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selinux: fix broken peer recv check

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Fix a broken networking check. Return an error if peer recv fails.  If
secmark is active and the packet recv succeeds the peer recv error is
ignored.

Signed-off-by: Chad Hanson <chanson@trustedcs.com>
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Chad Hanson 2013-12-11 17:07:56 -05:00 committed by Paul Moore
parent 5c6c26813a
commit 598cdbcf86
1 changed files with 3 additions and 1 deletions
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4
security/selinux/hooks.c
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@ -4338,8 +4338,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
} }
err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER, err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER,
PEER__RECV, &ad); PEER__RECV, &ad);
if (err) if (err) {
selinux_netlbl_err(skb, err, 0); selinux_netlbl_err(skb, err, 0);
return err;
}
} }
if (secmark_active) { if (secmark_active) {