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linux/net/ipv4
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WANG Cong d747a7a51b tcp: reset sk_rx_dst in tcp_disconnect() 
We have to reset the sk->sk_rx_dst when we disconnect a TCP
connection, because otherwise when we re-connect it this
dst reference is simply overridden in tcp_finish_connect().

This fixes a dst leak which leads to a loopback dev refcnt
leak. It is a long-standing bug, Kevin reported a very similar
(if not same) bug before. Thanks to Andrei for providing such
a reliable reproducer which greatly narrows down the problem.

Fixes: 41063e9dd1 ("ipv4: Early TCP socket demux.")
Reported-by: Andrei Vagin <avagin@gmail.com>
Reported-by: Kevin Xu <kaiwen.xu@hulu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2017-06-25 12:23:07 -04:00
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netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-05-01 10:47:53 -04:00
Kconfig
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Makefile
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af_inet.c net: ping: do not abuse udp_poll() 2017-06-04 22:56:55 -04:00
ah4.c
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arp.c arp: fixed -Wuninitialized compiler warning 2017-05-25 13:38:20 -04:00
cipso_ipv4.c
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datagram.c
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devinet.c net: rtnetlink: plumb extended ack to doit function 2017-04-17 15:35:38 -04:00
esp4.c esp4: Fix udpencap for local TCP packets. 2017-05-04 07:27:26 +02:00
esp4_offload.c esp4/6: Fix GSO path for non-GSO SW-crypto packets 2017-04-19 07:48:57 +02:00
fib_frontend.c net: Improve handling of failures on link and route dumps 2017-05-16 14:54:11 -04:00
fib_lookup.h
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fib_notifier.c
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fib_rules.c
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fib_semantics.c ipv4: add reference counting to metrics 2017-05-26 14:57:07 -04:00
fib_trie.c net: Improve handling of failures on link and route dumps 2017-05-16 14:54:11 -04:00
fou.c
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gre_demux.c
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gre_offload.c
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icmp.c net: don't global ICMP rate limit packets originating from loopback 2017-06-14 15:33:58 -04:00
igmp.c igmp: add a missing spin_lock_init() 2017-06-20 15:51:57 -04:00
inet_connection_sock.c dccp/tcp: do not inherit mc_list from parent 2017-05-09 15:17:49 -04:00
inet_diag.c
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inet_fragment.c
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inet_hashtables.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
inet_timewait_sock.c
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inetpeer.c
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ip_forward.c
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ip_fragment.c
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ip_gre.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
ip_input.c
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ip_options.c
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ip_output.c net: account for current skb length when deciding about UFO 2017-06-23 13:29:38 -04:00
ip_sockglue.c ipv4: get rid of ip_ra_lock 2017-04-30 22:44:04 -04:00
ip_tunnel.c ip_tunnel: fix potential issue in ip_tunnel_rcv 2017-06-16 12:01:29 -04:00
ip_tunnel_core.c netlink: pass extended ACK struct to parsing functions 2017-04-13 13:58:22 -04:00
ip_vti.c vti: check nla_put_* return value 2017-05-08 15:10:31 -04:00
ipcomp.c
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ipconfig.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-04-06 08:24:51 -07:00
ipip.c ip_tunnel: Allow policy-based routing through tunnels 2017-04-21 13:21:31 -04:00
ipmr.c net: ipmr: Fix some mroute forwarding issues in vrf's 2017-06-11 18:15:06 -04:00
netfilter.c
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ping.c ping: implement proper locking 2017-03-24 20:50:28 -07:00
proc.c net/tcp_fastopen: Add snmp counter for blackhole detection 2017-04-24 14:27:17 -04:00
protocol.c
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raw.c ipv4, ipv6: ensure raw socket message is big enough to hold an IP header 2017-05-04 11:02:46 -04:00
raw_diag.c
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route.c ipv4: add reference counting to metrics 2017-05-26 14:57:07 -04:00
syncookies.c tcp: randomize timestamps on syncookies 2017-05-05 12:00:11 -04:00
sysctl_net_ipv4.c net/tcp_fastopen: Disable active side TFO in certain scenarios 2017-04-24 14:27:17 -04:00
tcp.c tcp: reset sk_rx_dst in tcp_disconnect() 2017-06-25 12:23:07 -04:00
tcp_bbr.c
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tcp_bic.c
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tcp_cdg.c
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tcp_cong.c tcp: disallow cwnd undo when switching congestion control 2017-06-02 14:18:13 -04:00
tcp_cubic.c tcp_cubic: fix typo in module param description 2017-04-20 16:16:44 -04:00
tcp_dctcp.c
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tcp_diag.c
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tcp_fastopen.c net/tcp_fastopen: Add snmp counter for blackhole detection 2017-04-24 14:27:17 -04:00
tcp_highspeed.c
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tcp_htcp.c
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tcp_hybla.c
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tcp_illinois.c
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tcp_input.c tcp: eliminate negative reordering in tcp_clean_rtx_queue 2017-05-16 12:45:21 -04:00
tcp_ipv4.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-05-10 10:30:46 -07:00
tcp_lp.c tcp: fix wraparound issue in tcp_lp 2017-05-02 15:07:02 -04:00
tcp_metrics.c treewide: use kv[mz]alloc* rather than opencoded variants 2017-05-08 17:15:13 -07:00
tcp_minisocks.c tcp: do not inherit fastopen_req from parent 2017-05-04 11:00:04 -04:00
tcp_nv.c
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tcp_offload.c
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tcp_output.c tcp: make congestion control optionally skip slow start after idle 2017-05-08 14:37:07 -04:00
tcp_probe.c
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tcp_rate.c tcp: do not pass timestamp to tcp_rate_gen() 2017-04-26 14:44:38 -04:00
tcp_recovery.c tcp: tcp_rack_reo_timeout() must update tp->tcp_mstamp 2017-04-27 11:46:15 -04:00
tcp_scalable.c
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tcp_timer.c net/tcp_fastopen: Remove mss check in tcp_write_timeout() 2017-04-24 14:27:17 -04:00
tcp_vegas.c
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tcp_vegas.h
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tcp_veno.c
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tcp_westwood.c
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tcp_yeah.c
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tunnel4.c
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udp.c udp: make *udp*_queue_rcv_skb() functions static 2017-05-18 10:23:33 -04:00
udp_diag.c
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udp_impl.h udp: make *udp*_queue_rcv_skb() functions static 2017-05-18 10:23:33 -04:00
udp_offload.c udp: disable inner UDP checksum offloads in IPsec case 2017-04-24 13:48:54 -04:00
udp_tunnel.c
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udplite.c
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xfrm4_input.c
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xfrm4_mode_beet.c
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xfrm4_mode_transport.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_mode_tunnel.c xfrm: Add encapsulation header offsets while SKB is not encrypted 2017-04-14 10:07:39 +02:00
xfrm4_output.c xfrm: Add an IPsec hardware offloading API 2017-04-14 10:06:10 +02:00
xfrm4_policy.c
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xfrm4_protocol.c
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xfrm4_state.c
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xfrm4_tunnel.c
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