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linux/net/ipv4
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Eric Dumazet 9233a88f4b sctp: support MSG_ERRQUEUE flag in recvmsg() 
[ Upstream commit 4746b36b1abe11ca32987b2d21e1e770deab17cc ]

For some reason sctp_poll() generates EPOLLERR if sk->sk_error_queue
is not empty but recvmsg() can not drain the error queue yet.

This is needed to better support timestamping.

I had to export inet_recv_error(), since sctp
can be compiled as a module.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Cc: Willem de Bruijn <willemb@google.com>
Acked-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/20231212145550.3872051-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: a562c0a2d651 ("sctp: fix busy polling")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-01-25 15:27:30 -08:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: tproxy: fix deadlock due to missing BH disable
2023-03-17 08:50:25 +01:00
af_inet.c
sctp: support MSG_ERRQUEUE flag in recvmsg()
2024-01-25 15:27:30 -08:00
ah4.c
xfrm: ah: add extack to ah_init_state, ah6_init_state
2022-09-29 07:17:59 +02:00
arp.c
neighbour: annotate lockless accesses to n->nud_state
2023-10-10 22:00:42 +02:00
bpf_tcp_ca.c
bpf: Use 0 instead of NOT_INIT for btf_struct_access() writes
2022-09-10 17:27:32 -07:00
cipso_ipv4.c
cipso: Fix data-races around sysctl.
2022-07-08 12:10:33 +01:00
datagram.c
ipv4: fix data-races around inet->inet_id
2023-08-30 16:11:02 +02:00
devinet.c
net: ipv4: fix one memleak in __inet_del_ifa()
2023-09-19 12:28:08 +02:00
esp4_offload.c
xfrm: Linearize the skb after offloading if needed.
2023-06-28 11:12:29 +02:00
esp4.c
net: ipv4: fix return value check in esp_remove_trailer
2023-10-25 12:03:06 +02:00
fib_frontend.c
ipv4: Fix incorrect table ID in IOCTL path
2023-03-22 13:33:50 +01:00
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: ipv4: remove superfluous header files from fib_notifier.c
2021-09-28 17:32:56 -07:00
fib_rules.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
fib_semantics.c
ipv4/fib: send notify when delete source address routes
2023-10-25 12:03:11 +02:00
fib_trie.c
ipv4/fib: send notify when delete source address routes
2023-10-25 12:03:11 +02:00
fou.c
genetlink: start to validate reserved header bytes
2022-08-29 12:47:15 +01:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
net: gro: skb_gro_header helper function
2022-08-25 10:33:21 +02:00
icmp.c
icmp: guard against too small mtu
2023-04-13 16:55:21 +02:00
igmp.c
ipv4: igmp: fix refcnt uaf issue when receiving igmp query packet
2023-12-08 08:51:17 +01:00
inet_connection_sock.c
tcp: allow again tcp_disconnect() when threads are waiting
2023-10-25 12:03:12 +02:00
inet_diag.c
net: annotate data-races around sk->sk_mark
2023-08-11 12:08:14 +02:00
inet_fragment.c
ipv4: remove unnecessary type castings
2022-04-30 15:12:58 +01:00
inet_hashtables.c
net: set SOCK_RCU_FREE before inserting socket into hashtable
2023-11-28 17:07:04 +00:00
inet_timewait_sock.c
Revert "tcp: avoid the lookup process failing to get sk in ehash table"
2023-07-27 08:50:45 +02:00
inetpeer.c
inetpeer: Fix data-races around sysctl.
2022-07-08 12:10:33 +01:00
ip_forward.c
ip: Fix data-races around sysctl_ip_fwd_update_priority.
2022-07-15 11:49:55 +01:00
ip_fragment.c
net: ip: Handle delivery_time in ip defrag
2022-03-03 14:38:48 +00:00
ip_gre.c
ipv4: ip_gre: Avoid skb_pull() failure in ipgre_xmit()
2023-12-13 18:39:09 +01:00
ip_input.c
ipv4: ignore dst hint for multipath routes
2023-09-19 12:28:01 +02:00
ip_options.c
ipv4: drop fragmentation code from ip_options_build()
2022-01-29 17:53:07 +00:00
ip_output.c
net: annotate data-races around sk->sk_tsflags
2024-01-10 17:10:23 +01:00
ip_sockglue.c
net: annotate data-races around sk->sk_tsflags
2024-01-10 17:10:23 +01:00
ip_tunnel_core.c
tunnels: fix kasan splat when generating ipv4 pmtu error
2023-08-16 18:27:27 +02:00
ip_tunnel.c
net: tunnels: annotate lockless accesses to dev->needed_headroom
2023-03-22 13:33:46 +01:00
ip_vti.c
ip_vti: fix potential slab-use-after-free in decode_session6
2023-08-23 17:52:32 +02:00
ipcomp.c
xfrm: ipcomp: add extack to ipcomp{4,6}_init_state
2022-09-29 07:18:00 +02:00
ipconfig.c
Merge tag 'driver-core-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-08-04 11:31:20 -07:00
ipip.c
net: Add helper function to parse netlink msg of ip_tunnel_parm
2022-10-03 07:59:06 +01:00
ipmr_base.c
ipmr: adopt rcu_read_lock() in mr_dump()
2022-06-24 11:34:38 +01:00
ipmr.c
ipmr: support IP_PKTINFO on cache report IGMP msg
2024-01-25 15:27:28 -08:00
Kconfig
tcp: configurable source port perturb table size
2022-11-16 13:02:04 +00:00
Makefile
bpf: Clean up sockmap related Kconfigs
2021-02-26 12:28:03 -08:00
metrics.c
ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()
2023-02-01 08:34:45 +01:00
netfilter.c
netfilter: Use l3mdev flow key when re-routing mangled packets
2022-05-16 13:03:29 +02:00
netlink.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
nexthop.c
neighbour: switch to standard rcu, instead of rcu_bh
2023-10-10 22:00:42 +02:00
ping.c
ping: Fix potentail NULL deref for /proc/net/icmp.
2023-04-13 16:55:24 +02:00
proc.c
tcp: Don't allocate tcp_death_row outside of struct netns_ipv4.
2022-09-20 10:21:49 -07:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
raw: Fix NULL deref in raw_get_next().
2023-04-13 16:55:23 +02:00
raw.c
net: annotate data-races around sk->sk_priority
2023-08-11 12:08:15 +02:00
route.c
ipv4: Correct/silence an endian warning in __ip_do_redirect
2023-12-03 07:32:07 +01:00
syncookies.c
tcp: fix cookie_init_timestamp() overflows
2023-11-20 11:51:54 +01:00
sysctl_net_ipv4.c
tcp: enforce receive buffer memory limits by allowing the tcp window to shrink
2023-10-19 23:08:54 +02:00
tcp_bbr.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -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
tcp_bpf: properly release resources on error paths
2023-10-25 12:03:13 +02:00
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: Add tracepoint for tcp_set_ca_state
2022-04-07 20:33:15 -07:00
tcp_cubic.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -07:00
tcp_dctcp.c
bpf: Switch to new kfunc flags infrastructure
2022-07-21 20:59:42 -07:00
tcp_dctcp.h
tcp: refactor DCTCP ECN ACK handling
2018-10-10 22:26:00 -07:00
tcp_diag.c
tcp: Access &tcp_hashinfo via net.
2022-09-20 10:21:49 -07:00
tcp_fastopen.c
tcp: annotate data-races around fastopenq.max_qlen
2023-07-27 08:50:49 +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: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -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
tcp: do not accept ACK of bytes we never sent
2023-12-13 18:39:11 +01:00
tcp_ipv4.c
ipv4, ipv6: Use splice_eof() to flush
2024-01-10 17:10:27 +01:00
tcp_lp.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_metrics.c
tcp_metrics: do not create an entry from tcp_init_metrics()
2023-11-20 11:51:53 +01:00
tcp_minisocks.c
tcp: annotate data-races around tcp_rsk(req)->ts_recent
2023-07-27 08:50:45 +02:00
tcp_nv.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_offload.c
tcp: gso: really support BIG TCP
2023-06-14 11:15:20 +02:00
tcp_output.c
net: Remove acked SYN flag from packet in the transmit queue correctly
2023-12-20 17:00:18 +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
2023-10-25 12:03:06 +02:00
tcp_scalable.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_timer.c
net: tcp: fix unexcepted socket die when snd_wnd is 0
2023-09-13 09:42:32 +02:00
tcp_ulp.c
net/ulp: use consistent error code when blocking ULP
2023-01-24 07:24:43 +01:00
tcp_vegas.c
tcp: add accessors to read/set tp->snd_cwnd
2022-04-06 12:05:41 -07:00
tcp_vegas.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
ipv4, ipv6: Use splice_eof() to flush
2024-01-10 17:10:27 +01:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
bpf, sockmap: Fix an infinite loop error when len is 0 in tcp_bpf_recvmsg_parser()
2023-03-17 08:50:24 +01:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
net: remove noblock parameter from recvmsg() entities
2022-04-12 15:00:25 +02:00
udp_offload.c
udp: move udp->gro_enabled to udp->udp_flags
2024-01-10 17:10:28 +01:00
udp_tunnel_core.c
udp: lockless UDP_ENCAP_L2TPINUDP / UDP_GRO
2024-01-10 17:10:28 +01:00
udp_tunnel_nic.c
udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister()
2022-02-23 12:35:00 +00:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
udp: annotate data-races around udp->encap_type
2024-01-10 17:10:28 +01:00
udplite.c
udplite: Fix NULL pointer dereference in __sk_mem_raise_allocated().
2023-05-30 14:03:20 +01:00
xfrm4_input.c
udp: annotate data-races around udp->encap_type
2024-01-10 17:10:28 +01:00
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
xfrm4_policy.c
net: rename reference+tracking helpers
2022-06-09 21:52:55 -07:00
xfrm4_protocol.c
net: xfrm: unexport __init-annotated xfrm4_protocol_init()
2022-06-08 10:10:13 -07:00
xfrm4_state.c
xfrm: remove output_finish indirection from xfrm_state_afinfo
2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c
xfrm: tunnel: add extack to ipip_init_state, xfrm6_tunnel_init_state
2022-09-29 07:18:00 +02:00