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Eric Leblond a3d744e995 af-packet: fix oops when socket is not present 
Due to a NULL dereference, the following patch is causing oops
in normal trafic condition:

commit c0de08d042
Author: Eric Leblond <eric@regit.org>
Date:   Thu Aug 16 22:02:58 2012 +0000

    af_packet: don't emit packet on orig fanout group

This buggy patch was a feature fix and has reached most stable
branches.

When skb->sk is NULL and when packet fanout is used, there is a
crash in match_fanout_group where skb->sk is accessed.
This patch fixes the issue by returning false as soon as the
socket is NULL: this correspond to the wanted behavior because
the kernel as to resend the skb to all the listening socket in
this case.

Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2012-11-07 15:40:14 -05:00
..
Makefile sock_diag: Move the sock_ code to net/core/ 2011-12-06 13:58:02 -05:00
datagram.c net: skb_free_datagram_locked() doesnt drop all packets 2012-06-27 15:40:57 -07:00
dev.c af-packet: fix oops when socket is not present 2012-11-07 15:40:14 -05:00
dev_addr_lists.c netdev: make address const in device address management 2012-09-19 16:35:22 -04:00
drop_monitor.c drop_monitor: dont sleep in atomic context 2012-06-04 11:42:01 -04:00
dst.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
ethtool.c net: provide a default dev->ethtool_ops 2012-09-19 15:40:15 -04:00
fib_rules.c netlink: Rename pid to portid to avoid confusion 2012-09-10 15:30:41 -04:00
filter.c filter: add XOR instruction for use with X/K 2012-09-24 16:49:21 -04:00
flow.c net: Add a flow_cache_flush_deferred function 2011-12-21 16:48:08 -05:00
flow_dissector.c ipv6: add ipv6_addr_hash() helper 2012-07-18 11:28:46 -07:00
gen_estimator.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
gen_stats.c gen_stats: Stop using NLA_PUT*(). 2012-04-02 04:33:44 -04:00
iovec.c net: get rid of some pointless casts to sockaddr 2012-03-11 19:11:22 -07:00
link_watch.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
neighbour.c net: Fix skb_under_panic oops in neigh_resolve_output 2012-10-07 14:42:39 -04:00
net-sysfs.c net: add unknown state to sysfs NIC duplex export 2012-09-05 17:40:07 -04:00
net-sysfs.h xps: Add CONFIG_XPS 2010-11-28 18:24:14 -08:00
net-traces.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
net_namespace.c net: Statically initialize init_net.dev_base_head 2012-07-18 13:32:27 -07:00
netevent.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
netpoll.c netpoll: call ->ndo_select_queue() in tx path 2012-09-19 17:19:09 -04:00
netprio_cgroup.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
pktgen.c pktgen: replace scan_ip6() with in6_pton() 2012-10-10 22:33:30 -04:00
request_sock.c tcp: TCP Fast Open Server - support TFO listeners 2012-08-31 20:02:19 -04:00
rtnetlink.c rtnetlink: Use nlmsg type RTM_NEWNEIGH from dflt fdb dump 2012-11-03 15:27:08 -04:00
scm.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
secure_seq.c netfilter: ipv6: add IPv6 NAT support 2012-08-30 03:00:17 +02:00
skbuff.c net: fix secpath kmemleak 2012-10-22 15:16:07 -04:00
sock.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2012-10-02 13:38:27 -07:00
sock_diag.c netlink: hide struct module parameter in netlink_kernel_create 2012-09-08 18:46:30 -04:00
stream.c net: Fix the condition passed to sk_wait_event() 2010-10-03 20:41:32 -07:00
sysctl_net_core.c net: Delete all remaining instances of ctl_path 2012-04-20 21:22:30 -04:00
timestamping.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
user_dma.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
utils.c net: add doc for in4_pton() 2012-10-12 13:56:52 -04:00