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2fab94bcf3
linux-yocto/net/ipv6
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Eric Dumazet 2fab94bcf3 ipv6: snmp: do not track per idev ICMP6_MIB_RATELIMITHOST 
Blamed commit added a critical false sharing on a single
atomic_long_t under DOS, like receiving UDP packets
to closed ports.

Per netns ICMP6_MIB_RATELIMITHOST tracking uses per-cpu
storage and is enough, we do not need per-device and slow tracking.

Fixes: d0941130c9 ("icmp: Add counters for rate limits")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Jamie Bainbridge <jamie.bainbridge@gmail.com>
Cc: Abhishek Rawal <rawal.abhishek92@gmail.com>
Link: https://patch.msgid.link/20250905165813.1470708-4-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-09-08 18:06:20 -07:00
..
ila ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
netfilter netfilter: nf_reject: remove unneeded exports 2025-09-02 15:28:17 +02:00
addrconf_core.c
addrconf.c ipv6: Add sanity checks on ipv6_devconf.rpl_seg_enabled 2025-09-02 17:01:14 -07:00
addrlabel.c net: replace ADDRLABEL with dynamic debug 2025-07-08 15:04:05 +02:00
af_inet6.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
ah6.c
anycast.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
calipso.c net: ipv6: Fix spelling mistake 2025-07-02 15:42:29 -07:00
datagram.c net: add sk_drops_read(), sk_drops_inc() and sk_drops_reset() helpers 2025-08-28 13:14:50 +02:00
esp6_offload.c
esp6.c tcp: Don't pass hashinfo to socket lookup helpers. 2025-08-25 17:53:35 -07:00
exthdrs_core.c
exthdrs_offload.c
exthdrs.c ipv6: annotate data-races around devconf->rpl_seg_enabled 2025-09-02 17:01:06 -07:00
fib6_notifier.c
fib6_rules.c
fou6.c
icmp.c ipv6: snmp: do not track per idev ICMP6_MIB_RATELIMITHOST 2025-09-08 18:06:20 -07:00
inet6_connection_sock.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
inet6_hashtables.c tcp: Don't pass hashinfo to socket lookup helpers. 2025-08-25 17:53:35 -07:00
ioam6_iptunnel.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
ioam6.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
ip6_checksum.c
ip6_fib.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-26 11:49:45 -07:00
ip6_flowlabel.c treewide: Switch/rename to timer_delete[_sync]() 2025-04-05 10:30:12 +02:00
ip6_gre.c ipv6: ip6_gre: replace strcpy with strscpy for tunnel name 2025-08-19 18:06:24 -07:00
ip6_icmp.c icmp: fix icmp_ndo_send address translation for reply direction 2025-09-01 12:54:41 -07:00
ip6_input.c net: preserve MSG_ZEROCOPY with forwarding 2025-07-02 15:07:16 -07:00
ip6_offload.c ipv6: reject malicious packets in ipv6_gso_segment() 2025-08-01 14:40:53 -07:00
ip6_offload.h
ip6_output.c ipv6: use RCU in ip6_output() 2025-08-29 19:36:32 -07:00
ip6_tunnel.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
ip6_udp_tunnel.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
ip6_vti.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
ip6mr.c ipv6: ip6_mc_input() and ip6_mr_input() cleanups 2025-07-02 14:32:30 -07:00
ipcomp6.c xfrm: delete x->tunnel as we delete x 2025-07-08 13:28:27 +02:00
ipv6_sockglue.c ipv6: Remove setsockopt_needs_rtnl(). 2025-07-08 18:32:39 -07:00
Kconfig ipv6: sr: Use HMAC-SHA1 and HMAC-SHA256 library functions 2025-08-26 18:11:29 -07:00
Makefile
mcast_snoop.c
mcast.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
mip6.c
ndisc.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
netfilter.c netfilter: Switch to skb_dstref_steal to clear dst_entry 2025-08-19 17:54:19 -07:00
output_core.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
ping.c inet: ping: remove ping_hash() 2025-09-01 13:15:14 -07:00
proc.c ipv6: snmp: do not track per idev ICMP6_MIB_RATELIMITHOST 2025-09-08 18:06:20 -07:00
protocol.c
raw.c inet: raw: add drop_counters to raw sockets 2025-08-28 13:14:50 +02:00
reassembly.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
route.c ipv6: start using dst_dev_rcu() 2025-08-29 19:36:32 -07:00
rpl_iptunnel.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-07-17 11:00:33 -07:00
rpl.c
seg6_hmac.c ipv6: sr: Prepare HMAC key ahead of time 2025-08-26 18:11:29 -07:00
seg6_iptunnel.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
seg6_local.c ipv6: adopt dst_dev() helper 2025-07-02 14:32:30 -07:00
seg6.c ipv6: sr: Use HMAC-SHA1 and HMAC-SHA256 library functions 2025-08-26 18:11:29 -07:00
sit.c ipv6: sit: Add ipip6_tunnel_dst_find() for cleanup 2025-09-04 10:03:59 +02:00
syncookies.c net: annotate races around sk->sk_uid 2025-06-23 17:04:03 -07:00
sysctl_net_ipv6.c
tcp_ao.c
tcp_ipv6.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-09-04 13:33:00 -07:00
tcpv6_offload.c tcp: Don't pass hashinfo to socket lookup helpers. 2025-08-25 17:53:35 -07:00
tunnel6.c
udp_impl.h udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
udp_offload.c udp_tunnel: create a fastpath GRO lookup. 2025-04-08 18:19:41 -07:00
udp.c net: add sk_drops_read(), sk_drops_inc() and sk_drops_reset() helpers 2025-08-28 13:14:50 +02:00
udplite.c udp: move udp_memory_allocated into net_aligned_data 2025-07-02 14:22:02 -07:00
xfrm6_input.c xfrm: Set transport header to fix UDP GRO handling 2025-07-02 09:19:56 +02:00
xfrm6_output.c ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers 2025-07-02 14:32:30 -07:00
xfrm6_policy.c
xfrm6_protocol.c
xfrm6_state.c
xfrm6_tunnel.c xfrm: flush all states in xfrm_state_fini 2025-08-06 09:23:38 +02:00