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linux/net/netfilter
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Taehee Yoo 11ae693f44 netfilter: nf_flow_table: fix netdev refcnt leak 
[ Upstream commit 26a302afbe ]

flow_offload_alloc() calls nf_route() to get a dst_entry. Internally,
nf_route() calls ip_route_output_key() that allocates a dst_entry and
holds it. So, a dst_entry should be released by dst_release() if
nf_route() is successful.

Otherwise, netns exit routine cannot be finished and the following
message is printed:

[  257.490952] unregister_netdevice: waiting for lo to become free. Usage count = 1

Fixes: ac2a66665e ("netfilter: add generic flow table infrastructure")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-06-15 11:52:59 +02:00
..
ipset
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-12-20 18:20:26 -08:00
ipvs
ipvs: do not schedule icmp errors from tunnels
2019-04-13 14:52:57 +02:00
core.c
jump_label: move 'asm goto' support test to Kconfig
2019-01-06 09:46:51 +09:00
Kconfig
netfilter: fix NETFILTER_XT_TARGET_TEE dependencies
2019-03-18 16:21:54 +01:00
Makefile
netfilter: nf_tables: merge ipv4 and ipv6 nat chain types
2019-03-01 14:36:59 +01:00
nf_conncount.c
netfilter: nf_conncount: fix argument order to find_next_bit
2018-12-29 02:45:22 +01:00
nf_conntrack_acct.c
netfilter: conntrack: remove empty pernet fini stubs
2018-12-21 00:51:54 +01:00
nf_conntrack_amanda.c
netfilter: nf_conntrack_amanda: add support for STATE streams
2019-02-27 10:46:39 +01:00
nf_conntrack_broadcast.c
netfilter: check if the socket netns is correct.
2018-06-28 22:21:32 +09:00
nf_conntrack_core.c
netfilter: never get/set skb->tstamp
2019-04-22 10:34:30 +02:00
nf_conntrack_ecache.c
netfilter: conntrack: remove empty pernet fini stubs
2018-12-21 00:51:54 +01:00
nf_conntrack_expect.c
netfilter: conntrack: remove nf_ct_l4proto_find_get
2019-01-18 15:02:34 +01:00
nf_conntrack_extend.c
netfilter: conntrack: include kmemleak.h for kmemleak_not_leak()
2018-04-17 10:59:43 +02:00
nf_conntrack_ftp.c
netfilter: add __exit mark to helper modules
2018-04-24 10:29:14 +02:00
nf_conntrack_h323_asn1.c
netfilter: nf_conntrack_h323: restore boundary check correctness
2019-06-15 11:52:58 +02:00
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: conntrack: remove empty pernet fini stubs
2018-12-21 00:51:54 +01:00
nf_conntrack_irc.c
netfilter: add __exit mark to helper modules
2018-04-24 10:29:14 +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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-03-30 11:41:18 -04:00
nf_conntrack_netlink.c
netfilter: ctnetlink: Resolve conntrack L3-protocol flush regression
2019-05-31 06:43:13 -07:00
nf_conntrack_pptp.c
netfilter: conntrack: avoid unneeded nf_conntrack_l4proto lookups
2019-01-18 15:02:34 +01:00
nf_conntrack_proto_dccp.c
netfilter: conntrack: remove l4proto init and get_net callbacks
2019-01-18 15:02:34 +01:00
nf_conntrack_proto_generic.c
netfilter: conntrack: remove l4proto init and get_net callbacks
2019-01-18 15:02:34 +01:00
nf_conntrack_proto_gre.c
netfilter: conntrack: remove l4proto destroy hook
2019-01-18 15:02:34 +01:00
nf_conntrack_proto_icmp.c
netfilter: conntrack: don't set related state for different outer address
2019-04-13 14:52:57 +02:00
nf_conntrack_proto_icmpv6.c
netfilter: conntrack: don't set related state for different outer address
2019-04-13 14:52:57 +02:00
nf_conntrack_proto_sctp.c
netfilter: conntrack: remove l4proto init and get_net callbacks
2019-01-18 15:02:34 +01:00
nf_conntrack_proto_tcp.c
netfilter: conntrack: tcp: only close if RST matches exact sequence
2019-03-01 14:19:31 +01:00
nf_conntrack_proto_udp.c
netfilter: conntrack: remove l4proto init and get_net callbacks
2019-01-18 15:02:34 +01:00
nf_conntrack_proto.c
netfilter: fix nf_l4proto_log_invalid to log invalid packets
2019-04-22 10:38:50 +02:00
nf_conntrack_sane.c
netfilter: add __exit mark to helper modules
2018-04-24 10:29:14 +02:00
nf_conntrack_seqadj.c
netfilter: seqadj: re-load tcp header pointer after possible head reallocation
2018-12-07 10:54:23 +01:00
nf_conntrack_sip.c
netfilter: nf_conntrack_sip: remove direct dependency on IPv6
2019-03-18 16:11:54 +01:00
nf_conntrack_snmp.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-03-30 11:41:18 -04:00
nf_conntrack_standalone.c
netfilter: conntrack: fix error path in nf_conntrack_pernet_init()
2019-01-28 11:32:55 +01:00
nf_conntrack_tftp.c
netfilter: add __exit mark to helper modules
2018-04-24 10:29:14 +02:00
nf_conntrack_timeout.c
netfilter: cttimeout: decouple timeout policy from nfnetlink_cttimeout object
2018-08-07 17:14:15 +02:00
nf_conntrack_timestamp.c
netfilter: conntrack: remove empty pernet fini stubs
2018-12-21 00:51:54 +01:00
nf_dup_netdev.c
netfilter: dup: resolve warnings about missing prototypes
2017-05-29 11:32:36 +02:00
nf_flow_table_core.c
netfilter: nf_flow_table: fix missing error check for rhashtable_insert_fast
2019-06-15 11:52:58 +02:00
nf_flow_table_inet.c
netfilter: nf_flow_table: move init code to nf_flow_table_core.c
2018-04-24 10:28:45 +02:00
nf_flow_table_ip.c
netfilter: nf_flow_table: check ttl value in flow offload data path
2019-06-15 11:52:59 +02:00
nf_internals.h
netfilter: core: export raw versions of add/delete hook functions
2018-05-23 09:14:05 +02:00
nf_log_common.c
netfilter: avoid using skb->nf_bridge directly
2018-12-19 11:21:37 -08:00
nf_log_netdev.c
net: Drop pernet_operations::async
2018-03-27 13:18:09 -04:00
nf_log.c
netfilter: nf_log: don't hold nf_log_mutex during user access
2018-06-26 16:48:40 +02:00
nf_nat_amanda.c
…
nf_nat_core.c
netfilter: nat: fix icmp id randomization
2019-04-15 07:31:50 +02:00
nf_nat_ftp.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
nf_nat_helper.c
netfilter: nat: remove nf_nat_l3proto.h and nf_nat_core.h
2019-02-27 10:54:08 +01:00
nf_nat_irc.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
nf_nat_masquerade.c
netfilter: nat: don't register device notifier twice
2019-03-08 16:41:09 +01:00
nf_nat_proto.c
netfilter: nat: remove nf_nat_l3proto.h and nf_nat_core.h
2019-02-27 10:54:08 +01:00
nf_nat_redirect.c
netfilter: nat: remove unnecessary rcu_read_lock in nf_nat_redirect_ipv{4/6}
2018-09-17 16:11:14 +02:00
nf_nat_sip.c
netfilter: nf_nat_sip: fix RTP/RTCP source port translations
2018-12-17 23:43:58 +01:00
nf_nat_tftp.c
…
nf_queue.c
netfilter: avoid using skb->nf_bridge directly
2018-12-19 11:21:37 -08:00
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
proc: introduce proc_create_net{,_data}
2018-05-16 07:24:30 +02:00
nf_tables_api.c
netfilter: nf_tables: fix base chain stat rcu_dereference usage
2019-06-15 11:52:58 +02:00
nf_tables_core.c
netfilter: nf_tables: check the result of dereferencing base_chain->stats
2019-03-01 14:34:24 +01:00
nf_tables_set_core.c
netfilter: nf_tables: place all set backends in one single module
2018-07-06 19:31:53 +02:00
nf_tables_trace.c
netfilter: nf_tables: Allow chain name of up to 255 chars
2017-07-31 20:41:57 +02:00
nfnetlink_acct.c
netfilter: fix memory leaks on netlink_dump_start error
2018-08-16 19:37:00 +02:00
nfnetlink_cthelper.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
nfnetlink_cttimeout.c
netfilter: conntrack: remove nf_ct_l4proto_find_get
2019-01-18 15:02:34 +01:00
nfnetlink_log.c
netfilter: never get/set skb->tstamp
2019-04-22 10:34:30 +02:00
nfnetlink_osf.c
netfilter: nfnetlink_osf: add missing fmatch check
2019-01-28 11:09:11 +01:00
nfnetlink_queue.c
netfilter: never get/set skb->tstamp
2019-04-22 10:34:30 +02:00
nfnetlink.c
netfilter: nf_tables: use dedicated mutex to guard transactions
2018-07-18 11:26:48 +02:00
nft_bitwise.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_byteorder.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_chain_filter.c
netfilter: nf_tables: don't prevent event handler from device cleanup on netns exit
2018-08-16 19:37:03 +02:00
nft_chain_nat.c
netfilter: nf_tables: merge ipv4 and ipv6 nat chain types
2019-03-01 14:36:59 +01:00
nft_cmp.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_compat.c
netfilter: nft_compat: use .release_ops and remove list of extension
2019-02-27 10:41:24 +01:00
nft_connlimit.c
netfilter: nf_conncount: merge lookup and add functions
2018-12-29 02:45:20 +01:00
nft_counter.c
netfilter: nft_counter: remove wrong __percpu of nft_counter_resest()'s arg
2019-01-28 11:32:43 +01:00
nft_ct.c
netfilter: conntrack: remove nf_ct_l4proto_find_get
2019-01-18 15:02:34 +01:00
nft_dup_netdev.c
netfilter: remove two unused variables.
2018-10-19 14:00:33 +02:00
nft_dynset.c
netfilter: nf_tables: bogus EBUSY when deleting set after flush
2019-03-11 13:19:24 +01:00
nft_exthdr.c
netfilter: nf_tables: merge exthdr expression into nft core
2018-04-27 00:00:56 +02:00
nft_fib_inet.c
…
nft_fib_netdev.c
netfilter: nf_tables: add fib expression to the netdev family
2017-07-31 19:01:40 +02:00
nft_fib.c
…
nft_flow_offload.c
netfilter: nf_flow_table: fix netdev refcnt leak
2019-06-15 11:52:59 +02:00
nft_fwd_netdev.c
netfilter: remove two unused variables.
2018-10-19 14:00:33 +02:00
nft_hash.c
Revert "netfilter: nft_hash: add map lookups for hashing operations"
2019-01-18 15:59:47 +01:00
nft_immediate.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2019-02-08 15:00:17 -08:00
nft_limit.c
netfilter: nft_limit: fix packet ratelimiting
2018-05-23 09:50:28 +02:00
nft_log.c
netfilter: nf_tables: add NFT_LOGLEVEL_* enumeration and use it
2018-06-07 16:14:00 -04:00
nft_lookup.c
netfilter: nf_tables: bogus EBUSY when deleting set after flush
2019-03-11 13:19:24 +01:00
nft_masq.c
netfilter: nf_tables: nat: merge nft_masq protocol specific modules
2019-03-01 14:36:59 +01:00
nft_meta.c
netfilter: nft_meta: Add NFT_META_I/OIFKIND meta type
2019-01-18 15:58:20 +01:00
nft_nat.c
netfilter: nat: remove nf_nat_l3proto.h and nf_nat_core.h
2019-02-27 10:54:08 +01:00
nft_numgen.c
Revert "netfilter: nft_numgen: add map lookups for numgen random operations"
2018-10-29 11:11:33 +01:00
nft_objref.c
netfilter: nf_tables: bogus EBUSY in helper removal from transaction
2019-03-18 16:22:49 +01:00
nft_osf.c
netfilter: nft_osf: check if attribute is present
2018-10-25 10:18:31 +02:00
nft_payload.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_queue.c
…
nft_quota.c
netfilter: nf_tables: prepare nft_object for lookups via hashtable
2019-01-18 15:02:32 +01:00
nft_range.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_redir.c
netfilter: nft_redir: fix module autoload with ip4
2019-03-18 16:22:49 +01:00
nft_reject_inet.c
…
nft_reject.c
netfilter: nf_tables: avoid BUG_ON usage
2018-09-17 16:11:12 +02:00
nft_rt.c
netfilter: nf_tables: add direct calls for all builtin expressions
2019-01-18 15:02:33 +01:00
nft_set_bitmap.c
netfilter: nft_set: fix allocation size overflow in privsize callback.
2018-08-16 19:36:59 +02:00
nft_set_hash.c
netfilter: nft_set_hash: remove nft_hash_key()
2019-02-27 11:08:32 +01:00
nft_set_rbtree.c
netfilter: nft_set_rbtree: check for inactive element after flag mismatch
2019-03-18 16:21:09 +01:00
nft_socket.c
netfilter: nft_socket: Expose socket mark
2018-07-18 11:26:52 +02:00
nft_tproxy.c
netfilter: nft_tproxy: Fix missing-braces warning
2018-08-16 19:37:10 +02:00
nft_tunnel.c
netfilter: nft_tunnel: Add dst_cache support
2019-03-01 14:25:06 +01:00
nft_xfrm.c
net: use skb_sec_path helper in more places
2018-12-19 11:21:37 -08:00
utils.c
netfilter: ipv6: avoid indirect calls for IPV6=y case
2019-02-04 18:21:12 +01:00
x_tables.c
netfilter: convert the proto argument from u8 to u16
2019-03-01 14:28:43 +01:00
xt_addrtype.c
netfilter: ipv6: avoid indirect calls for IPV6=y case
2019-02-04 18:21:12 +01:00
xt_AUDIT.c
audit: eliminate audit_enabled magic number comparison
2018-06-19 10:43:55 -04:00
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: xt_cgroup: shrink size of v2 path
2018-09-17 16:11:03 +02:00
xt_CHECKSUM.c
netfilter: xt_checksum: ignore gso skbs
2018-08-24 09:58:16 +02:00
xt_CLASSIFY.c
…
xt_cluster.c
netfilter: xt_cluster: add dependency on conntrack module
2018-08-23 20:26:53 +02:00
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: use PTR_ERR_OR_ZERO()
2018-07-30 14:07:09 +02:00
xt_connmark.c
netfilter: xt_connmark: fix list corruption on rmmod
2018-06-12 19:35:52 +02:00
xt_CONNSECMARK.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_CT.c
netfilter: conntrack: remove nf_ct_l4proto_find_get
2019-01-18 15:02:34 +01:00
xt_dccp.c
…
xt_devgroup.c
…
xt_dscp.c
netfilter: x_tables: remove pr_info where possible
2018-02-14 21:05:33 +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
mm: convert totalram_pages and totalhigh_pages variables to atomic
2018-12-28 12:11:47 -08:00
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_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: xt_IDLETIMER: fix sysfs callback function type
2019-03-01 14:36:57 +01:00
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_LED.c
netfilter: x_tables: fix missing timer initialization in xt_LED
2018-02-14 21:05:39 +01:00
xt_length.c
…
xt_limit.c
netfilter: xt_limit: Spelling s/maxmum/maximum/
2018-03-05 23:15:50 +01:00
xt_LOG.c
…
xt_mac.c
…
xt_mark.c
…
xt_multiport.c
…
xt_nat.c
netfilter: nat: remove nf_nat_l3proto.h and nf_nat_core.h
2019-02-27 10:54:08 +01:00
xt_NETMAP.c
netfilter: add NAT support for shifted portmap ranges
2018-04-24 10:29:12 +02:00
xt_nfacct.c
netfilter: nfnetlink_acct: remove useless parameter
2018-03-05 23:15:43 +01:00
xt_NFLOG.c
netfilter: xt_NFLOG: use nf_log_packet instead of nfulnl_log_packet.
2018-04-19 13:02:44 +02:00
xt_NFQUEUE.c
netfilter: xt_NFQUEUE: use pr ratelimiting
2018-02-14 21:05:35 +01:00
xt_osf.c
netfilter: xt_osf: simplify xt_osf_match_packet()
2018-10-16 10:01:50 +02:00
xt_owner.c
netfilter: check if the socket netns is correct.
2018-06-28 22:21:32 +09:00
xt_physdev.c
netfilter: physdev: relax br_netfilter dependency
2019-01-18 15:02:33 +01:00
xt_pkttype.c
…
xt_policy.c
net: use skb_sec_path helper in more places
2018-12-19 11:21:37 -08:00
xt_quota.c
Revert "netfilter: xt_quota: fix the behavior of xt_quota module"
2018-10-19 14:00:34 +02:00
xt_rateest.c
netfilter: make xt_rateest hash table per net
2018-03-05 23:15:44 +01:00
xt_RATEEST.c
netfilter: xt_RATEEST: remove netns exit routine
2018-11-13 09:57:29 +01:00
xt_realm.c
…
xt_recent.c
netfilter: xt_recent: Use struct_size() in kvzalloc()
2019-02-12 00:39:39 +01:00
xt_REDIRECT.c
netfilter: add NAT support for shifted portmap ranges
2018-04-24 10:29:12 +02:00
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_SECMARK.c
netfilter: xtables: avoid BUG_ON
2018-09-17 16:11:12 +02:00
xt_set.c
netfilter: ipset: Limit max timeout value
2018-06-06 14:00:54 +02:00
xt_socket.c
netfilter: xt_socket: check sk before checking for netns.
2018-09-28 14:47:41 +02:00
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
netfilter: ebtables: Add string filter
2018-03-30 11:04:12 +02:00
xt_tcpmss.c
…
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_tcpudp.c
…
xt_TEE.c
netfilter: xt_TEE: add missing code to get interface index in checkentry.
2018-10-11 11:29:14 +02:00
xt_time.c
netfilter: never get/set skb->tstamp
2019-04-22 10:34:30 +02:00
xt_TPROXY.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2018-07-20 22:28:28 -07:00
xt_TRACE.c
…
xt_u32.c
…