linux/net/ipv4/netfilter
Hans Schillstrom 8cdb46da06 netfilter: log: netns NULL ptr bug when calling from conntrack
Since (69b34fb netfilter: xt_LOG: add net namespace support
for xt_LOG), we hit this:

[ 4224.708977] BUG: unable to handle kernel NULL pointer dereference at 0000000000000388
[ 4224.709074] IP: [<ffffffff8147f699>] ipt_log_packet+0x29/0x270

when callling log functions from conntrack both in and out
are NULL i.e. the net pointer is invalid.

Adding struct net *net in call to nf_logfn() will secure that
there always is a vaild net ptr.

Reported as netfilter's bugzilla bug 818:
https://bugzilla.netfilter.org/show_bug.cgi?id=818

Reported-by: Ronald <ronald645@gmail.com>
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-05-15 14:11:07 +02:00
..
arp_tables.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
arpt_mangle.c netfilter: arpt_mangle: fix return values of checkentry 2011-02-01 16:03:46 +01:00
arptable_filter.c ipv4: netfilter: use PTR_RET instead of IS_ERR + PTR_ERR 2013-03-15 11:02:14 +01:00
ip_tables.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
ipt_ah.c netfilter: xtables: change hotdrop pointer to direct modification 2010-05-11 18:35:27 +02:00
ipt_CLUSTERIP.c proc: Supply a function to remove a proc entry by PDE 2013-05-01 17:29:46 -04:00
ipt_ECN.c netfilter: xtables: substitute temporary defines by final name 2010-05-11 18:31:17 +02:00
ipt_MASQUERADE.c netfilter: ip6tables: add MASQUERADE target 2012-08-30 03:00:18 +02:00
ipt_REJECT.c netfilter: ip[6]t_REJECT: fix wrong transport header pointer in TCP reset 2012-12-16 23:27:35 +01:00
ipt_rpfilter.c netfilter: xt_rpfilter: skip locally generated broadcast/multicast, too 2013-04-19 00:11:59 +02:00
ipt_ULOG.c netfilter: log: netns NULL ptr bug when calling from conntrack 2013-05-15 14:11:07 +02:00
iptable_filter.c netfilter: remove unnecessary goto statement for error recovery 2012-08-22 19:17:38 +02:00
iptable_mangle.c netfilter: ipv4: propagate routing errors from ip_route_me_harder() 2013-04-08 12:34:00 +02:00
iptable_nat.c netfilter: nat: propagate errors from xfrm_me_harder() 2013-04-08 12:34:01 +02:00
iptable_raw.c netfilter: remove unnecessary goto statement for error recovery 2012-08-22 19:17:38 +02:00
iptable_security.c netfilter: PTR_RET can be used 2012-08-14 02:31:47 +02:00
Kconfig netfilter: xt_rpfilter: depend on raw or mangle table 2013-04-19 00:22:55 +02:00
Makefile netfilter: combine ipt_REDIRECT and ip6t_REDIRECT 2012-09-21 12:12:05 +02:00
nf_conntrack_l3proto_ipv4.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_conntrack_l3proto_ipv4_compat.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_conntrack_proto_icmp.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_defrag_ipv4.c netfilter: ipv4, defrag: switch hook PFs to nfproto 2012-06-07 14:58:42 +02:00
nf_nat_h323.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_nat_l3proto_ipv4.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_pptp.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_nat_proto_gre.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00
nf_nat_proto_icmp.c netfilter: add protocol independent NAT core 2012-08-30 03:00:14 +02:00
nf_nat_snmp_basic.c netfilter: add my copyright statements 2013-04-18 20:27:55 +02:00