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Phil Sutter f123293db1 netfilter: nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests 
[ Upstream commit bd662c4218f9648e888bebde9468146965f3f8a0 ]

Objects' dump callbacks are not concurrency-safe per-se with reset bit
set. If two CPUs perform a reset at the same time, at least counter and
quota objects suffer from value underrun.

Prevent this by introducing dedicated locking callbacks for nfnetlink
and the asynchronous dump handling to serialize access.

Fixes: 43da04a593 ("netfilter: nf_tables: atomic dump and reset for stateful objects")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-08-29 17:33:20 +02:00
..
ipset netfilter: ipset: Fix suspicious rcu_dereference_protected() 2024-06-27 13:49:08 +02:00
ipvs ipvs: properly dereference pe in ip_vs_add_service 2024-08-03 08:54:04 +02:00
Kconfig bpf: add bpf_link support for BPF_NETFILTER programs 2023-04-21 11:34:14 -07:00
Makefile bpf: add bpf_link support for BPF_NETFILTER programs 2023-04-21 11:34:14 -07:00
core.c netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core 2024-06-27 13:49:08 +02:00
nf_bpf_link.c netfilter: bpf: fix bad registration on nf_defrag 2023-12-13 18:45:09 +01:00
nf_conncount.c netfilter: nf_conncount: reduce unnecessary GC 2022-05-16 13:05:40 +02:00
nf_conntrack_acct.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_amanda.c
…
nf_conntrack_bpf.c netfilter, bpf: Adjust timeouts of non-confirmed CTs in bpf_ct_insert_entry() 2023-09-15 10:17:55 -07:00
nf_conntrack_broadcast.c netfilter: nf_conntrack: use rcu accessors where needed 2022-07-11 16:25:15 +02:00
nf_conntrack_core.c netfilter: bridge: confirm multicast packets before passing them up the stack 2024-03-06 14:48:36 +00:00
nf_conntrack_ecache.c netfilter: ctnetlink: make event listener tracking global 2023-02-22 00:28:47 +01:00
nf_conntrack_expect.c netfilter: allow exp not to be removed in nf_ct_find_expectation 2023-07-20 10:06:36 +02:00
nf_conntrack_extend.c netfilter: conntrack: fix extension size table 2023-09-13 21:57:50 +02:00
nf_conntrack_ftp.c netfilter: nf_ct_ftp: fix deadlock when nat rewrite is needed 2022-09-20 23:50:03 +02:00
nf_conntrack_h323_asn1.c netfilter: nf_conntrack_h323: Add protection for bmp length out of range 2024-03-15 10:48:19 -04:00
nf_conntrack_h323_main.c netfilter: nf_ct_h323: cap packet size at 64k 2022-08-11 16:50:49 +02:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: conntrack: Avoid nf_ct_helper_hash uses after free 2023-07-05 14:42:15 +02:00
nf_conntrack_irc.c netfilter: nf_conntrack_irc: Tighten matching on DCC message 2022-09-07 15:55:23 +02:00
nf_conntrack_labels.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_netbios_ns.c netfilter: nf_conntrack_netbios_ns: fix helper module alias 2022-01-11 10:41:44 +01:00
nf_conntrack_netlink.c netfilter: ctnetlink: use helper function to calculate expect ID 2024-08-03 08:54:04 +02:00
nf_conntrack_ovs.c netfilter: use nf_ip6_check_hbh_len in nf_ct_skb_network_trim 2023-03-08 14:25:41 +01:00
nf_conntrack_pptp.c netfilter: nf_conntrack: add missing __rcu annotations 2022-07-11 16:25:15 +02:00
nf_conntrack_proto.c netfilter: conntrack: remove pr_debug calls 2023-01-18 13:05:24 +01:00
nf_conntrack_proto_dccp.c nf_conntrack: fix -Wunused-const-variable= 2023-07-27 13:45:51 +02:00
nf_conntrack_proto_generic.c
…
nf_conntrack_proto_gre.c netfilter: conntrack: gre: don't set assured flag for clash entries 2023-07-05 14:42:15 +02:00
nf_conntrack_proto_icmp.c netfilter: conntrack: pass hook state to log functions 2021-06-18 14:47:43 +02:00
nf_conntrack_proto_icmpv6.c netfilter: conntrack: set icmpv6 redirects as RELATED 2022-11-30 23:01:20 +01:00
nf_conntrack_proto_sctp.c netfilter: conntrack: check SCTP_CID_SHUTDOWN_ACK for vtag setting in sctp_new 2024-03-01 13:34:51 +01:00
nf_conntrack_proto_tcp.c netfilter: conntrack: correct window scaling with retransmitted SYN 2024-02-05 20:14:36 +00:00
nf_conntrack_proto_udp.c netfilter: conntrack: udp: fix seen-reply test 2023-02-01 12:18:51 +01:00
nf_conntrack_sane.c netfilter: nf_ct_sane: remove pseudo skb linearization 2022-08-11 16:50:25 +02:00
nf_conntrack_seqadj.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_conntrack_sip.c netfilter: nf_conntrack_sip: fix the ct_sip_parse_numerical_param() return value. 2023-06-26 17:18:48 +02:00
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core 2024-06-27 13:49:08 +02:00
nf_conntrack_tftp.c
…
nf_conntrack_timeout.c netfilter: nf_conntrack: use rcu accessors where needed 2022-07-11 16:25:15 +02:00
nf_conntrack_timestamp.c netfilter: conntrack: remove extension register api 2022-02-04 06:30:28 +01:00
nf_dup_netdev.c netfilter: nf_dup_netdev: add and use recursion counter 2022-06-21 10:50:41 +02:00
nf_flow_table_core.c netfilter: nft_flow_offload: release dst in case direct xmit path is used 2024-03-01 13:35:09 +01:00
nf_flow_table_inet.c netfilter: flowtable: validate pppoe header 2024-04-27 17:11:31 +02:00
nf_flow_table_ip.c netfilter: flowtable: incorrect pppoe tuple 2024-04-27 17:11:31 +02:00
nf_flow_table_offload.c netfilter: flowtable: initialise extack before use 2024-08-29 17:33:19 +02:00
nf_flow_table_procfs.c netfilter: nf_flow_table: count pending offload workqueue tasks 2022-07-11 16:25:14 +02:00
nf_hooks_lwtunnel.c netfilter: fix undefined reference to 'netfilter_lwtunnel_*' when CONFIG_SYSCTL=n 2024-07-05 09:33:47 +02:00
nf_internals.h netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core 2024-06-27 13:49:08 +02:00
nf_log.c netfilter: nf_log: replace BUG_ON by WARN_ON_ONCE when putting logger 2024-02-05 20:14:36 +00:00
nf_log_syslog.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:35:59 -08:00
nf_nat_amanda.c netfilter: nat: move repetitive nat port reserve loop to a helper 2022-09-07 16:46:04 +02:00
nf_nat_bpf.c bpf: Add __bpf_kfunc tag to all kfuncs 2023-02-02 00:25:14 +01:00
nf_nat_core.c minmax: add in_range() macro 2023-08-24 16:20:18 -07:00
nf_nat_ftp.c netfilter: nat: move repetitive nat port reserve loop to a helper 2022-09-07 16:46:04 +02:00
nf_nat_helper.c treewide: use get_random_u32_below() instead of deprecated function 2022-11-18 02:15:15 +01:00
nf_nat_irc.c netfilter: nat: move repetitive nat port reserve loop to a helper 2022-09-07 16:46:04 +02:00
nf_nat_masquerade.c netfilter: conntrack: add nf_ct_iter_data object for nf_ct_iterate_cleanup*() 2022-05-13 18:56:27 +02:00
nf_nat_ovs.c netfilter: nf_nat: fix action not being set for all ct states 2024-01-10 17:16:50 +01:00
nf_nat_proto.c netfilter: nat: move nf_xfrm_me_harder to where it is used 2021-04-26 03:20:07 +02:00
nf_nat_redirect.c netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses 2023-11-20 11:59:37 +01:00
nf_nat_sip.c netfilter: nat: move repetitive nat port reserve loop to a helper 2022-09-07 16:46:04 +02:00
nf_nat_tftp.c
…
nf_queue.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:35:59 -08:00
nf_sockopt.c
…
nf_synproxy_core.c ip: Fix data-races around sysctl_ip_default_ttl. 2022-07-15 11:49:55 +01:00
nf_tables_api.c netfilter: nf_tables: Add locking for NFT_MSG_GETOBJ_RESET requests 2024-08-29 17:33:20 +02:00
nf_tables_core.c netfilter: nf_tables: set transport offset from mac header for netdev/egress 2024-01-10 17:16:47 +01:00
nf_tables_offload.c net: flow_dissector: Use 64bits for used_keys 2023-07-31 09:11:24 +01:00
nf_tables_trace.c netfilter: nf_tables: do not store rule in traceinfo structure 2023-04-22 01:39:41 +02:00
nfnetlink.c netfilter: nfnetlink: skip error delivery on batch in case of ENOMEM 2023-06-08 04:00:02 +02:00
nfnetlink_acct.c netfilter: use nfnetlink_unicast() 2021-05-29 01:04:53 +02:00
nfnetlink_cthelper.c netfilter: nf_conntrack: use rcu accessors where needed 2022-07-11 16:25:15 +02:00
nfnetlink_cttimeout.c netfilter: cttimeout: fix slab-out-of-bounds read typo in cttimeout_net_exit 2022-06-17 23:31:20 +02:00
nfnetlink_hook.c netfilter: nfnetlink hook: dump bpf prog id 2023-04-21 11:34:14 -07:00
nfnetlink_log.c netfilter: nfnetlink_log: use proper helper for fetching physinif 2024-01-25 15:35:59 -08:00
nfnetlink_osf.c netfilter: nfnetlink_osf: avoid OOB read 2023-09-06 18:07:49 +02:00
nfnetlink_queue.c netfilter: nf_queue: drop packets with cloned unconfirmed conntracks 2024-08-29 17:33:19 +02:00
nft_bitwise.c netfilter pull request 23-06-26 2023-06-26 12:59:18 -07:00
nft_byteorder.c netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval() 2023-11-28 17:19:52 +00:00
nft_chain_filter.c netfilter: nf_tables: honor table dormant flag from netdev release event path 2024-05-02 16:32:39 +02:00
nft_chain_nat.c netfilter: nf_tables: remove unused arg in nft_set_pktinfo_unspec() 2021-05-29 01:04:54 +02:00
nft_chain_route.c netfilter: nf_tables: remove unused arg in nft_set_pktinfo_unspec() 2021-05-29 01:04:54 +02:00
nft_cmp.c net: flow_dissector: Use 64bits for used_keys 2023-07-31 09:11:24 +01:00
nft_compat.c netfilter: nf_tables: allow NFPROTO_INET in nft_(match/target)_validate() 2024-03-06 14:48:36 +00:00
nft_connlimit.c netfilter: nf_tables: Extend nft_expr_ops::dump callback parameters 2022-11-15 10:46:34 +01:00
nft_counter.c netfilter: nf_tables: Introduce NFT_MSG_GETRULE_RESET 2022-11-15 10:53:17 +01:00
nft_ct.c netfilter: nft_ct: fix l3num expectations with inet pseudo family 2024-03-15 10:48:18 -04:00
nft_ct_fast.c netfilter: nf_tables: fix ct untracked match breakage 2023-05-03 13:49:08 +02:00
nft_dup_netdev.c netfilter: nf_tables: Extend nft_expr_ops::dump callback parameters 2022-11-15 10:46:34 +01:00
nft_dynset.c netfilter: nf_tables: bail out on mismatching dynset and set expressions 2023-12-13 18:45:09 +01:00
nft_exthdr.c netfilter: nf_tables: fix 'exist' matching on bigendian arches 2023-12-13 18:45:09 +01:00
nft_fib.c netfilter: nft_fib: allow from forward/input without iif selector 2024-06-12 11:12:58 +02:00
nft_fib_inet.c netfilter: nft_fib: add reduce support 2022-03-20 00:29:47 +01:00
nft_fib_netdev.c netfilter: nft_fib: add reduce support 2022-03-20 00:29:47 +01:00
nft_flow_offload.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_fwd_netdev.c netfilter: nf_tables: limit allowed range via nla_policy 2023-06-26 08:05:57 +02:00
nft_hash.c netfilter: nf_tables: limit allowed range via nla_policy 2023-06-26 08:05:57 +02:00
nft_immediate.c netfilter: nft_immediate: drop chain reference counter on error 2024-01-10 17:16:51 +01:00
nft_inner.c nf_tables: fix NULL pointer dereference in nft_inner_init() 2023-10-12 10:28:45 +02:00
nft_last.c netfilter: nft_last: copy content when cloning expression 2023-03-01 17:23:23 +01:00
nft_limit.c netfilter: nft_limit: reject configurations that cause integer overflow 2024-01-31 16:19:03 -08:00
nft_log.c netfilter: nf_tables: Extend nft_expr_ops::dump callback parameters 2022-11-15 10:46:34 +01:00
nft_lookup.c netfilter: nf_tables: fully validate NFT_DATA_VALUE on store to data registers 2024-07-05 09:33:49 +02:00
nft_masq.c netfilter: nf_tables: use NLA_POLICY_MASK to test for valid flag options 2023-07-27 13:45:51 +02:00
nft_meta.c netfilter: nft_inner: validate mandatory meta and payload 2024-06-21 14:38:34 +02:00
nft_nat.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_numgen.c netfilter: nf_tables: Extend nft_expr_ops::dump callback parameters 2022-11-15 10:46:34 +01:00
nft_objref.c netfilter: nf_tables: report use refcount overflow 2023-07-05 14:42:15 +02:00
nft_osf.c netfilter: nft_osf: refactor deprecated strncpy 2023-08-22 15:13:21 +02:00
nft_payload.c netfilter: nft_inner: validate mandatory meta and payload 2024-06-21 14:38:34 +02:00
nft_queue.c netfilter: nf_tables: Extend nft_expr_ops::dump callback parameters 2022-11-15 10:46:34 +01:00
nft_quota.c netfilter: nft_quota: copy content when cloning expression 2023-03-01 17:23:23 +01:00
nft_range.c netfilter: nf_tables: limit allowed range via nla_policy 2023-06-26 08:05:57 +02:00
nft_redir.c netfilter: nf_tables: use NLA_POLICY_MASK to test for valid flag options 2023-07-27 13:45:51 +02:00
nft_reject.c netfilter: nf_tables: limit allowed range via nla_policy 2023-06-26 08:05:57 +02:00
nft_reject_inet.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_reject_netdev.c netfilter: nf_tables: do not reduce read-only expressions 2022-03-20 00:29:46 +01:00
nft_rt.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_set_bitmap.c netfilter: nf_tables: drop map element references from preparation phase 2023-06-20 22:43:40 +02:00
nft_set_hash.c netfilter: nft_set_hash: try later when GC hits EAGAIN on iteration 2023-09-08 03:26:58 +02:00
nft_set_pipapo.c netfilter: nf_set_pipapo: fix initial map fill 2024-08-03 08:54:04 +02:00
nft_set_pipapo.h netfilter: nf_set_pipapo: fix initial map fill 2024-08-03 08:54:04 +02:00
nft_set_pipapo_avx2.c netfilter: nft_set_pipapo_avx2: disable softinterrupts 2024-08-03 08:54:37 +02:00
nft_set_pipapo_avx2.h netfilter: nf_tables: prefer direct calls for set lookups 2021-05-29 01:04:27 +02:00
nft_set_rbtree.c netfilter: nft_set_rbtree: skip end interval element from gc 2024-02-16 19:10:57 +01:00
nft_socket.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_synproxy.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_tproxy.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
nft_tunnel.c netfilter: nf_tables: restrict tunnel object to NFPROTO_NETDEV 2024-02-05 20:14:36 +00:00
nft_xfrm.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:19:03 -08:00
utils.c netfilter: move br_nf_check_hbh_len to utils 2023-03-08 14:25:40 +01:00
x_tables.c netfilter: x_tables: refactor deprecated strncpy 2023-08-22 15:13:21 +02:00
xt_AUDIT.c netfilter: fix clang-12 fmt string warnings 2021-06-01 23:53:51 +02:00
xt_CHECKSUM.c
…
xt_CLASSIFY.c
…
xt_CONNSECMARK.c
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xt_CT.c netfilter: nf_conntrack: use rcu accessors where needed 2022-07-11 16:25:15 +02:00
xt_DSCP.c netfilter: x_tables: use correct integer types 2022-07-11 16:40:45 +02:00
xt_HL.c
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xt_HMARK.c netfilter: xt_HMARK: Use ip_is_fragment() helper 2020-08-28 19:55:51 +02:00
xt_IDLETIMER.c driver core: class: remove module * from class_create() 2023-03-17 15:16:33 +01:00
xt_LED.c leds: Change led_trigger_blink[_oneshot]() delay parameters to pass-by-value 2023-05-25 12:16:27 +01:00
xt_LOG.c netfilter: log: work around missing softdep backend module 2021-09-21 03:46:56 +02:00
xt_MASQUERADE.c
…
xt_NETMAP.c
…
xt_NFLOG.c netfilter: log: work around missing softdep backend module 2021-09-21 03:46:56 +02:00
xt_NFQUEUE.c
…
xt_RATEEST.c netfilter: move from strlcpy with unused retval to strscpy 2022-09-07 16:46:03 +02:00
xt_REDIRECT.c netfilter: nft_redir: use `struct nf_nat_range2` throughout and deduplicate eval call-backs 2023-03-22 21:48:59 +01:00
xt_SECMARK.c netfilter: xt_SECMARK: add new revision to fix structure layout 2021-05-03 23:02:44 +02:00
xt_TCPMSS.c netfilter: x_tables: use correct integer types 2022-07-11 16:40:45 +02:00
xt_TCPOPTSTRIP.c
…
xt_TEE.c
…
xt_TPROXY.c netfilter: xt_TPROXY: remove pr_debug invocations 2022-07-21 00:56:00 +02:00
xt_TRACE.c netfilter: nf_log: add module softdeps 2021-03-31 22:34:10 +02:00
xt_addrtype.c
…
xt_bpf.c bpf: Refactor BPF_PROG_RUN into a function 2021-08-17 00:45:07 +02:00
xt_cgroup.c
…
xt_cluster.c
…
xt_comment.c
…
xt_connbytes.c
…
xt_connlabel.c
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xt_connlimit.c netfilter: x_tables: use correct integer types 2022-07-11 16:40:45 +02:00
xt_connmark.c netfilter: conntrack: Fix data-races around ct mark 2022-11-18 15:21:00 +01:00
xt_conntrack.c
…
xt_cpu.c
…
xt_dccp.c
…
xt_devgroup.c
…
xt_dscp.c
…
xt_ecn.c
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xt_esp.c
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xt_hashlimit.c proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
xt_helper.c
…
xt_hl.c
…
xt_ipcomp.c
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xt_iprange.c
…
xt_ipvs.c
…
xt_l2tp.c
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xt_length.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf 2023-02-22 21:25:23 -08:00
xt_limit.c netfilter: x_tables: improve limit_mt scalability 2021-05-29 01:04:52 +02:00
xt_mac.c
…
xt_mark.c
…
xt_multiport.c
…
xt_nat.c
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xt_nfacct.c netfilter: Remove unnecessary conversion to bool 2020-12-01 09:45:29 +01:00
xt_osf.c netfilter: nfnetlink_osf: fix module autoload 2023-06-20 22:43:42 +02:00
xt_owner.c netfilter: xt_owner: Fix for unsafe access of sk->sk_socket 2023-12-13 18:45:10 +01:00
xt_physdev.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:35:59 -08:00
xt_pkttype.c
…
xt_policy.c
…
xt_quota.c
…
xt_rateest.c
…
xt_realm.c
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xt_recent.c netfilter: xt_recent: fix (increase) ipv6 literal buffer length 2023-11-20 11:59:36 +01:00
xt_repldata.h netfilter: xtables: refactor deprecated strncpy 2023-08-22 15:13:21 +02:00
xt_sctp.c netfilter: xt_sctp: validate the flag_info count 2023-08-30 17:34:01 +02:00
xt_set.c
…
xt_socket.c net: annotate data-races around sk->sk_mark 2023-07-29 18:13:41 +01:00
xt_state.c
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xt_statistic.c treewide: use get_random_u32() when possible 2022-10-11 17:42:58 -06:00
xt_string.c
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xt_tcpmss.c
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xt_tcpudp.c xtables: move icmp/icmpv6 logic to xt_tcpudp 2023-03-22 21:48:59 +01:00
xt_time.c
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xt_u32.c netfilter: xt_u32: validate user space input 2023-08-30 17:34:01 +02:00