linux/net
Paolo Abeni e226d9259d mptcp: fix spurious wake-up on under memory pressure
The wake-up condition currently implemented by mptcp_epollin_ready()
is wrong, as it could mark the MPTCP socket as readable even when
no data are present and the system is under memory pressure.

Explicitly check for some data being available in the receive queue.

Fixes: 5684ab1a0e ("mptcp: give rcvlowat some love")
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20250113-net-mptcp-connect-st-flakes-v1-2-0d986ee7b1b6@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-01-14 13:32:11 -08:00
..
6lowpan ipv6: eliminate ndisc_ops_is_useropt() 2024-08-12 17:23:57 -07:00
9p net/9p/usbg: allow building as standalone module 2024-11-22 23:48:14 +09:00
802 net: 802: LLC+SNAP OID:PID lookup on start of skb data 2025-01-04 08:06:24 -08:00
8021q net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
appletalk appletalk: Remove deadcode 2024-10-04 12:42:32 +01:00
atm atm: clean up a put_user() calls 2024-06-14 19:08:50 -07:00
ax25 ax25: Replace kfree() in ax25_dev_free() with ax25_dev_put() 2024-06-01 15:49:42 -07:00
batman-adv batman-adv: Do not let TT changes list grows indefinitely 2024-12-05 22:38:26 +01:00
bluetooth Bluetooth: btmtk: Fix failed to send func ctrl for MediaTek devices. 2025-01-08 11:14:03 -05:00
bpf bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled 2024-10-31 16:15:21 +01:00
bridge ndo_fdb_del: Add a parameter to report whether notification was sent 2024-11-15 16:39:18 -08:00
caif caif: Remove unused cfsrvl_getphyid 2024-10-08 15:33:49 -07:00
can can: j1939: j1939_session_new(): fix skb reference counting 2024-12-02 09:53:39 +01:00
ceph ceph: allocate sparse_ext map only for sparse reads 2024-12-16 23:25:44 +01:00
core pktgen: Avoid out-of-bounds access in get_imix_entries 2025-01-13 09:00:41 +00:00
dcb dcb: Use rtnl_register_many(). 2024-10-15 18:52:26 -07:00
dccp dccp: Fix memory leak in dccp_feat_change_recv 2024-12-03 09:50:21 +01:00
devlink net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
dns_resolver
dsa net: dsa: restore dsa_software_vlan_untag() ability to operate on VLAN-untagged traffic 2024-12-18 19:22:36 -08:00
ethernet netkit: Fix pkt_type override upon netkit pass verdict 2024-05-25 10:48:57 -07:00
ethtool ethtool: Fix wrong mod state in case of verbose and no_mask bitset 2024-12-04 18:54:43 -08:00
handshake module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
hsr net: hsr: must allocate more bytes for RedBox support 2024-12-03 12:08:33 +01:00
ieee802154 net: convert to nla_get_*_default() 2024-11-11 10:32:06 -08:00
ife
ipv4 udp: Make rehash4 independent in udp_lib_rehash() 2025-01-14 10:44:10 +01:00
ipv6 ila: serialize calls to nf_register_net_hooks() 2025-01-02 18:42:32 -08:00
iucv s390/iucv: MSG_PEEK causes memory leak in iucv_sock_destruct() 2024-11-26 10:02:53 +01:00
kcm kcm: replace call_rcu by kfree_rcu for simple kmem_cache_free callback 2024-10-15 10:50:21 -07:00
key xfrm: Add support for per cpu xfrm state handling. 2024-10-29 11:56:00 +01:00
l2tp net/l2tp: fix warning in l2tp_exit_net found by syzbot 2024-11-26 09:27:07 +01:00
l3mdev
lapb
llc net: llc: reset skb->transport_header 2024-12-27 11:23:37 -08:00
mac80211 A small set of fixes: 2024-12-10 18:44:25 -08:00
mac802154 mac802154: check local interfaces before deleting sdata list 2024-11-19 10:54:17 +01:00
mctp net: mctp: handle skb cleanup on sock_queue failures 2024-12-19 11:52:49 +01:00
mpls rtnetlink: Return int from rtnl_af_register(). 2024-10-22 11:02:05 +02:00
mptcp mptcp: fix spurious wake-up on under memory pressure 2025-01-14 13:32:11 -08:00
ncsi net/ncsi: fix locking in Get MAC Address handling 2025-01-13 18:59:56 -08:00
netfilter netfilter: conntrack: clamp maximum hashtable size to INT_MAX 2025-01-09 13:29:45 +01:00
netlabel Networking changes for 6.13. 2024-11-21 08:28:08 -08:00
netlink netlink: fix false positive warning in extack during dumps 2024-11-24 16:58:07 -08:00
netrom netrom: check buffer length before accessing it 2024-12-23 10:04:55 -08:00
nfc net: nfc: Propagate ISO14443 type A target ATS to userspace via netlink 2024-11-07 10:21:58 +01:00
nsh
openvswitch openvswitch: fix lockup on tx to unregistering netdev with carrier 2025-01-10 18:20:49 -08:00
packet af_packet: fix vlan_get_protocol_dgram() vs MSG_PEEK 2025-01-02 18:40:59 -08:00
phonet phonet: do not call synchronize_rcu() from phonet_route_del() 2024-11-07 20:34:16 -08:00
psample psample: adjust size if rate_as_probability is set 2024-12-18 19:23:04 -08:00
qrtr net: qrtr: Update packets cloning when broadcasting 2024-09-24 10:48:16 +02:00
rds rds: sysctl: rds_tcp_{rcv,snd}buf: avoid using current->nsproxy 2025-01-09 08:53:35 -08:00
rfkill Get rid of 'remove_new' relic from platform driver struct 2024-12-01 15:12:43 -08:00
rose net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
rxrpc rxrpc: Improve setsockopt() handling of malformed user input 2024-11-28 08:57:42 +01:00
sched sched: sch_cake: add bounds checks to host bulk flow fairness counts 2025-01-09 08:18:41 -08:00
sctp sctp: sysctl: plpmtud_probe_interval: avoid using current->nsproxy 2025-01-09 08:53:35 -08:00
shaper net-shapers: implement cap validation in the core 2024-10-10 08:30:23 -07:00
smc net/smc: check return value of sock_recvmsg when draining clc data 2024-12-15 12:34:59 +00:00
strparser
sunrpc module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
switchdev net: bridge: switchdev: Improve error message for port_obj_add/del functions 2024-05-08 12:19:12 +01:00
tipc tipc: fix NULL deref in cleanup_bearer() 2024-12-05 17:36:22 -08:00
tls tls: Fix tls_sw_sendmsg error handling 2025-01-07 17:00:19 -08:00
unix splice: do not checksum AF_UNIX sockets 2024-12-11 20:22:41 -08:00
vmw_vsock vsock: prevent null-ptr-deref in vsock_*[has_data|has_space] 2025-01-14 12:29:37 +01:00
wireless A small set of fixes: 2024-12-10 18:44:25 -08:00
x25 net: change proto and proto_ops accept type 2024-05-13 18:19:09 -06:00
xdp xsk: Bring back busy polling support 2025-01-10 18:07:56 -08:00
xfrm ipsec-next-2024-11-15 2024-11-18 11:52:49 +00:00
compat.c
devres.c
Kconfig netlink: spec: add shaper YAML spec 2024-10-10 08:30:21 -07:00
Kconfig.debug rtnetlink: Add per-netns RTNL. 2024-10-08 15:16:59 +02:00
Makefile netlink: spec: add shaper YAML spec 2024-10-10 08:30:21 -07:00
socket.c Networking changes for 6.13. 2024-11-21 08:28:08 -08:00
sysctl_net.c sysctl: Remove check for sentinel element in ctl_table arrays 2024-06-13 10:50:52 +02:00