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@xxxxxxxxxxxxx>
---
hooks.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d85b793..64826a0 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -4215,8 +4215,10 @@ 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) {
--
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