Eric Dumazet d8d9ef2988 ipv4: icmp: icmpv4_xrlim_allow() optimization if net.ipv4.icmp_ratelimit is zero ...

If net.ipv4.icmp_ratelimit is zero, we do not have to call
inet_getpeer_v4() and inet_peer_xrlim_allow().

Both can be very expensive under DDOS.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com>
Link: https://patch.msgid.link/20260216142832.3834174-5-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

2026-02-18 16:46:36 -08:00

..

6lowpan

net: replace ND_PRINTK with dynamic debug

2025-07-10 15:27:32 -07:00

9p

Merge tag '9p-for-6.19-rc1' of https://github.com/martinetd/linux

2025-12-07 08:29:09 -08:00

802

net: remove HIPPI support and RoadRunner HIPPI driver

2026-01-20 19:12:06 -08:00

8021q

net: vlan: sync VLAN features with lower device

2025-10-31 17:42:35 -07:00

appletalk

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

atm

net: atm: fix crash due to unvalidated vcc pointer in sigd_send()

2026-02-10 11:24:47 +01:00

ax25

net: ax25: remove plumbing for never-implemented DAMA Master support

2026-01-30 19:19:39 -08:00

batman-adv

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-10-31 06:46:03 -07:00

bluetooth

Merge tag 'net-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2026-02-11 19:31:52 -08:00

bpf

bpf: add fsession support

2026-01-24 18:49:35 -08:00

bridge

net: bridge: mcast: always update mdb_n_entries for vlan contexts

2026-02-17 13:00:14 +01:00

caif

caif: fix integer underflow in cffrml_receive()

2025-12-11 01:35:41 -08:00

can

can: gw: use can_gw_hops instead of sk_buff::csum_start

2026-02-05 11:58:40 +01:00

ceph

libceph: make calc_target() set t->paused, not just clear it

2026-01-06 00:39:43 +01:00

core

net: do not delay zero-copy skbs in skb_attempt_defer_free()

2026-02-17 17:06:18 -08:00

dcb

Revert "Documentation: net: add flow control guide and document ethtool API"

2025-10-01 09:48:21 +02:00

devlink

devlink: Refactor devlink_rate_nodes_check

2026-02-02 20:05:51 -08:00

dns_resolver

net/dns_resolver: use credential guards in dns_query()

2025-11-04 12:36:51 +01:00

dsa

net: dsa: add tag format for MxL862xx switches

2026-02-11 11:27:57 +01:00

ethernet

net: optimize eth_type_trans() vs CONFIG_STACKPROTECTOR_STRONG=y

2025-11-24 19:27:31 -08:00

ethtool

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-02-05 09:54:08 -08:00

handshake

net/handshake: Fix null-ptr-deref in handshake_complete()

2025-12-22 12:36:40 +01:00

hsr

hsr: Implement more robust duplicate discard for HSR

2026-02-10 12:02:29 +01:00

ieee802154

net: Convert proto callbacks from sockaddr to sockaddr_unsized

2025-11-04 19:10:33 -08:00

ife

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ipv4

ipv4: icmp: icmpv4_xrlim_allow() optimization if net.ipv4.icmp_ratelimit is zero

2026-02-18 16:46:36 -08:00

ipv6

ipv6: icmp: remove obsolete code in icmpv6_xrlim_allow()

2026-02-18 16:46:36 -08:00

iucv

net/iucv: clean up iucv kernel-doc warnings

2026-02-04 20:39:58 -08:00

kcm

Merge tag 'net-next-6.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2025-12-03 17:24:33 -08:00

key

pfkey: Deprecate pfkey

2025-10-30 09:03:12 +01:00

l2tp

l2tp: avoid one data-race in l2tp_tunnel_del_work()

2026-01-19 09:55:41 -08:00

l3mdev

net: fib_rules: Fix iif / oif matching on L3 master device

2025-04-15 17:54:56 -07:00

lapb

treewide, timers: Rename from_timer() to timer_container_of()

2025-06-08 09:07:37 +02:00

llc

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

mac80211

wifi: mac80211: Add eMLSR/eMLMR action frame parsing support

2026-02-02 10:11:18 +01:00

mac802154

mac802154: Switch to use hrtimer_setup()

2025-02-18 10:35:44 +01:00

mctp

net: mctp: ensure our nlmsg responses are initialised

2026-02-12 18:35:45 -08:00

mpls

mpls: Drop RTNL for RTM_NEWROUTE, RTM_DELROUTE, and RTM_GETROUTE.

2025-11-03 17:40:54 -08:00

mptcp

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2026-02-11 15:14:35 +01:00

ncsi

net: ncsi: Fix buffer overflow in fetching version id

2025-06-12 18:21:59 -07:00

netfilter

Merge tag 'net-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

2026-02-11 19:31:52 -08:00

netlabel

audit: add record for multiple task security contexts

2025-08-30 10:15:30 -04:00

netlink

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

netrom

netrom: fix double-free in nr_route_frame()

2026-01-20 19:15:40 -08:00

nfc

nfc: hci: shdlc: Stop timers and work before freeing context

2026-02-05 18:46:20 -08:00

nsh

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openvswitch

net: openvswitch: fix data race in ovs_vport_get_upcall_stats

2026-01-22 12:55:22 +01:00

packet

net: add vlan_get_protocol_offset_inline() helper

2026-02-05 16:33:52 +01:00

phonet

net: Convert proto callbacks from sockaddr to sockaddr_unsized

2025-11-04 19:10:33 -08:00

psample

psample: adjust size if rate_as_probability is set

2024-12-18 19:23:04 -08:00

psp

net: psp: select CONFIG_SKB_EXTENSIONS

2026-02-17 17:05:29 -08:00

qrtr

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

rds

net/rds: rds_sendmsg should not discard payload_len

2026-02-17 12:03:57 +01:00

rfkill

net: replace use of system_wq with system_percpu_wq

2025-09-22 17:40:30 -07:00

rose

net: rose: fix invalid array index in rose_kill_by_device()

2025-12-30 11:45:51 +01:00

rxrpc

rxrpc: Fix data-race warning and potential load/store tearing

2026-01-21 19:59:29 -08:00

sched

net/sched: act_skbedit: fix divide-by-zero in tcf_skbedit_hash()

2026-02-17 17:27:39 -08:00

sctp

sctp: move SCTP_CMD_ASSOC_SHKEY right after SCTP_CMD_PEER_INIT

2026-01-17 15:10:34 -08:00

shaper

tools: ynl-gen: add regeneration comment

2025-11-25 19:20:42 -08:00

smc

Revert "net/smc: Introduce TCP ULP support"

2026-01-30 19:21:51 -08:00

strparser

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-11-13 12:35:38 -08:00

sunrpc

Merge tag 'nfsd-6.19-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux

2025-12-24 09:23:04 -08:00

switchdev

net: switchdev: Convert blocking notification chain to a raw one

2025-03-11 11:30:28 +01:00

tipc

tipc: fix RCU dereference race in tipc_aead_users_dec()

2026-02-05 12:36:31 -08:00

tls

Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2025-10-31 06:46:03 -07:00

unix

af_unix: Fix memleak of newsk in unix_stream_connect().

2026-02-11 13:01:13 +01:00

vmw_vsock

vsock: prevent child netns mode switch from local to global

2026-02-13 12:28:38 -08:00

wireless

wifi: cfg80211: add initial UHR support

2026-02-02 10:11:07 +01:00

x25

net: Convert proto_ops connect() callbacks to use sockaddr_unsized

2025-11-04 19:10:32 -08:00

xdp

Revert "Merge branch 'netkit-support-for-io_uring-zero-copy-and-af_xdp'"

2026-01-20 18:06:01 -08:00

xfrm

Merge tag 'bpf-next-7.0' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

2026-02-10 11:26:21 -08:00

compat.c

socket: Unify getsockname and getpeername implementation

2025-11-26 13:45:23 -07:00

devres.c

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Kconfig

net: Kconfig: discourage drop_monitor enablement

2025-10-17 16:29:26 -07:00

Kconfig.debug

rtnetlink: Add per-netns RTNL.

2024-10-08 15:16:59 +02:00

Makefile

psp: base PSP device support

2025-09-18 12:32:06 +02:00

socket.c

Merge tag 'vfs-6.19-rc1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2025-12-05 15:52:30 -08:00

sysctl_net.c

…