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netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag
authorPablo Neira Ayuso <pablo@netfilter.org>
Fri, 12 Aug 2022 14:19:23 +0000 (16:19 +0200)
committerPablo Neira Ayuso <pablo@netfilter.org>
Fri, 12 Aug 2022 14:32:16 +0000 (16:32 +0200)
commit5a2f3dc31811e93be15522d9eb13ed61460b76c8
treed4a87abe570218f1278f5b07c40b9460abda1975tree
parent271c5ca826e0c3c53e0eb4032f8eaedea1ee391ccommit | diff
netfilter: nf_tables: validate NFTA_SET_ELEM_OBJREF based on NFT_SET_OBJECT flag

If the NFTA_SET_ELEM_OBJREF netlink attribute is present and
NFT_SET_OBJECT flag is set on, report EINVAL.

Move existing sanity check earlier to validate that NFT_SET_OBJECT
requires NFTA_SET_ELEM_OBJREF.

Fixes: 8aeff920dcc9 ("netfilter: nf_tables: add stateful object reference to set elements")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
net/netfilter/nf_tables_api.c diff | blob | history
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