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4d0fe50c75
linux/net/ipv6
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Eric Dumazet 4d0fe50c75 ipv6: tcp: fix tcp_v6_conn_request() 
Since linux 2.6.26 (commit c6aefafb7e : Add IPv6 support to TCP SYN
cookies), we can drop a SYN packet reusing a TIME_WAIT socket.

(As a matter of fact we fail to send the SYNACK answer)

As the client resends its SYN packet after a one second timeout, we
accept it, because first packet removed the TIME_WAIT socket before
being dropped.

This probably explains why nobody ever noticed or complained.

Reported-by: Jesse Young <jlyo@jlyo.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2011-11-23 17:29:23 -05:00
..
netfilter netfilter: Remove NOTRACK/RAW dependency on NETFILTER_ADVANCED. 2011-11-23 16:07:00 -05:00
addrconf_core.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
addrconf.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
addrlabel.c rtnetlink: Compute and store minimum ifinfo dump size 2011-06-09 20:38:07 -07:00
af_inet6.c gro: refetch inet6_protos[] after pulling ext headers 2011-10-10 14:26:16 -04:00
ah6.c ah: Don't return NET_XMIT_DROP on input. 2011-11-12 18:13:32 -05:00
anycast.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
datagram.c ipv6: Remove superfluous NULL pointer check in ipv6_local_rxpmtu 2011-10-18 23:51:30 -04:00
esp6.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2011-05-05 14:59:02 -07:00
exthdrs_core.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
exthdrs.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
fib6_rules.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
icmp.c net: more accurate skb truesize 2011-10-13 16:05:07 -04:00
inet6_connection_sock.c ipv6: tcp: fix panic in SYN processing 2011-11-23 15:49:31 -05:00
inet6_hashtables.c net: Compute protocol sequence numbers and fragment IDs using MD5. 2011-08-06 18:33:19 -07:00
ip6_fib.c cleanup: remove unnecessary include. 2011-10-19 19:26:16 -04:00
ip6_flowlabel.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
ip6_input.c ipv6: drop packets when source address is multicast 2011-11-08 12:37:06 -05:00
ip6_output.c ipv6: fix error propagation in ip6_ufo_append_data() 2011-10-28 00:26:00 -04:00
ip6_tunnel.c ip6_tunnel: copy parms.name after register_netdevice 2011-11-14 00:24:06 -05:00
ip6mr.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
ipcomp6.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
ipv6_sockglue.c net: allow CAP_NET_RAW to set socket options IP{,V6}_TRANSPARENT 2011-10-20 18:21:36 -04:00
Kconfig ipv6: ip6mr: support multiple tables 2010-05-11 14:40:55 +02:00
Makefile [IPV6] MROUTE: Support multicast forwarding. 2008-04-05 22:33:38 +09:00
mcast.c mcast: Fix source address selection for multicast listener report 2011-08-24 17:46:15 -07:00
mip6.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
ndisc.c ipv6: fix a bug in ndisc_send_redirect 2011-11-23 03:51:54 -05:00
netfilter.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
proc.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
protocol.c net: add __rcu annotations to protocol 2010-10-27 11:37:31 -07:00
raw.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
reassembly.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
route.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
sit.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net 2011-08-20 10:39:12 -07:00
syncookies.c tcp: add const qualifiers where possible 2011-10-21 05:22:42 -04:00
sysctl_net_ipv6.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
tcp_ipv6.c ipv6: tcp: fix tcp_v6_conn_request() 2011-11-23 17:29:23 -05:00
tunnel6.c tunnels: add _rcu annotations 2010-10-25 13:09:45 -07:00
udp_impl.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
udp.c net: make the tcp and udp file_operations for the /proc stuff const 2011-11-01 17:56:14 -04:00
udplite.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
xfrm6_input.c netfilter: ipv6: use NFPROTO values for NF_HOOK invocation 2010-03-25 16:00:49 +01:00
xfrm6_mode_beet.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
xfrm6_mode_ro.c [IPSEC]: Make x->lastused an unsigned long 2008-01-28 14:53:52 -08:00
xfrm6_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm6_mode_tunnel.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
xfrm6_output.c xfrm6: Don't call icmpv6_send on local error 2011-10-18 23:53:10 -04:00
xfrm6_policy.c inet: constify ip headers and in6_addr 2011-04-22 11:04:14 -07:00
xfrm6_state.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
xfrm6_tunnel.c ipv6: Fix return of xfrm6_tunnel_rcv() 2011-05-24 01:11:51 -04:00