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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2C5D0C433F5 for ; Wed, 5 Jan 2022 12:40:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234263AbiAEMkW (ORCPT ); Wed, 5 Jan 2022 07:40:22 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:43474 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234272AbiAEMkR (ORCPT ); Wed, 5 Jan 2022 07:40:17 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DE7FA61670; Wed, 5 Jan 2022 12:40:16 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 495CFC36AF3; Wed, 5 Jan 2022 12:40:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1641386416; bh=85EgKSnkxr2c1immt9do3f1sURp0SJC6V/uNQ5SIVJg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=l3xA/fgXftfzuLba+7hRFiFrsbmTPQAzVOho6qEebiRj5Y/iDGd5ws/sboQ/OtC/y WxsS8iBct3eZY6mwwlmjqA96h0bPzRjhtN1TtrP+M1sVrIL+APw8Xs3tbpO3s0K+rU 56zgPrh1nvX1ACPLdUbnRzQf+uVL8qCH8BJR5uGN0I3zUATcWX+BLQZf8Kublo6MH6 y9T9QXt+Hl2mZmXoHeCcuvCQdf/DRQRqGpJ7UAmcxMnrd4MUodWaOj4/BwfGOgT0mn s3E/J29LU3hhWQE0M/v4PFvhTlIMog7D1RnSKg4adGfCxl7Ws7iruAIz8hGkTsf+hu GZxxSLw+7HOGw== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 30AA3F7940C; Wed, 5 Jan 2022 12:40:16 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] bpf/selftests: Fix namespace mount setup in tc_redirect From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164138641619.6231.12315835333755803519.git-patchwork-notify@kernel.org> Date: Wed, 05 Jan 2022 12:40:16 +0000 References: <20220104121030.138216-1-jolsa@kernel.org> In-Reply-To: <20220104121030.138216-1-jolsa@kernel.org> To: Jiri Olsa Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org, joamaki@gmail.com, haliu@redhat.com, netdev@vger.kernel.org, bpf@vger.kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, kpsingh@chromium.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Tue, 4 Jan 2022 13:10:30 +0100 you wrote: > The tc_redirect umounts /sys in the new namespace, which can be > mounted as shared and cause global umount. The lazy umount also > takes down mounted trees under /sys like debugfs, which won't be > available after sysfs mounts again and could cause fails in other > tests. > > # cat /proc/self/mountinfo | grep debugfs > 34 23 0:7 / /sys/kernel/debug rw,nosuid,nodev,noexec,relatime shared:14 - debugfs debugfs rw > # cat /proc/self/mountinfo | grep sysfs > 23 86 0:22 / /sys rw,nosuid,nodev,noexec,relatime shared:2 - sysfs sysfs rw > # mount | grep debugfs > debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime) > > [...] Here is the summary with links: - bpf/selftests: Fix namespace mount setup in tc_redirect https://git.kernel.org/bpf/bpf-next/c/5e22dd186267 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html