netfilter: nf_tables: out-of-bound check in chain blob
[ Upstream commit 08e42a0d ] Add current size of rule expressions to the boundary check. Fixes: 2c865a8a ("netfilter: nf_tables: add rule blob layout") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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