From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH 14/14] netfilter: nf_tables: bump set->ndeact on set flush Date: Thu, 26 Jan 2017 17:38:07 +0100 Message-ID: <1485448687-6072-15-git-send-email-pablo@netfilter.org> References: <1485448687-6072-1-git-send-email-pablo@netfilter.org> Cc: davem@davemloft.net, netdev@vger.kernel.org To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:48668 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753812AbdAZQjZ (ORCPT ); Thu, 26 Jan 2017 11:39:25 -0500 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id 01B4B8119 for ; Thu, 26 Jan 2017 17:38:39 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id E84D91B30D6 for ; Thu, 26 Jan 2017 17:38:38 +0100 (CET) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id C370A1A1713 for ; Thu, 26 Jan 2017 17:38:36 +0100 (CET) In-Reply-To: <1485448687-6072-1-git-send-email-pablo@netfilter.org> Sender: netdev-owner@vger.kernel.org List-ID: Add missing set->ndeact update on each deactivated element from the set flush path. Otherwise, sets with fixed size break after flush since accounting breaks. # nft add set x y { type ipv4_addr\; size 2\; } # nft add element x y { 1.1.1.1 } # nft add element x y { 1.1.1.2 } # nft flush set x y # nft add element x y { 1.1.1.1 } :1:1-28: Error: Could not process rule: Too many open files in system Fixes: 8411b6442e59 ("netfilter: nf_tables: support for set flushing") Reported-by: Elise Lennion Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 5bd0068320fb..1b913760f205 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3906,6 +3906,7 @@ static int nft_flush_set(const struct nft_ctx *ctx, err = -ENOENT; goto err1; } + set->ndeact++; nft_trans_elem_set(trans) = set; nft_trans_elem(trans) = *elem; -- 2.1.4