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    Subject[PATCH 4.19 250/287] netfilter: nf_tables: really skip inactive sets when allocating name
    Date
    From: Pablo Neira Ayuso <pablo@netfilter.org>

    commit 271c5ca826e0c3c53e0eb4032f8eaedea1ee391c upstream.

    While looping to build the bitmap of used anonymous set names, check the
    current set in the iteration, instead of the one that is being created.

    Fixes: 37a9cc525525 ("netfilter: nf_tables: add generation mask to sets")
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    net/netfilter/nf_tables_api.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/net/netfilter/nf_tables_api.c
    +++ b/net/netfilter/nf_tables_api.c
    @@ -3098,7 +3098,7 @@ cont:
    list_for_each_entry(i, &ctx->table->sets, list) {
    int tmp;

    - if (!nft_is_active_next(ctx->net, set))
    + if (!nft_is_active_next(ctx->net, i))
    continue;
    if (!sscanf(i->name, name, &tmp))
    continue;

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