linux_dsm_epyc7002/net/ipv4
Paolo Abeni 6761893eea inet_connection_sock: clear inet_num out of destroy helper
Clearing the 'inet_num' field is necessary and safe if and
only if the socket is not bound. The MPTCP protocol calls
the destroy helper on bound sockets, as tcp_v{4,6}_syn_recv_sock
completed successfully.

Move the clearing of such field out of the common code, otherwise
the MPTCP MP_JOIN error path will find the wrong 'inet_num' value
on socket disposal, __inet_put_port() will acquire the wrong lock
and bind_node removal could race with other modifiers possibly
corrupting the bind hash table.

Reported-and-tested-by: Christoph Paasch <cpaasch@apple.com>
Fixes: 729cd6436f ("mptcp: cope better with MP_JOIN failure")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-04 15:59:56 -07:00
..
bpfilter
netfilter netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code 2020-05-25 20:39:14 +02:00
af_inet.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-05-22 18:30:34 -07:00
ah4.c inet: Use fallthrough; 2020-03-12 15:55:00 -07:00
arp.c inet: Use fallthrough; 2020-03-12 15:55:00 -07:00
bpf_tcp_ca.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-03-30 19:52:37 -07:00
cipso_ipv4.c netlabel: cope with NULL catmap 2020-05-12 18:12:40 -07:00
datagram.c
devinet.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
esp4_offload.c esp4: improve xfrm4_beet_gso_segment() to be more readable 2020-05-18 09:55:19 +02:00
esp4.c
fib_frontend.c ipv4: nexthop version of fib_info_nh_uses_dev 2020-05-26 16:06:07 -07:00
fib_lookup.h net: add net available in build_state 2020-03-29 22:30:57 -07:00
fib_notifier.c
fib_rules.c
fib_semantics.c net: ipv4: add sysctl for nexthop api compatibility mode 2020-04-28 12:50:37 -07:00
fib_trie.c ipv4: Refactor nhc evaluation in fib_table_lookup 2020-05-26 16:06:07 -07:00
fou.c
gre_demux.c gre: fix uninit-value in __iptunnel_pull_header 2020-03-08 21:25:37 -07:00
gre_offload.c
icmp.c docs: networking: convert ip-sysctl.txt to ReST 2020-04-28 14:40:18 -07:00
igmp.c ip*_mc_gsfget(): lift copyout of struct group_filter into callers 2020-05-20 20:31:27 -04:00
inet_connection_sock.c inet_connection_sock: clear inet_num out of destroy helper 2020-06-04 15:59:56 -07:00
inet_diag.c inet_diag: bc: read cgroup id only for full sockets 2020-05-02 16:42:51 -07:00
inet_fragment.c
inet_hashtables.c
inet_timewait_sock.c
inetpeer.c
ip_forward.c
ip_fragment.c
ip_gre.c net: add a new ndo_tunnel_ioctl method 2020-05-19 15:45:11 -07:00
ip_input.c bpf: Add socket assign support 2020-03-30 13:45:04 -07:00
ip_options.c
ip_output.c net: Fix typo of SKB_SGO_CB_OFFSET 2020-03-29 21:53:18 -07:00
ip_sockglue.c ipv4: add ip_sock_set_pktinfo 2020-05-28 11:11:45 -07:00
ip_tunnel_core.c net: add net available in build_state 2020-03-29 22:30:57 -07:00
ip_tunnel.c net: add a new ndo_tunnel_ioctl method 2020-05-19 15:45:11 -07:00
ip_vti.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-31 17:48:46 -07:00
ipcomp.c
ipconfig.c Documentation: nfsroot.rst: Fix references to nfsroot.rst 2020-03-02 13:11:46 -07:00
ipip.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
ipmr_base.c
ipmr.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
Kconfig Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec-next 2020-05-29 13:02:33 -07:00
Makefile bpf: Add sockmap hooks for UDP sockets 2020-03-09 22:34:58 +01:00
metrics.c
netfilter.c
netlink.c
nexthop.c ipv4: nexthop: Fix deadcode issue by performing a proper NULL check 2020-06-01 11:05:35 -07:00
ping.c
proc.c mptcp: add and use MIB counter infrastructure 2020-03-29 22:14:49 -07:00
protocol.c
raw_diag.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
raw.c raw: Add missing annotations to raw_seq_start() and raw_seq_stop() 2020-03-11 23:19:40 -07:00
route.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-05-24 13:47:27 -07:00
syncookies.c
sysctl_net_ipv4.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2020-05-01 17:02:27 -07:00
tcp_bbr.c
tcp_bic.c tcp: fix stretch ACK bugs in BIC 2020-03-16 18:26:54 -07:00
tcp_bpf.c bpf, sockmap: bpf_tcp_ingress needs to subtract bytes from sg.size 2020-05-06 00:22:22 +02:00
tcp_cdg.c
tcp_cong.c
tcp_cubic.c
tcp_dctcp.c
tcp_dctcp.h
tcp_diag.c inet_diag: Move the INET_DIAG_REQ_BYTECODE nlattr to cb->data 2020-02-27 18:50:19 -08:00
tcp_fastopen.c
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c
tcp_illinois.c
tcp_input.c tcp: tcp_init_buffer_space can be static 2020-05-29 17:31:10 -07:00
tcp_ipv4.c tcp: ipv6: support RFC 6069 (TCP-LD) 2020-05-28 11:02:46 -07:00
tcp_lp.c
tcp_metrics.c
tcp_minisocks.c mptcp: add new sock flag to deal with join subflows 2020-05-15 12:30:13 -07:00
tcp_nv.c
tcp_offload.c
tcp_output.c tcp: defer xmit timer reset in tcp_xmit_retransmit_queue() 2020-05-06 17:29:38 -07:00
tcp_rate.c
tcp_recovery.c
tcp_scalable.c tcp: fix stretch ACK bugs in Scalable 2020-03-16 18:26:54 -07:00
tcp_timer.c tcp: add tp->dup_ack_counter 2020-04-30 13:24:01 -07:00
tcp_ulp.c bpf: sockmap: Only check ULP for TCP sockets 2020-03-09 22:34:58 +01:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c tcp: fix stretch ACK bugs in Veno 2020-03-16 18:26:55 -07:00
tcp_westwood.c
tcp_yeah.c tcp: fix stretch ACK bugs in Yeah 2020-03-16 18:26:55 -07:00
tcp.c tcp: add tcp_sock_set_keepcnt 2020-05-28 11:11:45 -07:00
tunnel4.c
udp_bpf.c bpf: Add sockmap hooks for UDP sockets 2020-03-09 22:34:58 +01:00
udp_diag.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-03-12 22:34:48 -07:00
udp_impl.h
udp_offload.c udp: initialize is_flist with 0 in udp_gro_receive 2020-03-30 10:35:03 -07:00
udp_tunnel.c net: Make locking in sock_bindtoindex optional 2020-06-01 14:57:14 -07:00
udp.c xfrm: add support for UDPv6 encapsulation of ESP 2020-04-28 11:28:36 +02:00
udplite.c
xfrm4_input.c xfrm: state: remove extract_input indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
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
xfrm4_state.c xfrm: remove output_finish indirection from xfrm_state_afinfo 2020-05-06 09:40:08 +02:00
xfrm4_tunnel.c