Patch "netfilter: nf_tables: disallow updates of anonymous sets" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    netfilter: nf_tables: disallow updates of anonymous sets

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     netfilter-nf_tables-disallow-updates-of-anonymous-se.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit fbb3f4e93cf7d776976b7d2bc7491f0178d02701
Author: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Date:   Fri Jun 16 15:22:01 2023 +0200

    netfilter: nf_tables: disallow updates of anonymous sets
    
    [ Upstream commit b770283c98e0eee9133c47bc03b6cc625dc94723 ]
    
    Disallow updates of set timeout and garbage collection parameters for
    anonymous sets.
    
    Fixes: 123b99619cca ("netfilter: nf_tables: honor set timeout and garbage collection updates")
    Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 984720964a498..7f71bdbc82672 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -4774,6 +4774,9 @@ static int nf_tables_newset(struct sk_buff *skb, const struct nfnl_info *info,
 		if (info->nlh->nlmsg_flags & NLM_F_REPLACE)
 			return -EOPNOTSUPP;
 
+		if (nft_set_is_anonymous(set))
+			return -EOPNOTSUPP;
+
 		err = nft_set_expr_alloc(&ctx, set, nla, exprs, &num_exprs, flags);
 		if (err < 0)
 			return err;



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