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Patrick McHardy e3b802ba88 netfilter: nf_conntrack_irc: make sure string is terminated before calling simple_strtoul 
Alexey Dobriyan points out:

1. simple_strtoul() silently accepts all characters for given base even
   if result won't fit into unsigned long. This is amazing stupidity in
   itself, but

2. nf_conntrack_irc helper use simple_strtoul() for DCC request parsing.
   Data first copied into 64KB buffer, so theoretically nothing prevents
   reading past the end of it, since data comes from network given 1).

This is not actually a problem currently since we're guaranteed to have
a 0 byte in skb_shared_info or in the buffer the data is copied to, but
to make this more robust, make sure the string is actually terminated.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-09-07 18:21:24 -07:00
..
core.c [NET] NETNS: Omit net_device->nd_net without CONFIG_NET_NS. 2008-03-26 04:39:53 +09:00
Kconfig netfilter: accounting rework: ct_extend + 64bit counters (v4) 2008-07-21 10:10:58 -07:00
Makefile netfilter: accounting rework: ct_extend + 64bit counters (v4) 2008-07-21 10:10:58 -07:00
nf_conntrack_acct.c netfilter: accounting rework: ct_extend + 64bit counters (v4) 2008-07-21 10:10:58 -07:00
nf_conntrack_amanda.c [NETFILTER]: nf_conntrack: add tuplehash l3num/protonum accessors 2008-04-14 11:15:52 +02:00
nf_conntrack_core.c netfilter: fix two recent sysctl problems 2008-08-06 02:35:44 -07:00
nf_conntrack_ecache.c [NETFILTER]: nf_conntrack_expect: function naming unification 2007-07-10 22:17:53 -07:00
nf_conntrack_expect.c netfilter: nf_conntrack_expect: fix error path unwind in nf_conntrack_expect_init() 2008-05-29 03:19:37 -07:00
nf_conntrack_extend.c netfilter: nf_conntrack_extend: avoid unnecessary "ct->ext" dereferences 2008-07-26 17:50:05 -07:00
nf_conntrack_ftp.c [NETFILTER]: nf_conntrack: add tuplehash l3num/protonum accessors 2008-04-14 11:15:52 +02:00
nf_conntrack_h323_asn1.c [NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper 2008-01-31 19:28:07 -08:00
nf_conntrack_h323_main.c netfilter: nf_conntrack_h323: fix module unload crash 2008-06-17 15:52:32 -07:00
nf_conntrack_h323_types.c [NETFILTER]: nf_conntrack_h323: constify and annotate H.323 helper 2008-01-31 19:28:07 -08:00
nf_conntrack_helper.c rcu: fix nf_conntrack_helper.c build bug 2008-05-22 10:08:38 +02:00
nf_conntrack_irc.c netfilter: nf_conntrack_irc: make sure string is terminated before calling simple_strtoul 2008-09-07 18:21:24 -07:00
nf_conntrack_l3proto_generic.c [NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l3proto 2008-04-14 11:15:52 +02:00
nf_conntrack_netbios_ns.c [NETFILTER]: nf_conntrack: introduce expectation classes and policies 2008-03-25 20:09:15 -07:00
nf_conntrack_netlink.c netfilter: ctnetlink: sleepable allocation with spin lock bh 2008-08-18 21:31:46 -07:00
nf_conntrack_pptp.c [NETFILTER]: nf_conntrack: replace NF_CT_DUMP_TUPLE macro indrection by function call 2008-04-14 11:15:54 +02:00
nf_conntrack_proto.c [NETFILTER]: nf_conntrack: add tuplehash l3num/protonum accessors 2008-04-14 11:15:52 +02:00
nf_conntrack_proto_dccp.c netfilter: nf_conntrack: properly account terminating packets 2008-06-09 15:59:40 -07:00
nf_conntrack_proto_generic.c [NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l4proto 2008-04-14 11:15:53 +02:00
nf_conntrack_proto_gre.c netfilter: nf_conntrack_gre: nf_ct_gre_keymap_flush() fixlet 2008-09-07 18:20:36 -07:00
nf_conntrack_proto_sctp.c netfilter: nf_conntrack_sctp: fix sparse warnings 2008-07-21 10:11:02 -07:00
nf_conntrack_proto_tcp.c netfilter: nf_conntrack_tcp: decrease timeouts while data in unacknowledged 2008-07-31 00:38:01 -07:00
nf_conntrack_proto_udp.c [NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l4proto 2008-04-14 11:15:53 +02:00
nf_conntrack_proto_udplite.c [NETFILTER]: nf_conntrack: use bool type in struct nf_conntrack_l4proto 2008-04-14 11:15:53 +02:00
nf_conntrack_sane.c [NETFILTER]: nf_conntrack: replace NF_CT_DUMP_TUPLE macro indrection by function call 2008-04-14 11:15:54 +02:00
nf_conntrack_sip.c netfilter: nf_conntrack_sip: de-static helper pointers 2008-09-07 18:19:25 -07:00
nf_conntrack_standalone.c netfilter: fix two recent sysctl problems 2008-08-06 02:35:44 -07:00
nf_conntrack_tftp.c [NETFILTER]: nf_conntrack: replace NF_CT_DUMP_TUPLE macro indrection by function call 2008-04-14 11:15:54 +02:00
nf_internals.h [NETFILTER]: Replace sk_buff ** with sk_buff * 2007-10-15 12:26:29 -07:00
nf_log.c netfilter: Make nflog quiet when no one listen in userspace. 2008-06-11 17:50:27 -07:00
nf_queue.c Remove duplicated unlikely() in IS_ERR() 2008-04-29 08:06:25 -07:00
nf_sockopt.c netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
nfnetlink.c [NETNS]: Consolidate kernel netlink socket destruction. 2008-01-28 15:08:07 -08:00
nfnetlink_log.c netfilter: nfnetlink_log: send complete hardware header 2008-07-21 10:11:00 -07:00
nfnetlink_queue.c netns: Use net_eq() to compare net-namespaces for optimization. 2008-07-19 22:34:43 -07:00
x_tables.c netfilter: assign PDE->data before gluing PDE into /proc tree 2008-05-02 04:11:52 -07:00
xt_CLASSIFY.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_comment.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_connbytes.c netfilter: accounting rework: ct_extend + 64bit counters (v4) 2008-07-21 10:10:58 -07:00
xt_connlimit.c netfilter: xt_connlimit: fix accouning when receive RST packet in ESTABLISHED state 2008-06-04 09:57:51 -07:00
xt_CONNMARK.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_connmark.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_CONNSECMARK.c netfilter: ip_tables: add iptables security table for mandatory access control rules 2008-06-09 15:57:24 -07:00
xt_conntrack.c [NETFILTER]: nf_conntrack: add tuplehash l3num/protonum accessors 2008-04-14 11:15:52 +02:00
xt_dccp.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_dscp.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_DSCP.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_esp.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_hashlimit.c netfilter: xt_hashlimit: fix race between htable_destroy and htable_gc 2008-07-31 00:38:52 -07:00
xt_helper.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_iprange.c netfilter: xt_iprange: module aliases for xt_iprange 2008-05-13 23:27:48 -07:00
xt_length.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_limit.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_mac.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_MARK.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_mark.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_multiport.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_NFLOG.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_NFQUEUE.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_NOTRACK.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_owner.c [NETFILTER]: xt_owner: allow matching UID/GID ranges 2008-01-31 19:27:43 -08:00
xt_physdev.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_pkttype.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_policy.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_quota.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_RATEEST.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_rateest.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_realm.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_sctp.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_SECMARK.c netfilter: ip_tables: add iptables security table for mandatory access control rules 2008-06-09 15:57:24 -07:00
xt_state.c [NETFILTER]: x_tables: use %u format specifiers 2008-01-28 14:59:07 -08:00
xt_statistic.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_string.c netfilter: fix string extension for case insensitive pattern matching 2008-07-08 02:38:56 -07:00
xt_TCPMSS.c netfilter: xt_TCPMSS: collapse tcpmss_reverse_mtu{4,6} into one function 2008-07-21 10:11:01 -07:00
xt_tcpmss.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_TCPOPTSTRIP.c netfilter: xt_TCPOPTSTRIP: signed tcphoff for ipv6_skip_exthdr() retval 2008-04-29 03:15:10 -07:00
xt_tcpudp.c [NETFILTER]: annotate xtables targets with const and remove casts 2008-04-14 09:56:05 +02:00
xt_time.c netfilter: xt_time: fix time's time_mt()'s use of do_div() 2008-07-21 10:10:59 -07:00
xt_TRACE.c [NETFILTER]: Update modules' descriptions 2008-01-28 15:02:26 -08:00
xt_u32.c [NETFILTER]: xt_u32: drop the actually unused variable from u32_match_it 2008-02-19 17:18:20 -08:00