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Kuniyuki Iwashima 9402362b4c af_unix: Use skb_queue_empty_lockless() in unix_release_sock(). 
[ Upstream commit 83690b82d228b3570565ebd0b41873933238b97f ]

If the socket type is SOCK_STREAM or SOCK_SEQPACKET, unix_release_sock()
checks the length of the peer socket's recvq under unix_state_lock().

However, unix_stream_read_generic() calls skb_unlink() after releasing
the lock.  Also, for SOCK_SEQPACKET, __skb_try_recv_datagram() unlinks
skb without unix_state_lock().

Thues, unix_state_lock() does not protect qlen.

Let's use skb_queue_empty_lockless() in unix_release_sock().

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-07-05 09:14:09 +02:00
..
6lowpan
…
9p
net/9p: fix uninit-value in p9_client_rpc()
2024-06-16 13:39:58 +02:00
802
mrp: introduce active flags to prevent UAF when applicant uninit
2022-12-31 13:14:42 +01:00
8021q
vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING
2024-02-23 08:54:27 +01:00
appletalk
appletalk: Fix Use-After-Free in atalk_ioctl
2023-12-20 15:17:37 +01:00
atm
atm: Fix Use-After-Free in do_vcc_ioctl
2023-12-20 15:17:35 +01:00
ax25
net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg
2022-06-22 14:22:01 +02:00
batman-adv
batman-adv: Avoid infinite loop trying to resize local TT
2024-04-17 11:15:13 +02:00
bluetooth
Bluetooth: l2cap: fix null-ptr-deref in l2cap_chan_timeout
2024-05-17 11:50:57 +02:00
bpf
bpf: Set run context for rawtp test_run callback
2024-07-05 09:14:06 +02:00
bpfilter
…
bridge
net: bridge: fix corrupted ethernet header on multicast-to-unicast
2024-05-17 11:50:58 +02:00
caif
net: caif: Fix use-after-free in cfusbl_device_notify()
2023-03-17 08:48:54 +01:00
can
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
2024-02-23 08:55:10 +01:00
ceph
libceph: use kernel_connect()
2023-10-19 23:05:36 +02:00
core
net: inline sock_prot_inuse_add()
2024-07-05 09:14:07 +02:00
dcb
net: dcb: choose correct policy to parse DCB_ATTR_BCN
2023-08-11 15:13:53 +02:00
dccp
net: inet: Retire port only listening_hash
2023-11-28 16:56:22 +00:00
dns_resolver
keys, dns: Fix size check of V1 server-list header
2024-01-25 14:52:46 -08:00
dsa
net: dsa: tag_sja1105: always prefer source port information from INCL_SRCPT
2024-06-16 13:39:54 +02:00
ethernet
ethernet: Add helper for assigning packet type when dest address does not match device address
2024-05-02 16:24:49 +02:00
ethtool
ethtool: netlink: Add missing ethnl_ops_begin/complete
2024-01-25 14:52:54 -08:00
hsr
hsr: Handle failures in module init
2024-03-26 18:21:36 -04:00
ieee802154
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
ife
net: sched: ife: fix potential use-after-free
2024-01-05 15:13:29 +01:00
ipv4
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
ipv6
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
iucv
net/iucv: fix the allocation size of iucv_path_table array
2024-03-26 18:21:13 -04:00
kcm
net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function
2024-03-26 18:21:23 -04:00
key
net: af_key: fix sadb_x_filter validation
2023-08-26 14:23:32 +02:00
l2tp
net l2tp: drop flow hash on forward
2024-05-17 11:50:48 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 14:38:53 +02:00
lapb
…
llc
llc: call sock_orphan() at release time
2024-02-23 08:54:54 +01:00
mac80211
wifi: mac80211: correctly parse Spatial Reuse Parameter Set element
2024-07-05 09:14:05 +02:00
mac802154
mac802154: fix llsec key resources release in mac802154_llsec_key_del
2024-04-10 16:18:39 +02:00
mctp
mctp: perform route lookups under a RCU read-side lock
2023-10-25 11:58:59 +02:00
mpls
net: mpls: fix stale pointer if allocation fails during device rename
2023-02-22 12:57:09 +01:00
mptcp
mptcp: fix full TCP keep-alive support
2024-06-16 13:39:54 +02:00
ncsi
net/ncsi: Fix the multi thread manner of NCSI driver
2024-07-05 09:14:06 +02:00
netfilter
netfilter: nft_payload: skbuff vlan metadata mangle support
2024-06-16 13:39:51 +02:00
netlabel
calipso: fix memory leak in netlbl_calipso_add_pass()
2024-01-25 14:52:33 -08:00
netlink
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
netrom
netrom: fix possible dead-lock in nr_rt_ioctl()
2024-06-16 13:39:33 +02:00
nfc
nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()
2024-06-16 13:39:48 +02:00
nsh
nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment().
2024-05-17 11:50:48 +02:00
openvswitch
openvswitch: Set the skbuff pkt_type for proper pmtud support.
2024-06-16 13:39:47 +02:00
packet
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
phonet
phonet: fix rtm_phonet_notify() skb allocation
2024-05-17 11:50:58 +02:00
psample
psample: Require 'CAP_NET_ADMIN' when joining "packets" group
2023-12-13 18:36:37 +01:00
qrtr
net: qrtr: ns: Fix module refcnt
2024-06-16 13:39:33 +02:00
rds
net/rds: fix possible cp null dereference
2024-04-10 16:19:37 +02:00
rfkill
net: rfkill: gpio: set GPIO direction
2024-01-05 15:13:34 +01:00
rose
net/rose: fix races in rose_kill_by_device()
2024-01-05 15:13:29 +01:00
rxrpc
rxrpc: Fix response to PING RESPONSE ACKs to a dead call
2024-02-23 08:54:58 +01:00
sched
net/sched: taprio: always validate TCA_TAPRIO_ATTR_PRIOMAP
2024-07-05 09:14:07 +02:00
sctp
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
smc
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
strparser
…
sunrpc
sunrpc: exclude from freezer when waiting for requests:
2024-06-16 13:39:55 +02:00
switchdev
…
tipc
tipc: fix UAF in error path
2024-05-17 11:51:04 +02:00
tls
tls: fix missing memory barrier in tls_init
2024-06-16 13:39:48 +02:00
unix
af_unix: Use skb_queue_empty_lockless() in unix_release_sock().
2024-07-05 09:14:09 +02:00
vmw_vsock
virtio/vsock: fix logic which reduces credit update messages
2024-01-25 14:52:38 -08:00
wireless
wifi: cfg80211: pmsr: use correct nla_get_uX functions
2024-07-05 09:14:05 +02:00
x25
net/x25: fix incorrect parameter validation in the x25_getsockopt() function
2024-03-26 18:21:23 -04:00
xdp
net: drop nopreempt requirement on sock_prot_inuse_add()
2024-07-05 09:14:08 +02:00
xfrm
net: fix __dst_negative_advice() race
2024-06-16 13:39:59 +02:00
compat.c
…
devres.c
…
Kconfig
Remove DECnet support from kernel
2023-06-21 15:59:15 +02:00
Makefile
Remove DECnet support from kernel
2023-06-21 15:59:15 +02:00
socket.c
net: Save and restore msg_namelen in sock_sendmsg
2024-01-15 18:51:16 +01:00
sysctl_net.c
…