Pablo Neira Ayuso d201297561 netfilter: nf_tables: fix oops when updating table with user chains ... This patch fixes a crash while trying to deactivate a table that contains user chains. You can reproduce it via: % nft add table table1 % nft add chain table1 chain1 % nft-table-upd ip table1 dormant [ 253.021026] BUG: unable to handle kernel NULL pointer dereference at 0000000000000030 [ 253.021114] IP: [<ffffffff8134cebd>] nf_register_hook+0x35/0x6f [ 253.021167] PGD 30fa5067 PUD 30fa2067 PMD 0 [ 253.021208] Oops: 0000 [#1] SMP [...] [ 253.023305] Call Trace: [ 253.023331] [<ffffffffa0885020>] nf_tables_newtable+0x11c/0x258 [nf_tables] [ 253.023385] [<ffffffffa0878592>] nfnetlink_rcv_msg+0x1f4/0x226 [nfnetlink] [ 253.023438] [<ffffffffa0878418>] ? nfnetlink_rcv_msg+0x7a/0x226 [nfnetlink] [ 253.023491] [<ffffffffa087839e>] ? nfnetlink_bind+0x45/0x45 [nfnetlink] [ 253.023542] [<ffffffff8134b47e>] netlink_rcv_skb+0x3c/0x88 [ 253.023586] [<ffffffffa0878973>] nfnetlink_rcv+0x3af/0x3e4 [nfnetlink] [ 253.023638] [<ffffffff813fb0d4>] ? _raw_read_unlock+0x22/0x34 [ 253.023683] [<ffffffff8134af17>] netlink_unicast+0xe2/0x161 [ 253.023727] [<ffffffff8134b29a>] netlink_sendmsg+0x304/0x332 [ 253.023773] [<ffffffff8130d250>] __sock_sendmsg_nosec+0x25/0x27 [ 253.023820] [<ffffffff8130fb93>] sock_sendmsg+0x5a/0x7b [ 253.023861] [<ffffffff8130d5d5>] ? copy_from_user+0x2a/0x2c [ 253.023905] [<ffffffff8131066f>] ? move_addr_to_kernel+0x35/0x60 [ 253.023952] [<ffffffff813107b3>] SYSC_sendto+0x119/0x15c [ 253.023995] [<ffffffff81401107>] ? sysret_check+0x1b/0x56 [ 253.024039] [<ffffffff8108dc30>] ? trace_hardirqs_on_caller+0x140/0x1db [ 253.024090] [<ffffffff8120164e>] ? trace_hardirqs_on_thunk+0x3a/0x3f [ 253.024141] [<ffffffff81310caf>] SyS_sendto+0x9/0xb [ 253.026219] [<ffffffff814010e2>] system_call_fastpath+0x16/0x1b Reported-by: Alex Wei <alex.kern.mentor@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>		2013-12-28 12:18:16 +01:00
..
ipset	netfilter: ipset: fix incorret comparison in hash_netnet4_data_equal()	2013-11-25 22:42:18 +01:00
ipvs	ipvs: correct usage/allocation of seqadj ext in ipvs	2013-12-27 12:30:02 +09:00
core.c	netfilter: pass hook ops to hookfn	2013-10-14 11:29:31 +02:00
Kconfig	netfilter: fix connlimit Kconfig prompt string	2013-11-13 23:31:11 +01:00
Makefile	netfilter: nf_tables: Add support for IPv6 NAT	2013-10-14 18:00:58 +02:00
nf_conntrack_acct.c	netfilter: introduce nf_conn_acct structure	2013-11-03 21:48:49 +01:00
nf_conntrack_amanda.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_broadcast.c
nf_conntrack_core.c	netfilter: nf_conntrack: decrement global counter after object release	2013-11-18 14:07:19 +01:00
nf_conntrack_ecache.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_expect.c	netfilter: ctnetlink: fix incorrect NAT expectation dumping	2013-07-15 11:14:51 +02:00
nf_conntrack_extend.c	netfilter: nf_ct_ext: support variable length extensions	2012-06-16 15:08:49 +02:00
nf_conntrack_ftp.c	netfilter: Implement RFC 1123 for FTP conntrack	2013-05-27 13:32:43 +02:00
nf_conntrack_h323_asn1.c
nf_conntrack_h323_main.c	netfilter: nf_conntrack: fix rt6i_gateway checks for H.323 helper	2013-10-21 18:37:01 -04:00
nf_conntrack_h323_types.c
nf_conntrack_helper.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_irc.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_l3proto_generic.c
nf_conntrack_labels.c	netfilter: connlabels: remove unneeded includes	2013-07-31 16:39:18 +02:00
nf_conntrack_netbios_ns.c
nf_conntrack_netlink.c	netfilter: ctnetlink: account both directions in one step	2013-11-03 21:49:32 +01:00
nf_conntrack_pptp.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_proto_dccp.c	netfilter: nf_log: prepare net namespace support for loggers	2013-04-05 20:12:54 +02:00
nf_conntrack_proto_generic.c	netfilter: nf_conntrack: generalize nf_ct_l4proto_net	2012-07-04 19:37:22 +02:00
nf_conntrack_proto_gre.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_proto_sctp.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_proto_tcp.c	netfilter: add SYNPROXY core/target	2013-08-28 00:27:54 +02:00
nf_conntrack_proto_udp.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_proto_udplite.c	netfilter: nf_log: prepare net namespace support for loggers	2013-04-05 20:12:54 +02:00
nf_conntrack_proto.c	netfilter: nf_conntrack: don't send destroy events from iterator	2013-08-09 12:03:33 +02:00
nf_conntrack_sane.c	netfilter: nf_ct_helper: better logging for dropped packets	2013-02-19 02:48:05 +01:00
nf_conntrack_seqadj.c	netfilter: WARN about wrong usage of sequence number adjustments	2013-12-27 12:29:54 +09:00
nf_conntrack_sip.c	netfilter: nf_ct_sip: consolidate NAT hook functions	2013-10-01 12:47:09 +02:00
nf_conntrack_snmp.c	netfilter: nf_ct_snmp: add include file	2013-01-18 00:28:18 +01:00
nf_conntrack_standalone.c	net: Convert uses of typedef ctl_table to struct ctl_table	2013-06-13 02:36:09 -07:00
nf_conntrack_tftp.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_conntrack_timeout.c	netfilter: nf_ct_timeout: move initialization out of pernet_operations	2013-01-23 12:56:02 +01:00
nf_conntrack_timestamp.c	netfilter: nf_ct_timestamp: Fix BUG_ON after netns deletion	2013-12-20 14:58:29 +01:00
nf_internals.h	net: misc: Remove extern from function prototypes	2013-10-19 19:12:11 -04:00
nf_log.c	net: Convert uses of typedef ctl_table to struct ctl_table	2013-06-13 02:36:09 -07:00
nf_nat_amanda.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
nf_nat_core.c	netfilter: nf_nat: move alloc_null_binding to nf_nat_core.c	2013-10-14 11:29:39 +02:00
nf_nat_ftp.c	netfilter: nf_ct_helper: better logging for dropped packets	2013-02-19 02:48:05 +01:00
nf_nat_helper.c	netfilter: nf_conntrack: make sequence number adjustments usuable without NAT	2013-08-28 00:26:48 +02:00
nf_nat_irc.c	netfilter: nf_ct_helper: better logging for dropped packets	2013-02-19 02:48:05 +01:00
nf_nat_proto_common.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_proto_dccp.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_proto_sctp.c	net/sctp: Refactor SCTP skb checksum computation	2013-07-27 20:07:15 -07:00
nf_nat_proto_tcp.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_proto_udp.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_proto_udplite.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_proto_unknown.c	netfilter: add protocol independent NAT core	2012-08-30 03:00:14 +02:00
nf_nat_sip.c	netfilter: nf_ct_sip: consolidate NAT hook functions	2013-10-01 12:47:09 +02:00
nf_nat_tftp.c	netfilter: nf_ct_helper: better logging for dropped packets	2013-02-19 02:48:05 +01:00
nf_queue.c	netfilter: move skb_gso_segment into nfnetlink_queue module	2013-04-29 20:09:05 +02:00
nf_sockopt.c
nf_synproxy_core.c	netfilter: synproxy: correct wscale option passing	2013-11-18 12:53:38 +01:00
nf_tables_api.c	netfilter: nf_tables: fix oops when updating table with user chains	2013-12-28 12:18:16 +01:00
nf_tables_core.c	netfilter: nf_tables: add trace support	2013-10-14 18:01:02 +02:00
nfnetlink_acct.c	netfilter: nfnetlink_acct: fix incomplete dumping of objects	2013-06-05 12:36:36 +02:00
nfnetlink_cthelper.c	netfilter: check return code from nla_parse_tested	2013-06-20 11:20:13 +02:00
nfnetlink_cttimeout.c	netfilter: cttimeout: allow to set/get default protocol timeouts	2013-10-01 13:17:39 +02:00
nfnetlink_log.c	netfilter: nfnetlink_log: unset nf_loggers for netns when unloading module	2013-12-17 23:19:03 +01:00
nfnetlink_queue_core.c	netfilter: nfnetlink_queue: use proper net namespace to allocate skb	2013-10-01 12:20:31 +02:00
nfnetlink_queue_ct.c	netfilter: nf_conntrack: make sequence number adjustments usuable without NAT	2013-08-28 00:26:48 +02:00
nfnetlink.c	nfnetlink: do not ack malformed messages	2013-11-08 15:12:11 -05:00
nft_bitwise.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_byteorder.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_cmp.c	netfilter: nf_tables: add compatibility layer for x_tables	2013-10-14 18:00:04 +02:00
nft_compat.c	netfilter: nft_compat: fix error path in nft_parse_compat()	2013-11-18 12:53:41 +01:00
nft_counter.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_ct.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_expr_template.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_exthdr.c	netfilter: nft_exthdr: call ipv6_find_hdr() with explicitly initialized offset	2013-12-20 11:25:10 +01:00
nft_hash.c	netfilter: nf_tables: add netlink set API	2013-10-14 17:16:07 +02:00
nft_immediate.c	netfilter: nf_tables: add compatibility layer for x_tables	2013-10-14 18:00:04 +02:00
nft_limit.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_log.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_lookup.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_meta_target.c	netfilter: add nftables	2013-10-14 17:15:48 +02:00
nft_meta.c	netfilter: nf_tables: expression ops overloading	2013-10-14 17:16:08 +02:00
nft_nat.c	netfilter: nft_nat: Fix endianness issue reported by sparse	2013-10-28 17:41:49 +01:00
nft_payload.c	netfilter: nf_tables: nft_payload: fix transport header base	2013-10-14 18:00:56 +02:00
nft_rbtree.c	netfilter: nf_tables: add netlink set API	2013-10-14 17:16:07 +02:00
x_tables.c	netfilter: x_tables: fix ordering of jumpstack allocation and table update	2013-10-22 10:11:29 +02:00
xt_addrtype.c	netfilter: xt_addrtype: fix trivial typo	2013-07-31 16:36:25 +02:00
xt_AUDIT.c	netfilter: xt_AUDIT: only generate audit log when audit enabled	2013-03-04 14:45:25 +01:00
xt_bpf.c	netfilter: x_tables: add xt_bpf match	2013-01-21 12:20:19 +01:00
xt_CHECKSUM.c
xt_CLASSIFY.c
xt_cluster.c
xt_comment.c
xt_connbytes.c	netfilter: introduce nf_conn_acct structure	2013-11-03 21:48:49 +01:00
xt_connlabel.c	netfilter: add connlabel conntrack extension	2013-01-18 00:28:15 +01:00
xt_connlimit.c	hlist: drop the node parameter from iterators	2013-02-27 19:10:24 -08:00
xt_connmark.c
xt_CONNSECMARK.c
xt_conntrack.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
xt_cpu.c
xt_CT.c	netfilter: xt_CT: optimize XT_CT_NOTRACK	2013-05-23 11:09:29 +02:00
xt_dccp.c
xt_devgroup.c
xt_dscp.c
xt_DSCP.c
xt_ecn.c	netfilter: xtables: collapse conditions in xt_ecn	2011-12-27 20:45:25 +01:00
xt_esp.c
xt_hashlimit.c	netfilter: xt_hashlimit: fix proc entry leak in netns destroy path	2013-12-07 22:46:51 +01:00
xt_helper.c
xt_hl.c
xt_HL.c
xt_HMARK.c	ipv6: Move ipv6_find_hdr() out of Netfilter code.	2012-11-09 17:05:07 -08:00
xt_IDLETIMER.c	netfilter: Remove unnecessary OOM logging messages	2011-11-01 09:19:49 +01:00
xt_iprange.c
xt_ipvs.c	ipvs: API change to avoid rescan of IPv6 exthdr	2012-09-28 11:34:33 +09:00
xt_LED.c
xt_length.c
xt_limit.c	netfilter: add my copyright statements	2013-04-18 20:27:55 +02:00
xt_LOG.c	netfilter: xt_LOG: fix mark logging for IPv6 packets	2013-05-29 12:29:18 +02:00
xt_mac.c	netfilter: Convert compare_ether_addr to ether_addr_equal	2012-05-09 20:49:18 -04:00
xt_mark.c
xt_multiport.c
xt_nat.c	netfilter: xt_nat: fix incorrect hooks for SNAT and DNAT targets	2012-10-15 13:39:12 +02:00
xt_NETMAP.c	netfilter: combine ipt_NETMAP and ip6t_NETMAP	2012-09-21 12:11:08 +02:00
xt_nfacct.c	netfilter: xtables: add nfacct match to support extended accounting	2011-12-25 02:43:17 +01:00
xt_NFLOG.c	netfilter: log: netns NULL ptr bug when calling from conntrack	2013-05-15 14:11:07 +02:00
xt_NFQUEUE.c	netfilter: xt_NFQUEUE: fix --queue-bypass regression	2013-10-29 13:05:54 +01:00
xt_osf.c	netfilter: nf_log: prepare net namespace support for loggers	2013-04-05 20:12:54 +02:00
xt_owner.c	userns: xt_owner: Add basic user namespace support.	2012-08-14 21:55:30 -07:00
xt_physdev.c
xt_pkttype.c
xt_policy.c
xt_quota.c	net: Fix files explicitly needing to include module.h	2011-10-31 19:30:28 -04:00
xt_rateest.c	net_sched: add 64bit rate estimators	2013-06-11 02:51:03 -07:00
xt_RATEEST.c	hlist: drop the node parameter from iterators	2013-02-27 19:10:24 -08:00
xt_realm.c
xt_recent.c	proc: Supply PDE attribute setting accessor functions	2013-05-01 17:29:18 -04:00
xt_REDIRECT.c	netfilter: combine ipt_REDIRECT and ip6t_REDIRECT	2012-09-21 12:12:05 +02:00
xt_repldata.h
xt_sctp.c
xt_SECMARK.c
xt_set.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2013-11-15 16:47:22 -08:00
xt_socket.c	netfilter: xt_socket: use sock_gen_put()	2013-10-17 10:27:25 +02:00
xt_state.c
xt_statistic.c	net: Fix files explicitly needing to include module.h	2011-10-31 19:30:28 -04:00
xt_string.c
xt_tcpmss.c
xt_TCPMSS.c	netfilter: xt_TCPMSS: lookup route from proper net namespace	2013-09-27 16:18:23 +02:00
xt_TCPOPTSTRIP.c	netfilter: xt_TCPOPTSTRIP: fix possible off by one access	2013-08-01 11:45:15 +02:00
xt_tcpudp.c
xt_TEE.c	net: pass info struct via netdevice notifier	2013-05-28 13:11:01 -07:00
xt_time.c	netfilter: xt_time: add support to ignore day transition	2012-09-24 14:29:01 +02:00
xt_TPROXY.c	ipv6: make lookups simpler and faster	2013-10-09 00:01:25 -04:00
xt_TRACE.c
xt_u32.c