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mptcp: fix security context on server socket

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[ Upstream commit 0c14846032f2c0a3b63234e1fc2759f4155b6067 ]

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 <pabeni@redhat.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paolo Abeni 2020-12-16 12:48:32 +01:00 committed by Greg Kroah-Hartman
parent a969a632cb
commit aeab3d7a04
1 changed files with 2 additions and 0 deletions
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2
net/mptcp/protocol.c
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@ -2081,6 +2081,8 @@ 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 */