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path: root/net/netfilter/nf_conntrack_proto_icmp.c
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2018-09-11netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUTPablo Neira Ayuso
Now that cttimeout support for nft_ct is in place, these should depend on CONFIG_NF_CONNTRACK_TIMEOUT otherwise we can crash when dumping the policy if this option is not enabled. [ 71.600121] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [...] [ 71.600141] CPU: 3 PID: 7612 Comm: nft Not tainted 4.18.0+ #246 [...] [ 71.600188] Call Trace: [ 71.600201] ? nft_ct_timeout_obj_dump+0xc6/0xf0 [nft_ct] Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2018-07-17netfilter: conntrack: remove l3proto abstractionFlorian Westphal
This unifies ipv4 and ipv6 protocol trackers and removes the l3proto abstraction. This gets rid of all l3proto indirect calls and the need to do a lookup on the function to call for l3 demux. It increases module size by only a small amount (12kbyte), so this reduces size because nf_conntrack.ko is useless without either nf_conntrack_ipv4 or nf_conntrack_ipv6 module. before: text data bss dec hex filename 7357 1088 0 8445 20fd nf_conntrack_ipv4.ko 7405 1084 4 8493 212d nf_conntrack_ipv6.ko 72614 13689 236 86539 1520b nf_conntrack.ko 19K nf_conntrack_ipv4.ko 19K nf_conntrack_ipv6.ko 179K nf_conntrack.ko after: text data bss dec hex filename 79277 13937 236 93450 16d0a nf_conntrack.ko 191K nf_conntrack.ko Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>