From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BA433C433ED for ; Tue, 18 May 2021 12:38:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9B1026108B for ; Tue, 18 May 2021 12:38:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243168AbhERMjm (ORCPT ); Tue, 18 May 2021 08:39:42 -0400 Received: from mail.netfilter.org ([217.70.188.207]:42796 "EHLO mail.netfilter.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239716AbhERMjl (ORCPT ); Tue, 18 May 2021 08:39:41 -0400 Received: from localhost.localdomain (unknown [90.77.255.23]) by mail.netfilter.org (Postfix) with ESMTPSA id AA3A36415E for ; Tue, 18 May 2021 14:37:28 +0200 (CEST) From: Pablo Neira Ayuso To: netfilter-devel@vger.kernel.org Subject: [PATCH nftables,v2] datatype: skip cgroupv2 rootfs in listing Date: Tue, 18 May 2021 14:38:17 +0200 Message-Id: <20210518123817.64715-1-pablo@netfilter.org> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org cgroupv2 path is expressed from the /sys/fs/cgroup, update listing to skip the rootfs. # nft add rule x y socket cgroupv2 level 1 "user.slice" counter # nft list ruleset table ip x { chain y { type filter hook input priority filter; policy accept; socket cgroupv2 level 1 "user.slice" counter } } Signed-off-by: Pablo Neira Ayuso --- v2: update commit description. src/datatype.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/datatype.c b/src/datatype.c index 743505de44b6..7267d60895d8 100644 --- a/src/datatype.c +++ b/src/datatype.c @@ -1382,7 +1382,8 @@ static void cgroupv2_type_print(const struct expr *expr, cgroup_path = cgroupv2_get_path(SYSFS_CGROUPSV2_PATH, id); if (cgroup_path) - nft_print(octx, "\"%s\"", cgroup_path); + nft_print(octx, "\"%s\"", + &cgroup_path[strlen(SYSFS_CGROUPSV2_PATH) + 1]); else nft_print(octx, "%" PRIu64, id); -- 2.30.2