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android_kernel_samsung_sm8650/net
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Paolo Abeni c2c46a7028 mptcp: consolidate fallback and non fallback state machine 
commit 81c1d029016001f994ce1c46849c5e9900d8eab8 upstream.

An orphaned msk releases the used resources via the worker,
when the latter first see the msk in CLOSED status.

If the msk status transitions to TCP_CLOSE in the release callback
invoked by the worker's final release_sock(), such instance of the
workqueue will not take any action.

Additionally the MPTCP code prevents scheduling the worker once the
socket reaches the CLOSE status: such msk resources will be leaked.

The only code path that can trigger the above scenario is the
__mptcp_check_send_data_fin() in fallback mode.

Address the issue removing the special handling of fallback socket
in __mptcp_check_send_data_fin(), consolidating the state machine
for fallback and non fallback socket.

Since non-fallback sockets do not send and do not receive data_fin,
the mptcp code can update the msk internal status to match the next
step in the SM every time data fin (ack) should be generated or
received.

As a consequence we can remove a bunch of checks for fallback from
the fastpath.

Fixes: 6e628cd3a8 ("mptcp: use mptcp release_cb for delayed tasks")
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 <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-06-28 11:12:24 +02:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p 9p/xen : Fix use after free bug in xen_9pfs_front_remove due to race condition 2023-04-20 12:35:08 +02:00
802 mrp: introduce active flags to prevent UAF when applicant uninit 2022-12-31 13:33:02 +01:00
8021q vlan: fix a potential uninit-value in vlan_dev_hard_start_xmit() 2023-05-24 17:32:47 +01:00
appletalk net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
atm atm: hide unused procfs functions 2023-06-09 10:34:16 +02:00
ax25 ax25: move from strlcpy with unused retval to strscpy 2022-08-22 17:55:50 -07:00
batman-adv batman-adv: Broken sync while rescheduling delayed work 2023-06-14 11:15:23 +02:00
bluetooth Bluetooth: fix debugfs registration 2023-06-14 11:15:28 +02:00
bpf Revert "bpf, test_run: fix &xdp_frame misplacement for LIVE_FRAMES" 2023-03-17 08:50:32 +01:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge bridge: always declare tunnel functions 2023-05-24 17:32:48 +01:00
caif net: caif: Fix use-after-free in cfusbl_device_notify() 2023-03-17 08:50:24 +01:00
can can: j1939: avoid possible use-after-free when j1939_can_rx_register fails 2023-06-14 11:15:26 +02:00
ceph use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
core neighbour: delete neigh_lookup_nodev as not used 2023-06-21 16:01:03 +02:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp netfilter: keep conntrack reference until IPsecv6 policy checks are done 2023-05-11 23:03:18 +09:00
dns_resolver
dsa net: dsa: tag_brcm: legacy: fix daisy-chained switches 2023-03-30 12:49:09 +02:00
ethernet net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
ethtool ethtool: Fix uninitialized number of lanes 2023-05-17 11:53:37 +02:00
hsr hsr: ratelimit only when errors are printed 2023-04-06 12:10:58 +02:00
ieee802154 net: ieee802154: fix error return code in dgram_bind() 2022-10-07 09:29:17 +02:00
ife
ipv4 tcp: gso: really support BIG TCP 2023-06-14 11:15:20 +02:00
ipv6 ping6: Fix send to link-local addresses with VRF. 2023-06-21 16:00:58 +02:00
iucv net/iucv: Fix size of interrupt data 2023-03-22 13:33:50 +01:00
kcm kcm: close race conditions on sk_receive_queue 2022-11-15 12:42:26 +01:00
key af_key: Reject optional tunnel/BEET mode templates in outbound policies 2023-05-24 17:32:43 +01:00
l2tp inet6: Remove inet6_destroy_sock() in sk->sk_prot->destroy(). 2023-04-26 14:28:43 +02:00
l3mdev l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu 2022-04-15 14:27:24 -07:00
lapb
llc net: deal with most data-races in sk_wait_event() 2023-05-24 17:32:32 +01:00
mac80211 wifi: mac80211: take lock before setting vif links 2023-06-21 16:00:59 +02:00
mac802154 mac802154: fix missing INIT_LIST_HEAD in ieee802154_if_add() 2022-12-05 09:53:08 +01:00
mctp net: mctp: purge receive queues on sk destruction 2023-02-06 08:06:34 +01:00
mpls net: mpls: fix stale pointer if allocation fails during device rename 2023-02-22 12:59:53 +01:00
mptcp mptcp: consolidate fallback and non fallback state machine 2023-06-28 11:12:24 +02:00
ncsi net/ncsi: clear Tx enable mode when handling a Config required AEN 2023-05-17 11:53:32 +02:00
netfilter netfilter: nf_tables: incorrect error path handling with NFT_MSG_NEWRULE 2023-06-21 16:00:58 +02:00
netlabel genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink net/netlink: fix NETLINK_LIST_MEMBERSHIPS length report 2023-06-09 10:34:03 +02:00
netrom netrom: fix info-leak in nr_write_internal() 2023-06-09 10:34:01 +02:00
nfc nfc: change order inside nfc_se_io error path 2023-03-17 08:50:17 +01:00
nsh net: nsh: Use correct mac_offset to unwind gso skb in nsh_gso_segment() 2023-05-24 17:32:45 +01:00
openvswitch net: openvswitch: fix race on port output 2023-04-20 12:35:09 +02:00
packet af_packet: do not use READ_ONCE() in packet_bind() 2023-06-09 10:34:02 +02:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
qrtr net: qrtr: Fix an uninit variable access bug in qrtr_tx_resume() 2023-04-20 12:35:09 +02:00
rds rds: rds_rm_zerocopy_callback() correct order for list_add_tail() 2023-03-10 09:33:02 +01:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose net/rose: Fix to not accept on connected socket 2023-02-22 12:59:42 +01:00
rxrpc rxrpc: Fix hard call timeout units 2023-05-17 11:53:35 +02:00
sched net/sched: act_api: add specific EXT_WARN_MSG for tc action 2023-06-21 16:01:02 +02:00
sctp sctp: fix an error code in sctp_sf_eat_auth() 2023-06-21 16:01:00 +02:00
smc net/smc: Avoid to access invalid RMBs' MRs in SMCRv1 ADD LINK CONT 2023-06-14 11:15:17 +02:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc nfsd: fix double fget() bug in __write_ports_addfd() 2023-06-09 10:34:04 +02:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc net: tipc: resize nlattr array to correct size 2023-06-21 16:01:02 +02:00
tls tls: rx: strp: don't use GFP_KERNEL in softirq context 2023-06-09 10:34:29 +02:00
unix bpf, sockmap: Pass skb ownership through read_skb 2023-06-05 09:26:18 +02:00
vmw_vsock vsock: avoid to close connected socket after the timeout 2023-05-24 17:32:44 +01:00
wireless wifi: cfg80211: fix link del callback to call correct handler 2023-06-21 16:00:59 +02:00
x25 net/x25: Fix to not accept on connected socket 2023-02-09 11:28:13 +01:00
xdp xsk: Fix unaligned descriptor validation 2023-05-11 23:03:21 +09:00
xfrm xfrm: Check if_id in inbound policy/secpath match 2023-06-09 10:34:10 +02:00
compat.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
devres.c
Kconfig Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
Kconfig.debug net: make NET_(DEV|NS)_REFCNT_TRACKER depend on NET 2022-09-20 14:23:56 -07:00
Makefile Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
socket.c net: annotate sk->sk_err write from do_recvmmsg() 2023-05-24 17:32:32 +01:00
sysctl_net.c