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e400c7444d84b0fd2ebb34e618f83abe05917543
linux/net/ipv4
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Dmitry Safonov 6b2d11e2d8 net/tcp: Add missing lockdep annotations for TCP-AO hlist traversals 
Under CONFIG_PROVE_RCU_LIST + CONFIG_RCU_EXPERT
hlist_for_each_entry_rcu() provides very helpful splats, which help
to find possible issues. I missed CONFIG_RCU_EXPERT=y in my testing
config the same as described in
a3e4bf7f96 ("configs/debug: make sure PROVE_RCU_LIST=y takes effect").

The fix itself is trivial: add the very same lockdep annotations
as were used to dereference ao_info from the socket.

Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20241028152645.35a8be66@kernel.org/
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20241030-tcp-ao-hlist-lockdep-annotate-v1-1-bf641a64d7c6@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-11-03 12:10:11 -08:00
..
netfilter
netfilter: fib: check correct rtable in vrf setups
2024-10-09 23:30:31 +02:00
af_inet.c
net: inet: do not leave a dangling sk pointer in inet_create()
2024-10-15 18:43:08 -07:00
ah4.c
net: fill in MODULE_DESCRIPTION()s for ipv4 modules
2024-02-09 14:12:02 -08:00
arp.c
arp: Convert ioctl(SIOCGARP) to RCU.
2024-05-01 18:37:07 -07:00
bpf_tcp_ca.c
bpf: Check unsupported ops from the bpf_struct_ops's cfi_stubs
2024-07-29 12:54:13 -07:00
cipso_ipv4.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
datagram.c
ipv4: Set the routing scope properly in ip_route_output_ports().
2024-02-12 17:33:05 -08:00
devinet.c
ipv4: Convert devinet_ioctl to per-netns RTNL.
2024-10-29 11:54:58 +01:00
esp4_offload.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-07-15 13:19:17 -07:00
esp4.c
net: support non paged skb frags
2024-09-11 20:44:31 -07:00
fib_frontend.c
ipv4: Prepare fib_compute_spec_dst() to future .flowi4_tos conversion.
2024-10-29 11:21:05 -07:00
fib_lookup.h
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-02-17 11:44:20 -08:00
fib_notifier.c
net: do not acquire rtnl in fib_seq_sum()
2024-10-11 15:35:05 -07:00
fib_rules.c
ipv4: use READ_ONCE()/WRITE_ONCE() on net->ipv4.fib_seq
2024-10-11 15:35:05 -07:00
fib_semantics.c
ipv4: remove fib_info_devhash[]
2024-10-07 16:46:27 -07:00
fib_trie.c
ipv4: replace call_rcu by kfree_rcu for simple kmem_cache_free callback
2024-10-15 10:50:21 -07:00
fou_bpf.c
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
fou_core.c
fou: fix initialization of grc
2024-09-09 17:21:47 -07:00
fou_nl.c
tools: ynl-gen: use big-endian netlink attribute types
2024-10-22 15:33:24 +02:00
fou_nl.h
net: ynl: prefix uAPI header include with uapi/
2023-05-26 10:30:14 +01:00
gre_demux.c
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
gre_offload.c
net: gro: rename skb_gro_header_hard()
2024-03-05 13:30:11 +01:00
icmp.c
ipv4: Prepare icmp_reply() to future .flowi4_tos conversion.
2024-10-29 11:21:05 -07:00
igmp.c
net: ipv4: igmp: optimize ____ip_mc_inc_group() using mc_hash
2024-10-09 12:50:11 +01:00
inet_connection_sock.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-10-21 09:14:18 +02:00
inet_diag.c
tcp: annotate data-races around icsk->icsk_pending
2024-10-04 15:34:39 -07:00
inet_fragment.c
net: Rename mono_delivery_time to tstamp_type for scalabilty
2024-05-23 14:14:23 -07:00
inet_hashtables.c
inet: constify 'struct net' parameter of various lookup helpers
2024-08-05 16:22:45 -07:00
inet_timewait_sock.c
tcp: move inet_twsk_schedule helper out of header
2024-06-10 11:54:18 +01:00
inetpeer.c
inetpeer: replace call_rcu by kfree_rcu for simple kmem_cache_free callback
2024-10-15 10:50:21 -07:00
ip_forward.c
net: fix IPSTATS_MIB_OUTFORWDATAGRAMS increment after fragment check
2023-10-13 09:58:45 -07:00
ip_fragment.c
ipv4: Convert ip_route_input_noref() to dscp_t.
2024-10-03 16:21:21 -07:00
ip_gre.c
ipv4: ip_gre: Fix drops of small packets in ipgre_xmit
2024-10-01 13:04:03 +02:00
ip_input.c
ipv4: Convert ip_route_use_hint() to dscp_t.
2024-10-09 17:31:40 -07:00
ip_options.c
ipv4: Convert ip_route_input() to dscp_t.
2024-10-03 16:21:21 -07:00
ip_output.c
ipv4: tcp: give socket pointer to control skbs
2024-10-14 17:39:37 -07:00
ip_sockglue.c
inet: Add getsockopt support for IP_ROUTER_ALERT and IPV6_ROUTER_ALERT
2024-03-06 12:37:06 +00:00
ip_tunnel_core.c
ip_tunnel: convert __be16 tunnel flags to bitmaps
2024-04-01 10:49:28 +01:00
ip_tunnel.c
ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_find()
2024-10-29 11:12:53 -07:00
ip_vti.c
netdev_features: convert NETIF_F_LLTX to dev->lltx
2024-09-03 11:36:43 +02:00
ipcomp.c
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.c
net: ipconfig: move ic_nameservers_fallback into #ifdef block
2023-05-22 11:17:55 +01:00
ipip.c
netdev_features: convert NETIF_F_LLTX to dev->lltx
2024-09-03 11:36:43 +02:00
ipmr_base.c
ipmr: adopt rcu_read_lock() in mr_dump()
2022-06-24 11:34:38 +01:00
ipmr.c
ipv4: Prepare ipmr_rt_fib_lookup() to future .flowi4_tos conversion.
2024-10-29 11:21:05 -07:00
Kconfig
net/tcp: Expand goo.gl link
2024-07-30 18:35:12 -07:00
Makefile
bpfilter: remove bpfilter
2024-01-04 10:23:10 -08:00
metrics.c
net: remove NULL-pointer net parameter in ip_metrics_convert
2024-06-05 10:06:00 +01:00
netfilter.c
ipv4: netfilter: Unmask upper DSCP bits in ip_route_me_harder()
2024-09-09 14:14:53 +01:00
netlink.c
…
nexthop.c
ipv4: Use rtnl_register_many().
2024-10-15 18:52:26 -07:00
ping.c
ping: use sk_skb_reason_drop to free rx packets
2024-06-19 12:44:22 +01:00
proc.c
minmax: add a few more MIN_T/MAX_T users
2024-07-28 13:41:14 -07:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
inet_diag: add module pointer to "struct inet_diag_handler"
2024-01-23 15:13:54 +01:00
raw.c
net_tstamp: add SCM_TS_OPT_ID for RAW sockets
2024-10-04 11:52:19 -07:00
route.c
ipv4: Prepare ip_rt_get_source() to future .flowi4_tos conversion.
2024-10-29 11:21:06 -07:00
syncookies.c
tcp: use sk_skb_reason_drop to free rx packets
2024-06-19 12:44:22 +01:00
sysctl_net_ipv4.c
icmp: icmp_msgs_per_sec and icmp_msgs_burst sysctls become per netns
2024-08-30 11:14:06 -07:00
tcp_ao.c
net/tcp: Add missing lockdep annotations for TCP-AO hlist traversals
2024-11-03 12:10:11 -08:00
tcp_bbr.c
tcp: Add new args for cong_control in tcp_congestion_ops
2024-05-02 16:26:56 -07:00
tcp_bic.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_bpf.c
bpf: fix filed access without lock
2024-10-29 10:54:05 -07:00
tcp_cdg.c
Merge tag 'random-6.1-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
2022-10-16 15:27:07 -07:00
tcp_cong.c
tcp: only release congestion control if it has been initialized
2024-10-31 18:22:48 -07:00
tcp_cubic.c
bpf: Remove CONFIG_X86 and CONFIG_DYNAMIC_FTRACE guard from the tcp-cc kfuncs
2024-03-28 18:31:40 -07:00
tcp_dctcp.c
tcp: Fix shift-out-of-bounds in dctcp_update_alpha().
2024-05-21 13:34:50 +02:00
tcp_dctcp.h
…
tcp_diag.c
inet_diag: add module pointer to "struct inet_diag_handler"
2024-01-23 15:13:54 +01:00
tcp_fastopen.c
net: use unrcu_pointer() helper
2024-06-06 11:52:52 +02:00
tcp_highspeed.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_htcp.c
tcp: Use clamp() in htcp_alpha_update()
2024-08-06 12:16:25 -07:00
tcp_hybla.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_illinois.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_input.c
net: tcp: Add noinline_for_tracing annotation for tcp_drop_reason()
2024-11-03 09:02:32 -08:00
tcp_ipv4.c
net/tcp: Add missing lockdep annotations for TCP-AO hlist traversals
2024-11-03 12:10:11 -08:00
tcp_lp.c
tcp: rename tcp_time_stamp() to tcp_time_stamp_ts()
2023-10-23 09:35:01 +01:00
tcp_metrics.c
tcp_metrics: use netlink policy for IPv6 addr len validation
2024-08-19 17:42:57 -07:00
tcp_minisocks.c
tcp: RX path for devmem TCP
2024-09-11 20:44:32 -07:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_offload.c
net: gso: fix tcp fraglist segmentation after pull from frag_list
2024-10-02 17:21:47 -07:00
tcp_output.c
tcp: add more warn of socket in tcp_send_loss_probe()
2024-10-30 13:26:55 +00:00
tcp_plb.c
prandom: remove prandom_u32_max()
2022-12-20 03:13:45 +01:00
tcp_rate.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-04-28 13:02:01 -07:00
tcp_recovery.c
tcp: fix excessive TLP and RACK timeouts from HZ rounding
2023-10-17 17:25:42 -07:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_sigpool.c
net/tcp_sigpool: Use nested-BH locking for sigpool_scratch.
2024-06-24 16:41:22 -07:00
tcp_timer.c
net: tcp: refresh tcp_mstamp for compressed ack in timer
2024-10-07 16:01:39 -07:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-19 09:26:16 -08:00
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_vegas.h
…
tcp_veno.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_westwood.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_yeah.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp.c
tcp: only release congestion control if it has been initialized
2024-10-31 18:22:48 -07:00
tunnel4.c
net: fill in MODULE_DESCRIPTION()s for ipv4 modules
2024-02-09 14:12:02 -08:00
udp_bpf.c
bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser()
2023-03-03 17:25:15 +01:00
udp_diag.c
inet_diag: add module pointer to "struct inet_diag_handler"
2024-01-23 15:13:54 +01:00
udp_impl.h
sock: Remove ->sendpage*() in favour of sendmsg(MSG_SPLICE_PAGES)
2023-06-24 15:50:13 -07:00
udp_offload.c
gso: fix udp gso fraglist segmentation after pull from frag_list
2024-10-02 17:29:31 -07:00
udp_tunnel_core.c
ipv4: udp_tunnel: Unmask upper DSCP bits in udp_tunnel_dst_lookup()
2024-09-09 14:14:53 +01:00
udp_tunnel_nic.c
udp_tunnel: Use flex array to simplify code
2023-10-03 11:39:34 +02:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-10-21 09:14:18 +02:00
udplite.c
udplite: remove UDPLITE_BIT
2023-09-14 16:16:36 +02:00
xfrm4_input.c
ipv4: Convert ip_route_input_noref() to dscp_t.
2024-10-03 16:21:21 -07:00
xfrm4_output.c
…
xfrm4_policy.c
xfrm: respect ip protocols rules criteria when performing dst lookups
2024-09-23 07:02:07 +02:00
xfrm4_protocol.c
ipv4: Convert ip_route_input_noref() to dscp_t.
2024-10-03 16:21:21 -07:00
xfrm4_state.c
…
xfrm4_tunnel.c
net: fill in MODULE_DESCRIPTION()s for ipv4 modules
2024-02-09 14:12:02 -08:00