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netfilter: nf_tables: check if catch-all set element is active in next generation

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commit b1db244ffd041a49ecc9618e8feb6b5c1afcdaa7 upstream.

When deactivating the catch-all set element, check the state in the next
generation that represents this transaction.

This bug uncovered after the recent removal of the element busy mark
a2dd0233cb ("netfilter: nf_tables: remove busy mark and gc batch API").

Fixes: aaa31047a6 ("netfilter: nftables: add catch-all set element support")
Cc: stable@vger.kernel.org
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>
This commit is contained in:
Pablo Neira Ayuso 2024-01-12 23:28:45 +01:00 • committed by Greg Kroah-Hartman
parent a6bd818213
commit 7baa33837e
1 changed files with 1 additions and 1 deletions
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2
net/netfilter/nf_tables_api.c
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@ -6431,7 +6431,7 @@ static int nft_setelem_catchall_deactivate(const struct net *net,
list_for_each_entry(catchall, &set->catchall_list, list) {
ext = nft_set_elem_ext(set, catchall->elem);
if (!nft_is_active(net, ext))
if (!nft_is_active_next(net, ext))
continue;
kfree(elem->priv);