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Hong zhi guo 9b46922e15 bridge: fix crash when set mac address of br interface 
When I tried to set mac address of a bridge interface to a mac
address which already learned on this bridge, I got system hang.

The cause is straight forward: function br_fdb_change_mac_address
calls fdb_insert with NULL source nbp. Then an fdb lookup is
performed. If an fdb entry is found and it's local, it's OK. But
if it's not local, source is dereferenced for printk without NULL
check.

Signed-off-by: Hong Zhiguo <honkiko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2013-03-24 17:27:28 -04:00
..
netfilter net: remove redundant check for timer pending state before del_timer 2013-02-04 13:26:49 -05:00
Kconfig bridge: Add vlan filtering infrastructure 2013-02-13 19:41:46 -05:00
Makefile bridge: Add vlan filtering infrastructure 2013-02-13 19:41:46 -05:00
br.c net:bridge: use IS_ENABLED 2011-12-16 15:49:52 -05:00
br_device.c bridge: add missing vid to br_mdb_get() 2013-03-07 16:32:19 -05:00
br_fdb.c bridge: fix crash when set mac address of br interface 2013-03-24 17:27:28 -04:00
br_forward.c bridge: Implement vlan ingress/egress policy with PVID. 2013-02-13 19:42:15 -05:00
br_if.c bridge: Add vlan support for local fdb entries 2013-02-13 19:42:16 -05:00
br_input.c bridge: add missing vid to br_mdb_get() 2013-03-07 16:32:19 -05:00
br_ioctl.c net: Allow userns root to control the network bridge code. 2012-11-18 20:33:00 -05:00
br_mdb.c bridge: fix mdb info leaks 2013-03-10 05:19:25 -04:00
br_multicast.c bridge: add missing vid to br_mdb_get() 2013-03-07 16:32:19 -05:00
br_netfilter.c bridge: Pull ip header into skb->data before looking into ip header. 2012-10-10 22:50:45 -04:00
br_netlink.c bridge: Add support for setting BR_ROOT_BLOCK flag. 2013-03-17 12:41:29 -04:00
br_notify.c bridge: respect RFC2863 operational state 2012-12-30 02:31:43 -08:00
br_private.h bridge: add missing vid to br_mdb_get() 2013-03-07 16:32:19 -05:00
br_private_stp.h net: cleanup unsigned to unsigned int 2012-04-15 12:44:40 -04:00
br_stp.c bridge: add root port blocking 2012-11-14 20:20:44 -05:00
br_stp_bpdu.c bridge: set priority of STP packets 2013-02-11 14:16:52 -05:00
br_stp_if.c bridge: use dev->addr_assign_type to see if user change mac 2013-02-11 14:16:26 -05:00
br_stp_timer.c time: jiffies_delta_to_clock_t() helper to the rescue 2012-08-09 16:17:03 -07:00
br_sysfs_br.c bridge: Add vlan filtering infrastructure 2013-02-13 19:41:46 -05:00
br_sysfs_if.c bridge: implement multicast fast leave 2012-12-05 16:24:45 -05:00
br_vlan.c bridge: Separate egress policy bitmap 2013-02-13 19:42:16 -05:00