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22312eeab33e71a887e6ade5de08339949f2907b
linux/net
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Hyunwoo Kim 22312eeab3 net/x25: Fix to not accept on connected socket 
[ Upstream commit f2b0b5210f ]

When listen() and accept() are called on an x25 socket
that connect() succeeds, accept() succeeds immediately.
This is because x25_connect() queues the skb to
sk->sk_receive_queue, and x25_accept() dequeues it.

This creates a child socket with the sk of the parent
x25 socket, which can cause confusion.

Fix x25_listen() to return -EINVAL if the socket has
already been successfully connect()ed to avoid this issue.

Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-02-09 11:28:13 +01:00
..
6lowpan
net: 6lowpan: constify lowpan_nhc structures
2022-06-09 21:53:28 +02:00
9p
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
802
mrp: introduce active flags to prevent UAF when applicant uninit
2022-12-31 13:33:02 +01:00
8021q
net: gro: skb_gro_header helper function
2022-08-25 10:33:21 +02:00
appletalk
net: remove noblock parameter from skb_recv_datagram()
2022-04-06 13:45:26 +01:00
atm
net/atm: fix proc_mpc_write incorrect return value
2022-10-15 11:08:36 +01:00
ax25
ax25: move from strlcpy with unused retval to strscpy
2022-08-22 17:55:50 -07:00
batman-adv
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-09-22 13:02:10 -07:00
bluetooth
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
bpf
bpf: Move skb->len == 0 checks into __bpf_redirect
2022-12-31 13:32:14 +01:00
bpfilter
uaccess: remove CONFIG_SET_FS
2022-02-25 09:36:06 +01:00
bridge
netfilter: br_netfilter: disable sabotage_in hook after first suppression
2023-02-09 11:28:08 +01:00
caif
caif: fix memory leak in cfctrl_linkup_request()
2023-01-12 12:02:33 +01:00
can
can: raw: fix CAN FD frame transmissions over CAN XL devices
2023-02-09 11:28:10 +01:00
ceph
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
core
skb: Do mix page pool and page referenced frags in GRO
2023-02-09 11:28:05 +01:00
dcb
net: dcb: disable softirqs in dcbnl_flush_dev()
2022-03-03 08:01:55 -08:00
dccp
dccp/tcp: Fixup bhash2 bucket when connect() fails.
2022-11-22 20:15:37 -08:00
dns_resolver
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
dsa
net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path
2022-12-31 13:32:29 +01:00
ethernet
net: gro: skb_gro_header helper function
2022-08-25 10:33:21 +02:00
ethtool
net/ethtool/ioctl: return -EOPNOTSUPP if we have no phy stats
2023-01-24 07:24:31 +01:00
hsr
hsr: Synchronize sequence number updates.
2022-12-31 13:32:22 +01:00
ieee802154
net: ieee802154: fix error return code in dgram_bind()
2022-10-07 09:29:17 +02:00
ife
net: remove redundant 'depends on NET'
2021-01-27 17:04:12 -08:00
ipv4
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
ipv6
ip/ip6_gre: Fix non-point-to-point tunnel not generating IPv6 link local address
2023-02-09 11:28:09 +01:00
iucv
net: keep sk->sk_forward_alloc as small as possible
2022-06-10 16:21:27 -07:00
kcm
kcm: close race conditions on sk_receive_queue
2022-11-15 12:42:26 +01:00
key
xfrm: Fix oops in __xfrm_state_delete()
2022-11-22 07:14:55 +01:00
l2tp
l2tp: prevent lockdep issue in l2tp_tunnel_register()
2023-02-01 08:34:24 +01:00
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
net: lapb: Use list_for_each_entry() to simplify code in lapb_iface.c
2021-06-08 16:31:25 -07:00
llc
net: rename reference+tracking helpers
2022-06-09 21:52:55 -07:00
mac80211
mac80211: Fix MLO address translation for multiple bss case
2023-02-06 08:06:31 +01:00
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: Use u64_stats_fetch_begin_irq() for stats fetch.
2022-08-29 13:02:27 +01:00
mptcp
mptcp: netlink: respect v4/v6-only sockets
2023-01-24 07:24:37 +01:00
ncsi
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
netfilter
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
netlabel
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
netlink
netlink: annotate data races around sk_state
2023-02-01 08:34:45 +01:00
netrom
netrom: Fix use-after-free caused by accept on already connected socket
2023-02-09 11:28:06 +01:00
nfc
net: nfc: Fix use-after-free in local_cleanup()
2023-02-01 08:34:17 +01:00
nsh
…
openvswitch
net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
2023-02-09 11:28:11 +01:00
packet
packet: do not set TP_STATUS_CSUM_VALID on CHECKSUM_COMPLETE
2022-11-29 08:30:18 -08:00
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: start MHI channel after endpoit creation
2022-08-15 11:21:42 +01:00
rds
treewide: use get_random_{u8,u16}() when possible, part 2
2022-10-11 17:42:58 -06:00
rfkill
rfkill: make new event layout opt-in
2022-03-18 13:09:17 +02:00
rose
rose: Fix NULL pointer dereference in rose_send_frame()
2022-11-02 11:57:30 +00:00
rxrpc
rxrpc: Fix missing unlock in rxrpc_do_sendmsg()
2022-12-31 13:32:55 +01:00
sched
net/sched: sch_taprio: do not schedule in taprio_reset()
2023-02-01 08:34:46 +01:00
sctp
sctp: do not check hb_timer.expires when resetting hb_timer
2023-02-09 11:28:09 +01:00
smc
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
strparser
strparser: pad sk_skb_cb to avoid straddling cachelines
2022-07-08 18:38:44 -07:00
sunrpc
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
switchdev
net: rename reference+tracking helpers
2022-06-09 21:52:55 -07:00
tipc
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
tls
net/tls: tls_is_tx_ready() checked list_entry
2023-02-09 11:28:08 +01:00
unix
unix: Fix race in SOCK_SEQPACKET's unix_dgram_sendmsg()
2022-12-31 13:32:54 +01:00
vmw_vsock
net: vmw_vsock: vmci: Check memcpy_from_msg()
2022-12-31 13:32:26 +01:00
wireless
wifi: cfg80211: Fix not unregister reg_pdev when load_builtin_regdb_keys() fails
2022-12-31 13:32:20 +01:00
x25
net/x25: Fix to not accept on connected socket
2023-02-09 11:28:13 +01:00
xdp
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-10-03 17:44:18 -07:00
xfrm
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
compat.c
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
devres.c
net: devres: Correct a grammatical error
2021-06-11 12:55:28 -07:00
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
use less confusing names for iov_iter direction initializers
2023-02-09 11:28:04 +01:00
sysctl_net.c
sections: move and rename core_kernel_data() to is_kernel_core_data()
2021-11-09 10:02:50 -08:00