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e4a0fa47e8
linux/net
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Paolo Abeni e4a0fa47e8 mptcp: corner case locking for rx path fields initialization 
Most MPTCP-level related fields are under the mptcp data lock
protection, but are written one-off without such lock at MPC
complete time, both for the client and the server

Leverage the mptcp_propagate_state() infrastructure to move such
initialization under the proper lock client-wise.

The server side critical init steps are done by
mptcp_subflow_fully_established(): ensure the caller properly held the
relevant lock, and avoid acquiring the same lock in the nested scopes.

There are no real potential races, as write access to such fields
is implicitly serialized by the MPTCP state machine; the primary
goal is consistency.

Fixes: d22f4988ff ("mptcp: process MP_CAPABLE data option")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-02-12 10:08:13 +00:00
..
6lowpan net: fill in MODULE_DESCRIPTION()s for 6LoWPAN 2024-02-09 14:12:01 -08:00
9p net: 9p: avoid freeing uninit memory in p9pdu_vreadf 2023-12-13 05:44:30 +09:00
802 net: fill in MODULE_DESCRIPTION()s under net/802* 2023-10-28 11:29:28 +01:00
8021q vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING 2024-01-19 21:25:06 -08:00
appletalk net: remove SOCK_DEBUG leftovers 2023-12-26 20:31:01 +00:00
atm net: fill in MODULE_DESCRIPTION()s for mpoa 2024-02-09 14:12:01 -08:00
ax25 net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
batman-adv batman-adv: mcast: fix memory leak on deleting a batman-adv interface 2024-01-27 09:13:39 +01:00
bluetooth TTY/Serial changes for 6.8-rc1 2024-01-18 11:37:24 -08:00
bpf bpf: Fix dtor CFI 2023-12-15 16:25:55 -08:00
bridge bridge: mcast: fix disabled snooping after long uptime 2024-01-30 18:06:56 -08:00
caif net: fill in MODULE_DESCRIPTION()s for CAIF 2024-01-05 08:06:35 -08:00
can Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-10-12 17:07:34 -07:00
ceph libceph: remove MAX_EXTENTS check for sparse reads 2024-01-15 15:40:50 +01:00
core net-device: move lstats in net_device_read_txrx 2024-02-12 09:51:26 +00:00
dcb net: dcb: choose correct policy to parse DCB_ATTR_BCN 2023-08-01 21:07:46 -07:00
dccp net: remove SOCK_DEBUG leftovers 2023-12-26 20:31:01 +00:00
devlink devlink: avoid potential loop in devlink_rel_nested_in_notify_work() 2024-02-06 18:45:16 -08:00
dns_resolver Networking changes for 6.8. 2024-01-11 10:07:29 -08:00
dsa net: dsa: fix netdev_priv() dereference before check on non-DSA netdevice events 2024-01-11 16:33:52 -08:00
ethernet
ethtool ethtool: netlink: Add missing ethnl_ops_begin/complete 2024-01-18 13:21:06 +01:00
handshake net/handshake: Fix handshake_req_destroy_test1 2024-02-08 18:32:29 -08:00
hsr net: hsr: remove WARN_ONCE() in send_hsr_supervision_frame() 2024-01-29 11:29:55 +00:00
ieee802154 mac802154: Avoid new associations while disassociating 2023-12-15 11:14:57 +01:00
ife net: sched: ife: fix potential use-after-free 2023-12-15 10:50:18 +00:00
ipv4 tcp: move tp->scaling_ratio to tcp_sock_read_txrx group 2024-02-12 09:51:26 +00:00
ipv6 net: fill in MODULE_DESCRIPTION()s for ipv6 modules 2024-02-09 14:12:01 -08:00
iucv iucv: make iucv_bus const 2023-12-29 07:46:38 +00:00
kcm net: kcm: fix direct access to bv_len 2024-01-03 18:37:22 -08:00
key net: fill in MODULE_DESCRIPTION()s for af_key 2024-02-09 14:12:01 -08:00
l2tp ipv6: annotate data-races around np->ucast_oif 2023-12-11 10:59:17 +00:00
l3mdev
lapb
llc llc: call sock_orphan() at release time 2024-01-30 13:49:09 +01:00
mac80211 wifi: mac80211: accept broadcast probe responses on 6 GHz 2024-02-02 13:11:59 +01:00
mac802154 mac802154: Avoid new associations while disassociating 2023-12-15 11:14:57 +01:00
mctp mctp: perform route lookups under a RCU read-side lock 2023-10-10 19:43:22 -07:00
mpls networking: Update to register_net_sysctl_sz 2023-08-15 15:26:18 -07:00
mptcp mptcp: corner case locking for rx path fields initialization 2024-02-12 10:08:13 +00:00
ncsi net/ncsi: Add NC-SI 1.2 Get MC MAC Address command 2023-11-18 15:00:51 +00:00
netfilter netfilter: nft_set_pipapo: remove scratch_aligned pointer 2024-02-08 12:24:02 +01:00
netlabel calipso: fix memory leak in netlbl_calipso_add_pass() 2023-12-07 14:23:12 -05:00
netlink netlink: fix potential sleeping issue in mqueue_flush_file 2024-01-23 11:21:18 +01:00
netrom net: implement lockless SO_PRIORITY 2023-10-01 19:09:54 +01:00
nfc nfc: nci: free rx_data_reassembly skb on NCI device cleanup 2024-01-29 12:05:31 +00:00
nsh
openvswitch net: openvswitch: limit the number of recursions from action sets 2024-02-09 12:54:38 -08:00
packet net: fill in MODULE_DESCRIPTION() for AF_PACKET 2024-01-05 08:06:35 -08:00
phonet
psample genetlink: Use internal flags for multicast groups 2023-12-29 08:43:59 +00:00
qrtr net: qrtr: ns: Return 0 if server port is not present 2024-01-01 18:41:29 +00:00
rds net/rds: Fix UBSAN: array-index-out-of-bounds in rds_cmsg_recv 2024-01-22 11:24:00 +00:00
rfkill Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2023-12-21 22:17:23 +01:00
rose net/rose: fix races in rose_kill_by_device() 2023-12-15 11:59:53 +00:00
rxrpc rxrpc: Fix counting of new acks and nacks 2024-02-05 12:34:07 +00:00
sched net: fill in MODULE_DESCRIPTION()s for net/sched 2024-02-09 14:12:02 -08:00
sctp sctp: fix busy polling 2024-01-04 10:29:18 +00:00
smc net/smc: fix incorrect SMC-D link group matching logic 2024-01-26 14:06:05 -08:00
strparser
sunrpc NFSv4.1: Assign the right value for initval and retries for rpc timeout 2024-01-29 13:39:48 -05:00
switchdev
tipc tipc: Check the bearer type before calling tipc_udp_nl_bearer_add() 2024-02-06 08:49:26 +01:00
tls net: tls: fix returned read length with async decrypt 2024-02-10 21:38:19 +00:00
unix af_unix: Call kfree_skb() for dead unix_(sk)->oob_skb in GC. 2024-02-06 18:33:07 -08:00
vmw_vsock vsock/virtio: use skb_frag_*() helpers 2024-01-03 18:37:16 -08:00
wireless wifi: cfg80211: detect stuck ECSA element in probe resp 2024-02-02 13:08:58 +01:00
x25 net: remove SOCK_DEBUG leftovers 2023-12-26 20:31:01 +00:00
xdp xsk: make xsk_buff_pool responsible for clearing xdp_buff::flags 2024-01-24 16:24:06 -08:00
xfrm net: fill in MODULE_DESCRIPTION()s for xfrm 2024-02-09 14:12:01 -08:00
compat.c file: stop exposing receive_fd_user() 2023-12-12 14:24:14 +01:00
devres.c
Kconfig bpfilter: remove bpfilter 2024-01-04 10:23:10 -08:00
Kconfig.debug
Makefile bpfilter: remove bpfilter 2024-01-04 10:23:10 -08:00
socket.c vfs-6.8.iov_iter 2024-01-08 11:43:04 -08:00
sysctl_net.c sysctl: Add size to register_net_sysctl function 2023-08-15 15:26:17 -07:00