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Patrick McHardy 6440fe059e netfilter: nf_log: fix sleeping function called from invalid context in seq_show() 
[  171.925285] BUG: sleeping function called from invalid context at kernel/mutex.c:280
[  171.925296] in_atomic(): 1, irqs_disabled(): 0, pid: 671, name: grep
[  171.925306] 2 locks held by grep/671:
[  171.925312]  #0:  (&p->lock){+.+.+.}, at: [<c10b8acd>] seq_read+0x25/0x36c
[  171.925340]  #1:  (rcu_read_lock){.+.+..}, at: [<c1391dac>] seq_start+0x0/0x44
[  171.925372] Pid: 671, comm: grep Not tainted 2.6.31.6-4-netbook #3
[  171.925380] Call Trace:
[  171.925398]  [<c105104e>] ? __debug_show_held_locks+0x1e/0x20
[  171.925414]  [<c10264ac>] __might_sleep+0xfb/0x102
[  171.925430]  [<c1461521>] mutex_lock_nested+0x1c/0x2ad
[  171.925444]  [<c1391c9e>] seq_show+0x74/0x127
[  171.925456]  [<c10b8c5c>] seq_read+0x1b4/0x36c
[  171.925469]  [<c10b8aa8>] ? seq_read+0x0/0x36c
[  171.925483]  [<c10d5c8e>] proc_reg_read+0x60/0x74
[  171.925496]  [<c10d5c2e>] ? proc_reg_read+0x0/0x74
[  171.925510]  [<c10a4468>] vfs_read+0x87/0x110
[  171.925523]  [<c10a458a>] sys_read+0x3b/0x60
[  171.925538]  [<c1002a49>] syscall_call+0x7/0xb

Fix it by replacing RCU with nf_log_mutex.

Reported-by: "Yin, Kangkai" <kangkai.yin@intel.com>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2009-11-19 13:16:31 -08:00
..
9p 9p: fix readdir corner cases 2009-11-02 08:43:45 -06:00
802 net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
8021q vlan: Fix register_vlan_dev() error path 2009-11-17 06:45:04 -08:00
appletalk Have atalk_route_packet() return NET_RX_SUCCESS not NET_XMIT_SUCCESS 2009-09-14 17:02:47 -07:00
atm net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
ax25 ax25: Fix possible oops in ax25_make_new 2009-09-30 16:44:12 -07:00
bluetooth Bluetooth: Fix regression with L2CAP configuration in Basic Mode 2009-11-16 01:31:41 +01:00
bridge bridge: prevent bridging wrong device 2009-11-05 20:46:52 -08:00
can can: should not use __dev_get_by_index() without locks 2009-11-08 00:33:43 -08:00
core gro: Fix illegal merging of trailer trash 2009-11-17 05:18:18 -08:00
dcb net: fix double skb free in dcbnl 2009-09-26 20:16:15 -07:00
dccp net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
decnet decnet: netdevice refcount leak 2009-11-06 00:50:39 -08:00
dsa netdev: convert pseudo-devices to netdev_tx_t 2009-09-01 01:13:07 -07:00
econet Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-08-12 17:44:53 -07:00
ethernet net: remove COMPAT_NET_DEV_OPS 2009-05-25 01:53:53 -07:00
ieee802154 net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
ipv4 ipmr: missing dev_put() on error path in vif_add() 2009-11-13 19:56:54 -08:00
ipv6 net: fix sk_forward_alloc corruption 2009-10-30 12:25:12 -07:00
ipx net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
irda headers: remove sched.h from interrupt.h 2009-10-11 11:20:58 -07:00
iucv net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
key net: file_operations should be const 2009-09-02 01:03:53 -07:00
lapb net: remove NET_RX_BAD and NET_RX_CN* defines 2009-07-05 19:15:35 -07:00
llc net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-03 07:44:01 -08:00
netfilter netfilter: nf_log: fix sleeping function called from invalid context in seq_show() 2009-11-19 13:16:31 -08:00
netlabel Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2009-07-30 19:22:43 -07:00
netlink net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
netrom net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-10-29 09:22:08 -07:00
phonet Phonet: fix mutex imbalance 2009-09-30 16:41:34 -07:00
rds net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
rfkill headers: remove sched.h from poll.h 2009-10-04 15:05:10 -07:00
rose rose: device refcount leak 2009-11-05 20:56:07 -08:00
rxrpc net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
sched pkt_sched: pedit use proper struct 2009-10-11 23:03:47 -07:00
sctp sctp: Set socket source address when additing first transport 2009-11-13 19:56:52 -08:00
sunrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-03 07:44:01 -08:00
tipc net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
unix AF_UNIX: Fix deadlock on connecting to shutdown socket 2009-10-18 23:17:37 -07:00
wanrouter headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
wimax wimax: fix warning caused by not checking retval of rfkill_set_hw_state() 2009-06-11 11:12:48 -07:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-11-03 07:44:01 -08:00
x25 net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
xfrm net: file_operations should be const 2009-09-02 01:03:53 -07:00
compat.c net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
Kconfig net/compat/wext: send different messages to compat tasks 2009-07-15 08:53:39 -07:00
Makefile net: remove redundant sched/ in net/Makefile 2009-07-12 20:11:14 -07:00
nonet.c
socket.c net: Make setsockopt() optlen be unsigned. 2009-09-30 16:12:20 -07:00
sysctl_net.c net: sysctl_net - use net_eq to compare nets 2009-03-16 16:23:30 +01:00
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