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Paolo Abeni c8e74731ff mptcp: fix setsockopt(IP_TOS) subflow locking 
commit 7679d34f97b7a09fd565f5729f79fd61b7c55329 upstream.

The MPTCP implementation of the IP_TOS socket option uses the lockless
variant of the TOS manipulation helper and does not hold such lock at
the helper invocation time.

Add the required locking.

Fixes: ffcacff87cd6 ("mptcp: Support for IP_TOS for MPTCP setsockopt()")
Cc: stable@vger.kernel.org
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/457
Signed-off-by: Paolo Abeni <pabeni@redhat.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-v1-4-7b9cd6a7b7f4@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-11-28 17:15:15 +00:00
..
6lowpan
6lowpan: Remove redundant initialisation.
2023-03-29 08:22:52 +01:00
9p
9p: v9fs_listxattr: fix %s null argument warning
2023-11-28 17:14:50 +00:00
802
treewide: Convert del_timer*() to timer_shutdown*()
2022-12-25 13:38:09 -08:00
8021q
Revert "vlan: Fix VLAN 0 memory leak"
2023-08-14 08:14:00 +01:00
appletalk
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
atm
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
ax25
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
batman-adv
batman-adv: Hold rtnl lock during MTU update via netlink
2023-08-22 17:25:10 -07:00
bluetooth
Bluetooth: Fix double free in hci_conn_cleanup
2023-11-28 17:14:43 +00:00
bpf
bpf: Move kernel test kfuncs to bpf_testmod
2023-05-16 22:09:24 -07:00
bpfilter
net: Use umd_cleanup_helper()
2023-05-31 13:06:57 +02:00
bridge
netfilter: nf_conntrack_bridge: initialize err to 0
2023-11-28 17:14:55 +00:00
caif
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
can
can: isotp: isotp_sendmsg(): fix TX state detection and wait behavior
2023-10-19 23:10:59 +02:00
ceph
libceph: use kernel_connect()
2023-10-19 23:11:05 +02:00
core
net: annotate data-races around sk->sk_dst_pending_confirm
2023-11-28 17:14:42 +00:00
dcb
net: dcb: choose correct policy to parse DCB_ATTR_BCN
2023-08-01 21:07:46 -07:00
dccp
dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses.
2023-11-20 11:57:22 +01:00
devlink
devlink: Hold devlink lock on health reporter dump get
2023-10-19 23:10:59 +02:00
dns_resolver
cred: Do not default to init_cred in prepare_kernel_cred()
2022-11-01 10:04:52 -07:00
dsa
net: dsa: fix older DSA drivers using phylink
2023-07-27 17:19:46 -07:00
ethernet
net: ethernet: use sysfs_emit() to instead of scnprintf()
2022-12-07 20:02:44 -08:00
ethtool
ethtool: plca: fix plca enable data type while parsing the value
2023-10-10 22:03:02 +02:00
handshake
net/handshake: fix file ref count in handshake_nl_accept_doit()
2023-11-02 09:36:54 +01:00
hsr
hsr: Prevent use after free in prp_create_tagged_frame()
2023-11-20 11:57:22 +01:00
ieee802154
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
ife
…
ipv4
net: set SOCK_RCU_FREE before inserting socket into hashtable
2023-11-28 17:14:54 +00:00
ipv6
dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses.
2023-11-20 11:57:22 +01:00
iucv
net/iucv: Fix size of interrupt data
2023-03-16 17:34:40 -07:00
kcm
kcm: Fix error handling for SOCK_DGRAM in kcm_sendmsg().
2023-09-19 12:30:30 +02:00
key
net: af_key: fix sadb_x_filter validation
2023-06-29 10:47:29 +02:00
l2tp
udp: annotate data-races around udp->encap_type
2023-11-20 11:56:47 +01:00
l3mdev
…
lapb
…
llc
llc: verify mac len before reading mac header
2023-11-20 11:57:21 +01:00
mac80211
wifi: mac80211: don't return unset power in ieee80211_get_tx_power()
2023-11-28 17:14:41 +00:00
mac802154
Core WPAN changes:
2023-06-24 15:41:46 -07:00
mctp
mctp: perform route lookups under a RCU read-side lock
2023-10-19 23:11:06 +02:00
mpls
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
mptcp
mptcp: fix setsockopt(IP_TOS) subflow locking
2023-11-28 17:15:15 +00:00
ncsi
Revert ncsi: Propagate carrier gain/loss events to the NCSI controller
2023-11-28 17:15:12 +00:00
netfilter
netfilter: nf_tables: split async and sync catchall in two functions
2023-11-28 17:15:06 +00:00
netlabel
netlabel: Reorder fields in 'struct netlbl_domaddr6_map'
2023-06-20 20:06:56 -07:00
netlink
netlink: annotate data-races around sk->sk_err
2023-10-10 22:03:03 +02:00
netrom
netrom: Deny concurrent connect().
2023-09-13 09:53:12 +02:00
nfc
nfc: nci: fix possible NULL pointer dereference in send_acknowledge()
2023-10-25 12:16:10 +02:00
nsh
net: move gso declarations and functions to their own files
2023-06-10 00:11:41 -07:00
openvswitch
net/sched: act_ct: Always fill offloading tuple iifidx
2023-11-20 11:57:24 +01:00
packet
af_packet: Fix fortified memcpy() without flex array.
2023-10-19 23:11:01 +02:00
phonet
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
psample
…
qrtr
Networking changes for 6.5.
2023-06-28 16:43:10 -07:00
rds
net: prevent address rewrite in kernel_bind()
2023-10-19 23:10:56 +02:00
rfkill
net: rfkill: reduce data->mtx scope in rfkill_fop_open
2023-10-25 12:16:30 +02:00
rose
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
rxrpc
rxrpc: Fix two connection reaping bugs
2023-11-20 11:57:22 +01:00
sched
net: sched: do not offload flows with a helper in act_ct
2023-11-28 17:14:57 +00:00
sctp
sctp: update hb timer immediately after users change hb_interval
2023-10-10 22:03:03 +02:00
smc
net/smc: put sk reference if close work was canceled
2023-11-20 11:57:23 +01:00
strparser
…
sunrpc
svcrdma: Drop connection after an RDMA Read error
2023-11-28 17:15:05 +00:00
switchdev
…
tipc
tipc: Fix kernel-infoleak due to uninitialized TLV value
2023-11-28 17:14:55 +00:00
tls
tls: Use size_add() in call to struct_size()
2023-11-20 11:56:48 +01:00
unix
af_unix: fix use-after-free in unix_stream_read_actor()
2023-11-28 17:14:55 +00:00
vmw_vsock
vsock: read from socket's error queue
2023-11-28 17:14:43 +00:00
wireless
wifi: cfg80211: fix off-by-one in element defrag
2023-11-20 11:56:46 +01:00
x25
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
xdp
xdp: Fix zero-size allocation warning in xskq_create()
2023-10-19 23:11:00 +02:00
xfrm
net: xfrm: skip policies marked as dead while reinserting policies
2023-10-25 12:16:13 +02:00
compat.c
net/compat: Update msg_control_is_user when setting a kernel pointer
2023-04-14 11:09:27 +01:00
devres.c
…
Kconfig
net/core: Enable socket busy polling on -RT
2023-05-26 08:51:26 +01:00
Kconfig.debug
…
Makefile
net/handshake: Create a NETLINK service for handling handshake requests
2023-04-19 18:48:48 -07:00
socket.c
net: prevent address rewrite in kernel_bind()
2023-10-19 23:10:56 +02:00
sysctl_net.c
…