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8f1948bdcf
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Jiri Pirko 8f1948bdcf genetlink: hold read cb_lock during iteration of genl_fam_idr in genl_bind() 
In genl_bind(), currently genl_lock and write cb_lock are taken
for iteration of genl_fam_idr and processing of static values
stored in struct genl_family. Take just read cb_lock for this task
as it is sufficient to guard the idr and the struct against
concurrent genl_register/unregister_family() calls.

This will allow to run genl command processing in genl_rcv() and
mnl_socket_setsockopt(.., NETLINK_ADD_MEMBERSHIP, ..) in parallel.

Reported-by: Vikas Gupta <vikas.gupta@broadcom.com>
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20220825081940.1283335-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-08-26 18:47:21 -07:00
..
6lowpan net: 6lowpan: constify lowpan_nhc structures 2022-06-09 21:53:28 +02:00
9p iov_iter stuff, part 2, rebased 2022-08-08 20:04:35 -07:00
802
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: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ax25 ax25: move from strlcpy with unused retval to strscpy 2022-08-22 17:55:50 -07:00
batman-adv batman-adv: tracing: Use the new __vstring() helper 2022-07-30 13:52:47 -04:00
bluetooth Bluetooth: ISO: Fix not using the correct QoS 2022-08-08 17:06:36 -07:00
bpf Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2022-08-17 20:29:36 -07:00
bpfilter
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
caif caif: move from strlcpy with unused retval to strscpy 2022-08-22 17:57:35 -07:00
can can: j1939: j1939_session_destroy(): fix memory leak of skbs 2022-08-09 09:05:06 +02:00
ceph libceph: clean up ceph_osdc_start_request prototype 2022-08-03 14:05:39 +02:00
core net: devlink: add RNLT lock assertion to devlink_compat_switch_id_get() 2022-08-26 17:14:15 -07:00
dcb
dccp net: Add a bhash2 table hashed by port and address 2022-08-24 19:30:07 -07:00
dns_resolver
dsa Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
ethernet net: gro: skb_gro_header helper function 2022-08-25 10:33:21 +02:00
ethtool ethtool: move from strlcpy with unused retval to strscpy 2022-08-22 18:06:55 -07:00
hsr treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_30.RULE (part 2) 2022-06-10 14:51:35 +02:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
iucv net: keep sk->sk_forward_alloc as small as possible 2022-06-10 16:21:27 -07:00
kcm
key Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec 2022-08-24 12:51:50 +01:00
l2tp l2tp: move from strlcpy with unused retval to strscpy 2022-08-22 17:59:46 -07:00
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: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
mac80211 Various updates: 2022-08-26 11:56:55 +01:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp Networking changes for 5.19. 2022-05-25 12:22:58 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp net: Fix data-races around sysctl_max_skb_frags. 2022-08-24 13:46:58 +01:00
ncsi net/ncsi: use proper "mellanox" DT vendor prefix 2022-06-23 20:51:06 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-08-25 16:07:42 -07:00
netlabel netlabel: fix typo in comment 2022-08-10 09:24:41 +01:00
netlink genetlink: hold read cb_lock during iteration of genl_fam_idr in genl_bind() 2022-08-26 18:47:21 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc net: nfc: Directly use ida_alloc()/free() 2022-05-28 15:28:47 +01:00
nsh
openvswitch openvswitch: move from strlcpy with unused retval to strscpy 2022-08-22 18:07:12 -07:00
packet packet: move from strlcpy with unused retval to strscpy 2022-08-22 17:59:51 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: qrtr: start MHI channel after endpoit creation 2022-08-15 11:21:42 +01:00
rds rds: add missing barrier to release_refill 2022-08-12 10:46:01 +01:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose rose: check NULL rose_loopback_neigh->loopback 2022-08-22 14:24:54 +01:00
rxrpc rxrpc: Fix locking in rxrpc's sendmsg 2022-08-25 12:39:40 -07:00
sched net: sched: remove unnecessary init of qdisc skb head 2022-08-26 12:03:04 +01:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
smc net/smc: Enable module load on netlink usage 2022-07-27 13:24:42 +01:00
strparser strparser: pad sk_skb_cb to avoid straddling cachelines 2022-07-08 18:38:44 -07:00
sunrpc NFS client bugfixes for Linux 6.0 2022-08-22 11:40:01 -07:00
switchdev net: rename reference+tracking helpers 2022-06-09 21:52:55 -07:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-07-28 18:21:16 -07:00
tls tls: rx: react to strparser initialization errors 2022-08-17 10:24:00 +01:00
unix af_unix: Show number of inflight fds for sockets in TCP_LISTEN state too 2022-08-22 11:34:54 +01:00
vmw_vsock vmci/vsock: check SO_RCVLOWAT before wake up reader 2022-08-23 10:43:12 +02:00
wireless Various updates: 2022-08-26 11:56:55 +01:00
x25 net/x25: fix call timeouts in blocking connects 2022-08-08 20:48:51 -07:00
xdp xsk: Mark napi_id on sendmsg() 2022-07-14 22:45:34 +02:00
xfrm net: Fix data-races around netdev_max_backlog. 2022-08-24 13:46:57 +01:00
compat.c Merge branch 'for-5.20/io_uring' into for-5.20/io_uring-zerocopy-send 2022-07-24 18:41:03 -06:00
devres.c
Kconfig Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
Kconfig.debug net: CONFIG_DEBUG_NET depends on CONFIG_NET 2022-06-02 10:15:05 -07:00
Makefile Remove DECnet support from kernel 2022-08-22 14:26:30 +01:00
socket.c net: Fix a data-race around sysctl_somaxconn. 2022-08-24 13:46:58 +01:00
sysctl_net.c