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netfilter: nft_dynset: add timeout extension to template 

commit 0c5b7a501e7400869ee905b4f7af3d6717802bcb upstream.

Otherwise, the newly create element shows no timeout when listing the
ruleset. If the set definition does not specify a default timeout, then
the set element only shows the expiration time, but not the timeout.
This is a problem when restoring a stateful ruleset listing since it
skips the timeout policy entirely.

Fixes: 22fe54d5fe ("netfilter: nf_tables: add support for dynamic set updates")
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 2021-01-16 19:20:15 +01:00 committed by Greg Kroah-Hartman
parent 347a1a20b1
commit deb8d5dfeb
1 changed files with 3 additions and 1 deletions
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4
net/netfilter/nft_dynset.c
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@ -233,8 +233,10 @@ static int nft_dynset_init(const struct nft_ctx *ctx,
nft_set_ext_add_length(&priv->tmpl, NFT_SET_EXT_EXPR,
priv->expr->ops->size);
if (set->flags & NFT_SET_TIMEOUT) {
if (timeout || set->timeout)
if (timeout || set->timeout) {
nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_TIMEOUT);
nft_set_ext_add(&priv->tmpl, NFT_SET_EXT_EXPIRATION);
}
}
priv->timeout = timeout;