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368982cd7d
linux/net
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Pablo Neira Ayuso 368982cd7d netfilter: nfnetlink_queue: resolve clash for unconfirmed conntracks 
In nfqueue, two consecutive skbuffs may race to create the conntrack
entry. Hence, the one that loses the race gets dropped due to clash in
the insertion into the hashes from the nf_conntrack_confirm() path.

This patch adds a new nf_conntrack_update() function which searches for
possible clashes and resolve them. NAT mangling for the packet losing
race is corrected by using the conntrack information that won race.

In order to avoid direct module dependencies with conntrack and NAT, the
nf_ct_hook and nf_nat_hook structures are used for this purpose.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-05-23 09:26:08 +02:00
..
6lowpan
9p Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
802
8021q vlan: correct the file path in vlan_dev_change_flags() comment 2018-05-07 23:37:30 -04:00
appletalk net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
atm net: atm: Fix potential Spectre v1 2018-05-04 12:52:47 -04:00
ax25 net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
batman-adv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-04-01 19:49:34 -04:00
bluetooth Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth 2018-04-08 17:19:15 -04:00
bpf bpf: making bpf_prog_test run aware of possible data_end ptr change 2018-04-18 23:34:16 +02:00
bridge net: bridge: Allow bridge master in br_vlan_get_info() 2018-05-10 17:50:51 -04:00
caif net: caif: fix spelling mistake "UKNOWN" -> "UNKNOWN" 2018-04-19 13:37:10 -04:00
can net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ceph libceph: add osd_req_op_extent_osd_data_bvecs() 2018-05-10 10:15:05 +02:00
core net: Update generic_xdp_needed static key to modern api 2018-05-10 15:13:34 -04:00
dcb
dccp dccp: fix tasklet usage 2018-05-03 15:14:57 -04:00
decnet net: fib_rules: add extack support 2018-04-23 10:21:24 -04:00
dns_resolver KEYS: DNS: limit the length of option strings 2018-04-17 15:17:41 -04:00
dsa net: dsa: Plug in PHYLINK support 2018-05-11 12:03:06 -04:00
ethernet net: core: rework basic flow dissection helper 2018-05-08 00:02:36 -04:00
hsr
ieee802154 net: ieee802154: 6lowpan: fix frag reassembly 2018-04-23 20:56:24 +02:00
ife net: sched: ife: check on metadata length 2018-04-22 21:12:00 -04:00
ipv4 netfilter: nf_nat: add nat type hooks to nat core 2018-05-23 09:14:06 +02:00
ipv6 netfilter: ip6t_rpfilter: provide input interface for route lookup 2018-05-23 09:25:54 +02:00
iucv Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-23 11:31:58 -04:00
kcm net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
key af_key: Always verify length of provided sadb_key 2018-04-09 07:06:38 +02:00
l2tp l2tp: consistent reference counting in procfs and debufs 2018-04-27 11:06:35 -04:00
l3mdev
lapb
llc llc: better deal with too small mtu 2018-05-08 00:11:40 -04:00
mac80211 mac80211: use timeout from the AddBA response instead of the request 2018-05-07 20:35:15 +02:00
mac802154 net/mac802154: disambiguate mac80215 vs mac802154 trace events 2018-03-28 22:55:18 +02:00
mpls net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
ncsi net/ncsi: Refactor MAC, VLAN filters 2018-04-17 13:50:58 -04:00
netfilter netfilter: nfnetlink_queue: resolve clash for unconfirmed conntracks 2018-05-23 09:26:08 +02:00
netlabel netlabel: If PF_INET6, check sk_buff ip header version 2018-02-14 14:01:41 -05:00
netlink net/netlink: make sure the headers line up actual value output 2018-05-04 13:00:57 -04:00
netrom net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-02-19 18:46:11 -05:00
nsh nsh: fix infinite loop 2018-05-04 12:54:38 -04:00
openvswitch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
packet dev: packet: make packet_direct_xmit a common function 2018-05-03 15:55:24 -07:00
phonet net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00
psample
qrtr net: qrtr: Expose tunneling endpoint to user space 2018-04-27 15:06:10 -04:00
rds rds: do not leak kernel memory to user land 2018-05-03 11:26:14 -04:00
rfkill rfkill: gpio: fix memory leak in probe error path 2018-05-07 15:01:40 +02:00
rose net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
rxrpc rxrpc: Trace UDP transmission failure 2018-05-10 23:26:01 +01:00
sched Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
sctp Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
smc smc: add support for splice() 2018-05-04 11:45:06 -04:00
strparser strparser: Do not call mod_delayed_work with a timeout of LONG_MAX 2018-04-22 21:09:16 -04:00
sunrpc NFS client fixes for Linux 4.17-rc4 2018-05-11 13:56:43 -07:00
switchdev
tipc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
tls Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
unix af_unix: remove redundant lockdep class 2018-04-04 11:13:40 -04:00
vmw_vsock VSOCK: make af_vsock.ko removable again 2018-04-17 09:44:30 -04:00
wimax
wireless nl80211: Free connkeys on external authentication failure 2018-04-20 09:58:03 +02:00
x25 net: Use octal not symbolic permissions 2018-03-26 12:07:48 -04:00
xdp xsk: statistics support 2018-05-03 15:55:25 -07:00
xfrm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-05-11 20:53:22 -04:00
compat.c net: support compat 64-bit time in {s,g}etsockopt 2018-04-27 19:46:06 -04:00
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-05-07 23:35:08 -04:00
Makefile xsk: add user memory registration support sockopt 2018-05-03 15:55:23 -07:00
socket.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2018-04-05 11:56:35 -07:00
sysctl_net.c net: Drop pernet_operations::async 2018-03-27 13:18:09 -04:00