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linux-stable-mirror/net/netfilter
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Florian Westphal 47b2ea9940 netfilter: nf_tables: must hold rcu read lock while iterating object type list 
[ Upstream commit cddc04275f ]

Update of stateful object triggers:
WARNING: suspicious RCU usage
net/netfilter/nf_tables_api.c:7759 RCU-list traversed in non-reader section!!

other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by nft/3060:
 #0: ffff88810f0578c8 (&nft_net->commit_mutex){+.+.}-{4:4}, [..]

... but this list is not protected by the transaction mutex but the
nfnl nftables subsystem mutex.

Switch to nft_obj_type_get which will acquire rcu read lock,
bump refcount, and returns the result.

v3: Dan Carpenter points out nft_obj_type_get returns error pointer, not
NULL, on error.

Fixes: dad3bdeef4 ("netfilter: nf_tables: fix memory leak during stateful obj update").
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-12-05 14:01:53 +01:00
..
ipset
netfilter: ipset: Fix suspicious rcu_dereference_protected()
2024-06-19 15:12:56 +02:00
ipvs
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
core.c
net/netfilter: make use of the helper macro LIST_HEAD()
2024-09-06 18:10:21 -07:00
Kconfig
netfilter: xtables: allow xtables-nft only builds
2024-01-29 15:43:21 +01:00
Makefile
netfilter: Add bpf_xdp_flow_lookup kfunc
2024-07-01 17:03:01 +02:00
nf_bpf_link.c
Merge tag 'net-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-10-24 16:43:50 -07:00
nf_conncount.c
netfilter: move nf_ct_netns_get out of nf_conncount_init
2024-08-19 18:44:51 +02:00
nf_conntrack_acct.c
…
nf_conntrack_amanda.c
…
nf_conntrack_bpf.c
net: netfilter: Make ct zone opts configurable for bpf ct helpers
2024-05-22 15:00:56 -07:00
nf_conntrack_broadcast.c
…
nf_conntrack_core.c
netfilter: nfnetlink_queue: remove old clash resolution logic
2024-09-26 13:03:03 +02:00
nf_conntrack_ecache.c
…
nf_conntrack_expect.c
netfilter: expect: Simplify the allocation of slab caches in nf_conntrack_expect_init
2024-02-21 11:57:11 +01:00
nf_conntrack_extend.c
…
nf_conntrack_ftp.c
…
nf_conntrack_h323_asn1.c
netfilter: nf_conntrack_h323: Add protection for bmp length out of range
2024-03-07 03:10:35 +01:00
nf_conntrack_h323_main.c
…
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c
…
nf_conntrack_irc.c
…
nf_conntrack_labels.c
…
nf_conntrack_netbios_ns.c
…
nf_conntrack_netlink.c
netfilter: ctnetlink: compile ctnetlink_label_size with CONFIG_NF_CONNTRACK_EVENTS
2024-09-26 13:03:02 +02:00
nf_conntrack_ovs.c
…
nf_conntrack_pptp.c
…
nf_conntrack_proto_dccp.c
netfilter: conntrack: dccp: try not to drop skb in conntrack
2024-05-06 11:13:56 +02:00
nf_conntrack_proto_generic.c
…
nf_conntrack_proto_gre.c
…
nf_conntrack_proto_icmp.c
…
nf_conntrack_proto_icmpv6.c
netfilter: conntrack: fix ct-state for ICMPv6 Multicast Router Discovery
2024-05-06 11:13:56 +02:00
nf_conntrack_proto_sctp.c
netfilter: conntrack: check SCTP_CID_SHUTDOWN_ACK for vtag setting in sctp_new
2024-01-31 23:13:57 +01:00
nf_conntrack_proto_tcp.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nf_conntrack_proto_udp.c
…
nf_conntrack_proto.c
…
nf_conntrack_sane.c
…
nf_conntrack_seqadj.c
…
nf_conntrack_sip.c
…
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
nf_conntrack_tftp.c
…
nf_conntrack_timeout.c
…
nf_conntrack_timestamp.c
…
nf_dup_netdev.c
…
nf_flow_table_bpf.c
netfilter: Add bpf_xdp_flow_lookup kfunc
2024-07-01 17:03:01 +02:00
nf_flow_table_core.c
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
2024-09-12 15:41:03 +02:00
nf_flow_table_inet.c
net: netfilter: move nf flowtable bpf initialization in nf_flow_table_module_init()
2024-09-12 15:41:03 +02:00
nf_flow_table_ip.c
netfilter: flowtable: validate vlan header
2024-08-22 12:14:18 +02:00
nf_flow_table_offload.c
netfilter: flowtable: initialise extack before use
2024-08-14 23:37:16 +02:00
nf_flow_table_procfs.c
…
nf_flow_table_xdp.c
netfilter: nf_tables: Add flowtable map for xdp offload
2024-07-01 17:01:53 +02:00
nf_hooks_lwtunnel.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
nf_internals.h
netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core
2024-06-19 18:41:59 +02:00
nf_log_syslog.c
netfilter: propagate net to nf_bridge_get_physindev
2024-01-17 12:02:48 +01:00
nf_log.c
sysctl: treewide: constify the ctl_table argument of proc_handlers
2024-07-24 20:59:29 +02:00
nf_nat_amanda.c
…
nf_nat_bpf.c
bpf: treewide: Annotate BPF kfuncs in BTF
2024-01-31 20:40:56 -08:00
nf_nat_core.c
netfilter: nfnetlink_queue: remove old clash resolution logic
2024-09-26 13:03:03 +02:00
nf_nat_ftp.c
…
nf_nat_helper.c
…
nf_nat_irc.c
…
nf_nat_masquerade.c
…
nf_nat_ovs.c
…
nf_nat_proto.c
…
nf_nat_redirect.c
…
nf_nat_sip.c
…
nf_nat_tftp.c
…
nf_queue.c
netfilter: move nf_reinject into nfnetlink_queue modules
2024-02-21 12:03:22 +01:00
nf_sockopt.c
…
nf_synproxy_core.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nf_tables_api.c
netfilter: nf_tables: must hold rcu read lock while iterating object type list
2024-12-05 14:01:53 +01:00
nf_tables_core.c
netfilter: nf_tables: don't initialize registers in nft_do_chain()
2024-08-20 12:37:25 +02:00
nf_tables_offload.c
netfilter: nf_tables: do not store nft_ctx in transaction objects
2024-06-25 20:40:47 +02:00
nf_tables_trace.c
net: add and use skb_get_hash_net
2024-06-12 14:33:38 -07:00
nfnetlink_acct.c
…
nfnetlink_cthelper.c
…
nfnetlink_cttimeout.c
netfilter: cttimeout: remove 'l3num' attr check
2024-06-26 00:54:53 +02:00
nfnetlink_hook.c
…
nfnetlink_log.c
netfilter: nfnetlink_log: use proper helper for fetching physinif
2024-01-17 12:02:47 +01:00
nfnetlink_osf.c
…
nfnetlink_queue.c
netfilter: nfnetlink_queue: unbreak SCTP traffic
2024-08-19 18:44:50 +02:00
nfnetlink.c
netfilter: nfnetlink: convert kfree_skb to consume_skb
2024-08-19 18:44:50 +02:00
nft_bitwise.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_byteorder.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nft_chain_filter.c
netfilter: nf_tables: remove NETDEV_CHANGENAME from netdev chain event handler
2024-05-06 11:13:55 +02:00
nft_chain_nat.c
…
nft_chain_route.c
…
nft_cmp.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_compat.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_connlimit.c
netfilter: nf_tables: allow clone callbacks to sleep
2024-05-10 11:13:45 +02:00
nft_counter.c
netfilter: nft_counter: Use u64_stats_t for statistic.
2024-09-03 10:47:16 +02:00
nft_ct_fast.c
…
nft_ct.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_dup_netdev.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_dynset.c
netfilter: nf_tables: set element timeout update support
2024-09-03 18:19:44 +02:00
nft_exthdr.c
move asm/unaligned.h to linux/unaligned.h
2024-10-02 17:23:23 -04:00
nft_fib_inet.c
…
nft_fib_netdev.c
…
nft_fib.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_flow_offload.c
netfilter: nft_flow_offload: Unmask upper DSCP bits in nft_flow_route()
2024-09-09 14:14:53 +01:00
nft_fwd_netdev.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_hash.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_immediate.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_inner.c
…
nft_last.c
netfilter: nf_tables: allow clone callbacks to sleep
2024-05-10 11:13:45 +02:00
nft_limit.c
netfilter: nf_tables: allow clone callbacks to sleep
2024-05-10 11:13:45 +02:00
nft_log.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_lookup.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_masq.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_meta.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_nat.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_numgen.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_objref.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_osf.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_payload.c
netfilter: nft_payload: sanitize offset and length before calling skb_checksum()
2024-10-31 10:54:49 +01:00
nft_queue.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_quota.c
netfilter: nf_tables: allow clone callbacks to sleep
2024-05-10 11:13:45 +02:00
nft_range.c
netfilter: nf_tables: pass context structure to nft_parse_register_load
2024-08-20 12:37:24 +02:00
nft_redir.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_reject_inet.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_reject_netdev.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_reject.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_rt.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_set_bitmap.c
netfilter: nf_tables: restore set elements when delete set fails
2024-04-17 17:43:11 +02:00
nft_set_hash.c
netfilter: nf_tables: restore set elements when delete set fails
2024-04-17 17:43:11 +02:00
nft_set_pipapo_avx2.c
netfilter: nft_set_pipapo_avx2: disable softinterrupts
2024-07-24 10:01:59 +02:00
nft_set_pipapo_avx2.h
…
nft_set_pipapo.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_set_pipapo.h
netfilter: nf_set_pipapo: fix initial map fill
2024-07-17 19:00:47 +02:00
nft_set_rbtree.c
netfilter: nf_tables: restore set elements when delete set fails
2024-04-17 17:43:11 +02:00
nft_socket.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2024-09-15 09:13:19 -07:00
nft_synproxy.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_tproxy.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
nft_tunnel.c
netfilter: nf_tables: missing objects with no memcg accounting
2024-09-26 13:03:02 +02:00
nft_xfrm.c
netfilter: nf_tables: drop unused 3rd argument from validate callback ops
2024-09-03 10:47:17 +02:00
utils.c
netfilter: move nf_reinject into nfnetlink_queue modules
2024-02-21 12:03:22 +01:00
x_tables.c
netfilter: Fix use-after-free in get_info()
2024-10-30 13:17:36 +01:00
xt_addrtype.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_AUDIT.c
…
xt_bpf.c
…
xt_cgroup.c
…
xt_CHECKSUM.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_CLASSIFY.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_cluster.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_comment.c
…
xt_connbytes.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_connlabel.c
…
xt_connlimit.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_connmark.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_CONNSECMARK.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_conntrack.c
…
xt_cpu.c
…
xt_CT.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_dccp.c
…
xt_devgroup.c
…
xt_dscp.c
…
xt_DSCP.c
…
xt_ecn.c
…
xt_esp.c
…
xt_hashlimit.c
…
xt_helper.c
…
xt_hl.c
…
xt_HL.c
…
xt_HMARK.c
…
xt_IDLETIMER.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_ipcomp.c
…
xt_iprange.c
…
xt_ipvs.c
…
xt_l2tp.c
…
xt_LED.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_length.c
…
xt_limit.c
…
xt_LOG.c
…
xt_mac.c
…
xt_mark.c
netfilter: xtables: fix typo causing some targets not to load on IPv6
2024-10-21 11:31:26 +02:00
xt_MASQUERADE.c
…
xt_multiport.c
…
xt_nat.c
…
xt_NETMAP.c
…
xt_nfacct.c
…
xt_NFLOG.c
netfilter: xtables: fix typo causing some targets not to load on IPv6
2024-10-21 11:31:26 +02:00
xt_NFQUEUE.c
…
xt_osf.c
…
xt_owner.c
…
xt_physdev.c
netfilter: propagate net to nf_bridge_get_physindev
2024-01-17 12:02:48 +01:00
xt_pkttype.c
…
xt_policy.c
…
xt_quota.c
…
xt_rateest.c
…
xt_RATEEST.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_realm.c
…
xt_recent.c
netfilter: xt_recent: Lift restrictions on max hitcount value
2024-06-28 17:57:50 +02:00
xt_REDIRECT.c
…
xt_repldata.h
…
xt_sctp.c
…
xt_SECMARK.c
netfilter: xtables: avoid NFPROTO_UNSPEC where needed
2024-10-09 23:20:46 +02:00
xt_set.c
…
xt_socket.c
…
xt_state.c
…
xt_statistic.c
…
xt_string.c
…
xt_tcpmss.c
…
xt_TCPMSS.c
…
xt_TCPOPTSTRIP.c
…
xt_tcpudp.c
…
xt_TEE.c
…
xt_time.c
…
xt_TPROXY.c
…
xt_TRACE.c
netfilter: xtables: fix typo causing some targets not to load on IPv6
2024-10-21 11:31:26 +02:00
xt_u32.c
…