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netrom: fix invalid use of sizeof in nr_recvmsg()

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sizeof() when applied to a pointer typed expression gives the size of the
pointer, not that of the pointed data.
Introduced by commit 3ce5ef(netrom: fix info leak via msg_name in nr_recvmsg)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Wei Yongjun 2013-04-09 10:07:19 +08:00 • committed by David S. Miller
parent 65d8013cbd
commit c802d75962
1 changed files with 1 additions and 1 deletions
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2
net/netrom/af_netrom.c
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@ -1173,7 +1173,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock,
}
if (sax != NULL) {
memset(sax, 0, sizeof(sax));
memset(sax, 0, sizeof(*sax));
sax->sax25_family = AF_NETROM;
skb_copy_from_linear_data_offset(skb, 7, sax->sax25_call.ax25_call,
AX25_ADDR_LEN);