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linux-stable/net/netfilter
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Pablo Neira Ayuso a16a1647fa netfilter: ctnetlink: fix race between delete and timeout expiration 
Kerin Millar reported hardlockups while running `conntrackd -c'
in a busy firewall. That system (with several processors) was
acting as backup in a primary-backup setup.

After several tries, I found a race condition between the deletion
operation of ctnetlink and timeout expiration. This patch fixes
this problem.

Tested-by: Kerin Millar <kerframil@gmail.com>
Reported-by: Kerin Millar <kerframil@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-17 01:47:08 -07:00
..
ipset
netfilter: ipset: dumping error triggered removing references twice
2012-01-17 10:52:55 +01:00
ipvs
ipvs: fix matching of fwmark templates during scheduling
2012-02-04 20:27:58 +01:00
core.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
Kconfig
netfilter: Kconfig: fix unmet xt_nfacct dependencies
2011-12-29 14:39:19 -05:00
Makefile
netfilter: xtables: move ipt_ecn to xt_ecn
2011-12-27 20:31:31 +01:00
nf_conntrack_acct.c
Merge branch 'nf-next' of git://1984.lsi.us.es/net-next
2011-12-25 02:21:45 -05:00
nf_conntrack_amanda.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_broadcast.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_core.c
netfilter: nf_conntrack: fix early_drop with reliable event delivery
2012-03-06 14:43:50 -05:00
nf_conntrack_ecache.c
net: reintroduce missing rcu_assign_pointer() calls
2012-01-12 12:26:56 -08:00
nf_conntrack_expect.c
netfilter: provide config option to disable ancient procfs parts
2011-12-27 20:45:28 +01:00
nf_conntrack_extend.c
net: reintroduce missing rcu_assign_pointer() calls
2012-01-12 12:26:56 -08:00
nf_conntrack_ftp.c
module_param: make bool parameters really bool (net & drivers/net)
2011-12-19 22:27:29 -05:00
nf_conntrack_h323_asn1.c
netfilter: h323: bug in parsing of ASN1 SEQOF field
2011-04-04 15:21:02 +02:00
nf_conntrack_h323_main.c
module_param: make bool parameters really bool (net & drivers/net)
2011-12-19 22:27:29 -05:00
nf_conntrack_h323_types.c
[NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper
2008-01-31 19:28:07 -08:00
nf_conntrack_helper.c
netfilter: revert user-space expectation helper support
2012-01-16 14:01:23 +01:00
nf_conntrack_irc.c
netfilter: add more values to enum ip_conntrack_info
2011-06-06 01:35:10 +02:00
nf_conntrack_l3proto_generic.c
[NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l3proto
2008-04-14 11:15:52 +02:00
nf_conntrack_netbios_ns.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_netlink.c
netfilter: ctnetlink: fix race between delete and timeout expiration
2012-03-17 01:47:08 -07:00
nf_conntrack_pptp.c
netfilter: nf_ct_pptp: fix DNATed PPTP connection address translation
2011-08-30 15:23:03 +02:00
nf_conntrack_proto_dccp.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto_generic.c
sysctl net: Remove unused binary sysctl code
2009-11-12 02:05:06 -08:00
nf_conntrack_proto_gre.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto_sctp.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto_tcp.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto_udp.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto_udplite.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
nf_conntrack_proto.c
netfilter: rcu sparse cleanups
2010-11-15 19:45:13 +01:00
nf_conntrack_sane.c
netfilter: add more values to enum ip_conntrack_info
2011-06-06 01:35:10 +02:00
nf_conntrack_sip.c
netfilter: add more values to enum ip_conntrack_info
2011-06-06 01:35:10 +02:00
nf_conntrack_snmp.c
netfilter: nf_conntrack: nf_conntrack snmp helper
2011-01-18 18:12:24 +01:00
nf_conntrack_standalone.c
netfilter: provide config option to disable ancient procfs parts
2011-12-27 20:45:28 +01:00
nf_conntrack_tftp.c
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_conntrack_timestamp.c
module_param: make bool parameters really bool (net & drivers/net)
2011-12-19 22:27:29 -05:00
nf_internals.h
netfilter: cleanup printk messages
2010-05-13 15:02:08 +02:00
nf_log.c
net: reintroduce missing rcu_assign_pointer() calls
2012-01-12 12:26:56 -08:00
nf_queue.c
netfilter: nf_queue: fix queueing of bridged gro skbs
2012-02-09 20:47:53 +01:00
nf_sockopt.c
net: Make setsockopt() optlen be unsigned.
2009-09-30 16:12:20 -07:00
nf_tproxy_core.c
netfilter: tproxy: do not assign timewait sockets to skb->sk
2011-02-17 11:32:38 +01:00
nfnetlink_acct.c
netfilter: nfnetlink_acct: fix nfnl_acct_get operation
2012-01-01 16:36:08 +01:00
nfnetlink_log.c
netfilter: Remove unnecessary OOM logging messages
2011-11-01 09:19:49 +01:00
nfnetlink_queue.c
netfilter: nf_queue: reject NF_STOLEN verdicts from userspace
2011-08-30 15:01:20 +02:00
nfnetlink.c
Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-security
2012-01-14 18:36:33 -08:00
x_tables.c
net: Fix files explicitly needing to include module.h
2011-10-31 19:30:28 -04:00
xt_addrtype.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_AUDIT.c
ipv6: Add fragment reporting to ipv6_skip_exthdr().
2011-12-03 09:35:10 -08:00
xt_CHECKSUM.c
netfilter: add CHECKSUM target
2010-07-15 17:20:46 +02:00
xt_CLASSIFY.c
netfilter: xt_CLASSIFY: add ARP support, allow CLASSIFY target on any table
2010-11-15 13:57:56 +01:00
xt_cluster.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_comment.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_connbytes.c
Merge branch 'nf-next' of git://1984.lsi.us.es/net-next
2011-12-25 02:21:45 -05:00
xt_connlimit.c
netfilter: xt_connlimit: remove connlimit_rnd_inited
2011-03-15 13:26:32 +01:00
xt_connmark.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_CONNSECMARK.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_conntrack.c
netfilter: revert a2361c8735e07322023aedc36e4938b35af31eb0
2011-05-10 12:13:36 +02:00
xt_cpu.c
netfilter: xtables: add missing aliases for autoloading via iptables
2011-01-18 06:33:54 +01:00
xt_CT.c
netfilter: revert user-space expectation helper support
2012-01-16 14:01:23 +01:00
xt_dccp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_devgroup.c
netfilter: xtables: add device group match
2011-02-03 00:05:43 +01:00
xt_dscp.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_DSCP.c
netfilter: IPv6: fix DSCP mangle code
2011-05-10 10:00:21 +02:00
xt_ecn.c
netfilter: xtables: collapse conditions in xt_ecn
2011-12-27 20:45:25 +01:00
xt_esp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_hashlimit.c
netfilter: xt_hashlimit: fix unused variable warning if IPv6 disabled
2012-01-16 13:40:54 +01:00
xt_helper.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_hl.c
netfilter: Reduce switch/case indent
2011-07-01 16:11:15 -07:00
xt_HL.c
netfilter: Reduce switch/case indent
2011-07-01 16:11:15 -07:00
xt_IDLETIMER.c
netfilter: Remove unnecessary OOM logging messages
2011-11-01 09:19:49 +01:00
xt_iprange.c
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-02-04 14:28:58 -08:00
xt_ipvs.c
IPVS: netns, use ip_vs_proto_data as param.
2011-01-13 10:30:27 +09:00
xt_LED.c
netfilter: xtables: add missing aliases for autoloading via iptables
2011-01-18 06:33:54 +01:00
xt_length.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_limit.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_mac.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_mark.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_multiport.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_nfacct.c
netfilter: xtables: add nfacct match to support extended accounting
2011-12-25 02:43:17 +01:00
xt_NFLOG.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_NFQUEUE.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_NOTRACK.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_osf.c
net,rcu: convert call_rcu(xt_osf_finger_free_rcu) to kfree_rcu()
2011-05-07 22:51:12 -07:00
xt_owner.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_physdev.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_pkttype.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_policy.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_quota.c
net: Fix files explicitly needing to include module.h
2011-10-31 19:30:28 -04:00
xt_rateest.c
netfilter: xt_rateest: fix xt_rateest_mt_checkentry()
2011-07-29 16:24:46 +02:00
xt_RATEEST.c
net,rcu: Convert call_rcu(xt_rateest_free_rcu) to kfree_rcu()
2011-07-20 14:10:19 -07:00
xt_realm.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_recent.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
xt_repldata.h
netfilter: xtables: generate initial table on-demand
2010-02-10 17:50:47 +01:00
xt_sctp.c
netfilter: xt_sctp: use WORD_ROUND macro to calculate length of multiple of 4 bytes
2010-06-09 14:47:40 +02:00
xt_SECMARK.c
secmark: make secmark object handling generic
2010-10-21 10:12:48 +11:00
xt_set.c
Remove redundant linux/version.h includes from net/
2011-06-21 16:03:17 -07:00
xt_socket.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_state.c
netfilter: nf_conntrack: IPS_UNTRACKED bit
2010-06-08 16:09:52 +02:00
xt_statistic.c
net: Fix files explicitly needing to include module.h
2011-10-31 19:30:28 -04:00
xt_string.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00
xt_tcpmss.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_TCPMSS.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_TCPOPTSTRIP.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_tcpudp.c
netfilter: xtables: change hotdrop pointer to direct modification
2010-05-11 18:35:27 +02:00
xt_TEE.c
netfilter: ip6_route_output() never returns NULL.
2012-02-22 15:30:15 -05:00
xt_time.c
netfilter: remove unnecessary returns from void function()s
2010-05-13 15:16:27 +02:00
xt_TPROXY.c
net:netfilter: use IS_ENABLED
2011-12-16 15:49:52 -05:00
xt_TRACE.c
netfilter: xtables: substitute temporary defines by final name
2010-05-11 18:31:17 +02:00
xt_u32.c
netfilter: xtables: deconstify struct xt_action_param for matches
2010-05-11 18:33:37 +02:00