Ani Sinha 44f49dd8b5 ipmr: fix possible race resulting from improper usage of IP_INC_STATS_BH() in preemptible context. ... Fixes the following kernel BUG : BUG: using __this_cpu_add() in preemptible [00000000] code: bash/2758 caller is __this_cpu_preempt_check+0x13/0x15 CPU: 0 PID: 2758 Comm: bash Tainted: P O 3.18.19 #2 ffffffff8170eaca ffff880110d1b788 ffffffff81482b2a 0000000000000000 0000000000000000 ffff880110d1b7b8 ffffffff812010ae ffff880007cab800 ffff88001a060800 ffff88013a899108 ffff880108b84240 ffff880110d1b7c8 Call Trace: [<ffffffff81482b2a>] dump_stack+0x52/0x80 [<ffffffff812010ae>] check_preemption_disabled+0xce/0xe1 [<ffffffff812010d4>] __this_cpu_preempt_check+0x13/0x15 [<ffffffff81419d60>] ipmr_queue_xmit+0x647/0x70c [<ffffffff8141a154>] ip_mr_forward+0x32f/0x34e [<ffffffff8141af76>] ip_mroute_setsockopt+0xe03/0x108c [<ffffffff810553fc>] ? get_parent_ip+0x11/0x42 [<ffffffff810e6974>] ? pollwake+0x4d/0x51 [<ffffffff81058ac0>] ? default_wake_function+0x0/0xf [<ffffffff810553fc>] ? get_parent_ip+0x11/0x42 [<ffffffff810613d9>] ? __wake_up_common+0x45/0x77 [<ffffffff81486ea9>] ? _raw_spin_unlock_irqrestore+0x1d/0x32 [<ffffffff810618bc>] ? __wake_up_sync_key+0x4a/0x53 [<ffffffff8139a519>] ? sock_def_readable+0x71/0x75 [<ffffffff813dd226>] do_ip_setsockopt+0x9d/0xb55 [<ffffffff81429818>] ? unix_seqpacket_sendmsg+0x3f/0x41 [<ffffffff813963fe>] ? sock_sendmsg+0x6d/0x86 [<ffffffff813959d4>] ? sockfd_lookup_light+0x12/0x5d [<ffffffff8139650a>] ? SyS_sendto+0xf3/0x11b [<ffffffff810d5738>] ? new_sync_read+0x82/0xaa [<ffffffff813ddd19>] compat_ip_setsockopt+0x3b/0x99 [<ffffffff813fb24a>] compat_raw_setsockopt+0x11/0x32 [<ffffffff81399052>] compat_sock_common_setsockopt+0x18/0x1f [<ffffffff813c4d05>] compat_SyS_setsockopt+0x1a9/0x1cf [<ffffffff813c4149>] compat_SyS_socketcall+0x180/0x1e3 [<ffffffff81488ea1>] cstar_dispatch+0x7/0x1e Signed-off-by: Ani Sinha <ani@arista.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2015-11-02 15:57:12 -05:00
..
6lowpan	6lowpan: move module_init into core functionality	2015-08-11 22:05:36 +02:00
9p	net/9p: Remove ib_get_dma_mr calls	2015-08-30 18:12:36 -04:00
802	net: Kill dev_rebuild_header	2015-03-02 16:43:41 -05:00
8021q	net: 8021q: convert to using IFF_NO_QUEUE	2015-08-18 11:55:06 -07:00
appletalk	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
atm	atm: deal with setting entry before mkip was called	2015-09-17 22:13:32 -07:00
ax25	NET: AX.25: Stop heartbeat timer on disconnect.	2015-07-15 15:59:58 -07:00
batman-adv	batman-adv: turn batadv_neigh_node_get() into local function	2015-08-27 20:15:34 +02:00
bluetooth	Bluetooth: Fix initializing conn_params in scan phase	2015-10-16 09:24:41 +02:00
bridge	bridge: fix igmpv3 / mldv2 report parsing	2015-09-11 15:08:20 -07:00
caif	net: caif: convert to using IFF_NO_QUEUE	2015-08-18 11:55:07 -07:00
can	can: replace timestamp as unique skb attribute	2015-07-12 21:13:22 +02:00
ceph	rbd: use writefull op for object size writes	2015-10-16 16:49:01 +02:00
core	openvswitch: Fix egress tunnel info.	2015-10-22 19:39:25 -07:00
dcb	net/dcb: Add IEEE QCN attribute	2015-03-06 21:50:02 -05:00
dccp	tcp/dccp: fix timewait races in timer handling	2015-09-21 16:32:29 -07:00
decnet	net: ipv6: use common fib_default_rule_pref	2015-09-09 14:19:50 -07:00
dns_resolver
dsa	net: dsa: exit probe if no switch were found	2015-10-07 04:56:11 -07:00
ethernet	flow_dissector: Add flags argument to skb_flow_dissector functions	2015-09-01 15:06:22 -07:00
hsr	net: hsr: convert to using IFF_NO_QUEUE	2015-08-18 11:55:07 -07:00
ieee802154	Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next	2015-08-29 13:15:03 -07:00
ipv4	ipmr: fix possible race resulting from improper usage of IP_INC_STATS_BH() in preemptible context.	2015-11-02 15:57:12 -05:00
ipv6	ipv6: protect mtu calculation of wrap-around and infinite loop by rounding issues	2015-10-29 07:01:50 -07:00
ipx	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
irda	irda: precedence bug in irlmp_seq_hb_idx()	2015-10-21 07:48:26 -07:00
iucv	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
key	af_key: fix two typos	2015-10-23 03:05:19 -07:00
l2tp	l2tp: protect tunnel->del_work by ref_count	2015-09-28 22:39:10 -07:00
lapb
llc	tcp: fix recv with flags MSG_WAITALL | MSG_PEEK	2015-07-27 01:06:53 -07:00
mac80211	mac80211: Fix hwflags debugfs file format	2015-10-13 10:30:56 +02:00
mac802154	ieee802154: add ack request default handling	2015-08-10 20:43:06 +02:00
mpls	mpls: fix mpls_net_init memory leak	2015-08-31 12:45:09 -07:00
netfilter	netfilter: ipset: Fix sleeping memory allocation in atomic context	2015-10-17 13:01:24 +02:00
netlabel	netlink: implement nla_put_in_addr and nla_put_in6_addr	2015-03-31 13:58:35 -04:00
netlink	netlink: fix locking around NETLINK_LIST_MEMBERSHIPS	2015-10-22 07:18:28 -07:00
netrom	netfilter: Remove spurios included of netfilter.h	2015-06-18 21:14:32 +02:00
nfc	nfc: netlink: Add capability to reply to vendor_cmd with data	2015-08-20 22:00:11 +02:00
openvswitch	openvswitch: Fix skb leak using IPv6 defrag	2015-10-27 19:32:18 -07:00
packet	Fix AF_PACKET ABI breakage in 4.2	2015-09-23 14:33:55 -07:00
phonet	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
rds	RDS-TCP: Recover correctly from pskb_pull()/pksb_trim() failure in rds_tcp_data_recv	2015-10-27 19:46:34 -07:00
rfkill	rfkill: Copy "all" global state to other types	2015-09-04 14:26:56 +02:00
rose	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2015-06-24 02:58:51 -07:00
rxrpc	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
sched	sch_hhf: fix return value of hhf_drop()	2015-10-11 04:49:33 -07:00
sctp	net: sctp: Don't use 64 kilobyte lookup table for four elements	2015-09-28 22:52:21 -07:00
sunrpc	Changes for 4.3-rc5	2015-10-15 13:44:35 -07:00
switchdev	switchdev: check if the vlan id is in the proper vlan range	2015-10-13 04:43:24 -07:00
tipc	tipc: linearize arriving NAME_DISTR and LINK_PROTO buffers	2015-11-01 12:04:29 -05:00
unix	net/unix: fix logic about sk_peek_offset	2015-10-05 06:33:09 -07:00
vmw_vsock	VSOCK: Fix lockdep issue.	2015-10-22 18:26:29 -07:00
wimax	net:wimax: Fix doucble word "the the" in networking.xml	2015-08-09 22:43:52 -07:00
wireless	cfg80211: regulatory: restore proper user alpha2	2015-09-04 14:29:25 +02:00
x25	net: Pass kern from net_proto_family.create to sk_alloc	2015-05-11 10:50:17 -04:00
xfrm	xfrm: Fix state threshold configuration from userspace	2015-09-29 11:45:55 +02:00
compat.c	net: switch importing msghdr from userland to {compat_,}import_iovec()	2015-04-09 00:02:26 -04:00
Kconfig	lwtunnel: infrastructure for handling light weight tunnels like mpls	2015-07-21 10:39:03 -07:00
Makefile	mpls: Refactor how the mpls module is built	2015-03-04 00:26:06 -05:00
socket.c	net: Add a struct net parameter to sock_create_kern	2015-05-11 10:50:17 -04:00
sysctl_net.c	net: sysctl: fix a kmemleak warning	2015-10-23 06:22:08 -07:00