tmp_suning_uos_patched/net
Hannes Frederic Sowa b064d0d88a ovs: limit ovs recursions in ovs_execute_actions to not corrupt stack
It was seen that defective configurations of openvswitch could overwrite
the STACK_END_MAGIC and cause a hard crash of the kernel because of too
many recursions within ovs.

This problem arises due to the high stack usage of openvswitch. The rest
of the kernel is fine with the current limit of 10 (RECURSION_LIMIT).

We use the already existing recursion counter in ovs_execute_actions to
implement an upper bound of 5 recursions.

Cc: Pravin Shelar <pshelar@ovn.org>
Cc: Simon Horman <simon.horman@netronome.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-01-18 12:09:45 -05:00
..
6lowpan 6lowpan: fix debugfs interface entry name 2015-12-20 08:21:00 +01:00
9p ... and a couple in net/9p 2016-01-04 10:29:17 -05:00
802
8021q net: Rename NETIF_F_ALL_CSUM to NETIF_F_CSUM_MASK 2015-12-15 16:50:08 -05:00
appletalk
atm
ax25
batman-adv batman-adv: Drop immediate orig_node free function 2016-01-16 22:50:00 +08:00
bluetooth Bluetooth: avoid rebuilding hci_sock all the time 2016-01-06 16:36:44 +01:00
bridge bridge: fix lockdep addr_list_lock false positive splat 2016-01-15 15:40:45 -05:00
caif
can
ceph
core Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-15 13:33:12 -08:00
dcb
dccp
decnet
dns_resolver
dsa dsa: Register netdev before phy 2016-01-07 14:31:26 -05:00
ethernet net: Add eth_platform_get_mac_address() helper. 2016-01-06 16:31:56 -05:00
hsr
ieee802154 inet: kill unused skb_free op 2016-01-05 22:25:57 -05:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-15 13:33:12 -08:00
ipv6 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-15 13:33:12 -08:00
ipx
irda
iucv
key
l2tp l2tp: rely on ppp layer for skb scrubbing 2016-01-04 16:45:24 -05:00
l3mdev
lapb
llc
mac80211 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-17 22:08:28 -05:00
mac802154 mac802154: constify ieee802154_llsec_ops structure 2016-01-04 20:40:41 +01:00
mpls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-17 22:08:28 -05:00
netfilter Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2016-01-08 20:53:16 -05:00
netlabel
netlink genetlink: Fix off-by-one in genl_allocate_reserve_groups() 2016-01-13 10:28:06 -05:00
netrom
nfc NFC 4.5 pull request 2016-01-04 21:48:15 -05:00
openvswitch ovs: limit ovs recursions in ovs_execute_actions to not corrupt stack 2016-01-18 12:09:45 -05:00
packet
phonet phonet: properly unshare skbs in phonet_rcv() 2016-01-12 12:05:38 -05:00
rds RDS: don't pretend to use cpu notifiers 2015-12-22 15:23:05 -05:00
rfkill Bluetooth: hci_bcm: move all Broadcom ACPI IDs to BCM HCI driver 2016-01-04 19:22:05 +01:00
rose
rxrpc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2016-01-12 18:57:02 -08:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
sctp sctp: the temp asoc's transports should not be hashed/unhashed 2016-01-17 19:11:44 -05:00
sunrpc Smaller bugfixes and cleanup, including a fix for a failures of 2016-01-15 12:49:44 -08:00
switchdev switchdev: Adding MDB entry offload 2016-01-10 16:50:20 -05:00
tipc ip_tunnel: Move stats update to iptunnel_xmit() 2015-12-25 23:32:23 -05:00
unix Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-01-11 23:55:43 -05:00
vmw_vsock
wimax
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-12-17 22:08:28 -05:00
x25
xfrm net: preserve IP control block during GSO segmentation 2016-01-15 14:35:24 -05:00
compat.c
Kconfig net, sched: add clsact qdisc 2016-01-10 22:13:15 -05:00
Makefile
socket.c kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
sysctl_net.c