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9e296becde
linux/net
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Eric Leblond 9e296becde af_packet: don't emit packet on orig fanout group 
[ Upstream commit c0de08d042 ]

If a packet is emitted on one socket in one group of fanout sockets,
it is transmitted again. It is thus read again on one of the sockets
of the fanout group. This result in a loop for software which
generate packets when receiving one.
This retransmission is not the intended behavior: a fanout group
must behave like a single socket. The packet should not be
transmitted on a socket if it originates from a socket belonging
to the same fanout group.

This patch fixes the issue by changing the transmission check to
take fanout group info account.

Reported-by: Aleksandr Kotov <a1k@mail.ru>
Signed-off-by: Eric Leblond <eric@regit.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-10-02 10:29:37 -07:00
..
9p 9p: BUG before corrupting memory 2012-06-22 11:37:15 -07:00
802 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-04-02 17:53:39 -07:00
8021q net: Fix memory leak - vlan_info struct 2012-08-09 08:31:41 -07:00
appletalk net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
atm atm: fix info leak via getsockname() 2012-10-02 10:29:36 -07:00
ax25 net ax25: Reorder ax25_exit to remove races. 2012-04-19 15:37:48 -04:00
batman-adv batman-adv: only drop packets of known wifi clients 2012-07-16 09:04:11 -07:00
bluetooth Bluetooth: L2CAP - Fix info leak via getsockname() 2012-10-02 10:29:36 -07:00
bridge bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2) 2012-07-16 09:03:49 -07:00
caif caif: Fix access to freed pernet memory 2012-08-09 08:31:42 -07:00
can net: remove skb_orphan_try() 2012-07-16 09:03:48 -07:00
ceph libceph: isolate kmap() call in write_partial_msg_pages() 2012-03-22 10:47:52 -05:00
core af_packet: don't emit packet on orig fanout group 2012-10-02 10:29:37 -07:00
dcb net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
dccp dccp: fix info leak via getsockopt(DCCP_SOCKOPT_CCID_TX_INFO) 2012-10-02 10:29:37 -07:00
decnet Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
dns_resolver KEYS: Allow special keyrings to be cleared 2012-01-19 14:38:51 +11:00
dsa dsa: Move switch drivers to new directory drivers/net/dsa 2011-11-29 00:21:36 -05:00
econet Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ethernet Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
ieee802154 6lowpan: add missing spin_lock_init() 2012-04-26 05:32:55 -04:00
ipv4 tcp: Apply device TSO segment limit earlier 2012-10-02 10:29:34 -07:00
ipv6 ipv6: addrconf: Avoid calling netdevice notifiers with RCU read-side lock 2012-10-02 10:29:35 -07:00
ipx net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
irda Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
iucv net: remove skb_orphan_try() 2012-07-16 09:03:48 -07:00
key net/key/af_key.c: add missing kfree_skb 2012-04-13 11:01:44 -04:00
l2tp l2tp: fix a race in l2tp_ip_sendmsg() 2012-07-16 09:03:45 -07:00
lapb Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
llc llc: fix info leak via getsockname() 2012-10-02 10:29:37 -07:00
mac80211 mac80211: cancel mesh path timer 2012-08-15 08:10:09 -07:00
netfilter ipvs: fix info leak in getsockopt(IP_VS_SO_GET_TIMEOUT) 2012-10-02 10:29:37 -07:00
netlabel netlabel: use GFP flags from caller instead of GFP_ATOMIC 2012-03-22 19:29:57 -04:00
netlink netlink: fix races after skb queueing 2012-04-06 04:21:06 -04:00
netrom Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
nfc NFC: Prevent multiple buffer overflows in NCI 2012-07-16 09:03:50 -07:00
openvswitch openvswitch: checking wrong variable in queue_userspace_packet() 2012-05-13 15:47:34 -04:00
packet af_packet: don't emit packet on orig fanout group 2012-10-02 10:29:37 -07:00
phonet phonet: Sort out initiailziation and cleanup code. 2012-04-13 11:01:43 -04:00
rds RDS: use gfp flags from caller in conn_alloc() 2012-03-22 19:29:58 -04:00
rfkill device.h: cleanup users outside of linux/include (C files) 2012-03-11 14:27:37 -04:00
rose Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2012-04-02 17:53:39 -07:00
rxrpc RxRPC: Fix kcalloc parameters swapped 2012-02-14 14:41:55 -05:00
sched net_sched: gact: Fix potential panic in tcf_gact(). 2012-10-02 10:29:34 -07:00
sctp sctp: Fix list corruption resulting from freeing an association on a list 2012-08-09 08:31:42 -07:00
sunrpc svcrpc: sends on closed socket should stop immediately 2012-09-14 10:00:19 -07:00
tipc tipc: Optimize setting of immutable payload message header fields 2012-02-29 11:45:35 -05:00
unix poll: add poll_requested_events() and poll_does_not_wait() functions 2012-03-23 16:58:38 -07:00
wanrouter wanmain: comparing array with NULL 2012-08-09 08:31:51 -07:00
wimax net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
wireless cfg80211: fix interface combinations check for ADHOC(IBSS) 2012-08-15 08:10:33 -07:00
x25 net:x25: use IS_ENABLED 2011-12-16 15:49:52 -05:00
xfrm ipv6: fix incorrect ipsec fragment 2012-06-10 00:36:15 +09:00
compat.c net: Fix references to out-of-scope variables in put_cmsg_compat() 2012-08-09 08:31:42 -07:00
Kconfig net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
Makefile net: Add Open vSwitch kernel components. 2011-12-03 09:35:17 -08:00
nonet.c
socket.c net: fix info leak in compat dev_ifconf() 2012-10-02 10:29:37 -07:00
sysctl_net.c sysctl: Modify __register_sysctl_paths to take a set instead of a root and an nsproxy 2012-01-24 16:40:30 -08:00