linux

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Geliang Tang 535d620ea5 mptcp: map v4 address to v6 when destroying subflow

Address family of server side mismatches with that of client side, like
in "userspace pm add & remove address" test:

    userspace_pm_add_addr $ns1 10.0.2.1 10
    userspace_pm_rm_sf $ns1 "::ffff:10.0.2.1" $SUB_ESTABLISHED

That's because on the server side, the family is set to AF_INET6 and the
v4 address is mapped in a v6 one.

This patch fixes this issue. In mptcp_pm_nl_subflow_destroy_doit(), before
checking local address family with remote address family, map an IPv4
address to an IPv6 address if the pair is a v4-mapped address.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/387
Fixes: 702c2f646d42 ("mptcp: netlink: allow userspace-driven subflow establishment")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://lore.kernel.org/r/20240223-upstream-net-20240223-misc-fixes-v1-1-162e87e48497@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2024-02-26 18:41:55 -08:00

bpf.c

bpf: Add update_socket_protocol hook

2023-08-16 10:22:16 -07:00

crypto_test.c

mptcp: fill in missing MODULE_DESCRIPTION()

2023-12-17 20:54:22 +00:00

crypto.c

kunit: mptcp: adhere to KUNIT formatting standard

2021-04-16 17:10:40 -07:00

ctrl.c

mptcp: add a new sysctl for make after break timeout