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c37ccc0d4e
linux/net/ipv4
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Eric Dumazet c37ccc0d4e udp: add a missing smp_wmb() in udp_lib_get_port() 
Corey Minyard spotted a missing memory barrier in udp_lib_get_port()

We need to make sure a reader cannot read the new 'sk->sk_next' value
and previous value of 'sk->sk_hash'. Or else, an item could be deleted
from a chain, and inserted into another chain. If new chain was empty
before the move, 'next' pointer is NULL, and lockless reader can
not detect it missed following items in original chain.

This patch is temporary, since we expect an upcoming patch
to introduce another way of handling the problem.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-11-01 21:19:18 -07:00
..
netfilter net: replace NIPQUAD() in net/ipv4/netfilter/ 2008-10-31 00:53:08 -07:00
af_inet.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
ah4.c [IPSEC]: Fix bogus usage of u64 on input sequence number 2008-02-12 22:50:35 -08:00
arp.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
cipso_ipv4.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-10-31 00:17:34 -07:00
datagram.c mib: add net to IP_INC_STATS_BH 2008-07-16 20:20:11 -07:00
devinet.c net: don't use INIT_RCU_HEAD 2008-10-28 13:25:09 -07:00
esp4.c ipsec: Interfamily IPSec BEET 2008-08-06 02:39:30 -07:00
fib_frontend.c netns: add namespace parameter to rt_cache_flush 2008-07-05 19:00:44 -07:00
fib_hash.c netns: add namespace parameter to rt_cache_flush 2008-07-05 19:00:44 -07:00
fib_lookup.h [IPV4] FIB_HASH: Reduce memory needs and speedup lookups 2008-01-28 15:02:46 -08:00
fib_rules.c net: add fib_rules_ops to flush_cache method 2008-07-05 19:01:28 -07:00
fib_semantics.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-13 20:52:39 -07:00
fib_trie.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
icmp.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
igmp.c net: Rationalise email address: Network Specific Parts 2008-10-13 19:01:08 -07:00
inet_connection_sock.c inet: cleanup of local_port_range 2008-10-08 14:18:04 -07:00
inet_diag.c net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
inet_fragment.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
inet_hashtables.c net: convert BUG_TRAP to generic WARN_ON 2008-07-25 21:43:18 -07:00
inet_lro.c net/inet_lro: remove setting skb->ip_summed when not LRO-able 2008-06-27 20:09:00 -07:00
inet_timewait_sock.c ipv4: Implement IP_TRANSPARENT socket option 2008-10-01 07:30:02 -07:00
inetpeer.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
ip_forward.c net: reduce structures when XFRM=n 2008-10-28 13:24:06 -07:00
ip_fragment.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
ip_gre.c gre: Initialise rtnl_link tunnel parameters properly 2008-10-11 12:20:15 -07:00
ip_input.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
ip_options.c cipso: Add support for native local labeling and fixup mapping names 2008-10-10 10:16:34 -04:00
ip_output.c ipv4: Make Netfilter's ip_route_me_harder() non-local address compatible 2008-10-01 07:44:42 -07:00
ip_sockglue.c ipv4: Implement IP_TRANSPARENT socket option 2008-10-01 07:30:02 -07:00
ipcomp.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
ipconfig.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
ipip.c net: Rationalise email address: Network Specific Parts 2008-10-13 19:01:08 -07:00
ipmr.c net: Rationalise email address: Network Specific Parts 2008-10-13 19:01:08 -07:00
Kconfig IPVS: Move IPVS to net/netfilter/ipvs 2008-10-07 08:38:24 +11:00
Makefile IPVS: Move IPVS to net/netfilter/ipvs 2008-10-07 08:38:24 +11:00
netfilter.c netfilter: netns: fix {ip,6}_route_me_harder() in netns 2008-10-08 11:35:03 +02:00
proc.c tcp: MD5: Use MIB counter instead of warning for MD5 mismatch. 2008-07-30 03:27:25 -07:00
protocol.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
raw.c mib: add net to IP_INC_STATS 2008-07-16 20:19:49 -07:00
route.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
syncookies.c tcp: Port redirection support for TCP 2008-10-01 07:46:49 -07:00
sysctl_net_ipv4.c net: implement emergency route cache rebulds when gc_elasticity is exceeded 2008-10-27 17:06:14 -07:00
tcp_bic.c [TCP]: BIC web page link is corrected. 2008-02-28 22:14:32 -08:00
tcp_cong.c net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely) 2008-10-16 15:24:51 -07:00
tcp_cubic.c rename div64_64 to div64_u64 2008-05-01 08:03:58 -07:00
tcp_diag.c net: remove CVS keywords 2008-06-11 21:00:38 -07:00
tcp_highspeed.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_htcp.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_hybla.c tcp: Fix tcp_hybla zero congestion window growth with small rho and large cwnd. 2008-10-07 15:58:17 -07:00
tcp_illinois.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_input.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
tcp_ipv4.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
tcp_lp.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_minisocks.c tcp: kill pointless urg_mode 2008-10-07 14:43:06 -07:00
tcp_output.c syncookies: fix inclusion of tcp options in syn-ack 2008-10-26 23:10:12 -07:00
tcp_probe.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
tcp_scalable.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp_timer.c net: replace NIPQUAD() in net/ipv4/ net/ipv6/ 2008-10-31 00:53:57 -07:00
tcp_vegas.c net: fix returning void-valued expression warnings 2008-05-01 02:47:38 -07:00
tcp_vegas.h [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_veno.c net: fix returning void-valued expression warnings 2008-05-01 02:47:38 -07:00
tcp_westwood.c [TCP]: congestion control API pass RTT in microseconds 2007-07-31 02:27:57 -07:00
tcp_yeah.c [TCP]: Cong.ctrl modules: remove unused good_ack from cong_avoid 2008-01-28 14:55:41 -08:00
tcp.c tcp: kill pointless urg_mode 2008-10-07 14:43:06 -07:00
tunnel4.c [IPV4] TUNNEL4: Fix incoming packet length check for inter-protocol tunnel. 2008-06-05 04:02:33 +09:00
udp_impl.h udp: introduce struct udp_table and multiple spinlocks 2008-10-29 01:41:45 -07:00
udp.c udp: add a missing smp_wmb() in udp_lib_get_port() 2008-11-01 21:19:18 -07:00
udplite.c udp: RCU handling for Unicast packets. 2008-10-29 02:11:14 -07:00
xfrm4_input.c [IPSEC]: Fix transport-mode async resume on intput without netfilter 2008-01-28 15:00:10 -08:00
xfrm4_mode_beet.c ipsec: Interfamily IPSec BEET 2008-08-06 02:39:30 -07:00
xfrm4_mode_transport.c [IPSEC]: Use IPv6 calling convention as the convention for x->mode->output 2007-10-10 16:55:54 -07:00
xfrm4_mode_tunnel.c xfrm: fix fragmentation for ipv4 xfrm tunnel 2008-06-17 16:38:23 -07:00
xfrm4_output.c [IPSEC]: Fix inter address family IPsec tunnel handling. 2008-03-24 14:51:51 -07:00
xfrm4_policy.c [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
xfrm4_state.c [IPSEC]: Fix BEET output 2008-03-26 16:51:09 -07:00
xfrm4_tunnel.c [IPCOMP]: Fix reception of incompressible packets 2008-01-31 19:27:24 -08:00