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Julian Anastasov 5fcf0cf607 ipvs: reduce stack usage for sockopt data 
Use union to reserve the required stack space for sockopt data
which is less than the currently hardcoded value of 128.
Now the tables for commands should be more readable.
The checks added for readability are optimized by compiler,
others warn at compile time if command uses too much
stack or exceeds the storage of set_arglen and get_arglen.

As Dan Carpenter points out, we can run for unprivileged user,
so we can silent some error messages.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
CC: Dan Carpenter <dan.carpenter@oracle.com>
CC: Andrey Utkin <andrey.krieger.utkin@gmail.com>
CC: David Binderman <dcb314@hotmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2014-09-09 16:31:24 +02:00
..
ipset
netfilter: ipset: Fix warn: integer overflows 'sizeof(*map) + size * set->dsize'
2014-08-24 19:33:10 +02:00
ipvs
ipvs: reduce stack usage for sockopt data
2014-09-09 16:31:24 +02:00
core.c
netfilter: don't use mutex_lock_interruptible()
2014-08-08 16:47:23 +02:00
Kconfig
netfilter: fix several Kconfig problems in NF_LOG_*
2014-06-28 18:49:49 +02:00
Makefile
netfilter: log: split family specific code to nf_log_{ip,ip6,common}.c files
2014-06-27 13:19:59 +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: conntrack: remove timer from ecache extension
2014-06-25 19:15:38 +02:00
nf_conntrack_ecache.c
netfilter: conntrack: remove timer from ecache extension
2014-06-25 19:15:38 +02:00
nf_conntrack_expect.c
netfilter: conntrack: seperate expect locking from nf_conntrack_lock
2014-03-07 11:41:01 +01:00
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: conntrack: seperate expect locking from nf_conntrack_lock
2014-03-07 11:41:01 +01:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c
netfilter: conntrack: remove central spinlock nf_conntrack_lock
2014-03-07 11:41:13 +01:00
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
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2014-07-20 21:01:43 -07:00
nf_conntrack_pptp.c
netfilter: nf_conntrack: flush net_gre->keymap_list only from gre helper
2014-04-08 10:56:12 +02:00
nf_conntrack_proto_dccp.c
netfilter: nf_conntrack_dccp: fix skb_header_pointer API usages
2014-01-06 17:40:02 +01:00
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: nf_conntrack: flush net_gre->keymap_list only from gre helper
2014-04-08 10:56:12 +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: remove dead code
2014-01-03 23:41:37 +01:00
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: only warn once on wrong seqadj usage
2014-01-06 14:23:17 +01:00
nf_conntrack_sip.c
netfilter: conntrack: seperate expect locking from nf_conntrack_lock
2014-03-07 11:41:01 +01:00
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_common.c
netfilter: log: split family specific code to nf_log_{ip,ip6,common}.c files
2014-06-27 13:19:59 +02:00
nf_log.c
netfilter: bridge: add generic packet logger
2014-06-27 13:20:47 +02:00
nf_nat_amanda.c
netfilter: add my copyright statements
2013-04-18 20:27:55 +02:00
nf_nat_core.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next
2014-07-20 21:01:43 -07:00
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_nat: fix access to uninitialized buffer in IRC NAT helper
2014-01-06 14:17:17 +01:00
nf_nat_proto_common.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +02:00
nf_nat_proto_dccp.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +02:00
nf_nat_proto_sctp.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +02:00
nf_nat_proto_tcp.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +02:00
nf_nat_proto_udp.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +02:00
nf_nat_proto_udplite.c
netfilter: use IS_ENABLED() macro
2014-06-30 11:38:03 +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
netfilter: don't use mutex_lock_interruptible()
2014-08-08 16:47:23 +02:00
nf_synproxy_core.c
netfilter: nf_conntrack: don't release a conntrack with non-zero refcnt
2014-02-05 17:46:06 +01:00
nf_tables_api.c
netfilter: nf_tables: rename nf_table_delrule_by_chain()
2014-09-09 16:31:22 +02:00
nf_tables_core.c
netfilter: nf_tables: 64bit stats need some extra synchronization
2014-07-14 12:00:17 +02:00
nf_tables_inet.c
netfilter: nf_tables: fix error path in the init functions
2014-01-09 23:25:48 +01:00
nfnetlink_acct.c
netfilter: nfnetlink_acct: add filter support to nfacct counter list/reset
2014-08-26 21:36:19 +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: log: nf_log_packet() as real unified interface
2014-06-27 13:20:13 +02:00
nfnetlink_queue_core.c
core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errors
2014-03-27 15:29:38 -04:00
nfnetlink_queue_ct.c
netfilter: nf_conntrack: make sequence number adjustments usuable without NAT
2013-08-28 00:26:48 +02:00
nfnetlink.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-05-12 13:19:14 -04:00
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: fix nft_cmp_fast failure on big endian for size < 4
2014-04-14 10:38:02 +02:00
nft_compat.c
netfilter: nft_compat: call {target, match}->destroy() to cleanup entry
2014-06-16 13:08:04 +02:00
nft_counter.c
netfilter: nf_tables: expression ops overloading
2013-10-14 17:16:08 +02:00
nft_ct.c
netfilter: nft_ct: split nft_ct_init() into two functions for get/set
2014-04-02 21:29:45 +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
nftables: Convert nft_hash to use generic rhashtable
2014-08-02 19:49:38 -07:00
nft_immediate.c
netfilter: nf_tables: restore context for expression destructors
2014-03-08 12:35:17 +01:00
nft_limit.c
netfilter: nf_tables: expression ops overloading
2013-10-14 17:16:08 +02:00
nft_log.c
netfilter: nft_log: fix coccinelle warnings
2014-06-29 13:55:08 +02:00
nft_lookup.c
netfilter: nf_tables: use new transaction infrastructure to handle sets
2014-05-19 12:06:10 +02:00
nft_meta.c
netfilter: nf_tables: add devgroup support in meta expresion
2014-09-09 16:31:23 +02:00
nft_nat.c
netfilter: nft_nat: don't dump port information if unset
2014-06-16 13:08:14 +02:00
nft_payload.c
netfilter: nf_tables: check if payload length is a power of 2
2014-02-17 11:21:17 +01:00
nft_queue.c
netfilter: nf_tables: fix log/queue expressions for NFPROTO_INET
2014-02-06 11:41:38 +01:00
nft_rbtree.c
netfilter: nft_rbtree: introduce locking
2014-06-02 10:54:31 +02:00
nft_reject_inet.c
netfilter: nft_reject_inet: fix unintended fall-through in switch-statatement
2014-02-14 11:37:33 +01:00
nft_reject.c
netfilter: nft_reject: split up reject module into IPv4 and IPv6 specifc parts
2014-02-06 09:44:10 +01:00
x_tables.c
netfilter: don't use mutex_lock_interruptible()
2014-08-08 16:47:23 +02:00
xt_addrtype.c
netfilter: xt_addrtype: fix trivial typo
2013-07-31 16:36:25 +02:00
xt_AUDIT.c
netfilter: Convert uses of __constant_<foo> to <foo>
2014-03-13 14:13:19 +01:00
xt_bpf.c
net: filter: split 'struct sk_filter' into socket and bpf parts
2014-08-02 15:03:58 -07:00
xt_cgroup.c
netfilter: x_tables: allow to use cgroup match for LOCAL_IN nf hooks
2014-04-03 23:52:17 +02:00
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
netfilter: connlimit: move lock array out of struct connlimit_data
2014-04-03 23:52:13 +02:00
xt_connmark.c
netfilter: Fix FSF address in file headers
2013-12-06 12:37:57 -05:00
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: nf_conntrack: don't release a conntrack with non-zero refcnt
2014-02-05 17:46:06 +01:00
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: perform garbage collection from process context
2014-07-24 13:07:25 +02:00
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_ipcomp.c
netfilter: xt_ipcomp: Use ntohs to ease sparse warning
2014-02-19 11:41:25 +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_l2tp.c
netfilter: introduce l2tp match extension
2014-01-09 21:36:39 +01:00
xt_LED.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2014-08-05 18:46:26 -07:00
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: add missing string format in nf_log_packet()
2014-06-28 18:50:35 +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: nfnetlink_acct: Adding quota support to accounting framework
2014-04-29 18:25:14 +02:00
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: separate reusable code
2013-12-07 23:20:45 +01:00
xt_osf.c
netfilter: Add {ipt,ip6t}_osf aliases for xt_osf
2014-04-03 23:52:22 +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
Revert "netfilter: avoid get_random_bytes calls"
2014-01-06 14:00:55 +01:00
xt_realm.c
…
xt_recent.c
net: use the new API kvfree()
2014-06-05 00:49:51 -07:00
xt_REDIRECT.c
netfilter: combine ipt_REDIRECT and ip6t_REDIRECT
2012-09-21 12:12:05 +02:00
xt_repldata.h
net: netfilter: LLVMLinux: vlais-netfilter
2014-06-07 11:44:39 -07:00
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: replace macros net_random and net_srandom with direct calls to prandom
2014-01-14 15:15:25 -08:00
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
…