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linux-uconsole/net/caif
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Sjur Brændeland 22cb83b5a3 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 08:27:51 -07:00
..
caif_dev.c caif: Fix access to freed pernet memory 2012-08-09 08:27:51 -07:00
caif_socket.c caif: Fixes freeze on Link layer removal. 2011-05-22 20:11:47 -04:00
cfcnfg.c net caif: Register properly as a pernet subsystem. 2012-02-03 09:19:03 -08:00
cfctrl.c caif: Fix freezes when running CAIF loopback device 2011-05-22 20:11:48 -04:00
cfdbgl.c caif: Bugfix for socket priority, bindtodev and dbg channel. 2010-11-03 18:50:03 -07:00
cfdgml.c caif: Don't resend if dev_queue_xmit fails. 2011-04-11 15:08:48 -07:00
cffrml.c caif: Handle dev_queue_xmit errors. 2011-05-15 17:45:56 -04:00
cfmuxl.c caif: Bugfix - XOFF removed channel from caif-mux 2011-06-16 23:59:09 -04:00
cfpkt_skbuff.c caif: remove unesesarry exports 2011-05-15 17:45:56 -04:00
cfrfml.c caif: Move refcount from service layer to sock and dev. 2011-05-15 17:45:55 -04:00
cfserl.c caif: Don't resend if dev_queue_xmit fails. 2011-04-11 15:08:48 -07:00
cfsrvl.c caif: Move refcount from service layer to sock and dev. 2011-05-15 17:45:55 -04:00
cfutill.c caif: Don't resend if dev_queue_xmit fails. 2011-04-11 15:08:48 -07:00
cfveil.c caif: Handle dev_queue_xmit errors. 2011-05-15 17:45:56 -04:00
cfvidl.c caif: Don't resend if dev_queue_xmit fails. 2011-04-11 15:08:48 -07:00
chnl_net.c caif: Fix race when conditionally taking rtnl lock 2011-06-01 21:13:53 -07:00
Kconfig caif: Kconfig and Makefile fixes 2010-06-29 00:06:38 -07:00
Makefile caif: prepare support for namespaces 2011-05-15 17:45:55 -04:00