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sst-linux/net/netfilter
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Jozsef Kadlecsik 788d585e62 netfilter: ipset: Fix suspicious rcu_dereference_protected() 
[ Upstream commit 8ecd06277a7664f4ef018abae3abd3451d64e7a6 ]

When destroying all sets, we are either in pernet exit phase or
are executing a "destroy all sets command" from userspace. The latter
was taken into account in ip_set_dereference() (nfnetlink mutex is held),
but the former was not. The patch adds the required check to
rcu_dereference_protected() in ip_set_dereference().

Fixes: 4e7aaa6b82d6 ("netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type")
Reported-by: syzbot+b62c37cdd58103293a5a@syzkaller.appspotmail.com
Reported-by: syzbot+cfbe1da5fdfc39efc293@syzkaller.appspotmail.com
Reported-by: kernel test robot <oliver.sang@intel.com>
Closes: https://lore.kernel.org/oe-lkp/202406141556.e0b6f17e-lkp@intel.com
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-27 13:46:20 +02:00
..
ipset netfilter: ipset: Fix suspicious rcu_dereference_protected() 2024-06-27 13:46:20 +02:00
ipvs ipvs: Fix checksumming on GSO of SCTP packets 2024-05-02 16:29:25 +02:00
core.c netfilter: let reset rules clean out conntrack entries 2024-03-06 14:45:08 +00:00
Kconfig
Makefile
nf_conncount.c
nf_conntrack_acct.c
nf_conntrack_amanda.c
nf_conntrack_bpf.c
nf_conntrack_broadcast.c
nf_conntrack_core.c netfilter: bridge: confirm multicast packets before passing them up the stack 2024-03-06 14:45:08 +00:00
nf_conntrack_ecache.c
nf_conntrack_expect.c
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 2024-03-15 10:48:16 -04:00
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
nf_conntrack_pptp.c
nf_conntrack_proto_dccp.c
nf_conntrack_proto_generic.c
nf_conntrack_proto_gre.c
nf_conntrack_proto_icmp.c
nf_conntrack_proto_icmpv6.c
nf_conntrack_proto_sctp.c netfilter: conntrack: check SCTP_CID_SHUTDOWN_ACK for vtag setting in sctp_new 2024-03-01 13:26:27 +01:00
nf_conntrack_proto_tcp.c netfilter: let reset rules clean out conntrack entries 2024-03-06 14:45:08 +00:00
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
nf_conntrack_tftp.c
nf_conntrack_timeout.c
nf_conntrack_timestamp.c
nf_dup_netdev.c
nf_flow_table_core.c netfilter: nft_flow_offload: release dst in case direct xmit path is used 2024-03-01 13:26:37 +01:00
nf_flow_table_inet.c netfilter: flowtable: validate pppoe header 2024-04-27 17:07:07 +02:00
nf_flow_table_ip.c netfilter: flowtable: incorrect pppoe tuple 2024-04-27 17:07:08 +02:00
nf_flow_table_offload.c netfilter: flowtable: cache info of last offload 2024-01-10 17:10:34 +01:00
nf_flow_table_procfs.c
nf_hooks_lwtunnel.c
nf_internals.h
nf_log_syslog.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:27:51 -08:00
nf_log.c netfilter: nf_log: replace BUG_ON by WARN_ON_ONCE when putting logger 2024-02-05 20:13:02 +00:00
nf_nat_amanda.c
nf_nat_bpf.c
nf_nat_core.c
nf_nat_ftp.c
nf_nat_helper.c
nf_nat_irc.c
nf_nat_masquerade.c
nf_nat_proto.c
nf_nat_redirect.c netfilter: nat: fix ipv6 nat redirect with mapped and scoped addresses 2023-11-20 11:52:17 +01:00
nf_nat_sip.c
nf_nat_tftp.c
nf_queue.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:27:51 -08:00
nf_sockopt.c
nf_synproxy_core.c
nf_tables_api.c netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() 2024-04-27 17:07:07 +02:00
nf_tables_core.c netfilter: nf_tables: set transport offset from mac header for netdev/egress 2024-01-10 17:10:21 +01:00
nf_tables_offload.c
nf_tables_trace.c
nfnetlink_acct.c
nfnetlink_cthelper.c
nfnetlink_cttimeout.c
nfnetlink_hook.c
nfnetlink_log.c netfilter: nfnetlink_log: use proper helper for fetching physinif 2024-01-25 15:27:50 -08:00
nfnetlink_osf.c
nfnetlink_queue.c netfilter: nfnetlink_queue: acquire rcu_read_lock() in instance_destroy_rcu() 2024-06-12 11:03:53 +02:00
nfnetlink.c
nft_bitwise.c
nft_byteorder.c netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval() 2023-11-28 17:07:05 +00:00
nft_chain_filter.c netfilter: nf_tables: honor table dormant flag from netdev release event path 2024-05-02 16:29:26 +02:00
nft_chain_nat.c
nft_chain_route.c
nft_cmp.c
nft_compat.c netfilter: nf_tables: allow NFPROTO_INET in nft_(match/target)_validate() 2024-03-06 14:45:08 +00:00
nft_connlimit.c
nft_counter.c
nft_ct.c netfilter: nft_ct: fix l3num expectations with inet pseudo family 2024-03-15 10:48:16 -04:00
nft_dup_netdev.c
nft_dynset.c netfilter: nf_tables: bail out on mismatching dynset and set expressions 2023-12-13 18:39:11 +01:00
nft_exthdr.c netfilter: nf_tables: fix 'exist' matching on bigendian arches 2023-12-13 18:39:11 +01:00
nft_fib_inet.c
nft_fib_netdev.c
nft_fib.c netfilter: nft_fib: allow from forward/input without iif selector 2024-06-12 11:03:58 +02:00
nft_flow_offload.c netfilter: flowtable: simplify route logic 2024-03-01 13:26:37 +01:00
nft_fwd_netdev.c
nft_hash.c
nft_immediate.c netfilter: nft_immediate: drop chain reference counter on error 2024-01-10 17:10:24 +01:00
nft_last.c
nft_limit.c netfilter: nft_limit: reject configurations that cause integer overflow 2024-01-31 16:17:05 -08:00
nft_log.c
nft_lookup.c
nft_masq.c
nft_meta.c netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval() 2023-11-28 17:07:05 +00:00
nft_nat.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
nft_numgen.c
nft_objref.c
nft_osf.c
nft_payload.c netfilter: nft_payload: skbuff vlan metadata mangle support 2024-06-12 11:03:57 +02:00
nft_queue.c
nft_quota.c
nft_range.c
nft_redir.c
nft_reject_inet.c
nft_reject_netdev.c
nft_reject.c
nft_rt.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
nft_set_bitmap.c
nft_set_hash.c
nft_set_pipapo_avx2.c work around gcc bugs with 'asm goto' with outputs 2024-02-23 09:12:28 +01:00
nft_set_pipapo_avx2.h
nft_set_pipapo.c netfilter: nft_set_pipapo: do not free live element 2024-04-27 17:07:07 +02:00
nft_set_pipapo.h netfilter: nft_set_pipapo: remove scratch_aligned pointer 2024-02-16 19:06:28 +01:00
nft_set_rbtree.c netfilter: nft_set_rbtree: skip end interval element from gc 2024-02-16 19:06:32 +01:00
nft_socket.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
nft_synproxy.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
nft_tproxy.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
nft_tunnel.c netfilter: nf_tables: restrict tunnel object to NFPROTO_NETDEV 2024-02-05 20:13:01 +00:00
nft_xfrm.c netfilter: nf_tables: validate NFPROTO_* family 2024-01-31 16:17:06 -08:00
utils.c
x_tables.c
xt_addrtype.c
xt_AUDIT.c
xt_bpf.c
xt_cgroup.c
xt_CHECKSUM.c
xt_CLASSIFY.c
xt_cluster.c
xt_comment.c
xt_connbytes.c
xt_connlabel.c
xt_connlimit.c
xt_connmark.c
xt_CONNSECMARK.c
xt_conntrack.c
xt_cpu.c
xt_CT.c
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
xt_ipcomp.c
xt_iprange.c
xt_ipvs.c
xt_l2tp.c
xt_LED.c
xt_length.c netfilter: use skb_ip_totlen and iph_totlen 2024-01-10 17:10:21 +01:00
xt_limit.c
xt_LOG.c
xt_mac.c
xt_mark.c
xt_MASQUERADE.c
xt_multiport.c
xt_nat.c
xt_NETMAP.c
xt_nfacct.c
xt_NFLOG.c
xt_NFQUEUE.c
xt_osf.c
xt_owner.c netfilter: xt_owner: Fix for unsafe access of sk->sk_socket 2023-12-13 18:39:11 +01:00
xt_physdev.c netfilter: propagate net to nf_bridge_get_physindev 2024-01-25 15:27:51 -08:00
xt_pkttype.c
xt_policy.c
xt_quota.c
xt_rateest.c
xt_RATEEST.c
xt_realm.c
xt_recent.c
xt_REDIRECT.c
xt_repldata.h
xt_sctp.c
xt_SECMARK.c
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
xt_u32.c