netfilter: nft_limit: do not ignore unsupported flags

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[ Upstream commit 91a139cee1 ]

Bail out if userspace provides unsupported flags, otherwise future
extensions to the limit expression will be silently ignored by the
kernel.

Fixes: c7862a5f0d ("netfilter: nft_limit: allow to invert matching criteria")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Pablo Neira Ayuso 2024-01-10 00:42:37 +01:00 • committed by Greg Kroah-Hartman

parent f00f11aae1

commit dfa01315c3

1 changed files with 12 additions and 7 deletions

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net/netfilter/nft_limit.c

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