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Chuck Lever 115b58b56f Revert "SUNRPC: Use RMW bitops in single-threaded hot paths" 
[ Upstream commit 7827c81f0248e3c2f40d438b020f3d222f002171 ]

The premise that "Once an svc thread is scheduled and executing an
RPC, no other processes will touch svc_rqst::rq_flags" is false.
svc_xprt_enqueue() examines the RQ_BUSY flag in scheduled nfsd
threads when determining which thread to wake up next.

Found via KCSAN.

Fixes: 28df0988815f ("SUNRPC: Use RMW bitops in single-threaded hot paths")
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-21 14:54:10 +02:00
..
6lowpan
6lowpan: iphc: Fix an off-by-one check of array index
2021-09-15 09:50:34 +02:00
9p
net/9p: fix uninit-value in p9_client_rpc()
2024-06-16 13:32:34 +02:00
802
mrp: introduce active flags to prevent UAF when applicant uninit
2023-01-14 10:16:18 +01:00
8021q
vlan: skip nested type that is not IFLA_VLAN_QOS_MAPPING
2024-02-23 08:41:55 +01:00
appletalk
appletalk: Fix Use-After-Free in atalk_ioctl
2023-12-20 15:44:29 +01:00
atm
atm: Fix Use-After-Free in do_vcc_ioctl
2023-12-20 15:44:28 +01:00
ax25
net: ax25: Fix deadlock caused by skb_recv_datagram in ax25_recvmsg
2022-06-22 14:13:17 +02:00
batman-adv
batman-adv: Avoid infinite loop trying to resize local TT
2024-05-02 16:23:33 +02:00
bluetooth
exit: Rename module_put_and_exit to module_put_and_kthread_exit
2024-06-21 14:53:29 +02:00
bpf
bpf: Move skb->len == 0 checks into __bpf_redirect
2023-01-14 10:15:31 +01:00
bpfilter
bpfilter: Specify the log level for the kmsg message
2021-07-14 16:56:29 +02:00
bridge
net: bridge: fix corrupted ethernet header on multicast-to-unicast
2024-05-17 11:48:07 +02:00
caif
net: caif: Fix use-after-free in cfusbl_device_notify()
2023-03-17 08:45:11 +01:00
can
can: j1939: Fix UAF in j1939_sk_match_filter during setsockopt(SO_J1939_FILTER)
2024-02-23 08:42:29 +01:00
ceph
libceph: use kernel_connect()
2023-10-25 11:54:15 +02:00
core
net: give more chances to rcu in netdev_wait_allrefs_any()
2024-06-16 13:32:07 +02:00
dcb
net: dcb: choose correct policy to parse DCB_ATTR_BCN
2023-08-11 11:57:50 +02:00
dccp
dccp/tcp: Call security_inet_conn_request() after setting IPv6 addresses.
2023-11-20 11:06:55 +01:00
decnet
Remove DECnet support from kernel
2023-06-21 15:45:38 +02:00
dns_resolver
keys, dns: Fix size check of V1 server-list header
2024-01-25 14:37:50 -08:00
dsa
net: dsa: tag_sja1105: fix MAC DA patching from meta frames
2023-07-27 08:44:10 +02:00
ethernet
ethernet: Add helper for assigning packet type when dest address does not match device address
2024-05-02 16:23:44 +02:00
ethtool
ethtool: netlink: Add missing ethnl_ops_begin/complete
2024-01-25 14:37:56 -08:00
hsr
hsr: Handle failures in module init
2024-03-26 18:22:03 -04:00
ieee802154
net: ieee802154: fix error return code in dgram_bind()
2022-11-03 23:57:51 +09:00
ife
net: sched: ife: fix potential use-after-free
2024-01-05 15:12:24 +01:00
ipv4
net: fix __dst_negative_advice() race
2024-06-16 13:32:36 +02:00
ipv6
net: fix __dst_negative_advice() race
2024-06-16 13:32:36 +02:00
iucv
net/iucv: fix the allocation size of iucv_path_table array
2024-03-26 18:21:46 -04:00
kcm
net: kcm: fix incorrect parameter validation in the kcm_getsockopt) function
2024-03-26 18:21:54 -04:00
key
net: af_key: fix sadb_x_filter validation
2023-08-26 15:26:51 +02:00
l2tp
net l2tp: drop flow hash on forward
2024-05-17 11:48:00 +02:00
l3mdev
l3mdev: l3mdev_master_upper_ifindex_by_index_rcu should be using netdev_master_upper_dev_get_rcu
2022-04-27 13:53:50 +02:00
lapb
…
llc
llc: call sock_orphan() at release time
2024-02-23 08:42:17 +01:00
mac80211
kcov: Remove kcov include from sched.h and move it to its users.
2024-05-17 11:48:07 +02:00
mac802154
mac802154: fix llsec key resources release in mac802154_llsec_key_del
2024-04-13 12:58:25 +02:00
mpls
net: mpls: fix stale pointer if allocation fails during device rename
2023-02-22 12:55:58 +01:00
mptcp
mptcp: ensure snd_nxt is properly initialized on connect
2024-05-25 16:19:06 +02:00
ncsi
net/ncsi: Fix netlink major/minor version numbers
2024-01-25 14:37:44 -08:00
netfilter
netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get()
2024-06-16 13:32:31 +02:00
netlabel
calipso: fix memory leak in netlbl_calipso_add_pass()
2024-01-25 14:37:40 -08:00
netlink
netlink: annotate lockless accesses to nlk->max_recvmsg_len
2024-05-25 16:19:06 +02:00
netrom
netrom: fix possible dead-lock in nr_rt_ioctl()
2024-06-16 13:32:15 +02:00
nfc
nfc: nci: Fix handling of zero-length payload packets in nci_rx_work()
2024-06-16 13:32:27 +02:00
nsh
nsh: Restore skb->{protocol,data,mac_header} for outer header in nsh_gso_segment().
2024-05-17 11:48:00 +02:00
openvswitch
openvswitch: Set the skbuff pkt_type for proper pmtud support.
2024-06-16 13:32:27 +02:00
packet
af_packet: do not call packet_read_pending() from tpacket_destruct_skb()
2024-06-16 13:32:15 +02:00
phonet
phonet: fix rtm_phonet_notify() skb allocation
2024-05-17 11:48:07 +02:00
psample
psample: Require 'CAP_NET_ADMIN' when joining "packets" group
2023-12-13 18:27:06 +01:00
qrtr
net: qrtr: ns: Fix module refcnt
2024-06-16 13:32:15 +02:00
rds
net/rds: fix possible cp null dereference
2024-04-13 12:59:19 +02:00
rfkill
net: rfkill: gpio: set GPIO direction
2024-01-05 15:12:28 +01:00
rose
net/rose: fix races in rose_kill_by_device()
2024-01-05 15:12:24 +01:00
rxrpc
rxrpc: Fix response to PING RESPONSE ACKs to a dead call
2024-02-23 08:42:20 +01:00
sched
net/sched: act_skbmod: prevent kernel-infoleak
2024-04-13 12:59:26 +02:00
sctp
sctp: update hb timer immediately after users change hb_interval
2023-10-10 21:53:39 +02:00
smc
net/smc: reduce rtnl pressure in smc_pnet_create_pnetids_list()
2024-04-13 12:59:43 +02:00
strparser
bpf: sockmap, strparser, and tls are reusing qdisc_skb_cb and colliding
2021-11-18 14:04:27 +01:00
sunrpc
Revert "SUNRPC: Use RMW bitops in single-threaded hot paths"
2024-06-21 14:54:10 +02:00
switchdev
…
tipc
tipc: fix UAF in error path
2024-05-17 11:48:10 +02:00
tls
tls: fix missing memory barrier in tls_init
2024-06-16 13:32:27 +02:00
unix
fs: add file and path permissions helpers
2024-06-21 14:52:58 +02:00
vmw_vsock
virtio/vsock: fix logic which reduces credit update messages
2024-01-25 14:37:45 -08:00
wimax
…
wireless
wifi: cfg80211: fix the order of arguments for trace events of the tx_rx_evt class
2024-06-16 13:32:00 +02:00
x25
net/x25: fix incorrect parameter validation in the x25_getsockopt() function
2024-03-26 18:21:54 -04:00
xdp
xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING
2024-05-02 16:23:33 +02:00
xfrm
net: fix __dst_negative_advice() race
2024-06-16 13:32:36 +02:00
compat.c
net: Return the correct errno code
2021-06-18 10:00:06 +02:00
devres.c
…
Kconfig
Remove DECnet support from kernel
2023-06-21 15:45:38 +02:00
Makefile
Remove DECnet support from kernel
2023-06-21 15:45:38 +02:00
socket.c
net: Save and restore msg_namelen in sock_sendmsg
2024-01-15 18:48:04 +01:00
sysctl_net.c
…