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linux/drivers/net
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Zefan Li 578a1310f2 dlci: validate the net device in dlci_del() 
We triggered an oops while running trinity with 3.4 kernel:

BUG: unable to handle kernel paging request at 0000000100000d07
IP: [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
PGD 640c0d067 PUD 0
Oops: 0000 [#1] PREEMPT SMP
CPU 3
...
Pid: 7302, comm: trinity-child3 Not tainted 3.4.24.09+ 40 Huawei Technologies Co., Ltd. Tecal RH2285          /BC11BTSA
RIP: 0010:[<ffffffffa0109738>]  [<ffffffffa0109738>] dlci_ioctl+0xd8/0x2d4 [dlci]
...
Call Trace:
  [<ffffffff8137c5c3>] sock_ioctl+0x153/0x280
  [<ffffffff81195494>] do_vfs_ioctl+0xa4/0x5e0
  [<ffffffff8118354a>] ? fget_light+0x3ea/0x490
  [<ffffffff81195a1f>] sys_ioctl+0x4f/0x80
  [<ffffffff81478b69>] system_call_fastpath+0x16/0x1b
...

It's because the net device is not a dlci device.

Reported-by: Li Jinyue <lijinyue@huawei.com>
Signed-off-by: Li Zefan <lizefan@huawei.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-26 15:36:42 -07:00
..
appletalk appletalk: remove "config IPDDP_DECAP" 2013-03-22 10:21:09 -04:00
arcnet
bonding bonding: fix slave speed reporting in bond_miimon_commit 2013-06-24 00:04:55 -07:00
caif caif: CAIF_VIRTIO should depend on HAS_DMA 2013-05-11 16:28:24 -07:00
can can: usb_8dev: unregister netdev before free()ing 2013-06-19 08:56:10 +02:00
cris
dsa
ethernet net/tg3: Avoid delay during MMIO access 2013-06-25 17:00:40 -07:00
fddi
hamradio drivers/net: rename random32() to prandom_u32() 2013-05-07 18:38:27 -07:00
hippi
hyperv Fix the VLAN_TAG_PRESENT in netvsc_recv_callback() 2013-06-17 15:58:11 -07:00
ieee802154 at86rf230: change irq handling to prevent lockups with edge type irq 2013-04-16 16:34:08 -04:00
irda net/irda: fix error return code in bfin_sir_open() 2013-05-08 13:13:29 -07:00
phy net: phy: fix a bug when verify the EEE support 2013-05-27 23:30:09 -07:00
plip net: add ETH_P_802_3_MIN 2013-03-28 01:20:42 -04:00
ppp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
slip
team team: move add to port list before port enablement 2013-06-12 00:56:27 -07:00
usb qmi_wwan: add various Novatel Gobi1K IDs 2013-06-24 00:08:38 -07:00
vmxnet3 net: vlan: add protocol argument to packet tagging functions 2013-04-19 14:46:06 -04:00
wan dlci: validate the net device in dlci_del() 2013-06-26 15:36:42 -07:00
wimax
wireless ath9k_htc: Handle IDLE state transition properly 2013-06-24 13:52:52 -04:00
xen-netback xen-netback: don't de-reference vif pointer after having called xenvif_put() 2013-06-13 01:25:24 -07:00
dummy.c
eql.c
ifb.c net: vlan: announce STAG offload capability in some drivers 2013-04-19 14:46:06 -04:00
Kconfig VXLAN: Fix vxlan stats handling. 2013-03-26 12:27:18 -04:00
LICENSE.SRC
loopback.c
macvlan.c macvlan: don't touch promisc without passthrough 2013-06-13 01:20:33 -07:00
macvtap.c macvtap: fix recovery from gup errors 2013-06-25 16:17:10 -07:00
Makefile
mdio.c
mii.c
netconsole.c
ntb_netdev.c ntb_netdev: remove from list on exit 2013-05-15 10:58:14 -07:00
rionet.c
sb1000.c
Space.c
sungem_phy.c
tun.c tun: fix recovery from gup errors 2013-06-25 16:16:45 -07:00
veth.c net: vlan: announce STAG offload capability in some drivers 2013-04-19 14:46:06 -04:00
virtio_net.c virtio_net: enable napi for all possible queues during open 2013-05-23 00:10:59 -07:00
vxlan.c vxlan: fix check for migration of static entry 2013-06-19 00:50:58 -07:00
xen-netfront.c xen-netfront: reduce gso_max_size to account for max TCP header 2013-04-22 15:37:01 -04:00