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Prevent overflow on random input.

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Originally committed as revision 24795 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje
2010-08-13 20:06:18 +00:00
parent 67197656d1
commit afbc4d2dac
1 changed files with 2 additions and 1 deletions
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3
libavformat/rtpdec_asf.c
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@ -230,7 +230,8 @@ static int asfrtp_parse_packet(AVFormatContext *s, PayloadContext *asf,
int prev_len = out_len;
out_len += cur_len;
asf->buf = av_realloc(asf->buf, out_len);
memcpy(asf->buf + prev_len, buf + off, cur_len);
memcpy(asf->buf + prev_len, buf + off,
FFMIN(cur_len, len - off));
url_fskip(pb, cur_len);
}
}