mptcp: add validity check for sending RM_ADDR
authorGeliang Tang <geliang.tang@suse.com>
Mon, 13 Nov 2023 23:16:15 +0000 (00:16 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 28 Nov 2023 17:20:13 +0000 (17:20 +0000)
commit43fa3b0d7bc2a7f0679c153e485110e5e35cfcf2
tree0337f754858077fafdf414790c896ba135036306
parent57ced2eb77343a91d28f4a73675b05fe7b555def
mptcp: add validity check for sending RM_ADDR

commit 8df220b29282e8b450ea57be62e1eccd4996837c upstream.

This patch adds the validity check for sending RM_ADDRs for userspace PM
in mptcp_pm_remove_addrs(), only send a RM_ADDR when the address is in the
anno_list or conn_list.

Fixes: 8b1c94da1e48 ("mptcp: only send RM_ADDR in nl_cmd_remove")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20231114-upstream-net-20231113-mptcp-misc-fixes-6-7-rc2-v1-3-7b9cd6a7b7f4@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/mptcp/pm_netlink.c