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 D5D34C433EF for ; Thu, 23 Jun 2022 10:35:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231229AbiFWKfk (ORCPT ); Thu, 23 Jun 2022 06:35:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34842 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230488AbiFWKfc (ORCPT ); Thu, 23 Jun 2022 06:35:32 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 418374AE34 for ; Thu, 23 Jun 2022 03:35:31 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id o8so27331249wro.3 for ; Thu, 23 Jun 2022 03:35:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :content-transfer-encoding; bh=eJTmGKpMQou36yVdLMJa1BC1ACYpQHoAzJ3NEnmQZyg=; b=n0TryeyZ+I86xPmAlB09rCrYq9pR4bfsv68LvkDJgCrNqUjZlMEKHgJ4EDbchLH1QS c3MYidhbxrEY2RhArZuR8xDnwDkZ78jXunQNkIWGXhpDBYT/PcFd+zW6+lNuR3eKlbXw SgKd2cAG+ZUwFtS9A5YSZrHw8gfSKruehQTn/s6HTHuxDeEwdifDydJetrAWpGTJLSHA wJp07Sk0FfszXyA4w3BWYVcnDRbaY4PdyKLi9OT3wNsSUO7NYPJXw8UMS/5CAlTPVYhi kI2P9/IHVRe3p8MUbLvWq3NzyV7eBkrYu+0Vf8tjiusaXHO/26bJnXS4sxds4DVYXYT0 Xu1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:content-transfer-encoding; bh=eJTmGKpMQou36yVdLMJa1BC1ACYpQHoAzJ3NEnmQZyg=; b=RuzHow/bMoAssvyp4nzumSeiT7cmgLqH0t4OmZMOuu1NlIOw6F+lZ+fdjZTkf9G/vs ihcY7iDI0O7zdFIyOGHjuymLMKnLKZrI2SqcQH3ahzP4ly0fGv6zzULr1zAmaPF1abVz Fs9zQHlY3GhjpfPG4nkPu2LpyS5aG4z/77cilWITQ5/QL1pRl2kPIqg6VOMO4uVBd4AZ 1ruF8GIKkjkZCByIz1XO+61EXIpupzA9A0CTz3TRCi2mR4nfJz1xbcZnZxRPlEk+fz5m zTCyBc3WJRh+WPaPqq2HqB/wnx6Q5F2xEy+Ht2n32IO2PIc98/3aRFXq+KgERXUbjblE jpoQ== X-Gm-Message-State: AJIora90TMB8VTf/D4QvS9VguXpDB8nAs8InbivHtAxwS1svUWXYB7rg SFOJlQG+6ECqsDziJATcC3uRAw== X-Google-Smtp-Source: AGRyM1tGXSW7MWm9TKc9l1yw9FiYf1PHq8jsE/ai/bUEqBeX4q0KDqllVcGgFTKV4orB7Nq1PhY83w== X-Received: by 2002:a05:6000:1a8b:b0:219:ad61:f4e3 with SMTP id f11-20020a0560001a8b00b00219ad61f4e3mr8231903wry.190.1655980529860; Thu, 23 Jun 2022 03:35:29 -0700 (PDT) Received: from google.com (cpc155339-bagu17-2-0-cust87.1-3.cable.virginm.net. [86.27.177.88]) by smtp.gmail.com with ESMTPSA id c2-20020a1c3502000000b0039c5328ad92sm2657222wma.41.2022.06.23.03.35.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 23 Jun 2022 03:35:29 -0700 (PDT) Date: Thu, 23 Jun 2022 11:35:27 +0100 From: Lee Jones To: stable@vger.kernel.org Cc: James Chapman , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [STABLE v4.9 & v4.14] l2tp: Prevent circular locking and use-afer-free issues Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Dear Stable, Please could you apply the following patches to the v4.9 and v4.14 trees: 225eb26489d05 l2tp: don't use inet_shutdown on ppp session destroy d02ba2a6110c5 l2tp: fix race in pppol2tp_release with session object destroy They fix circular locking dependency and use-after-free issues. Kind regards, Lee -- Lee Jones [李琼斯] Principal Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog