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d1a6cba576
linux/net
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Liping Zhang d1a6cba576 netfilter: nft_chain_route: re-route before skb is queued to userspace 
Imagine such situation, user add the following nft rules, and queue
the packets to userspace for further check:
  # ip rule add fwmark 0x0/0x1 lookup eth0
  # ip rule add fwmark 0x1/0x1 lookup eth1
  # nft add table filter
  # nft add chain filter output {type route hook output priority 0 \;}
  # nft add rule filter output mark set 0x1
  # nft add rule filter output queue num 0

But after we reinject the skbuff, the packet will be sent via the
wrong route, i.e. in this case, the packet will be routed via eth0
table, not eth1 table. Because we skip to do re-route when verdict
is NF_QUEUE, even if the mark was changed.

Acctually, we should not touch sk_buff if verdict is NF_DROP or
NF_STOLEN, and when re-route fails, return NF_DROP with error code.
This is consistent with the mangle table in iptables.

Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2016-09-06 18:02:37 +02:00
..
6lowpan 6lowpan: ndisc: set invalid unicast short addr to unspec 2016-07-08 13:23:12 +02:00
9p 9p/trans_virtio: use kvfree() for iov_iter_get_pages_alloc() 2016-08-09 13:42:36 +03:00
802
8021q net: remove type_check from dev_get_nest_level() 2016-08-13 15:15:54 -07:00
appletalk
atm net: add dev arg to ndo_neigh_construct/destroy 2016-07-05 09:06:28 -07:00
ax25 AX.25: Close socket connection on session completion 2016-06-18 20:55:34 -07:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
bluetooth Bluetooth: Fix hci_sock_recvmsg when MSG_TRUNC is not set 2016-08-25 20:58:47 +02:00
bridge net: bridge: don't increment tx_dropped in br_do_proxy_arp 2016-09-01 16:35:30 -07:00
caif caif: Remove unneeded header file 2016-06-28 05:26:14 -04:00
can can: only call can_stat_update with procfs 2016-06-23 11:23:49 +02:00
ceph libceph: using kfree_rcu() to simplify the code 2016-08-08 21:41:42 +02:00
core bonding: Fix bonding crash 2016-09-04 11:41:12 -07:00
dcb
dccp Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-07-29 17:38:46 -07:00
decnet net: fix decnet rtnexthop parsing 2016-07-05 14:08:47 -07:00
dns_resolver
dsa net: dsa: support switchdev ageing time attr 2016-07-19 19:42:01 -07:00
ethernet
hsr
ieee802154 ieee802154: 6lowpan: fix intra pan id check 2016-07-08 13:23:12 +02:00
ipv4 netfilter: nft_chain_route: re-route before skb is queued to userspace 2016-09-06 18:02:37 +02:00
ipv6 netfilter: nft_chain_route: re-route before skb is queued to userspace 2016-09-06 18:02:37 +02:00
ipx
irda net/irda: handle iriap_register_lsap() allocation failure 2016-08-13 15:09:07 -07:00
iucv Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2016-07-29 17:38:46 -07:00
kcm kcm: fix a socket double free 2016-08-31 21:00:19 -07:00
key
l2tp l2tp: fix use-after-free during module unload 2016-09-02 11:44:44 -07:00
l3mdev net: vrf: Implement get_saddr for IPv6 2016-06-17 21:25:29 -07:00
lapb net/lapb: tuse %*ph to dump buffers 2016-05-29 22:33:25 -07:00
llc
mac80211 mac80211: TDLS: don't require beaconing for AP BW 2016-08-30 08:03:41 +02:00
mac802154
mpls mpls: allow routes on ipip and sit devices 2016-07-09 17:45:56 -04:00
ncsi net/ncsi: avoid maybe-uninitialized warning 2016-07-25 10:32:59 -07:00
netfilter netfilter: nf_tables_trace: fix endiness when dump chain policy 2016-09-05 19:28:23 +02:00
netlabel netlabel: Implement CALIPSO config functions for SMACK. 2016-06-27 15:06:18 -04:00
netlink net/netlink/af_netlink.h: Remove unused structure. 2016-06-09 22:26:24 -07:00
netrom
nfc NFC: digital: Fix RTOX supervisor PDU handling 2016-07-11 02:02:03 +02:00
openvswitch openvswitch: do not ignore netdev errors when creating tunnel vports 2016-08-10 23:13:23 -07:00
packet Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-07-24 00:53:32 -04:00
phonet
qrtr
rds RDS: TCP: Enable multipath RDS for TCP 2016-07-15 11:36:58 -07:00
rfkill
rose rose: limit sk_filter trim to payload 2016-07-13 11:53:40 -07:00
rxrpc rxrpc: Free packets discarded in data_ready 2016-08-09 17:13:56 +01:00
sched qdisc: fix a module refcount leak in qdisc_create_dflt() 2016-08-25 16:44:20 -07:00
sctp sctp: fix overrun in sctp_diag_dump_one() 2016-08-23 17:22:53 -07:00
sunrpc NFS client bugfixes for Linux 4.8 2016-08-12 12:32:24 -07:00
switchdev net/switchdev: Export the same parent ID service function 2016-07-14 13:34:29 -07:00
tipc tipc: fix random link resets while adding a second bearer 2016-09-01 10:12:26 -07:00
unix af_unix: split 'u->readlock' into two: 'iolock' and 'bindlock' 2016-09-04 13:29:29 -07:00
vmw_vsock vhost/vsock: drop space available check for TX vq 2016-08-15 05:05:21 +03:00
wimax
wireless Three little fixes: 2016-08-30 21:34:48 -07:00
x25
xfrm
compat.c packet: compat support for sock_fprog 2016-06-09 23:41:03 -07:00
Kconfig net/ncsi: Resource management 2016-07-19 20:49:16 -07:00
Makefile net/ncsi: Resource management 2016-07-19 20:49:16 -07:00
socket.c fs: poll/select/recvmmsg: use timespec64 for timeout events 2016-05-19 19:12:14 -07:00
sysctl_net.c net: Use ns_capable_noaudit() when determining net sysctl permissions 2016-06-06 20:16:22 +10:00