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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>
Cc: stable@vger.kernel.org
Signed-off-by: Paul Moore <pmoore@redhat.com>
This commit is contained in:
Chad Hanson 2013-12-23 17:45:01 -05:00 committed by Paul Moore
parent f5835372eb
commit 46d01d6322
1 changed files with 3 additions and 1 deletions
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4
security/selinux/hooks.c
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@ -4334,8 +4334,10 @@ static int selinux_socket_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
}
err = avc_has_perm(sk_sid, peer_sid, SECCLASS_PEER,
PEER__RECV, &ad);
if (err)
if (err) {
selinux_netlbl_err(skb, err, 0);
return err;
}
}
if (secmark_active) {