, "fLaC", 4)) return 0;
if(bufptr > end-4 || memcmp(bufptr, "fLaC", 4)) return 0;
else return AVPROBE_SCORE_MAX / 2;
}
#endif