netfilter: x_tables: add counters allocation wrapper

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allows to have size checks in a single spot.
This is supposed to reduce oom situations when fuzz-testing xtables.

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

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Florian Westphal 2018-02-27 19:42:33 +01:00 • committed by Pablo Neira Ayuso

parent 9d5c12a7c0

commit c84ca954ac

5 changed files with 19 additions and 3 deletions

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1

include/linux/netfilter/x_tables.h

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2

net/ipv4/netfilter/arp_tables.c

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2

net/ipv4/netfilter/ip_tables.c

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2

net/ipv6/netfilter/ip6_tables.c

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15

net/netfilter/x_tables.c

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