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ceffcc5e25
linux/net
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Cong Wang ceffcc5e25 net_sched: hold netns refcnt for each action 
TC actions have been destroyed asynchronously for a long time,
previously in a RCU callback and now in a workqueue. If we
don't hold a refcnt for its netns, we could use the per netns
data structure, struct tcf_idrinfo, after it has been freed by
netns workqueue.

Hold refcnt to ensure netns destroy happens after all actions
are gone.

Fixes: ddf97ccdd7 ("net_sched: add network namespace support for tc actions")
Reported-by: Lucas Bates <lucasb@mojatatu.com>
Tested-by: Lucas Bates <lucasb@mojatatu.com>
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-03 10:30:38 +09:00
..
6lowpan
9p net/9p: switch p9_fd_read to kernel_write 2017-09-04 19:05:16 -04:00
802 net: introduce __skb_put_[zero, data, u8] 2017-06-20 13:30:14 -04:00
8021q net: 8021q: skip packets if the vlan is down 2017-10-04 18:16:48 -07:00
appletalk networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
atm net: atm: make atmdev_ops const 2017-08-09 22:43:50 -07:00
ax25 net, ax25: convert ax25_cb.refcount from atomic_t to refcount_t 2017-07-04 22:35:19 +01:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-08-09 16:28:45 -07:00
bluetooth Revert "Bluetooth: Add option for disabling legacy ioctl interfaces" 2017-09-28 13:20:32 -07:00
bpf
bridge net: bridge: fix returning of vlan range op errors 2017-10-22 01:46:32 +01:00
caif net: convert sock.sk_wmem_alloc from atomic_t to refcount_t 2017-07-01 07:39:08 -07:00
can can: af_can: can_pernet_init(): add missing error handling for kzalloc returning NULL 2017-10-19 13:05:54 +02:00
ceph libceph: don't allow bidirectional swap of pg-upmap-items 2017-09-19 20:34:29 +02:00
core bpf: rename sk_actions to align with bpf infrastructure 2017-10-29 11:18:48 +09:00
dcb rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
dccp tcp/dccp: fix other lockdep splats accessing ireq_opt 2017-10-26 17:41:32 +09:00
decnet Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-09-03 17:08:42 -07:00
dns_resolver KEYS: Fix race between updating and finding a negative key 2017-10-18 09:12:40 +01:00
dsa net: dsa: check master device before put 2017-10-25 10:49:14 +09:00
ethernet networking: make skb_push & __skb_push return void pointers 2017-06-16 11:48:40 -04:00
hsr net/hsr: Check skb_put_padto() return value 2017-08-22 13:40:23 -07:00
ieee802154 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-05 20:03:35 -07:00
ife MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
ipv4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2017-11-02 16:52:41 +09:00
ipv6 ipv6: addrconf: increment ifp refcount before ipv6_del_addr() 2017-11-01 21:18:13 +09:00
ipx net, ipx: convert ipx_route.refcnt from atomic_t to refcount_t 2017-07-04 22:35:17 +01:00
iucv iucv: Convert sk_wmem_alloc accesses to refcount_t. 2017-07-03 02:31:22 -07:00
kcm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-09-01 17:42:05 -07:00
key Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-08-15 20:23:23 -07:00
l2tp l2tp: hold tunnel in pppol2tp_connect() 2017-10-31 10:59:52 +09:00
l3mdev
lapb net, lapb: convert lapb_cb.refcnt from atomic_t to refcount_t 2017-07-04 22:35:16 +01:00
llc net, llc: convert llc_sap.refcnt from atomic_t to refcount_t 2017-07-04 22:35:15 +01:00
mac80211 mac80211: don't compare TKIP TX MIC key in reinstall prevention 2017-10-25 11:04:45 +02:00
mac802154 net: Fix inconsistent teardown and release of private netdev state. 2017-06-07 15:53:24 -04:00
mpls rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
ncsi net/ncsi: Fix length of GVI response packet 2017-10-21 01:56:38 +01:00
netfilter netfilter: nft_set_hash: disable fast_ops for 2-len keys 2017-10-25 14:46:44 +02:00
netlabel
netlink netlink: fix netlink_ack() extack race 2017-10-18 12:22:28 +01:00
netrom net, netrom: convert nr_node.refcount from atomic_t to refcount_t 2017-07-04 22:35:17 +01:00
nfc NFC: Add sockaddr length checks before accessing sa_family in bind handlers 2017-06-23 00:38:31 +02:00
nsh nsh: add GSO support 2017-08-29 15:16:52 -07:00
openvswitch openvswitch: Fix an error handling path in 'ovs_nla_init_match_and_action()' 2017-09-12 20:37:31 -07:00
packet packet: avoid panic in packet_getsockopt() 2017-10-21 01:51:34 +01:00
phonet rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
psample MAINTAINERS: Update Yotam's E-mail 2017-11-01 12:19:03 +09:00
qrtr rtnetlink: make rtnl_register accept a flags parameter 2017-08-09 16:57:38 -07:00
rds rds: Fix inaccurate accounting of unsignaled wrs 2017-10-26 17:35:57 +09:00
rfkill net: rfkill: gpio: Switch to devm_acpi_dev_add_driver_gpios() 2017-06-13 11:07:51 +02:00
rose
rxrpc rxrpc: Don't release call mutex on error pointer 2017-10-22 03:05:39 +01:00
sched net_sched: hold netns refcnt for each action 2017-11-03 10:30:38 +09:00
sctp sctp: fix some type cast warnings introduced since very beginning 2017-10-29 18:03:24 +09:00
smc net/smc: no close wait in case of process shut down 2017-09-21 15:31:03 -07:00
strparser strparser: Use delayed work instead of timer for msg timeout 2017-10-25 10:37:11 +09:00
sunrpc SUNRPC: Destroy transport from the system workqueue 2017-10-19 12:17:56 -04:00
switchdev net: switchdev: Remove bridge bypass support from switchdev 2017-08-07 14:48:48 -07:00
tipc tipc: Unclone message at secondary destination lookup 2017-10-08 21:13:23 -07:00
tls tls: make tls_sw_free_resources static 2017-09-14 09:55:21 -07:00
unix net/unix: don't show information about sockets from other namespaces 2017-10-26 10:05:59 +09:00
vmw_vsock hv_sock: add locking in the open/close/release code paths 2017-10-21 02:21:08 +01:00
wimax
wireless cfg80211: fix connect/disconnect edge cases 2017-10-18 09:39:44 +02:00
x25 X25: constify null_x25_address 2017-08-03 09:13:51 -07:00
xfrm xfrm: Fix GSO for IPsec with GRE tunnel. 2017-10-31 09:20:35 +01:00
compat.c net: compat: assert the size of cmsg copied in is as expected 2017-09-20 15:36:18 -07:00
Kconfig net: Remove CONFIG_NETFILTER_DEBUG and _ASSERT() macros. 2017-09-04 13:25:20 +02:00
Makefile nsh: add GSO support 2017-08-29 15:16:52 -07:00
socket.c net: fixes for skb_send_sock 2017-08-16 11:27:52 -07:00
sysctl_net.c