[ Upstream commit e29630247be24c3987e2b048f8e152771b32d38b ] secmark context is artificially limited 256 bytes, rise it to 4Kbytes. Fixes: fb961945457f ("netfilter: nf_tables: add SECMARK support") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Sasha Levin <sashal@kernel.org>