[PATCH net 1/4] mptcp: fix security context on server socket

[Paolo Abeni]

Currently MPTCP is not propagating the security context
from the ingress request socket to newly created msk
at clone time.

Address the issue invoking the missing security helper.

Fixes: cf7da0d66cc1 ("mptcp: Create SUBFLOW socket for incoming connections")
Signed-off-by: Paolo Abeni <pab...@redhat.com>
---
 net/mptcp/protocol.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index b812aaae8044..d24243a28fce 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -2699,6 +2699,8 @@ struct sock *mptcp_sk_clone(const struct sock *sk,
        sock_reset_flag(nsk, SOCK_RCU_FREE);
        /* will be fully established after successful MPC subflow creation */
        inet_sk_state_store(nsk, TCP_SYN_RECV);
+
+       security_inet_csk_clone(nsk, req);
        bh_unlock_sock(nsk);
 
        /* keep a single reference */
-- 
2.26.2