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linux/net/caif
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Sjur Brændeland 60d2aa556c caif: Fix access to freed pernet memory 
[ Upstream commit 96f80d123e ]

unregister_netdevice_notifier() must be called before
unregister_pernet_subsys() to avoid accessing already freed
pernet memory. This fixes the following oops when doing rmmod:

Call Trace:
 [<ffffffffa0f802bd>] caif_device_notify+0x4d/0x5a0 [caif]
 [<ffffffff81552ba9>] unregister_netdevice_notifier+0xb9/0x100
 [<ffffffffa0f86dcc>] caif_device_exit+0x1c/0x250 [caif]
 [<ffffffff810e7734>] sys_delete_module+0x1a4/0x300
 [<ffffffff810da82d>] ? trace_hardirqs_on_caller+0x15d/0x1e0
 [<ffffffff813517de>] ? trace_hardirqs_on_thunk+0x3a/0x3
 [<ffffffff81696bad>] system_call_fastpath+0x1a/0x1f

RIP
 [<ffffffffa0f7f561>] caif_get+0x51/0xb0 [caif]

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-08-09 08:31:42 -07:00
..
caif_dev.c caif: Fix access to freed pernet memory 2012-08-09 08:31:42 -07:00
caif_socket.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-02-04 16:39:32 -05:00
caif_usb.c caif: Fix typo in Vendor/Product-ID for CAIF modems 2012-01-17 10:46:55 -05:00
cfcnfg.c net caif: Register properly as a pernet subsystem. 2012-01-27 21:06:03 -05:00
cfctrl.c caif: Remove OOM messages, use kzalloc 2011-08-28 17:16:13 -04:00
cfdbgl.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
cfdgml.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
cffrml.c percpu: Remove irqsafe_cpu_xxx variants 2011-12-22 10:40:20 -08:00
cfmuxl.c caif: Bugfix list_del_rcu race in cfmuxl_ctrlcmd. 2012-02-02 14:35:12 -05:00
cfpkt_skbuff.c caif: Add support for CAIF over CDC NCM USB interface 2011-12-05 18:27:56 -05:00
cfrfml.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
cfserl.c caif: Remove unused enum and parameter in cfserl 2011-11-30 23:30:48 -05:00
cfsrvl.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
cfutill.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
cfveil.c caif: Remove OOM messages, use kzalloc 2011-08-28 17:16:13 -04:00
cfvidl.c caif: Fix for a race in socket transmit with flow control. 2012-03-11 15:38:16 -07:00
chnl_net.c caif: Fix memory leakage in the chnl_net.c. 2012-04-13 11:01:44 -04:00
Kconfig caif: Add support for CAIF over CDC NCM USB interface 2011-12-05 18:27:56 -05:00
Makefile caif: Add support for CAIF over CDC NCM USB interface 2011-12-05 18:27:56 -05:00