selinux: fix broken peer recv check
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>
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 419491d..5db2646 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4334,8 +4334,10 @@
}
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) {