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netfilter: nf_tables: disallow anonymous set with timeout flag
commit16603605b6
upstream. Anonymous sets are never used with timeout from userspace, reject this. Exception to this rule is NFT_SET_EVAL to ensure legacy meters still work. Cc: stable@vger.kernel.org Fixes:761da2935d
("netfilter: nf_tables: add set timeout API support") Reported-by: lonial con <kongln9170@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -3560,6 +3560,9 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk,
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if ((flags & (NFT_SET_EVAL | NFT_SET_OBJECT)) ==
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(NFT_SET_EVAL | NFT_SET_OBJECT))
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return -EOPNOTSUPP;
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if ((flags & (NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT | NFT_SET_EVAL)) ==
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(NFT_SET_ANONYMOUS | NFT_SET_TIMEOUT))
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return -EOPNOTSUPP;
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}
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dtype = 0;
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