Alexey Dobriyan efb9a8c28c netfilter: netns ct: walk netns list under RTNL ... netns list (just list) is under RTNL. But helper and proto unregistration happen during rmmod when RTNL is not held, and that's how it was tested: modprobe/rmmod vs clone(CLONE_NEWNET)/exit. BUG: unable to handle kernel paging request at 0000000000100100 <=== IP: [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] PGD 15e300067 PUD 15e1d8067 PMD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC last sysfs file: /sys/kernel/uevent_seqnum CPU 0 Modules linked in: nf_conntrack_proto_sctp(-) nf_conntrack_proto_dccp(-) af_packet iptable_nat nf_nat nf_conntrack_ipv4 nf_conntrack nf_defrag_ipv4 iptable_filter ip_tables xt_tcpudp ip6table_filter ip6_tables x_tables ipv6 sr_mod cdrom [last unloaded: nf_conntrack_proto_sctp] Pid: 16758, comm: rmmod Not tainted 2.6.28-rc2-netns-xfrm #3 RIP: 0010:[<ffffffffa009890f>] [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] RSP: 0018:ffff88015dc1fec8 EFLAGS: 00010212 RAX: 0000000000000000 RBX: 00000000001000f8 RCX: 0000000000000000 RDX: ffffffffa009575c RSI: 0000000000000003 RDI: ffffffffa00956b5 RBP: ffff88015dc1fed8 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88015dc1fe48 R12: ffffffffa0458f60 R13: 0000000000000880 R14: 00007fff4c361d30 R15: 0000000000000880 FS: 00007f624435a6f0(0000) GS:ffffffff80521580(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 0000000000100100 CR3: 0000000168969000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process rmmod (pid: 16758, threadinfo ffff88015dc1e000, task ffff880179864218) Stack: ffffffffa0459100 0000000000000000 ffff88015dc1fee8 ffffffffa0457934 ffff88015dc1ff78 ffffffff80253fef 746e6e6f635f666e 6f72705f6b636172 00707463735f6f74 ffffffff8024cb30 00000000023b8010 0000000000000000 Call Trace: [<ffffffffa0457934>] nf_conntrack_proto_sctp_fini+0x10/0x1e [nf_conntrack_proto_sctp] [<ffffffff80253fef>] sys_delete_module+0x19f/0x1fe [<ffffffff8024cb30>] ? trace_hardirqs_on_caller+0xf0/0x114 [<ffffffff803ea9b2>] ? trace_hardirqs_on_thunk+0x3a/0x3f [<ffffffff8020b52b>] system_call_fastpath+0x16/0x1b Code: 13 35 e0 e8 c4 6c 1a e0 48 8b 1d 6d c6 46 e0 eb 16 48 89 df 4c 89 e2 48 c7 c6 fc 85 09 a0 e8 61 cd ff ff 48 8b 5b 08 48 83 eb 08 <48> 8b 43 08 0f 18 08 48 8d 43 08 48 3d 60 4f 50 80 75 d3 5b 41 RIP [<ffffffffa009890f>] nf_conntrack_l4proto_unregister+0x96/0xae [nf_conntrack] RSP <ffff88015dc1fec8> CR2: 0000000000100100 ---[ end trace bde8ac82debf7192 ]--- Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>		2008-11-05 03:03:18 -08:00
..
9p	net/9p: fix printk format warnings	2008-11-05 01:35:55 -08:00
802	net/802/fc.c: Fix compilation warnings	2008-10-15 00:13:53 -07:00
8021q	net: fix packet socket delivery in rx irq handler	2008-11-04 14:49:57 -08:00
appletalk	net: Rationalise email address: Network Specific Parts	2008-10-13 19:01:08 -07:00
atm	net/atm/lec.c: drop code after return	2008-09-22 19:24:45 -07:00
ax25	ax25: Quick fix for making sure unaccepted sockets get destroyed.	2008-10-06 12:53:50 -07:00
bluetooth	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2008-10-17 08:58:52 -07:00
bridge	net: Fix disjunct computation of netdev features	2008-10-23 01:11:29 -07:00
can	net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely)	2008-10-16 15:24:51 -07:00
core	net: fix packet socket delivery in rx irq handler	2008-11-04 14:49:57 -08:00
dccp	dccp: Port redirection support for DCCP	2008-10-19 23:36:47 -07:00
decnet	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6	2008-10-17 08:58:52 -07:00
dsa	dsa: fix compile bug on s390	2008-10-13 18:58:48 -07:00
econet
ethernet	dsa: add support for Trailer tagging format	2008-10-08 17:24:16 -07:00
ieee80211	net/ieee80211: adjust error handling	2008-08-22 16:29:49 -04:00
ipv4	xfrm: Have af-specific init_tempsel() initialize family field of temporary selector	2008-11-04 14:49:19 -08:00
ipv6	ipv6: fix run pending DAD when interface becomes ready	2008-11-05 01:43:57 -08:00
ipx
irda
iucv	iucv: Fix mismerge again.	2008-09-30 03:03:35 -07:00
key	key: fix setkey(8) policy set breakage	2008-10-31 16:41:26 -07:00
lapb
llc
mac80211	mac80211: correct warnings in minstrel rate control algorithm	2008-10-27 17:46:11 -04:00
netfilter	netfilter: netns ct: walk netns list under RTNL	2008-11-05 03:03:18 -08:00
netlabel	netlabel: Fix compilation warnings in net/netlabel/netlabel_addrlist.c	2008-10-30 10:44:48 -04:00
netlink	net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely)	2008-10-16 15:24:51 -07:00
netrom	netrom: Fix sock_orphan() use in nr_release	2008-10-06 12:54:57 -07:00
packet	net: convert BUG_TRAP to generic WARN_ON	2008-07-25 21:43:18 -07:00
phonet	Phonet: do not reply to indication reset packets	2008-10-26 23:07:25 -07:00
rfkill	RFKILL: fix input layer initialisation	2008-10-27 17:46:11 -04:00
rose
rxrpc	net/rxrpc: Use an IS_ERR test rather than a NULL test	2008-08-13 02:40:48 -07:00
sched	Merge branch 'timers/range-hrtimers' into v28-range-hrtimers-for-linus-v2	2008-10-22 09:48:06 +02:00
sctp	sctp: Fix to handle SHUTDOWN in SHUTDOWN_RECEIVED state	2008-10-23 01:01:18 -07:00
sunrpc	SUNRPC: Fix potential race in put_rpccred()	2008-10-28 15:21:42 -04:00
tipc	tipc: Don't use structure names which easily globally conflict.	2008-09-02 23:38:32 -07:00
unix	af_unix: netns: fix problem of return value	2008-11-01 21:37:27 -07:00
wanrouter
wireless	wireless: fix regression caused by regulatory config option	2008-10-26 10:38:52 -07:00
x25
xfrm	xfrm: Fix xfrm_policy_gc_lock handling.	2008-11-03 19:11:29 -08:00
compat.c	flag parameters: paccept	2008-07-24 10:47:27 -07:00
Kconfig	net: Distributed Switch Architecture protocol support	2008-10-08 17:15:19 -07:00
Makefile	net: Distributed Switch Architecture protocol support	2008-10-08 17:15:19 -07:00
nonet.c
socket.c	net: Remove CONFIG_KMOD from net/ (towards removing CONFIG_KMOD entirely)	2008-10-16 15:24:51 -07:00
sysctl_net.c	missing bits of net-namespace / sysctl	2008-07-27 09:45:34 -07:00
TUNABLE