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linux-stable/net/mptcp
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Eric Dumazet 51e4cb032d mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect() 
[ Upstream commit be1d9d9d38 ]

subflow_finish_connect() uses four fields (backup, join_id, thmac, none)
that may contain garbage unless OPTION_MPTCP_MPJ_SYNACK has been set
in mptcp_parse_option()

Fixes: f296234c98 ("mptcp: Add handling of incoming MP_JOIN requests")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Peter Krystad <peter.krystad@linux.intel.com>
Cc: Matthieu Baerts <matttbe@kernel.org>
Cc: Mat Martineau <martineau@kernel.org>
Cc: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Simon Horman <horms@kernel.org>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20240111194917.4044654-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-25 15:27:49 -08:00
..
bpf.c bpf: Add bpf_skc_to_mptcp_sock_proto 2022-05-20 15:29:00 -07:00
crypto.c
crypto_test.c
ctrl.c
diag.c
Kconfig
Makefile Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-05-23 16:07:14 -07:00
mib.c mptcp: add more offered MIBs counter 2022-05-05 19:00:16 -07:00
mib.h mptcp: add more offered MIBs counter 2022-05-05 19:00:16 -07:00
mptcp_diag.c tcp: Access &tcp_hashinfo via net. 2022-09-20 10:21:49 -07:00
options.c mptcp: mptcp_parse_option() fix for MPTCPOPT_MP_JOIN 2024-01-25 15:27:49 -08:00
pm.c mptcp: update userspace pm infos 2023-06-14 11:15:27 +02:00
pm_netlink.c mptcp: add validity check for sending RM_ADDR 2023-11-28 17:07:20 +00:00
pm_userspace.c mptcp: userspace pm allow creating id 0 subflow 2023-10-10 22:00:38 +02:00
protocol.c mptcp: deal with large GSO size 2023-11-28 17:07:20 +00:00
protocol.h mptcp: fix delegated action races 2023-10-19 23:08:49 +02:00
sockopt.c mptcp: fix setsockopt(IP_TOS) subflow locking 2023-11-28 17:07:20 +00:00
subflow.c mptcp: use OPTION_MPTCP_MPJ_SYNACK in subflow_finish_connect() 2024-01-25 15:27:49 -08:00
syncookies.c
token.c
token_test.c