netfilter: x_tables: cap allocations at 512 mbyte

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commit 19926968ea upstream.

Arbitrary limit, however, this still allows huge rulesets
(> 1 million rules).  This helps with automated fuzzer as it prevents
oom-killer invocation.

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 2018-02-27 19:42:31 +01:00 • committed by Greg Kroah-Hartman

parent 89f3232c39

commit fab0b3ce67

1 changed files with 2 additions and 1 deletions

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net/netfilter/x_tables.c

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