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Julian Anastasov 8a949fff03 ipvs: remove IPS_NAT_MASK check to fix passive FTP 
The IPS_NAT_MASK check in 4.12 replaced previous check for nfct_nat()
which was needed to fix a crash in 2.6.36-rc, see
commit 7bcbf81a22 ("ipvs: avoid oops for passive FTP").
But as IPVS does not set the IPS_SRC_NAT and IPS_DST_NAT bits,
checking for IPS_NAT_MASK prevents PASV response to be properly
mangled and blocks the transfer. Remove the check as it is not
needed after 3.12 commit 41d73ec053 ("netfilter: nf_conntrack:
make sequence number adjustments usuable without NAT") which
changes nfct_nat() with nfct_seqadj() and especially after 3.13
commit b25adce160 ("ipvs: correct usage/allocation of seqadj
ext in ipvs").

Thanks to Li Shuang and Florian Westphal for reporting the problem!

Reported-by: Li Shuang <shuali@redhat.com>
Fixes: be7be6e161 ("netfilter: ipvs: fix incorrect conflict resolution")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
 		2018-02-28 19:48:26 +01:00
..
ipset Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2018-02-01 14:41:46 -05:00
ipvs ipvs: remove IPS_NAT_MASK check to fix passive FTP 2018-02-28 19:48:26 +01:00
Kconfig netfilter: flowtable infrastructure depends on NETFILTER_INGRESS 2018-02-02 13:21:48 +01:00
Makefile netfilter: nf_tables: flow offload expression 2018-01-08 18:11:10 +01:00
core.c netfilter: core: return EBUSY in case NAT hook is already in use 2018-01-10 15:32:16 +01:00
nf_conncount.c netfilter: return booleans instead of integers 2018-01-19 14:02:18 +01:00
nf_conntrack_acct.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_amanda.c netfilter: use nf_conntrack_helpers_register when possible 2017-06-19 19:13:21 +02:00
nf_conntrack_broadcast.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2018-01-31 14:31:10 -08:00
nf_conntrack_ecache.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_expect.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nf_conntrack_extend.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_conntrack_ftp.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_h323_asn1.c netfilter: nf_conntrack_h323: Remove unwanted comments. 2018-01-08 18:01:05 +01:00
nf_conntrack_h323_main.c netfilter: move route indirection to struct nf_ipv6_ops 2018-01-08 18:01:26 +01:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: expect: add and use nf_ct_expect_iterate helpers 2017-07-31 19:09:38 +02:00
nf_conntrack_irc.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_l3proto_generic.c netfilter: conntrack: place print_tuple in procfs part 2017-08-24 18:52:32 +02:00
nf_conntrack_labels.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_netbios_ns.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_netlink.c netfilter: remove messages print and boot/module load time 2018-01-19 18:39:49 +01:00
nf_conntrack_pptp.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_proto.c netfilter: conntrack: constify list of builtin trackers 2018-01-08 16:47:14 +01:00
nf_conntrack_proto_dccp.c netfilter: conntrack: l4 protocol trackers can be const 2018-01-08 18:00:54 +01:00
nf_conntrack_proto_generic.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_proto_gre.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_proto_sctp.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_proto_tcp.c netfilter: nf_conntrack: add IPS_OFFLOAD status bit 2018-01-08 18:11:05 +01:00
nf_conntrack_proto_udp.c netfilter: conntrack: timeouts can be const 2018-01-08 18:01:02 +01:00
nf_conntrack_sane.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_seqadj.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_sip.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nf_conntrack_tftp.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_timeout.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_timestamp.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_dup_netdev.c netfilter: dup: resolve warnings about missing prototypes 2017-05-29 11:32:36 +02:00
nf_flow_table.c netfilter: nf_flow_offload: fix use-after-free and a resource leak 2018-02-07 11:55:52 +01:00
nf_flow_table_inet.c netfilter: nf_tables: fix flowtable free 2018-02-07 00:58:57 +01:00
nf_internals.h netfilter: core: remove synchronize_net call if nfqueue is used 2018-01-08 18:01:06 +01:00
nf_log.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nf_log_common.c netfilter: nf_log: do not assume ethernet header in netdev family 2016-12-04 20:45:33 +01:00
nf_log_netdev.c netfilter: nf_log: do not assume ethernet header in netdev family 2016-12-04 20:45:33 +01:00
nf_nat_amanda.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_core.c netfilter: nat: use test_and_clear_bit when deleting ct from bysource list 2017-10-24 17:54:47 +02:00
nf_nat_ftp.c treewide: Fix function prototypes for module_param_call() 2017-10-31 15:30:37 +01:00
nf_nat_helper.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_irc.c treewide: Fix function prototypes for module_param_call() 2017-10-31 15:30:37 +01:00
nf_nat_proto_common.c netfilter: nat: cope with negative port range 2018-02-14 21:05:40 +01:00
nf_nat_proto_dccp.c netfilter: built-in NAT support for DCCP 2016-12-04 20:45:30 +01:00
nf_nat_proto_sctp.c sctp: remove the typedef sctp_sctphdr_t 2017-07-01 09:08:41 -07:00
nf_nat_proto_tcp.c
…
nf_nat_proto_udp.c netfilter: nat: merge udp and udplite helpers 2017-01-03 14:33:25 +01:00
nf_nat_proto_unknown.c
…
nf_nat_redirect.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_nat_sip.c
…
nf_nat_tftp.c
…
nf_queue.c netfilter: remove duplicated include 2018-01-10 15:32:15 +01:00
nf_sockopt.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nf_synproxy_core.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nf_tables_api.c netfilter: nf_tables: use the right index from flowtable error path 2018-02-27 19:08:17 +01:00
nf_tables_core.c netfilter: constify nf_loginfo structures 2017-08-02 14:25:59 +02:00
nf_tables_inet.c netfilter: nf_tables: get rid of struct nft_af_info abstraction 2018-01-10 15:32:11 +01:00
nf_tables_netdev.c netfilter: nf_tables: get rid of struct nft_af_info abstraction 2018-01-10 15:32:11 +01:00
nf_tables_trace.c netfilter: nf_tables: Allow chain name of up to 255 chars 2017-07-31 20:41:57 +02:00
nfnetlink.c netfilter: remove messages print and boot/module load time 2018-01-19 18:39:49 +01:00
nfnetlink_acct.c netfilter: remove messages print and boot/module load time 2018-01-19 18:39:49 +01:00
nfnetlink_cthelper.c netfilter: nfnetlink_cthelper: Add missing permission checks 2017-12-04 11:30:09 +01:00
nfnetlink_cttimeout.c netfilter: remove messages print and boot/module load time 2018-01-19 18:39:49 +01:00
nfnetlink_log.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nfnetlink_queue.c netfilter: delete /proc THIS_MODULE references 2018-01-19 14:10:53 +01:00
nft_bitwise.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_byteorder.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_cmp.c netfilter: mark expected switch fall-throughs 2018-01-08 18:01:01 +01:00
nft_compat.c netfilter: remove messages print and boot/module load time 2018-01-19 18:39:49 +01:00
nft_counter.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_ct.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_dup_netdev.c netfilter: nf_tables: add packet duplication to the netdev family 2016-01-03 21:04:23 +01:00
nft_dynset.c netfilter: nf_tables: Fix trailing semicolon 2018-01-19 14:10:04 +01:00
nft_exthdr.c netfilter: exthdr: add missign attributes to policy 2017-12-11 13:46:04 +01:00
nft_fib.c netfilter: nft_fib: Support existence check 2017-03-13 13:45:36 +01:00
nft_fib_inet.c netfilter: nf_tables: use hook state from xt_action_param structure 2016-11-03 11:52:34 +01:00
nft_fib_netdev.c netfilter: nf_tables: add fib expression to the netdev family 2017-07-31 19:01:40 +02:00
nft_flow_offload.c netfilter: nft_flow_offload: move flowtable cleanup routines to nf_flow_table 2018-02-07 00:58:57 +01:00
nft_fwd_netdev.c netfilter: add and use nf_fwd_netdev_egress 2016-12-06 21:48:22 +01:00
nft_hash.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-05-01 10:47:53 -04:00
nft_immediate.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_limit.c netfilter: nft_limit: add stateful object type 2017-09-04 13:25:16 +02:00
nft_log.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_lookup.c netfilter: nf_tables: add nft_set_lookup() 2017-03-06 18:23:23 +01:00
nft_masq.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_meta.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_nat.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_numgen.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_objref.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_payload.c netfilter: fix a few (harmless) sparse warnings 2017-08-28 17:42:56 +02:00
nft_queue.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_quota.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_range.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_redir.c netfilter: nf_tables: add single table list for all families 2018-01-10 15:32:08 +01:00
nft_reject.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_reject_inet.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_rt.c netfilter: move route indirection to struct nf_ipv6_ops 2018-01-08 18:01:26 +01:00
nft_set_bitmap.c netfilter: nf_tables: get set elements via netlink 2017-11-07 01:00:31 +01:00
nft_set_hash.c rhashtable: Change rhashtable_walk_start to return void 2017-12-11 09:58:38 -05:00
nft_set_rbtree.c netfilter: nf_tables: get set elements via netlink 2017-11-07 01:00:31 +01:00
utils.c netfilter: move reroute indirection to struct nf_ipv6_ops 2018-01-08 18:10:53 +01:00
x_tables.c netfilter: x_tables: use pr ratelimiting in xt core 2018-02-14 21:05:33 +01:00
xt_AUDIT.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CHECKSUM.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CLASSIFY.c
…
xt_CONNSECMARK.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_CT.c netfilter: xt_CT: use pr ratelimiting 2018-02-14 21:05:34 +01:00
xt_DSCP.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_HL.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_HMARK.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_IDLETIMER.c netfilter: IDLETIMER: be syzkaller friendly 2018-02-19 18:28:59 +01:00
xt_LED.c netfilter: x_tables: fix missing timer initialization in xt_LED 2018-02-14 21:05:39 +01:00
xt_LOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NETMAP.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
xt_NFLOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NFQUEUE.c netfilter: xt_NFQUEUE: use pr ratelimiting 2018-02-14 21:05:35 +01:00
xt_RATEEST.c netfilter: xt_RATEEST: acquire xt_rateest_mutex for hash insert 2018-02-07 00:58:57 +01:00
xt_REDIRECT.c netfilter: nat: add dependencies on conntrack module 2016-12-04 21:16:51 +01:00
xt_SECMARK.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_TCPMSS.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_TCPOPTSTRIP.c
…
xt_TEE.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_TPROXY.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_TRACE.c netfilter: xt_TRACE: add explicitly nf_logger_find_get call 2016-06-23 13:26:49 +02:00
xt_addrtype.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_bpf.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_cgroup.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_cluster.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_comment.c
…
xt_connbytes.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_connlabel.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_connlimit.c netfilter: connlimit: split xt_connlimit into front and backend 2018-01-08 18:01:22 +01:00
xt_connmark.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_conntrack.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_cpu.c
…
xt_dccp.c
…
xt_devgroup.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_dscp.c netfilter: x_tables: remove pr_info where possible 2018-02-14 21:05:33 +01:00
xt_ecn.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_esp.c
…
xt_hashlimit.c netfilter: xt_hashlimit: fix lock imbalance 2018-02-16 15:00:55 +01:00
xt_helper.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_hl.c
…
xt_ipcomp.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_iprange.c
…
xt_ipvs.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_l2tp.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_length.c
…
xt_limit.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_mac.c
…
xt_mark.c
…
xt_multiport.c netfilter: xt_multiport: Fix wrong unmatch result with multiple ports 2016-12-06 21:48:20 +01:00
xt_nat.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_nfacct.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_osf.c netfilter: xt_osf: Add missing permission checks 2017-12-06 09:01:18 +01:00
xt_owner.c sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h> 2017-03-02 08:42:31 +01:00
xt_physdev.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_pkttype.c netfilter: pkttype: unnecessary to check ipv6 multicast address 2017-01-18 20:32:43 +01:00
xt_policy.c netfilter: x_tables: use pr ratelimiting in matches/targets 2018-02-14 21:05:37 +01:00
xt_quota.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_rateest.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_realm.c
…
xt_recent.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_repldata.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xt_sctp.c sctp: remove the typedef sctp_chunkhdr_t 2017-07-01 09:08:41 -07:00
xt_set.c netfilter: xt_set: use pr ratelimiting 2018-02-14 21:05:35 +01:00
xt_socket.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_state.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_statistic.c netfilter: x_tables: fix pointer leaks to userspace 2018-01-31 14:59:24 +01:00
xt_string.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_tcpmss.c
…
xt_tcpudp.c netfilter: Convert FWINV<[foo]> macros and uses to NF_INVF 2016-07-03 10:55:07 +02:00
xt_time.c netfilter: x_tables: use pr ratelimiting in all remaining spots 2018-02-14 21:05:38 +01:00
xt_u32.c
…