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linux/net/ipv4
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Eric Dumazet ff17119dce tcp: make tcp_read_sock() more robust 
[ Upstream commit e3d5ea2c01 ]

If recv_actor() returns an incorrect value, tcp_read_sock()
might loop forever.

Instead, issue a one time warning and make sure to make progress.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Jakub Sitnicki <jakub@cloudflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20220302161723.3910001-2-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-03-19 13:47:50 +01:00
..
bpfilter
net: Revert "net: optimize the sockptr_t for unified kernel/user address spaces"
2020-08-10 12:06:44 -07:00
netfilter
netfilter: ipt_CLUSTERIP: fix refcount leak in clusterip_tg_check()
2022-01-27 11:03:50 +01:00
af_inet.c
gso: do not skip outer ip header in case of ipip and net_failover
2022-03-02 11:47:56 +01:00
ah4.c
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
arp.c
net: Exempt multicast addresses from five-second neighbor lifetime
2020-11-13 14:24:39 -08:00
bpf_tcp_ca.c
bpf: Forbid bpf_ktime_get_coarse_ns and bpf_timer_* in tracing progs
2021-11-25 09:49:07 +01:00
cipso_ipv4.c
net: remove the unnecessary check in cipso_v4_doi_free
2021-09-03 13:52:29 +01:00
datagram.c
…
devinet.c
net: return correct error code
2021-12-08 09:04:38 +01:00
esp4_offload.c
esp: Fix BEET mode inter address family tunneling on GSO
2022-03-16 14:23:36 +01:00
esp4.c
esp: Fix possible buffer overflow in ESP transformation
2022-03-16 14:23:36 +01:00
fib_frontend.c
ipv4: convert fib_num_tclassid_users to atomic_t
2021-12-08 09:04:49 +01:00
fib_lookup.h
ipv4: fix data races in fib_alias_hw_flags_set
2022-02-23 12:03:10 +01:00
fib_notifier.c
…
fib_rules.c
ipv4: convert fib_num_tclassid_users to atomic_t
2021-12-08 09:04:49 +01:00
fib_semantics.c
ipv4: fix data races in fib_alias_hw_flags_set
2022-02-23 12:03:10 +01:00
fib_trie.c
ipv4: fix data races in fib_alias_hw_flags_set
2022-02-23 12:03:10 +01:00
fou.c
fou: remove sparse errors
2021-08-31 12:03:33 +01:00
gre_demux.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
gre_offload.c
ip_gre: add csum offload support for gre header
2021-01-29 20:39:14 -08:00
icmp.c
icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe
2021-10-14 07:54:47 -07:00
igmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-08-13 06:41:22 -07:00
inet_connection_sock.c
inet: use #ifdef CONFIG_SOCK_RX_QUEUE_MAPPING consistently
2021-12-17 10:30:13 +01:00
inet_diag.c
inet_diag: fix kernel-infoleak for UDP sockets
2021-12-22 09:32:40 +01:00
inet_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 11:05:35 +01:00
inet_hashtables.c
tcp: switch orphan_count to bare per-cpu counters
2021-11-18 19:16:33 +01:00
inet_timewait_sock.c
net: Use generic ns_common::count
2020-08-19 14:06:36 +02:00
inetpeer.c
inetpeer: use div64_ul() and clamp_val() calculate inet_peer_threshold
2021-03-01 13:32:12 -08:00
ip_forward.c
…
ip_fragment.c
inet: frags: annotate races around fqdir->dead and fqdir->high_thresh
2022-01-27 11:05:35 +01:00
ip_gre.c
gre: Don't accidentally set RTO_ONLINK in gre_fill_metadata_dst()
2022-01-27 11:05:36 +01:00
ip_input.c
net: use indirect call helpers for dst_input
2021-02-03 14:51:39 -08:00
ip_options.c
net: clean up codestyle for net/ipv4
2020-08-25 06:28:02 -07:00
ip_output.c
net-timestamp: convert sk->sk_tskey to atomic_t
2022-03-02 11:48:01 +01:00
ip_sockglue.c
Revert "Revert "ipv4: fix memory leaks in ip_cmsg_send() callers""
2021-09-14 14:24:31 +01:00
ip_tunnel_core.c
net: ip_tunnel: clean up endianness conversions
2021-01-08 19:25:35 -08:00
ip_tunnel.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-07-31 09:14:46 -07:00
ip_vti.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipcomp.c
Merge tag 'net-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2021-06-30 15:51:09 -07:00
ipconfig.c
net: ipconfig: Don't override command-line hostnames or domains
2021-06-02 13:27:03 -07:00
ipip.c
ip_tunnel: use ndo_siocdevprivate
2021-07-27 20:11:44 +01:00
ipmr_base.c
…
ipmr.c
ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path
2022-02-16 12:56:29 +01:00
Kconfig
net: ipv4: remove duplicate "the the" phrase in Kconfig text
2020-08-18 16:02:16 -07:00
Makefile
bpf: Clean up sockmap related Kconfigs
2021-02-26 12:28:03 -08:00
metrics.c
treewide: rename nla_strlcpy to nla_strscpy.
2020-11-16 08:08:54 -08:00
netfilter.c
netfilter: Dissect flow after packet mangling
2021-04-18 22:04:16 +02:00
netlink.c
…
nexthop.c
net: nexthop: release IPv6 per-cpu dsts when replacing a nexthop group
2021-12-01 09:04:49 +01:00
ping.c
ping: remove pr_err from ping_lookup
2022-03-02 11:47:52 +01:00
proc.c
tcp: switch orphan_count to bare per-cpu counters
2021-11-18 19:16:33 +01:00
protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
raw_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
raw.c
ipv4: raw: lock the socket in raw_bind()
2022-02-01 17:27:14 +01:00
route.c
ipv4: fix data races in fib_alias_hw_flags_set
2022-02-23 12:03:10 +01:00
syncookies.c
Merge tag 'selinux-pr-20201214' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
2020-12-16 11:01:04 -08:00
sysctl_net_ipv4.c
net: Introduce net.ipv4.tcp_migrate_req.
2021-06-15 18:01:05 +02:00
tcp_bbr.c
tcp_bbr: fix u32 wrap bug in round logic if bbr_init() called after 2B packets
2021-08-11 15:00:15 -07:00
tcp_bic.c
…
tcp_bpf.c
bpf, sockmap: Fix return codes from tcp_bpf_recvmsg_parser()
2022-01-27 11:03:50 +01:00
tcp_cdg.c
…
tcp_cong.c
net: Only allow init netns to set default tcp cong to a restricted algo
2021-05-04 11:58:28 -07:00
tcp_cubic.c
tcp_cubic: fix spurious Hystart ACK train detections for not-cwnd-limited flows
2021-12-01 09:04:52 +01:00
tcp_dctcp.c
…
tcp_dctcp.h
…
tcp_diag.c
…
tcp_fastopen.c
tcp: enable data-less, empty-cookie SYN with TFO_SERVER_COOKIE_NOT_REQD
2021-08-16 17:25:49 -07:00
tcp_highspeed.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_htcp.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_hybla.c
…
tcp_illinois.c
…
tcp_input.c
tcp: add missing tcp_skb_can_collapse() test in tcp_shift_skb_data()
2022-02-05 12:38:59 +01:00
tcp_ipv4.c
inet: fully convert sk->sk_rx_dst to RCU rules
2021-12-29 12:28:42 +01:00
tcp_lp.c
ipv4: tcp_lp.c: Couple of typo fixes
2021-03-28 17:31:13 -07:00
tcp_metrics.c
Merge tag 'fixes-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
2020-12-14 16:40:27 -08:00
tcp_minisocks.c
tcp: Add stats for socket migration.
2021-06-23 12:56:08 -07:00
tcp_nv.c
…
tcp_offload.c
net, gro: Set inner transport header offset in tcp/udp GRO hook
2021-08-02 10:20:56 +01:00
tcp_output.c
net: add and use skb_unclone_keeptruesize() helper
2021-11-25 09:49:08 +01:00
tcp_rate.c
…
tcp_recovery.c
tcp: more accurately check DSACKs to grow RACK reordering window
2021-07-27 20:07:21 +01:00
tcp_scalable.c
net: ipv4: delete repeated words
2020-08-24 17:31:20 -07:00
tcp_timer.c
net: sock: introduce sk_error_report
2021-06-29 11:28:21 -07:00
tcp_ulp.c
…
tcp_vegas.c
tcp: use semicolons rather than commas to separate statements
2020-10-13 17:11:52 -07:00
tcp_vegas.h
…
tcp_veno.c
Replace HTTP links with HTTPS ones: IPv*
2020-07-06 13:23:03 -07:00
tcp_westwood.c
…
tcp_yeah.c
tcp_yeah: check struct yeah size at compile time
2021-06-29 11:54:36 -07:00
tcp.c
tcp: make tcp_read_sock() more robust
2022-03-19 13:47:50 +01:00
tunnel4.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
udp_bpf.c
net: Implement ->sock_is_readable() for UDP and AF_UNIX
2021-10-26 12:29:33 -07:00
udp_diag.c
net: Use nlmsg_unicast() instead of netlink_unicast()
2021-07-13 09:28:29 -07:00
udp_impl.h
net: pass a sockptr_t into ->setsockopt
2020-07-24 15:41:54 -07:00
udp_offload.c
fou: remove sparse errors
2021-08-31 12:03:33 +01:00
udp_tunnel_core.c
udp_tunnel: reshuffle NETIF_F_RX_UDP_TUNNEL_PORT checks
2021-01-07 12:53:29 -08:00
udp_tunnel_nic.c
udp_tunnel: Fix end of loop test in udp_tunnel_nic_unregister()
2022-03-02 11:47:59 +01:00
udp_tunnel_stub.c
udp_tunnel: add central NIC RX port offload infrastructure
2020-07-10 13:54:00 -07:00
udp.c
net: udp: fix alignment problem in udp4_seq_show()
2022-01-11 15:35:18 +01:00
udplite.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_input.c
…
xfrm4_output.c
xfrm: fix unused variable warning if CONFIG_NETFILTER=n
2020-05-11 15:12:27 +02:00
xfrm4_policy.c
…
xfrm4_protocol.c
net: Remove the member netns_ok
2021-05-17 15:29:35 -07:00
xfrm4_state.c
…
xfrm4_tunnel.c
xfrm: remove description from xfrm_type struct
2021-06-09 09:38:52 +02:00