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Vishwanath Pai 90c4ae4e2c netfilter: xt_hashlimit: fix build error caused by 64bit division 
64bit division causes build/link errors on 32bit architectures. It
prints out error messages like:

ERROR: "__aeabi_uldivmod" [net/netfilter/xt_hashlimit.ko] undefined!

The value of avg passed through by userspace in BYTE mode cannot exceed
U32_MAX. Which means 64bit division in user2rate_bytes is unnecessary.
To fix this I have changed the type of param 'user' to u32.

Since anything greater than U32_MAX is an invalid input we error out in
hashlimit_mt_check_common() when this is the case.

Changes in v2:
	Making return type as u32 would cause an overflow for small
	values of 'user' (for example 2, 3 etc). To avoid this I bumped up
	'r' to u64 again as well as the return type. This is OK since the
	variable that stores the result is u64. We still avoid 64bit
	division here since 'user' is u32.

Fixes: bea74641e3 ("netfilter: xt_hashlimit: add rate match mode")
Signed-off-by: Vishwanath Pai <vpai@akamai.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
 		2017-09-08 18:55:53 +02:00
..
ipset sctp: remove the typedef sctp_sctphdr_t 2017-07-01 09:08:41 -07:00
ipvs netfilter: ipvs: do not create conn for ABORT packet in sctp_conn_schedule 2017-09-08 13:40:23 +02:00
Kconfig netfilter: nf_tables: add fib expression to the netdev family 2017-07-31 19:01:40 +02:00
Makefile netfilter: nf_tables: add fib expression to the netdev family 2017-07-31 19:01:40 +02:00
core.c netfilter: core: remove erroneous warn_on 2017-09-08 18:55:52 +02:00
nf_conntrack_acct.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_amanda.c netfilter: use nf_conntrack_helpers_register when possible 2017-06-19 19:13:21 +02:00
nf_conntrack_broadcast.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_core.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-09-06 14:45:08 -07:00
nf_conntrack_ecache.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_expect.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_conntrack_extend.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_conntrack_ftp.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +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: use nf_conntrack_helpers_register when possible 2017-06-19 19:13:21 +02:00
nf_conntrack_h323_types.c
…
nf_conntrack_helper.c netfilter: expect: add and use nf_ct_expect_iterate helpers 2017-07-31 19:09:38 +02:00
nf_conntrack_irc.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_l3proto_generic.c netfilter: conntrack: place print_tuple in procfs part 2017-08-24 18:52:32 +02:00
nf_conntrack_labels.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +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: conntrack: make protocol tracker pointers const 2017-08-24 18:52:33 +02:00
nf_conntrack_pptp.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_proto.c netfilter: conntrack: make protocol tracker pointers const 2017-08-24 18:52:33 +02:00
nf_conntrack_proto_dccp.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_proto_generic.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_proto_gre.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_proto_sctp.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_proto_tcp.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_proto_udp.c netfilter: remove unused hooknum arg from packet functions 2017-09-04 13:25:18 +02:00
nf_conntrack_sane.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_seqadj.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_sip.c netfilter: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
nf_conntrack_snmp.c
…
nf_conntrack_standalone.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_conntrack_tftp.c netfilter: helpers: remove data_len usage for inkernel helpers 2017-04-19 17:55:17 +02:00
nf_conntrack_timeout.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_conntrack_timestamp.c netfilter: conntrack: mark extension structs as const 2017-04-26 09:30:22 +02:00
nf_dup_netdev.c netfilter: dup: resolve warnings about missing prototypes 2017-05-29 11:32:36 +02:00
nf_internals.h netfilter: Remove NFDEBUG() 2017-08-28 18:05:50 +02:00
nf_log.c netfilter: nf_log: don't call synchronize_rcu in nf_log_unset 2017-05-01 11:19:07 +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: nat: use keyed locks 2017-09-08 18:55:52 +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 netfilter: use IS_ENABLED() macro 2014-06-30 11:38:03 +02:00
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 sctp: remove the typedef sctp_sctphdr_t 2017-07-01 09:08:41 -07:00
nf_nat_proto_tcp.c net: Change pseudohdr argument of inet_proto_csum_replace* to be a bool 2015-08-17 21:33:06 -07:00
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 net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
nf_nat_sip.c netfilter: replace strnicmp with strncasecmp 2014-10-14 02:18:24 +02:00
nf_nat_tftp.c
…
nf_queue.c netfilter: convert hook list to an array 2017-08-28 17:44:00 +02:00
nf_sockopt.c netfilter: Remove NFDEBUG() 2017-08-28 18:05:50 +02:00
nf_synproxy_core.c tcp: switch TCP TS option (RFC 7323) to 1ms clock 2017-05-17 16:06:01 -04:00
nf_tables_api.c netfilter: nf_tables: support for recursive chain deletion 2017-09-04 17:34:55 +02:00
nf_tables_core.c netfilter: constify nf_loginfo structures 2017-08-02 14:25:59 +02:00
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: nf_tables: Allow chain name of up to 255 chars 2017-07-31 20:41:57 +02:00
nfnetlink.c netfilter: nfnetlink: Improve input length sanitization in nfnetlink_rcv 2017-07-17 13:27:46 +02:00
nfnetlink_acct.c netfilter: nfnetlink: extended ACK reporting 2017-06-19 19:38:24 +02:00
nfnetlink_cthelper.c netfilter: nfnetlink: extended ACK reporting 2017-06-19 19:38:24 +02:00
nfnetlink_cttimeout.c netfilter: conntrack: make protocol tracker pointers const 2017-08-24 18:52:33 +02:00
nfnetlink_log.c netfilter: constify nf_loginfo structures 2017-08-02 14:25:59 +02:00
nfnetlink_queue.c netfilter: nfnetlink_queue: don't queue dying conntracks to userspace 2017-07-31 19:09:39 +02:00
nft_bitwise.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
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: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_compat.c netfilter: nft_compat: check extension hook mask only if set 2017-07-19 11:53:30 +02:00
nft_counter.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_ct.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_dup_netdev.c netfilter: nf_tables: add packet duplication to the netdev family 2016-01-03 21:04:23 +01:00
nft_dynset.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf 2017-05-03 10:11:26 -04:00
nft_exthdr.c netfilter: fix a few (harmless) sparse warnings 2017-08-28 17:42:56 +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_fib_netdev.c netfilter: nf_tables: add fib expression to the netdev family 2017-07-31 19:01:40 +02:00
nft_fwd_netdev.c netfilter: add and use nf_fwd_netdev_egress 2016-12-06 21:48:22 +01:00
nft_hash.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-05-01 10:47:53 -04:00
nft_immediate.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
nft_limit.c netfilter: nft_limit: add stateful object type 2017-09-04 13:25:16 +02:00
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 select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_payload.c netfilter: fix a few (harmless) sparse warnings 2017-08-28 17:42:56 +02:00
nft_queue.c netfilter: Remove exceptional & on function name 2017-04-07 18:24:47 +02:00
nft_quota.c netfilter: nf_tables: add select_ops for stateful objects 2017-09-04 13:25:09 +02:00
nft_range.c netfilter: nf_tables: revisit chain/object refcounting from elements 2017-05-15 12:51:41 +02:00
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: rt: account for tcp header size too 2017-08-28 18:14:30 +02:00
nft_set_bitmap.c netfilter: nf_tables: pass set description to ->privsize 2017-05-29 12:46:18 +02:00
nft_set_hash.c netfilter: nft_set_hash: add lookup variant for fixed size hashtable 2017-05-29 12:46:22 +02:00
nft_set_rbtree.c netfilter: nft_set_rbtree: use seqcount to avoid lock in most cases 2017-07-31 20:41:59 +02:00
x_tables.c netfilter: use audit_log() 2017-08-19 13:09:31 +02:00
xt_AUDIT.c audit: normalize NETFILTER_PKT 2017-05-02 10:16:04 -04:00
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: conntrack: make protocol tracker pointers const 2017-08-24 18:52:33 +02:00
xt_DSCP.c netfilter: fix various sparse warnings 2014-11-13 12:14:42 +01:00
xt_HL.c
…
xt_HMARK.c netfilter: remove nf_ct_is_untracked 2017-04-15 11:51:33 +02:00
xt_IDLETIMER.c netfilter: IDLETIMER: fix race condition when destroy the target 2016-04-29 14:28:48 +02:00
xt_LED.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-08-05 18:46:26 -07:00
xt_LOG.c netfilter: x_tables: move hook state into xt_action_param structure 2016-11-03 10:56:21 +01:00
xt_NETMAP.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
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: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
xt_TCPOPTSTRIP.c net: Change pseudohdr argument of inet_proto_csum_replace* to be a bool 2015-08-17 21:33:06 -07:00
xt_TEE.c xtables: extend matches and targets with .usersize 2017-01-09 17:24:55 +01:00
xt_TPROXY.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next 2017-09-03 17:08:42 -07:00
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: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
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 netfilter: connlimit: merge root4 and root6. 2017-08-19 13:07:53 +02:00
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: xt_hashlimit: fix build error caused by 64bit division 2017-09-08 18:55:53 +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 netfilter: xt_MARK: Add ARP support 2015-05-14 13:00:27 +02:00
xt_multiport.c netfilter: xt_multiport: Fix wrong unmatch result with multiple ports 2016-12-06 21:48:20 +01:00
xt_nat.c net: Replace NF_CT_ASSERT() with WARN_ON(). 2017-09-04 13:25:19 +02:00
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: Remove duplicated rcu_read_lock. 2017-07-24 13:24:46 +02:00
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: remove unused variable 2017-07-25 12:31:37 -07:00
xt_repldata.h net: netfilter: LLVMLinux: vlais-netfilter 2014-06-07 11:44:39 -07:00
xt_sctp.c sctp: remove the typedef sctp_chunkhdr_t 2017-07-01 09:08:41 -07:00
xt_set.c netfilter: ipset: Improve skbinfo get/init helpers 2016-11-10 13:28:42 +01:00
xt_socket.c netfilter: xt_socket: Fix broken IPv6 handling 2017-04-24 20:06:29 +02:00
xt_state.c netfilter: kill the fake untracked conntrack objects 2017-04-15 11:47:57 +02:00
xt_statistic.c
…
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
…