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7efdba5bd9
linux/net/ipv4
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Eric Dumazet 7b514a886b tcp: accept RST without ACK flag 
commit c3ae62af8e (tcp: should drop incoming frames without ACK flag
set) added a regression on the handling of RST messages.

RST should be allowed to come even without ACK bit set. We validate
the RST by checking the exact sequence, as requested by RFC 793 and
5961 3.2, in tcp_validate_incoming()

Reported-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Tested-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-01-10 22:49:30 -08:00
..
netfilter netfilter: nf_nat: Also handle non-ESTABLISHED routing changes in MASQUERADE 2012-12-16 23:28:30 +01:00
af_inet.c net: Make CAP_NET_BIND_SERVICE per user namespace 2012-11-18 20:33:37 -05:00
ah4.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
arp.c arp: fix a regression in arp_solicit() 2012-12-24 18:42:58 -08:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c
devinet.c ipv4: fix NULL checking in devinet_ioctl() 2013-01-06 21:11:18 -08:00
esp4.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
fib_frontend.c net: Enable a userns root rtnl calls that are safe for unprivilged users 2012-11-18 20:33:36 -05:00
fib_lookup.h
fib_rules.c sections: fix section conflicts in net 2012-10-06 03:04:45 +09:00
fib_semantics.c ipv4: 16 slots in initial fib_info hash table 2012-10-22 14:29:06 -04:00
fib_trie.c ipv4/route: arg delay is useless in rt_cache_flush() 2012-09-18 15:44:34 -04:00
gre.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
icmp.c ipv4: avoid passing NULL to inet_putpeer() in icmpv4_xrlim_allow() 2012-11-26 17:24:41 -05:00
igmp.c igmp: export symbol ip_mc_leave_group 2012-10-01 18:39:44 -04:00
inet_connection_sock.c inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock 2012-12-14 13:14:07 -05:00
inet_diag.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-12-12 18:07:07 -08:00
inet_fragment.c ipv6: unify fragment thresh handling code 2012-09-19 17:23:28 -04:00
inet_hashtables.c net: move inet_dport/inet_num in sock_common 2012-11-30 15:02:56 -05:00
inet_lro.c net: add skb frag size accessors 2011-10-19 03:10:46 -04:00
inet_timewait_sock.c net: ipv4 and ipv6: Convert printk(KERN_DEBUG to pr_debug 2012-05-16 01:01:03 -04:00
inetpeer.c Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
ip_forward.c ipv4: introduce rt_uses_gateway 2012-10-08 17:42:36 -04:00
ip_fragment.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-12-12 18:07:07 -08:00
ip_gre.c ipv4/ip_gre: set transport header correctly to gre header 2012-12-26 15:19:56 -08:00
ip_input.c net: TCP early demux cleanup 2012-07-30 14:53:21 -07:00
ip_options.c net: Allow userns root to control ipv4 2012-11-18 20:32:45 -05:00
ip_output.c net: Handle encapsulated offloads before fragmentation or handing to lower dev 2012-12-09 00:20:28 -05:00
ip_sockglue.c net: prevent setting ttl=0 via IP_TTL 2013-01-08 17:57:10 -08:00
ip_vti.c net: Allow userns root to control ipv4 2012-11-18 20:32:45 -05:00
ipcomp.c ipv4: Add redirect support to all protocol icmp error handlers. 2012-07-11 21:27:49 -07:00
ipconfig.c net/ipv4/ipconfig: really display the BOOTP/DHCP server's address. 2013-01-04 15:14:14 -08:00
ipip.c net: Allow userns root to control ipv4 2012-11-18 20:32:45 -05:00
ipmr.c ipmr: advertise new mfc entries via rtnl 2012-12-04 13:08:11 -05:00
Kconfig net/ipv4: VTI support new module for ip_vti. 2012-07-18 09:36:12 -07:00
Makefile memcg: rename config variables 2012-07-31 18:42:43 -07:00
netfilter.c netfilter: properly annotate ipv4_netfilter_{init,fini}() 2012-09-03 13:56:04 +02:00
ping.c userns: Use kgids for sysctl_ping_group_range 2012-08-14 21:49:10 -07:00
proc.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
protocol.c net: Add net protocol offload registration infrustructure 2012-11-15 17:36:17 -05:00
raw.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
route.c ipv4/route/rtnl: get mcast attributes when dst is multicast 2012-12-07 12:24:33 -05:00
syncookies.c tcp: better retrans tracking for defer-accept 2012-11-03 14:45:00 -04:00
sysctl_net_ipv4.c net: Don't export sysctls to unprivileged users 2012-11-18 20:30:55 -05:00
tcp_bic.c tcp: fix undo after RTO for BIC 2012-01-20 14:17:26 -05:00
tcp_cong.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-12-13 12:00:02 -08:00
tcp_cubic.c tcp: fix undo after RTO for CUBIC 2012-01-20 14:17:26 -05:00
tcp_diag.c inet_diag: Rename inet_diag_req into inet_diag_req_v2 2012-01-11 12:56:06 -08:00
tcp_fastopen.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c net: fix divide by zero in tcp algorithm illinois 2012-11-01 11:55:59 -04:00
tcp_input.c tcp: accept RST without ACK flag 2013-01-10 22:49:30 -08:00
tcp_ipv4.c inet: Fix kmemleak in tcp_v4/6_syn_recv_sock and dccp_v4/6_request_recv_sock 2012-12-14 13:14:07 -05:00
tcp_lp.c
tcp_memcontrol.c memcg: decrement static keys at real destroy time 2012-05-29 16:22:28 -07:00
tcp_metrics.c tcp: handle tcp_net_metrics_init() order-5 memory allocation failures 2012-11-16 13:36:27 -05:00
tcp_minisocks.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
tcp_output.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-12-12 18:07:07 -08:00
tcp_probe.c net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
tcp_scalable.c
tcp_timer.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-11-10 18:32:51 -05:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c
tcp_yeah.c
tcp.c tcp: fix splice() and tcp collapsing interaction 2013-01-10 14:09:57 -08:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp_diag.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
udp_impl.h ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
udp.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-10-02 11:11:09 -07:00
udplite.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
xfrm4_input.c ipv4: Fix input route performance regression. 2012-07-26 15:50:39 -07:00
xfrm4_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c net/ipv4: VTI support rx-path hook in xfrm4_mode_tunnel. 2012-07-18 09:36:12 -07:00
xfrm4_output.c
xfrm4_policy.c xfrm: Fix the gc threshold value for ipv4 2012-11-13 09:15:07 +01:00
xfrm4_state.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
xfrm4_tunnel.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00