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Florian Westphal 157ffffeb5 netfilter: nfnetlink_cthelper: reject too large userspace allocation requests 
Userspace should not abuse the kernel to store large amounts of data,
reject requests larger than the private area can accommodate.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
 		2017-04-19 17:55:17 +02:00
..
ipset ipset: remove unused function __ip_set_get_netlink 2017-04-15 10:24:41 +02:00
ipvs netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
Kconfig netfilter: nft_exthdr: add TCP option matching 2017-02-08 14:17:09 +01:00
Makefile netfilter: nf_tables: add bitmap set type 2017-02-08 14:16:21 +01:00
core.c netfilter: merge ctinfo into nfct pointer storage area 2017-02-02 14:31:56 +01:00
nf_conntrack_acct.c
…
nf_conntrack_amanda.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_broadcast.c
…
nf_conntrack_core.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
nf_conntrack_ecache.c netfilter: ecache: Refine the nf_ct_deliver_cached_events 2017-04-15 11:43:49 +02:00
nf_conntrack_expect.c netfilter: Use seq_puts()/seq_putc() where possible 2017-04-07 17:29:21 +02:00
nf_conntrack_extend.c netfilter: nf_ct_ext: fix possible panic after nf_ct_extend_unregister 2017-03-27 13:47:29 +02:00
nf_conntrack_ftp.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_h323_asn1.c netfilter: nf_conntrack_h323: fix off-by-one in DecodeQ931 2016-07-11 12:32:45 +02:00
nf_conntrack_h323_main.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: nf_ct_expect: Add nf_ct_remove_expect() 2017-04-06 18:39:40 +02:00
nf_conntrack_irc.c netfilter: expect: Make sure the max_expected limit is effective 2017-04-06 18:32:16 +02:00
nf_conntrack_l3proto_generic.c
…
nf_conntrack_labels.c netfilter: connlabels: move set helper to xt_connlabel 2016-07-22 17:05:10 +02:00
nf_conntrack_netbios_ns.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_netlink.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
nf_conntrack_pptp.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_proto.c netfilter: nf_conntrack: remove double assignment 2017-04-14 01:54:23 +02:00
nf_conntrack_proto_dccp.c netfilter: conntrack: no need to pass ctinfo to error handler 2017-02-02 14:31:51 +01:00
nf_conntrack_proto_generic.c netfilter: remove ip_conntrack* sysctl compat code 2016-08-13 13:27:13 +02:00
nf_conntrack_proto_gre.c netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
nf_conntrack_proto_sctp.c netfilter: conntrack: no need to pass ctinfo to error handler 2017-02-02 14:31:51 +01:00
nf_conntrack_proto_tcp.c netfilter: conntrack: no need to pass ctinfo to error handler 2017-02-02 14:31:51 +01:00
nf_conntrack_proto_udp.c netfilter: conntrack: no need to pass ctinfo to error handler 2017-02-02 14:31:51 +01:00
nf_conntrack_sane.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_seqadj.c netfilter: seqadj: Fix the wrong ack adjust for the RST packet without ack 2016-09-25 14:54:01 +02:00
nf_conntrack_sip.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c netfilter: Use seq_puts()/seq_putc() where possible 2017-04-07 17:29:21 +02:00
nf_conntrack_tftp.c netfilter: helper: add build-time asserts for helper data size 2017-04-19 17:55:16 +02:00
nf_conntrack_timeout.c
…
nf_conntrack_timestamp.c
…
nf_dup_netdev.c netfilter: add and use nf_fwd_netdev_egress 2016-12-06 21:48:22 +01:00
nf_internals.h netfilter: merge nf_iterate() into nf_hook_slow() 2016-11-03 11:52:59 +01:00
nf_log.c netfilter: Use seq_puts()/seq_putc() where possible 2017-04-07 17:29:21 +02:00
nf_log_common.c netfilter: nf_log: do not assume ethernet header in netdev family 2016-12-04 20:45:33 +01:00
nf_log_netdev.c netfilter: nf_log: do not assume ethernet header in netdev family 2016-12-04 20:45:33 +01:00
nf_nat_amanda.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_core.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
nf_nat_ftp.c
…
nf_nat_helper.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_irc.c netfilter: nat: nf_nat_mangle_{udp,tcp}_packet returns boolean 2017-04-06 22:01:38 +02:00
nf_nat_proto_common.c
…
nf_nat_proto_dccp.c netfilter: built-in NAT support for DCCP 2016-12-04 20:45:30 +01:00
nf_nat_proto_sctp.c netfilter: nf_nat_sctp: fix ICMP packet to be dropped accidently 2017-03-08 18:04:06 +01:00
nf_nat_proto_tcp.c
…
nf_nat_proto_udp.c netfilter: nat: merge udp and udplite helpers 2017-01-03 14:33:25 +01:00
nf_nat_proto_unknown.c
…
nf_nat_redirect.c
…
nf_nat_sip.c
…
nf_nat_tftp.c
…
nf_queue.c netfilter: introduce accessor functions for hook entries 2016-12-06 21:42:15 +01:00
nf_sockopt.c
…
nf_synproxy_core.c netfilter: Use seq_puts()/seq_putc() where possible 2017-04-07 17:29:21 +02:00
nf_tables_api.c netfilter: nf_tables: remove double return statement 2017-04-14 01:54:19 +02:00
nf_tables_core.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nf_tables_inet.c netfilter: Add the missed return value check of nft_register_chain_type 2016-09-12 19:54:45 +02:00
nf_tables_netdev.c netfilter: nf_tables: add nft_is_base_chain() helper 2017-04-06 18:32:04 +02:00
nf_tables_trace.c netfilter: Add nfnl_msg_type() helper function 2017-04-07 16:31:36 +02:00
nfnetlink.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nfnetlink_acct.c netfilter: Add nfnl_msg_type() helper function 2017-04-07 16:31:36 +02:00
nfnetlink_cthelper.c netfilter: nfnetlink_cthelper: reject too large userspace allocation requests 2017-04-19 17:55:17 +02:00
nfnetlink_cttimeout.c netfilter: Add nfnl_msg_type() helper function 2017-04-07 16:31:36 +02:00
nfnetlink_log.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nfnetlink_queue.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_bitwise.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_byteorder.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_cmp.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_compat.c netfilter: Add nfnl_msg_type() helper function 2017-04-07 16:31:36 +02:00
nft_counter.c netfilter: provide nft_ctx in object init function 2017-03-13 13:42:00 +01:00
nft_ct.c netfilter: nft_ct: allow to set ctnetlink event types of a connection 2017-04-19 17:55:16 +02:00
nft_dup_netdev.c
…
nft_dynset.c netfilter: nf_tables: add nft_set_lookup() 2017-03-06 18:23:23 +01:00
nft_exthdr.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_fib.c netfilter: nft_fib: Support existence check 2017-03-13 13:45:36 +01:00
nft_fib_inet.c netfilter: nf_tables: use hook state from xt_action_param structure 2016-11-03 11:52:34 +01:00
nft_fwd_netdev.c netfilter: add and use nf_fwd_netdev_egress 2016-12-06 21:48:22 +01:00
nft_hash.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_immediate.c netfilter: nf_tables: simplify the basic expressions' init routine 2016-11-09 23:42:23 +01:00
nft_limit.c netfilter: limit: use per-rule spinlock to improve the scalability 2017-03-13 19:30:31 +01:00
nft_log.c netfilter: nft_log: restrict the log prefix length to 127 2017-01-24 21:46:29 +01:00
nft_lookup.c netfilter: nf_tables: add nft_set_lookup() 2017-03-06 18:23:23 +01:00
nft_masq.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_meta.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_nat.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2017-03-23 16:41:27 -07:00
nft_numgen.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_objref.c netfilter: nf_tables: add nft_set_lookup() 2017-03-06 18:23:23 +01:00
nft_payload.c netfilter: nft_payload: mangle ckecksum if NFT_PAYLOAD_L4CSUM_PSEUDOHDR is set 2016-12-14 23:39:11 +01:00
nft_queue.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_quota.c netfilter: provide nft_ctx in object init function 2017-03-13 13:42:00 +01:00
nft_range.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2016-12-03 12:29:53 -05:00
nft_redir.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_reject.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_reject_inet.c netfilter: nf_tables: validate the expr explicitly after init successfully 2017-03-06 18:22:12 +01:00
nft_rt.c netfilter: nf_tables: use hook state from xt_action_param structure 2016-11-03 11:52:34 +01:00
nft_set_bitmap.c netfilter: nft_set_bitmap: keep a list of dummy elements 2017-03-13 13:34:21 +01:00
nft_set_hash.c netfilter: Remove unnecessary cast on void pointer 2017-04-07 17:29:17 +02:00
nft_set_rbtree.c netfilter: nft_set_rbtree: use per-set rwlock to improve the scalability 2017-03-13 19:30:43 +01:00
x_tables.c scripts/spelling.txt: add "aligment" pattern and fix typo instances 2017-02-27 18:43:46 -08:00
xt_AUDIT.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_CHECKSUM.c
…
xt_CLASSIFY.c
…
xt_CONNSECMARK.c netfilter: add and use nf_ct_netns_get/put 2016-12-04 21:16:50 +01:00
xt_CT.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
xt_DSCP.c
…
xt_HL.c
…
xt_HMARK.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_IDLETIMER.c
…
xt_LED.c
…
xt_LOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NETMAP.c netfilter: nat: add dependencies on conntrack module 2016-12-04 21:16:51 +01:00
xt_NFLOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NFQUEUE.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_RATEEST.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_REDIRECT.c netfilter: nat: add dependencies on conntrack module 2016-12-04 21:16:51 +01:00
xt_SECMARK.c
…
xt_TCPMSS.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_TCPOPTSTRIP.c
…
xt_TEE.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_TPROXY.c netfilter: defrag: only register defrag functionality if needed 2016-12-06 21:42:00 +01:00
xt_TRACE.c netfilter: xt_TRACE: add explicitly nf_logger_find_get call 2016-06-23 13:26:49 +02:00
xt_addrtype.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_bpf.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_cgroup.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_cluster.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_comment.c
…
xt_connbytes.c netfilter: add and use nf_ct_netns_get/put 2016-12-04 21:16:50 +01:00
xt_connlabel.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_connlimit.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_connmark.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_conntrack.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
xt_cpu.c
…
xt_dccp.c
…
xt_devgroup.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_dscp.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_ecn.c
…
xt_esp.c
…
xt_hashlimit.c netfilter: Remove unnecessary cast on void pointer 2017-04-07 17:29:17 +02:00
xt_helper.c netfilter: add and use nf_ct_netns_get/put 2016-12-04 21:16:50 +01:00
xt_hl.c
…
xt_ipcomp.c netfilter: xt_ipcomp: add "ip[6]t_ipcomp" module alias name 2016-10-17 17:38:19 +02:00
xt_iprange.c
…
xt_ipvs.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_l2tp.c
…
xt_length.c
…
xt_limit.c netfilter: limit: use per-rule spinlock to improve the scalability 2017-03-13 19:30:31 +01:00
xt_mac.c
…
xt_mark.c
…
xt_multiport.c netfilter: xt_multiport: Fix wrong unmatch result with multiple ports 2016-12-06 21:48:20 +01:00
xt_nat.c netfilter: nat: add dependencies on conntrack module 2016-12-04 21:16:51 +01:00
xt_nfacct.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_osf.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_owner.c sched/headers: Prepare to remove <linux/cred.h> inclusion from <linux/sched.h> 2017-03-02 08:42:31 +01:00
xt_physdev.c netfilter: physdev: add missed blank 2016-08-12 00:42:14 +02:00
xt_pkttype.c netfilter: pkttype: unnecessary to check ipv6 multicast address 2017-01-18 20:32:43 +01:00
xt_policy.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_quota.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_rateest.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_realm.c
…
xt_recent.c netfilter: Use seq_puts()/seq_putc() where possible 2017-04-07 17:29:21 +02:00
xt_repldata.h
…
xt_sctp.c sctp: rename WORD_TRUNC/ROUND macros 2016-09-22 03:13:26 -04:00
xt_set.c netfilter: ipset: Improve skbinfo get/init helpers 2016-11-10 13:28:42 +01:00
xt_socket.c netfilter: defrag: only register defrag functionality if needed 2016-12-06 21:42:00 +01:00
xt_state.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
xt_statistic.c
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xt_string.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_tcpmss.c
…
xt_tcpudp.c netfilter: Convert FWINV<[foo]> macros and uses to NF_INVF 2016-07-03 10:55:07 +02:00
xt_time.c ktime: Get rid of the union 2016-12-25 17:21:22 +01:00
xt_u32.c
…