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d9fb797046
linux/net
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Mat Martineau d9fb797046 mptcp: Do not traverse the subflow connection list without lock 
The MPTCP socket's conn_list (list of subflows) requires the socket lock
to access. The MP_FAIL timeout code added such an access, where it would
check the list of subflows both in timer context and (later) in workqueue
context where the socket lock is held.

Rather than check the list twice, remove the check in the timeout
handler and only depend on the check in the workqueue. Also remove the
MPTCP_FAIL_NO_RESPONSE flag, since mptcp_mp_fail_no_response() has
insignificant overhead and can be checked on each worker run.

Fixes: 49fa1919d6 ("mptcp: reset subflow when MP_FAIL doesn't respond")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-05-19 20:05:07 -07:00
..
6lowpan
9p xen/grant-table: remove readonly parameter from functions 2022-03-15 20:34:40 -05:00
802
8021q net: add netif_inherit_tso_max() 2022-05-06 12:07:56 +01:00
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: merge repeat codes in ax25_dev_device_down() 2022-05-17 12:24:16 +02:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
bpf net: allow gso_max_size to exceed 65536 2022-05-16 10:18:55 +01:00
bpfilter uaccess: remove CONFIG_SET_FS 2022-02-25 09:36:06 +01:00
bridge Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
caif net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
can can: isotp: isotp_bind(): do not validate unused address information 2022-05-19 22:11:28 +02:00
ceph libceph: disambiguate cluster/pool full log message 2022-04-25 10:45:15 +02:00
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
dcb net: dcb: disable softirqs in dcbnl_flush_dev() 2022-03-03 08:01:55 -08:00
dccp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
decnet dn_route: set rt neigh to blackhole_netdev instead of loopback_dev in ifdown 2022-05-17 18:03:23 -07:00
dns_resolver
dsa net: dsa: remove port argument from ->change_tag_protocol() 2022-05-12 16:38:55 -07:00
ethernet net: ethernet: set default assignment identifier to NET_NAME_ENUM 2022-04-07 21:04:03 -07:00
ethtool ethtool: Add 10base-T1L link mode entry 2022-05-01 17:45:35 +01:00
hsr net: add per-cpu storage and net->core_stats 2022-03-11 23:17:24 -08:00
ieee802154 net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
ife
ipv4 tcp: improve PRR loss recovery 2022-05-19 18:49:50 -07:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
iucv net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
kcm
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
l2tp l2tp: use add READ_ONCE() to fetch sk->sk_bound_dev_if 2022-05-16 10:31:06 +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
llc llc: only change llc->dev when bind() succeeds 2022-03-25 16:55:41 -07:00
mac80211 wireless-next patches for v5.19 2022-05-19 13:01:08 -07:00
mac802154 net: mac802154: Fix symbol durations 2022-04-30 20:29:47 +02:00
mctp net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
mpls net: mpls: fix memdup.cocci warning 2022-04-07 21:06:41 -07:00
mptcp mptcp: Do not traverse the subflow connection list without lock 2022-05-19 20:05:07 -07:00
ncsi
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
netlabel netlabel: fix out-of-bounds memory accesses 2022-03-21 10:59:11 +00:00
netlink Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-12 16:15:30 -07:00
netrom net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
nsh
openvswitch openvswitch: fix OOB access in reserve_sfa_size() 2022-04-15 11:50:02 +01:00
packet net: SO_RCVMARK socket option for SO_MARK with recvmsg() 2022-04-28 13:08:15 -07:00
phonet net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
psample
qrtr net: remove noblock parameter from skb_recv_datagram() 2022-04-06 13:45:26 +01:00
rds net: rds: use maybe_get_net() when acquiring refcount on TCP sockets 2022-05-05 16:44:49 -07:00
rfkill rfkill: make new event layout opt-in 2022-03-18 13:09:17 +02:00
rose ROSE: Remove unused code and clean up some inconsistent indenting 2022-05-09 17:19:27 -07:00
rxrpc rxrpc: Enable IPv6 checksums on transport socket 2022-04-30 13:59:34 +01:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
sctp sctp: read sk->sk_bound_dev_if once in sctp_rcv() 2022-05-16 10:31:06 +01:00
smc net/smc: rdma write inline if qp has sufficient inline space 2022-05-17 17:34:12 -07:00
strparser
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
switchdev net: switchdev: remove lag_mod_cb from switchdev_handle_fdb_event_to_device 2022-02-24 21:31:43 -08:00
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-03-23 10:53:49 -07:00
tls net: tls: fix messing up lists when bpf enabled 2022-05-19 17:55:06 -07:00
unix net: remove noblock parameter from recvmsg() entities 2022-04-12 15:00:25 +02:00
vmw_vsock vsock/virtio: add support for device suspend/resume 2022-05-02 16:04:34 -07:00
wireless wireless-next patches for v5.19 2022-05-19 13:01:08 -07:00
x25 x25: remove redundant pointer dev 2022-05-10 11:59:22 +02:00
xdp Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-04-28 13:02:01 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2022-05-19 11:23:59 -07:00
compat.c
devres.c
Kconfig page_pool: Add allocation stats 2022-03-03 09:55:28 +00:00
Kconfig.debug net: add CONFIG_DEBUG_NET 2022-05-11 12:43:10 +01:00
Makefile
socket.c ptp: Support late timestamp determination 2022-05-10 09:48:08 +02:00
sysctl_net.c