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Patrick McHardy d696c7bdaa netfilter: nf_conntrack: fix hash resizing with namespaces 
As noticed by Jon Masters <jonathan@jonmasters.org>, the conntrack hash
size is global and not per namespace, but modifiable at runtime through
/sys/module/nf_conntrack/hashsize. Changing the hash size will only
resize the hash in the current namespace however, so other namespaces
will use an invalid hash size. This can cause crashes when enlarging
the hashsize, or false negative lookups when shrinking it.

Move the hash size into the per-namespace data and only use the global
hash size to initialize the per-namespace value when instanciating a
new namespace. Additionally restrict hash resizing to init_net for
now as other namespaces are not handled currently.

Cc: stable@kernel.org
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-02-08 11:18:07 -08:00
..
9p 9p: fix readdir corner cases 2009-11-02 08:43:45 -06:00
bluetooth Bluetooth: Implement RejActioned flag 2009-12-03 19:34:24 +01:00
irda net: mark read-only arrays as const 2009-08-05 10:42:58 -07:00
iucv af_iucv: Return -EAGAIN if iucv msg limit is exceeded 2009-06-19 00:10:40 -07:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-12-16 10:33:18 -08:00
netns netfilter: nf_conntrack: fix hash resizing with namespaces 2010-02-08 11:18:07 -08:00
phonet Phonet: convert devices list to RCU 2009-11-18 10:08:26 -08:00
sctp Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
tc_act pkt_sched: skbedit add support for setting mark 2009-10-22 21:56:42 -07:00
tipc
act_api.h net: restore gnet_stats_basic to previous definition 2009-08-17 21:33:49 -07:00
addrconf.h bonding: remap muticast addresses without using dev_close() and dev_open() 2009-09-15 02:37:40 -07:00
af_ieee802154.h af_ieee802154: add support for WANT_ACK socket option 2009-08-12 21:54:50 -07:00
af_rxrpc.h
af_unix.h
ah.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
arp.h net: make neigh_ops constant 2009-09-01 17:40:57 -07:00
atmclip.h
ax25.h
ax88796.h
cfg80211.h nl80211: PMKSA caching support 2009-11-28 15:05:05 -05:00
checksum.h
cipso_ipv4.h
compat.h net: fix compat_sys_recvmmsg parameter type 2009-12-11 15:07:56 -08:00
datalink.h
dcbnl.h dcbnl: Add support for setapp/getapp to netdev dcbnl_rtnl_ops 2009-09-01 01:24:30 -07:00
dn_dev.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6 2009-12-08 07:55:01 -08:00
dn_fib.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
dn_neigh.h
dn_nsp.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
dn_route.h
dn.h
dsa.h
dsfield.h
dst_ops.h netns: embed ip6_dst_ops directly 2009-09-01 17:40:31 -07:00
dst.h tcp: Revert per-route SACK/DSACK/TIMESTAMP changes. 2009-12-15 20:56:42 -08:00
esp.h
ethoc.h
fib_rules.h net: Allow fib_rule_unregister to batch 2009-12-03 12:22:55 -08:00
flow.h
garp.h
gen_stats.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
genetlink.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
icmp.h
ieee80211_radiotap.h mac80211: fix radiotap header generation 2009-10-30 16:49:20 -04:00
ieee802154_netdev.h ieee802154: add an mlme_ops call to retrieve PHY object 2009-11-06 14:32:18 +03:00
ieee802154.h ieee802154: move headers out of extra directory 2009-07-23 17:08:51 +04:00
if_inet6.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
inet6_connection_sock.h
inet6_hashtables.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inet_common.h
inet_connection_sock.h net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
inet_ecn.h
inet_frag.h
inet_hashtables.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inet_sock.h inet: rename some inet_sock fields 2009-10-18 18:52:53 -07:00
inet_timewait_sock.h tcp: Fix a connect() race with timewait sockets 2009-12-08 20:17:51 -08:00
inetpeer.h inetpeer: Optimize inet_getid() 2009-11-13 20:46:58 -08:00
ip6_checksum.h
ip6_fib.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip6_route.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip6_tunnel.h
ip_fib.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-06 00:55:55 -08:00
ip_vs.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ip.h net: fix build erros with CONFIG_BUG=n, CONFIG_GENERIC_BUG=n 2010-01-13 18:10:36 -08:00
ipcomp.h
ipconfig.h
ipip.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
ipv6.h netfilter: fix crashes in bridge netfilter caused by fragment jumps 2009-12-15 16:59:59 +01:00
ipx.h
iw_handler.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
lapb.h
lib80211.h
llc_c_ac.h
llc_c_ev.h
llc_c_st.h
llc_conn.h
llc_if.h
llc_pdu.h
llc_s_ac.h
llc_s_ev.h
llc_s_st.h
llc_sap.h
llc.h
mac80211.h wireless: remove remaining qual code 2009-12-28 16:19:45 -05:00
mip6.h
ndisc.h sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
neighbour.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2009-12-14 09:58:24 -08:00
net_namespace.h net: Add support for batching network namespace cleanups 2009-12-03 12:22:01 -08:00
netdma.h
netevent.h
netlabel.h
netlink.h netlink: constify nlmsghdr arguments 2009-08-25 16:07:40 +02:00
netrom.h ax25: netrom: rose: Fix timer oopses 2010-01-16 01:04:04 -08:00
nexthop.h
nl802154.h ieee802154: add support for channel pages from IEEE 802.15.4-2006 2009-08-19 23:08:22 +04:00
p8022.h
pkt_cls.h net: rename skb->iif to skb->skb_iif 2009-11-20 15:35:04 -08:00
pkt_sched.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
protocol.h net: drop capability from protocol definitions 2009-11-05 21:40:17 -08:00
psnap.h
raw.h
rawv6.h ipv6: Use correct data types for ICMPv6 type and code 2009-06-23 04:31:07 -07:00
red.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
regulatory.h
request_sock.h TCPCT part 1a: add request_values parameter for sending SYNACK 2009-12-02 22:07:23 -08:00
rose.h NET: ROSE: Don't use static buffer. 2009-07-26 19:11:14 -07:00
route.h net: NETDEV_UNREGISTER_PERNET -> NETDEV_UNREGISTER_BATCH 2009-12-01 16:15:50 -08:00
rtnetlink.h net: Support specifying the network namespace upon device creation. 2009-11-08 00:53:51 -08:00
sch_generic.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
scm.h net: cleanup include/net 2009-11-04 05:06:25 -08:00
slhc_vj.h
snmp.h this_cpu: Use this_cpu operations for SNMP statistics 2009-10-03 19:48:22 +09:00
sock.h udp: secondary hash on (local port, local address) 2009-11-08 20:53:06 -08:00
stp.h
tcp_states.h
tcp.h tcp: Revert per-route SACK/DSACK/TIMESTAMP changes. 2009-12-15 20:56:42 -08:00
timewait_sock.h
transp_v6.h inet: inet_connection_sock_af_ops const 2009-09-02 01:03:49 -07:00
udp.h udp: bind() optimisation 2009-11-10 20:54:38 -08:00
udplite.h
wext.h wext: refactor 2009-10-07 16:39:43 -04:00
wimax.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-12-09 19:43:33 -08:00
wpan-phy.h ieee802154: add support for creation/removal of logic interfaces 2009-11-06 14:32:24 +03:00
x25.h X25: Move SYSCTL ifdefs into header 2009-11-29 00:24:59 -08:00
x25device.h
xfrm.h netns xfrm: fix "ip xfrm state|policy count" misreport 2010-01-23 23:10:42 -08:00