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kernel_xiaomi_vince/include/net
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Zhongqiu Duan 532548ed7d tcp/dccp: allow a connection when sk_max_ack_backlog is zero 
[ Upstream commit 3479c7549fb1dfa7a1db4efb7347c7b8ef50de4b ]

If the backlog of listen() is set to zero, sk_acceptq_is_full() allows
one connection to be made, but inet_csk_reqsk_queue_is_full() does not.
When the net.ipv4.tcp_syncookies is zero, inet_csk_reqsk_queue_is_full()
will cause an immediate drop before the sk_acceptq_is_full() check in
tcp_conn_request(), resulting in no connection can be made.

This patch tries to keep consistent with 64a146513f ("[NET]: Revert
incorrect accept queue backlog changes.").

Link: https://lore.kernel.org/netdev/20250102080258.53858-1-kuniyu@amazon.com/
Fixes: ef547f2ac1 ("tcp: remove max_qlen_log")
Signed-off-by: Zhongqiu Duan <dzq.aishenghu0@gmail.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250102171426.915276-1-dzq.aishenghu0@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Ulrich Hecht <uli@kernel.org>
2025-04-25 03:30:17 +00:00
..
9p
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bluetooth
Bluetooth: L2CAP: Fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ
2025-04-25 03:30:05 +00:00
caif
net: caif: add proper error handling
2021-06-10 12:42:36 +02:00
irda
…
iucv
…
netfilter
Merge branch 'android-4.9.305-q-merge' into a11/upstream-aosp
2022-03-12 00:41:03 +08:00
netns
ipv6: make ip6_rt_gc_expire an atomic_t
2025-04-25 03:29:56 +00:00
nfc
NFC: add NCI_UNREG flag to eliminate the race
2021-12-08 08:45:04 +01:00
phonet
phonet: fix building with clang
2019-03-23 13:19:44 +01:00
sctp
sctp: validate from_addr_param return
2021-09-26 13:36:19 +02:00
tc_act
net/sched: act_tunnel_key: fix NULL dereference when 'goto chain' is used
2018-08-24 13:12:37 +02:00
6lowpan.h
…
act_api.h
net sched: fix reporting the first-time use timestamp
2020-06-03 08:16:25 +02:00
addrconf.h
Merge 4.9.233 into android-4.9-q
2020-08-21 11:48:51 +02:00
af_ieee802154.h
…
af_rxrpc.h
…
af_unix.h
net: split out functions related to registering inflight socket files
2021-08-04 11:58:01 +02:00
af_vsock.h
vsock: split dwork to avoid reinitializations
2018-08-22 07:47:13 +02:00
ah.h
…
arp.h
ipv4: Define __ipv4_neigh_lookup_noref when CONFIG_INET is disabled
2019-06-11 12:22:49 +02:00
atmclip.h
…
ax25.h
ax25: fix possible use-after-free
2019-02-23 09:05:59 +01:00
ax88796.h
…
bond_3ad.h
…
bond_alb.h
…
bond_options.h
…
bonding.h
bonding: wait for sysfs kobject destruction before freeing struct slave
2020-12-11 13:37:57 +01:00
busy_poll.h
net: Fix a data-race around sysctl_net_busy_poll.
2022-09-05 10:23:55 +02:00
calipso.h
…
cfg80211-wext.h
…
cfg80211.h
Merge branch 'android-4.9.271-q-merge' into a11/upstream-aosp
2021-08-31 12:51:16 +08:00
cfg802154.h
…
checksum.h
openvswitch: Fix setting ipv6 fields causing hw csum failure
2022-03-02 11:32:02 +01:00
cipso_ipv4.h
…
cls_cgroup.h
…
cnss2.h
cnss2: Sync code from kernel 4.14
2020-05-17 20:19:19 -07:00
cnss_logger.h
cnss: Add support of cnss driver
2018-02-08 16:32:00 +08:00
cnss_nl.h
cnss_nl: Add new attributes for cld80211 attr list
2020-03-07 00:19:25 +05:30
cnss_prealloc.h
wcnss: Fix buffer overflow in wcnss_prealloc_get
2018-09-12 16:05:33 +05:30
cnss_utils.h
cnss_utils: Add support for derived MAC address
2017-11-09 15:08:16 -08:00
cnss.h
Merge "cnss: Add support for PCIe WLAN IPA uc SMMU feature"
2018-07-26 07:45:06 -07:00
codel_impl.h
…
codel_qdisc.h
…
codel.h
…
compat.h
…
datalink.h
…
dcbevent.h
…
dcbnl.h
…
devlink.h
…
dn_dev.h
…
dn_fib.h
…
dn_neigh.h
…
dn_nsp.h
…
dn_route.h
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dn.h
…
dsa.h
…
dsfield.h
…
dst_cache.h
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dst_metadata.h
net: fix a memleak when uncloning an skb dst and its metadata
2022-02-16 12:43:54 +01:00
dst_ops.h
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dst.h
ip: validate header length on virtual device xmit
2025-04-25 03:30:00 +00:00
esp.h
…
ethoc.h
…
fib_rules.h
Merge 4.9.217 into android-4.9-q
2020-03-20 11:01:08 +01:00
firewire.h
…
flow_dissector.h
net: sched: correct flower port blocking
2020-03-11 07:53:05 +01:00
flow.h
UPSTREAM: flow: Extend flow informations with xfrm interface id.
2018-10-26 21:39:51 -07:00
flowcache.h
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fou.h
…
fq_impl.h
net/flow_dissector: switch to siphash
2019-11-10 11:23:31 +01:00
fq.h
net/flow_dissector: switch to siphash
2019-11-10 11:23:31 +01:00
garp.h
…
gen_stats.h
…
genetlink.h
genetlink: remove genl_bind
2020-07-22 09:10:48 +02:00
geneve.h
…
gre.h
…
gro_cells.h
gro_cells: make sure device is up in gro_cells_receive()
2019-03-19 13:14:10 +01:00
gtp.h
…
gue.h
…
hwbm.h
…
icmp.h
net: icmp: pass zeroed opts from icmp{,v6}_ndo_send before sending
2021-03-03 17:44:46 +01:00
ieee80211_radiotap.h
…
ieee802154_netdev.h
net: ieee802154: return -EINVAL for unknown addr type
2022-10-26 13:15:48 +02:00
if_inet6.h
BACKPORT: ipv6: Implement draft-ietf-6man-rfc4941bis
2022-01-31 14:39:14 +00:00
ila.h
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inet6_connection_sock.h
…
inet6_hashtables.h
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inet_common.h
…
inet_connection_sock.h
tcp/dccp: allow a connection when sk_max_ack_backlog is zero
2025-04-25 03:30:17 +00:00
inet_ecn.h
vlan: consolidate VLAN parsing code and limit max parsing depth
2020-12-11 13:37:58 +01:00
inet_frag.h
net: IP defrag: encapsulate rbtree defrag code into callable functions
2019-05-02 09:32:06 +02:00
inet_hashtables.h
secure_seq: use the 64 bits of the siphash for port offset calculation
2022-06-25 11:45:19 +02:00
inet_sock.h
Merge 4.9.325 into android-4.9-q
2022-07-29 18:58:19 +02:00
inet_timewait_sock.h
soreuseport: initialise timewait reuseport field
2018-05-16 10:08:41 +02:00
inetpeer.h
net: ipv4: use a dedicated counter for icmp_v4 redirect packets
2019-02-23 09:05:59 +01:00
ip6_checksum.h
…
ip6_fib.h
ipv6: fix sparse warning on rt6i_node
2017-09-20 08:19:53 +02:00
ip6_route.h
Merge 4.9.277 into android-4.9-q
2021-07-28 12:36:41 +02:00
ip6_tunnel.h
ip6_tunnel: allow not to count pkts on tstats by passing dev as NULL
2019-07-21 09:05:57 +02:00
ip_fib.h
net: ipv4: Fix memory leak in network namespace dismantle
2019-01-31 08:12:33 +01:00
ip_tunnels.h
ip: validate header length on virtual device xmit
2025-04-25 03:30:00 +00:00
ip_vs.h
ipvs: move old_secure_tcp into struct netns_ipvs
2019-11-12 19:15:57 +01:00
ip.h
Merge branch 'android-4.9.325-q-merge' into a11/upstream-aosp
2022-07-30 23:22:35 +08:00
ipcomp.h
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ipconfig.h
…
ipv6_frag.h
ip6: fix skb leak in ip6frag_expire_frag_queue()
2019-09-16 08:19:33 +02:00
ipv6.h
tcp: Reduce chance of collisions in inet6_hashfn().
2025-04-25 03:29:50 +00:00
ipx.h
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iw_handler.h
wext: handle NULL extra data in iwe_stream_add_point better
2017-08-11 08:49:34 -07:00
kcm.h
…
l3mdev.h
ipvlan, l3mdev: fix broken l3s mode wrt local routes
2019-02-06 17:33:27 +01:00
lapb.h
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lib80211.h
…
llc_c_ac.h
…
llc_c_ev.h
…
llc_c_st.h
…
llc_conn.h
llc: fix sk_buff leak in llc_conn_service()
2019-11-06 12:18:24 +01:00
llc_if.h
…
llc_pdu.h
llc: Drop support for ETH_P_TR_802_2.
2025-04-25 03:29:57 +00:00
llc_s_ac.h
…
llc_s_ev.h
…
llc_s_st.h
…
llc_sap.h
…
llc.h
llc: fix out-of-bound array index in llc_sk_dev_hash()
2021-11-26 11:48:39 +01:00
lwtunnel.h
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mac80211.h
mac80211: round IEEE80211_TX_STATUS_HEADROOM up to multiple of 4
2018-05-30 07:50:28 +02:00
mac802154.h
…
mip6.h
…
mld.h
…
mpls_iptunnel.h
…
mpls.h
…
mrp.h
mrp: introduce active flags to prevent UAF when applicant uninit
2023-01-07 12:07:32 +01:00
ncsi.h
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ndisc.h
UPSTREAM: ipv6: ndisc: RFC-ietf-6man-ra-pref64-09 is now published as RFC8781
2020-11-16 14:33:43 +01:00
neighbour.h
neighbour: fix unaligned access to pneigh_entry
2025-04-25 03:30:04 +00:00
net_namespace.h
netns: add pre_exit method to struct pernet_operations
2025-04-25 03:30:10 +00:00
net_ratelimit.h
…
netevent.h
…
netlabel.h
…
netlink.h
netlink: fix nla_put_{u8,u16,u32} for KASAN
2017-10-12 11:51:25 +02:00
netprio_cgroup.h
…
netrom.h
…
nexthop.h
net: fix rtnh_ok()
2018-05-16 10:08:41 +02:00
nl802154.h
net: ieee802154: handle iftypes as u32
2021-12-08 08:45:03 +01:00
p8022.h
…
ping.h
…
pkt_cls.h
…
pkt_sched.h
net/sched: make psched_mtu() RTNL-less safe
2025-04-25 03:29:49 +00:00
pptp.h
…
protocol.h
…
psnap.h
…
raw.h
…
rawv6.h
…
red.h
sch_red: fix off-by-one checks in red_check_params()
2021-04-16 11:59:07 +02:00
regulatory.h
regulatory: add NUL to request alpha2
2018-05-30 07:50:30 +02:00
request_sock.h
…
rmnet_config.h
…
rose.h
…
route.h
Merge 4.9.104 into android-4.9
2018-05-30 13:19:56 +02:00
rtnetlink.h
can: dev: Move device back to init netns on owning netns delete
2021-03-30 14:41:42 +02:00
sch_generic.h
fq_codel: switch default qdisc from pfifo_fast to fq_codel and remove pfifo_fast
2025-02-24 14:04:11 +00:00
scm.h
…
secure_seq.h
secure_seq: use the 64 bits of the siphash for port offset calculation
2022-06-25 11:45:19 +02:00
slhc_vj.h
slip: Check if rstate is initialized before uncompressing
2018-04-20 08:21:07 +02:00
snmp.h
debloat: procfs
2025-02-24 14:04:21 +00:00
sock_reuseport.h
…
sock.h
net: Fix an unsafe loop on the list
2025-04-25 03:30:13 +00:00
Space.h
…
stp.h
…
strparser.h
…
switchdev.h
…
tcp_states.h
…
tcp.h
tcp: annotate data-races around tp->notsent_lowat
2025-04-25 03:29:50 +00:00
timewait_sock.h
…
transp_v6.h
…
tso.h
…
udp_tunnel.h
…
udp.h
udp6: set rx_dst_cookie on rx_dst updates
2017-10-09 16:01:04 -06:00
udplite.h
udplite: fix partial checksum initialization
2018-03-11 16:21:32 +01:00
vsock_addr.h
…
vxlan.h
vxlan: fix hlist corruption
2017-07-21 07:42:18 +02:00
wext.h
…
wimax.h
…
x25.h
net: x25: fix one potential use-after-free issue
2018-04-13 19:48:00 +02:00
x25device.h
…
xfrm.h
Merge branch 'android-4.9.311-q-merge' into a11/upstream-aosp
2022-04-22 15:22:57 +08:00