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Tan Hu 8ddec6aaad netfilter: masquerade: don't flush all conntracks if only one address deleted on device 
[ Upstream commit 097f95d319 ]

We configured iptables as below, which only allowed incoming data on
established connections:

iptables -t mangle -A PREROUTING -m state --state ESTABLISHED -j ACCEPT
iptables -t mangle -P PREROUTING DROP

When deleting a secondary address, current masquerade implements would
flush all conntracks on this device. All the established connections on
primary address also be deleted, then subsequent incoming data on the
connections would be dropped wrongly because it was identified as NEW
connection.

So when an address was delete, it should only flush connections related
with the address.

Signed-off-by: Tan Hu <tan.hu@zte.com.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-11-20 18:47:52 +01:00
..
6lowpan 6lowpan: iphc: reset mac_header after decompress to fix panic 2018-07-06 12:32:12 +02:00
9p 9p: Transport error uninitialized 2019-10-11 18:21:12 +02:00
802
8021q vlan: disable SIOCSHWTSTAMP in container 2019-05-16 19:41:30 +02:00
appletalk appletalk: enforce CAP_NET_RAW for raw sockets 2019-10-05 13:09:31 +02:00
atm net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
ax25 ax25: enforce CAP_NET_RAW for raw sockets 2019-10-05 13:09:32 +02:00
batman-adv batman-adv: Avoid free/alloc race when handling OGM buffer 2019-11-06 13:06:22 +01:00
bluetooth Bluetooth: L2CAP: Detect if remote is not able to use the whole MPS 2019-11-20 18:47:42 +01:00
bpf bpf/test_run: support cgroup local storage 2018-08-03 00:47:32 +02:00
bpfilter net: bpfilter: use get_pid_task instead of pid_task 2018-10-17 22:03:40 -07:00
bridge netfilter: ebtables: Fix argument order to ADD_COUNTER 2019-09-21 07:16:54 +02:00
caif net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
can can: gw: Fix error path of cgw_module_init 2019-08-29 08:28:30 +02:00
ceph libceph: fix PG split vs OSD (re)connect race 2019-08-29 08:28:50 +02:00
core rtnetlink: move type calculation out of loop 2019-11-20 18:45:58 +01:00
dcb net: dcb: Add priority-to-DSCP map getters 2018-07-27 13:17:50 -07:00
dccp inet: stop leaking jiffies on the wire 2019-11-10 11:27:37 +01:00
decnet net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
dns_resolver net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
dsa net: dsa: fix switch tree list 2019-11-10 11:27:53 +01:00
ethernet
hsr net/hsr: fix possible crash in add_timer() 2019-03-19 13:12:38 +01:00
ieee802154 ieee802154: enforce CAP_NET_RAW for raw sockets 2019-10-05 13:09:32 +02:00
ife
ipv4 netfilter: masquerade: don't flush all conntracks if only one address deleted on device 2019-11-20 18:47:52 +01:00
ipv6 netfilter: masquerade: don't flush all conntracks if only one address deleted on device 2019-11-20 18:47:52 +01:00
iucv Revert "net: simplify sock_poll_wait" 2018-11-04 14:50:51 +01:00
kcm kcm: switch order of device registration to fix a crash 2019-04-17 08:38:40 +02:00
key af_key: fix leaks in key_pol_get_resp and dump_sp. 2019-07-26 09:14:01 +02:00
l2tp compat_ioctl: pppoe: fix PPPOEIOCSFWD handling 2019-08-09 17:52:34 +02:00
l3mdev
lapb lapb: fixed leak of control-blocks. 2019-06-22 08:15:13 +02:00
llc llc: avoid blocking in llc_sap_close() 2019-11-20 18:46:35 +01:00
mac80211 mac80211: fix saving a few HE values 2019-11-20 18:45:56 +01:00
mac802154 net: mac802154: tx: expand tailroom if necessary 2018-08-06 11:21:37 +02:00
mpls mpls: Return error for RTA_GATEWAY attribute 2019-03-10 07:17:19 +01:00
ncsi net/ncsi: Fixup .dumpit message flags and ID check in Netlink handler 2018-08-22 21:39:08 -07:00
netfilter netfilter: nf_tables: avoid BUG_ON usage 2019-11-20 18:46:50 +01:00
netlabel netlabel: fix out-of-bounds memory accesses 2019-03-10 07:17:18 +01:00
netlink genetlink: Fix a memory leak on error path 2019-04-03 06:26:15 +02:00
netrom netrom: hold sock when setting skb->destructor 2019-07-28 08:29:27 +02:00
nfc nfc: netlink: fix double device reference drop 2019-11-12 19:20:30 +01:00
nsh nsh: set mac len based on inner packet 2018-07-12 16:55:29 -07:00
openvswitch net: openvswitch: free vport unless register_netdevice() succeeds 2019-11-12 19:20:59 +01:00
packet net/packet: fix race in tpacket_snd() 2019-08-25 10:48:04 +02:00
phonet net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
psample net: sched: act_sample: fix psample group handling on overwrite 2019-09-10 10:33:38 +01:00
qrtr net: qrtr: Stop rx_worker before freeing node 2019-10-05 13:09:27 +02:00
rds net/rds: Fix error handling in rds_ib_add_one() 2019-10-07 18:57:24 +02:00
rfkill Here are quite a large number of fixes, notably: 2018-09-03 22:12:02 -07:00
rose net/rose: fix unbound loop in rose_loopback_timer() 2019-05-02 09:59:00 +02:00
rxrpc rxrpc: Fix trace-after-put looking at the put peer record 2019-11-06 13:06:24 +01:00
sched net/flow_dissector: switch to siphash 2019-11-10 11:27:54 +01:00
sctp net: use skb_queue_empty_lockless() in busy poll contexts 2019-11-10 11:27:49 +01:00
smc net/smc: make sure EPOLLOUT is raised 2019-09-06 10:22:06 +02:00
strparser net: strparser: partially revert "strparser: Call skb_unclone conditionally" 2019-05-16 19:41:27 +02:00
sunrpc net :sunrpc :clnt :Fix xps refcount imbalance on the error path 2019-07-14 08:11:15 +02:00
switchdev
tipc net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
tls net: tls, fix sk_write_space NULL write when tx disabled 2019-09-06 10:22:04 +02:00
unix net: use skb_queue_empty_lockless() in poll() handlers 2019-11-10 11:27:48 +01:00
vmw_vsock vsock/virtio: fix sock refcnt holding during the shutdown 2019-11-12 19:21:22 +01:00
wimax wimax: remove blank lines at EOF 2018-07-24 14:10:42 -07:00
wireless cfg80211: validate wmm rule when setting 2019-11-20 18:45:57 +01:00
x25 net/x25: fix a race in x25_bind() 2019-03-19 13:12:40 +01:00
xdp xdp: unpin xdp umem pages in error path 2019-09-21 07:16:57 +02:00
xfrm ipsec: select crypto ciphers for xfrm_algo 2019-07-26 09:14:10 +02:00
compat.c sock: Make sock->sk_stamp thread-safe 2019-01-09 17:38:33 +01:00
Kconfig net: remove blank lines at end of file 2018-07-24 14:10:43 -07:00
Makefile
socket.c net: socket: set sock->sk to NULL after calling proto_ops::release() 2019-03-10 07:17:18 +01:00
sysctl_net.c