selinux: don't revalidate inodes in selinux_socket_getpeersec_dgram()
We don't have to worry about socket inodes being invalidated so use inode_security_novalidate() to fetch the inode's security blob. Signed-off-by: Paul Moore <paul@paul-moore.com>
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@ -4598,6 +4598,7 @@ static int selinux_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *
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{
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u32 peer_secid = SECSID_NULL;
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u16 family;
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struct inode_security_struct *isec;
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if (skb && skb->protocol == htons(ETH_P_IP))
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family = PF_INET;
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@ -4608,9 +4609,10 @@ static int selinux_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *
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else
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goto out;
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if (sock && family == PF_UNIX)
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selinux_inode_getsecid(SOCK_INODE(sock), &peer_secid);
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else if (skb)
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if (sock && family == PF_UNIX) {
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isec = inode_security_novalidate(SOCK_INODE(sock));
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peer_secid = isec->sid;
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} else if (skb)
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selinux_skb_peerlbl_sid(skb, family, &peer_secid);
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out:
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