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Jane Zhou 78a68094b2 net/ping: handle protocol mismatching scenario 
ping_lookup() may return a wrong sock if sk_buff's and sock's protocols
dont' match. For example, sk_buff's protocol is ETH_P_IPV6, but sock's
sk_family is AF_INET, in that case, if sk->sk_bound_dev_if is zero, a wrong
sock will be returned.
the fix is to "continue" the searching, if no matching, return NULL.

[cherry-pick of net 91a0b60346]

Bug: 18512516
Change-Id: I520223ce53c0d4e155c37d6b65a03489cc7fd494
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Cc: netdev@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Jane Zhou <a17711@motorola.com>
Signed-off-by: Yiwei Zhao <gbjc64@motorola.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Lorenzo Colitti <lorenzo@google.com>
2014-12-02 02:28:04 +00:00
..
netfilter netfilter: have ip*t REJECT set the sock err when an icmp is to be sent 2013-07-01 13:40:35 -07:00
af_inet.c net: Replace AID_NET_RAW checks with capable(CAP_NET_RAW). 2013-07-01 13:40:27 -07:00
ah4.c net: Add skb_unclone() helper function. 2013-02-15 15:10:37 -05:00
arp.c firewire net, ipv4 arp: Extend hardware address and remove driver-level packet inspection. 2013-03-26 12:32:13 -04:00
cipso_ipv4.c cipso: don't follow a NULL pointer when setsockopt() is called 2012-07-18 09:01:12 -07:00
datagram.c ipv4: Add a socket release callback for datagram sockets 2013-01-21 14:17:05 -05:00
devinet.c net: socket ioctl to reset connections matching local address 2013-07-01 13:40:20 -07:00
esp4.c esp4: fix error return code in esp_output() 2013-04-15 14:05:34 -04:00
fib_frontend.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
fib_lookup.h
fib_rules.c sections: fix section conflicts in net 2012-10-06 03:04:45 +09:00
fib_semantics.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
fib_trie.c fib_trie: no need to delay vfree() 2013-05-06 11:06:51 -04:00
gre.c gre: fix a possible skb leak 2013-06-25 16:07:44 -07:00
icmp.c net: add a sysctl to reflect the fwmark on replies 2014-05-16 18:41:19 +00:00
igmp.c net: proc: change proc_net_remove to remove_proc_entry 2013-02-18 14:53:08 -05:00
inet_connection_sock.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
inet_diag.c netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
inet_fragment.c net: frag, fix race conditions in LRU list maintenance 2013-05-06 11:06:51 -04:00
inet_hashtables.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
inet_lro.c ipv4: replace ip_fast_csum with csum_replace2 2013-03-15 09:12:25 -04:00
inet_timewait_sock.c hlist: drop the node parameter from iterators 2013-02-27 19:10:24 -08:00
inetpeer.c Merge branch 'for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 2012-10-02 09:54:49 -07:00
ip_forward.c ipv4: introduce rt_uses_gateway 2012-10-08 17:42:36 -04:00
ip_fragment.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2013-04-22 20:32:51 -04:00
ip_gre.c ip_gre: fix a possible crash in ipgre_err() 2013-05-20 00:18:52 -07:00
ip_input.c net: Add MIB counters for checksum errors 2013-04-29 15:14:03 -04:00
ip_options.c net/ipv4: Ensure that location of timestamp option is stored 2013-03-12 05:35:39 -04:00
ip_output.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
ip_sockglue.c net: prevent setting ttl=0 via IP_TTL 2013-01-08 17:57:10 -08:00
ip_tunnel.c ip_tunnel: remove __net_init/exit from exported functions 2013-06-13 03:00:59 -07:00
ip_vti.c net/ipv4: ip_vti clear skb cb before tunneling. 2013-06-13 02:47:46 -07:00
ipcomp.c xfrm: allow to avoid copying DSCP during encapsulation 2013-03-06 07:02:45 +01:00
ipconfig.c ipconfig: add informative timeout messages while waiting for carrier 2013-04-02 14:35:33 -04:00
ipip.c IPIP: Use ip-tunneling code. 2013-03-26 12:27:18 -04:00
ipmr.c net-next: replace obsolete NLMSG_* with type safe nlmsg_* 2013-03-28 14:25:25 -04:00
Kconfig Tunneling: use IP Tunnel stats APIs. 2013-03-26 12:27:19 -04:00
Makefile sysfs_net_ipv4: Add sysfs-based knobs for controlling TCP window size 2013-07-01 13:40:20 -07:00
netfilter.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
ping.c net/ping: handle protocol mismatching scenario 2014-12-02 02:28:04 +00:00
proc.c net: Add MIB counters for checksum errors 2013-04-29 15:14:03 -04:00
protocol.c ipv4: Disallow non-namespace aware protocols to register. 2013-02-05 14:42:23 -05:00
raw.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
route.c Handle 'sk' being NULL in UID-based routing. 2014-07-08 18:58:21 +00:00
syncookies.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
sysctl_net_ipv4.c net: support marking accepting TCP sockets 2014-05-16 20:58:31 +00:00
sysfs_net_ipv4.c sysfs_net_ipv4: Add sysfs-based knobs for controlling TCP window size 2013-07-01 13:40:20 -07:00
tcp.c misc: uidstat: Adding uid stat driver to collect network statistics. 2013-07-01 13:40:20 -07:00
tcp_bic.c tcp: fix undo after RTO for BIC 2012-01-20 14:17:26 -05:00
tcp_cong.c tcp: remove Appropriate Byte Count support 2013-02-05 14:51:16 -05:00
tcp_cubic.c tcp: fix undo after RTO for CUBIC 2012-01-20 14:17:26 -05:00
tcp_diag.c inet_diag: Rename inet_diag_req into inet_diag_req_v2 2012-01-11 12:56:06 -08:00
tcp_fastopen.c tcp: TCP Fast Open Server - header & support functions 2012-08-31 20:02:18 -04:00
tcp_highspeed.c
tcp_htcp.c
tcp_hybla.c tcp: bool conversions 2012-05-17 14:59:59 -04:00
tcp_illinois.c net: fix divide by zero in tcp algorithm illinois 2012-11-01 11:55:59 -04:00
tcp_input.c tcp: add a sysctl to config the tcp_default_init_rwnd 2014-02-07 18:40:10 -08:00
tcp_ipv4.c net: support marking accepting TCP sockets 2014-05-16 20:58:31 +00:00
tcp_lp.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tcp_memcontrol.c net: tcp_memcontrol: minor: remove unused variable 2013-04-14 15:41:49 -04:00
tcp_metrics.c tcp: do not expire TCP fastopen cookies 2013-05-05 16:58:02 -04:00
tcp_minisocks.c tcp: reset timer after any SYNACK retransmit 2013-04-29 15:14:03 -04:00
tcp_output.c tcp: add a sysctl to config the tcp_default_init_rwnd 2014-02-07 18:40:10 -08:00
tcp_probe.c net: proc: change proc_net_remove to remove_proc_entry 2013-02-18 14:53:08 -05:00
tcp_scalable.c
tcp_timer.c tcp: refactor F-RTO 2013-03-21 11:47:50 -04:00
tcp_vegas.c
tcp_vegas.h
tcp_veno.c
tcp_westwood.c tcp: refactor F-RTO 2013-03-21 11:47:50 -04:00
tcp_yeah.c Fix common misspellings 2011-03-31 11:26:23 -03:00
tunnel4.c net: Convert printks to pr_<level> 2012-03-11 23:42:51 -07:00
udp.c net: core: Support UID-based routing. 2014-06-25 12:41:52 +09:00
udp_diag.c netlink: rename ssk to sk in struct netlink_skb_params 2013-04-19 14:57:56 -04:00
udp_impl.h ipv4: fix checkpatch errors 2012-04-15 12:37:19 -04:00
udplite.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00
xfrm4_input.c net: Add skb_unclone() helper function. 2013-02-15 15:10:37 -05:00
xfrm4_mode_beet.c ipsec: be careful of non existing mac headers 2012-02-23 16:50:45 -05:00
xfrm4_mode_transport.c
xfrm4_mode_tunnel.c xfrm: allow to avoid copying DSCP during encapsulation 2013-03-06 07:02:45 +01:00
xfrm4_output.c xfrm4: Don't call icmp_send on local error 2011-07-01 17:33:19 -07:00
xfrm4_policy.c xfrm: make gc_thresh configurable in all namespaces 2013-02-06 11:36:29 +01:00
xfrm4_state.c net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modules 2011-10-31 19:30:30 -04:00
xfrm4_tunnel.c net: ipv4: Standardize prefixes for message logging 2012-03-12 17:05:21 -07:00