netfilter: x_tables: add compat version of xt_check_entry_offsets

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commit fc1221b3a1 upstream.

32bit rulesets have different layout and alignment requirements, so once
more integrity checks get added to xt_check_entry_offsets it will reject
well-formed 32bit rulesets.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Florian Westphal 2016-04-01 14:17:26 +02:00 • committed by Greg Kroah-Hartman

parent ed30e07de0

commit 2985d199e7

5 changed files with 31 additions and 3 deletions

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3

include/linux/netfilter/x_tables.h

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3

net/ipv4/netfilter/arp_tables.c

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3

net/ipv4/netfilter/ip_tables.c

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3

net/ipv6/netfilter/ip6_tables.c

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22

net/netfilter/x_tables.c

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