netfilter: nf_tables: disallow jump to implicit chain from set element

stable inclusion
from stable-v5.10.140
commit 6301a73bd83d94b9b3eab8581adb04e40fb5f079
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I63FTT

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=6301a73bd83d94b9b3eab8581adb04e40fb5f079



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[ Upstream commit f323ef3a ]

Extend struct nft_data_desc to add a flag field that specifies
nft_data_init() is being called for set element data.

Use it to disallow jump to implicit chain from set element, only jump
to chain via immediate expression is allowed.

Fixes: d0e2c7de ("netfilter: nf_tables: add NFT_CHAIN_BINDING")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

 Conflicts:
	net/netfilter/nf_tables_api.c
Reviewed-by: Wei Li <liwei391@huawei.com>