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Hangyu Hua 43b9a9c78e netfilter: ctnetlink: fix possible refcount leak in ctnetlink_create_conntrack() 
[ Upstream commit ac4893980bbe79ce383daf9a0885666a30fe4c83 ]

nf_ct_put() needs to be called to put the refcount got by
nf_conntrack_find_get() to avoid refcount leak when
nf_conntrack_hash_check_insert() fails.

Fixes: 7d367e06688d ("netfilter: ctnetlink: fix soft lockup when netlink adds new entries (v2)")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-11 16:31:58 +01:00
..
ipset
netfilter: ipset: Fix overflow before widen in the bitmap_ip_create() function.
2023-01-18 11:30:54 +01:00
ipvs
ipvs: fix WARNING in ip_vs_app_net_cleanup()
2022-11-10 17:46:52 +01:00
core.c
netfilter: fix use-after-free in __nf_register_net_hook()
2022-03-08 19:04:07 +01:00
Kconfig
netfilter: conntrack: NF_CONNTRACK_PROCFS should no longer default to y
2022-09-05 10:26:34 +02:00
Makefile
netfilter: nf_tables: add tunnel support
2018-08-03 21:12:12 +02:00
nf_conncount.c
netfilter: nf_conncount: fix argument order to find_next_bit
2019-01-22 21:40:29 +01:00
nf_conntrack_acct.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
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: check if the socket netns is correct.
2018-06-28 22:21:32 +09:00
nf_conntrack_core.c
netfilter: conntrack: collect all entries in one cycle
2021-09-03 09:58:00 +02:00
nf_conntrack_ecache.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
nf_conntrack_expect.c
netfilter: use kvmalloc_array to allocate memory for hashtable
2018-08-03 18:37:55 +02:00
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: nf_conntrack_ftp: Fix debug output
2019-09-21 07:17:01 +02:00
nf_conntrack_h323_asn1.c
netfilter: nf_conntrack_h323: restore boundary check correctness
2019-06-15 11:54:05 +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: use kvmalloc_array to allocate memory for hashtable
2018-08-03 18:37:55 +02:00
nf_conntrack_irc.c
netfilter: nf_conntrack_irc: Tighten matching on DCC message
2022-09-28 11:02:55 +02:00
nf_conntrack_labels.c
…
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: fix possible refcount leak in ctnetlink_create_conntrack()
2023-03-11 16:31:58 +01:00
nf_conntrack_pptp.c
netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
2020-06-03 08:19:49 +02:00
nf_conntrack_proto_dccp.c
netfilter: conntrack: dccp, sctp: handle null timeout argument
2020-01-14 20:07:08 +01:00
nf_conntrack_proto_generic.c
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
2018-09-11 01:30:25 +02:00
nf_conntrack_proto_gre.c
netfilter: nfnetlink_cttimeout: fetch timeouts for udplite and gre, too
2019-04-17 08:38:46 +02:00
nf_conntrack_proto_icmp.c
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
2018-09-11 01:30:25 +02:00
nf_conntrack_proto_icmpv6.c
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
2018-09-11 01:30:25 +02:00
nf_conntrack_proto_sctp.c
netfilter: conntrack: fix vtag checks for ABORT/SHUTDOWN_COMPLETE
2023-02-06 07:49:43 +01:00
nf_conntrack_proto_tcp.c
netfilter: conntrack: do not renew entry stuck in tcp SYN_SENT state
2023-02-06 07:49:40 +01:00
nf_conntrack_proto_udp.c
netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT
2018-09-11 01:30:25 +02:00
nf_conntrack_proto.c
netfilter: fix nf_l4proto_log_invalid to log invalid packets
2019-05-16 19:41:24 +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
2019-01-13 09:50:57 +01:00
nf_conntrack_sip.c
netfilter: nf_conntrack_sip: fix ct_sip_walk_headers
2022-09-28 11:02:55 +02:00
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: Make global sysctls readonly in non-init netns
2021-05-22 10:59:47 +02:00
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: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
nf_dup_netdev.c
netfilter: nf_fwd_netdev: clear timestamp in forwarding path
2020-10-30 10:38:24 +01:00
nf_flow_table_core.c
netfilter: flowtable: fix tcp and udp header checksum update
2021-02-23 15:00:57 +01:00
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: flowtable: reload ip{v6}h in nf_flow_tuple_ip{v6}
2020-04-02 15:28:19 +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: nf_log: missing vlan offload tag and proto
2020-10-29 09:55:15 +01:00
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: nf_nat: Fix memleak in nf_nat_init
2021-01-19 18:22:38 +01:00
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: add NAT support for shifted portmap ranges
2018-04-24 10:29:12 +02:00
nf_nat_irc.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
nf_nat_proto_common.c
netfilter: nat: limit port clash resolution attempts
2022-02-08 18:23:11 +01:00
nf_nat_proto_dccp.c
netfilter: nat: remove l4 protocol port rovers
2022-02-08 18:23:11 +01:00
nf_nat_proto_sctp.c
netfilter: nat: remove l4 protocol port rovers
2022-02-08 18:23:11 +01:00
nf_nat_proto_tcp.c
netfilter: nat: remove l4 protocol port rovers
2022-02-08 18:23:11 +01:00
nf_nat_proto_udp.c
netfilter: nat: remove l4 protocol port rovers
2022-02-08 18:23:11 +01:00
nf_nat_proto_unknown.c
netfilter: add NAT support for shifted portmap ranges
2018-04-24 10:29:12 +02:00
nf_nat_redirect.c
netfilter: nat: merge nf_nat_redirect into nf_nat
2018-05-29 00:25:40 +02:00
nf_nat_sip.c
netfilter: nf_nat_sip: fix RTP/RTCP source port translations
2019-12-05 09:20:31 +01:00
nf_nat_tftp.c
…
nf_queue.c
netfilter: nf_queue: fix possible use-after-free
2022-03-08 19:04:07 +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: synproxy: Fix out of bounds when parsing TCP options
2021-06-30 08:48:17 -04:00
nf_tables_api.c
netfilter: nf_tables: really skip inactive sets when allocating name
2022-08-25 11:15:41 +02:00
nf_tables_core.c
netfilter: nf_tables: initialize registers in nft_do_chain()
2022-03-28 08:41:44 +02:00
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
netfilter: nfnetlink_cthelper: hit EBUSY on updates if size mismatches
2021-06-10 13:24:05 +02:00
nfnetlink_cttimeout.c
netfilter: nfnetlink_cttimeout: fetch timeouts for udplite and gre, too
2019-04-17 08:38:46 +02:00
nfnetlink_log.c
netfilter: fix regression in looped (broad|multi)cast's MAC handling
2021-12-29 12:20:44 +01:00
nfnetlink_osf.c
netfilter: nfnetlink_osf: Fix a missing skb_header_pointer() NULL check
2021-05-22 10:59:44 +02:00
nfnetlink_queue.c
netfilter: nf_queue: do not allow packet truncation below transport header offset
2022-08-11 12:48:40 +02:00
nfnetlink.c
netfilter: nfnetlink: nfnetlink_unicast() reports EAGAIN instead of ENOBUFS
2020-09-09 19:04:26 +02:00
nft_bitwise.c
netfilter: nf_tables: validate NFT_DATA_VALUE after nft_data_init()
2020-01-12 12:17:09 +01:00
nft_byteorder.c
…
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_cmp.c
netfilter: nf_tables: validate NFT_DATA_VALUE after nft_data_init()
2020-01-12 12:17:09 +01:00
nft_compat.c
netfilter: nft_compat: do not dump private area
2019-11-24 08:21:03 +01:00
nft_connlimit.c
netfilter: nft_connlimit: disable bh on garbage collection
2019-10-29 09:19:34 +01:00
nft_counter.c
netfilter: nf_tables: add destroy_clone expression
2018-06-03 00:02:11 +02:00
nft_ct.c
netfilter: nf_tables: rework ct timeout set support
2018-08-29 13:04:38 +02:00
nft_dup_netdev.c
…
nft_dynset.c
netfilter: nf_tables: disallow non-stateful expression in sets earlier
2022-06-14 16:59:27 +02:00
nft_exthdr.c
netfilter: nft_exthdr: fix endianness of tcp option cast
2021-08-26 08:36:49 -04:00
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: nft_flow_offload: add entry to flowtable after confirmation
2020-01-27 14:50:43 +01:00
nft_fwd_netdev.c
netfilter: nf_fwd_netdev: clear timestamp in forwarding path
2020-10-30 10:38:24 +01:00
nft_hash.c
netfilter: nft_hash: fix symhash with modulus one
2019-08-16 10:12:44 +02:00
nft_immediate.c
netfilter: nf_tables: unbind set in rule from commit path
2019-05-02 09:58:50 +02:00
nft_limit.c
netfilter: nft_limit: avoid possible divide error in nft_limit_init
2021-04-28 13:16:50 +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: allow lookups in dynamic sets
2019-10-11 18:21:16 +02:00
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: handle meta/lookup with direct call
2018-07-30 11:52:02 +02:00
nft_nat.c
netfilter: nft_nat: allow to specify layer 4 protocol NAT only
2021-08-04 12:23:46 +02:00
nft_numgen.c
Revert "netfilter: nft_numgen: add map lookups for numgen random operations"
2018-11-27 16:13:02 +01:00
nft_objref.c
netfilter: nf_tables: bogus EBUSY in helper removal from transaction
2019-05-02 09:58:51 +02:00
nft_osf.c
netfilter: nft_osf: restrict osf to ipv4, ipv6 and inet families
2022-09-05 10:26:30 +02:00
nft_payload.c
netfilter: nft_payload: do not truncate csum_offset and csum_type
2022-09-05 10:26:30 +02:00
nft_queue.c
…
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: validate NFT_DATA_VALUE after nft_data_init()
2020-01-12 12:17:09 +01:00
nft_redir.c
netfilter: nf_tables: add single table list for all families
2018-01-10 15:32:08 +01:00
nft_reject_inet.c
…
nft_reject.c
netfilter: nf_tables: avoid BUG_ON usage
2019-11-20 18:46:50 +01:00
nft_rt.c
netfilter: nf_tables: merge rt expression into nft core
2018-04-27 00:00:55 +02:00
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_dynset: restore set element counter when failing to update
2022-07-07 17:35:10 +02:00
nft_set_rbtree.c
netfilter: nft_set_rbtree: skip elements in transaction from garbage collection
2023-02-06 07:49:42 +01:00
nft_socket.c
netfilter: nft_socket: only do sk lookups when indev is available
2022-05-12 12:20:23 +02:00
nft_tproxy.c
netfilter: nft_tproxy: restrict to prerouting hook
2023-02-22 12:47:19 +01:00
nft_tunnel.c
netfilter: nft_tunnel: restrict it to netdev family
2022-09-05 10:26:30 +02:00
utils.c
netfilter: utils: move nf_ip6_checksum* from ipv6 to utils
2018-07-16 17:51:48 +02:00
x_tables.c
netfilter: x_tables: fix compat match/target pad out-of-bound write
2021-04-16 11:49:31 +02:00
xt_addrtype.c
netfilter: x_tables: use pr ratelimiting in matches/targets
2018-02-14 21:05:37 +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
2019-04-20 09:16:00 +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: cttimeout: decouple timeout policy from nfnetlink_cttimeout object
2018-08-07 17:14:15 +02:00
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
netfilter: xt_hashlimit: limit the max size of hashtable
2020-02-28 16:39:00 +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_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: add sysfs filename checking routine
2018-11-27 16:13:03 +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: xt_nat: fix DNAT target for shifted portmap ranges
2018-11-13 11:08:20 -08:00
xt_NETMAP.c
netfilter: add NAT support for shifted portmap ranges
2018-04-24 10:29:12 +02:00
xt_nfacct.c
netfilter: xt_nfacct: Fix alignment mismatch in xt_nfacct_match_info
2019-09-21 07:16:55 +02:00
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: nfnetlink_osf: extract nfnetlink_subsystem code from xt_osf.c
2018-07-30 14:07:11 +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: xt_physdev: Fix spurious error message in physdev_mt_check
2019-09-21 07:17:01 +02:00
xt_pkttype.c
…
xt_policy.c
netfilter: x_tables: use pr ratelimiting in matches/targets
2018-02-14 21:05:37 +01:00
xt_quota.c
…
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: reject non-null terminated string from userspace
2021-01-12 20:10:24 +01:00
xt_realm.c
…
xt_recent.c
netfilter: xt_recent: Fix attempt to update deleted entry
2021-02-23 15:00:57 +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: xt_SECMARK: add new revision to fix structure layout
2021-05-22 10:59:43 +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.
2019-03-13 14:02:40 -07:00
xt_time.c
netfilter: Replace printk() with pr_*() and define pr_fmt()
2018-03-20 13:44:14 +01:00
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
…