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 D5D97C433FE for ; Thu, 9 Dec 2021 12:16:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237269AbhLIMUX (ORCPT ); Thu, 9 Dec 2021 07:20:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59490 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229777AbhLIMUW (ORCPT ); Thu, 9 Dec 2021 07:20:22 -0500 Received: from mail-ua1-x931.google.com (mail-ua1-x931.google.com [IPv6:2607:f8b0:4864:20::931]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 66D31C061746; Thu, 9 Dec 2021 04:16:49 -0800 (PST) Received: by mail-ua1-x931.google.com with SMTP id 30so10295870uag.13; Thu, 09 Dec 2021 04:16:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=f0cycxH+/hvcYJ7HIZ9t/9h9STsg8qCuIOcXKXVi1i4=; b=Jnxc2KnIFfmR5slhLfCOTXIRPLQo3wleJ0IFU53FCXoF5ZZN9bYBy14HYw6jkQEAf8 fDR/kTsJ9zj+6WYXfdps2Ff2HF200aqQTKRWvI9rnrNu2ByD5Vcoe6+RB+rA13vE8OJ/ ujCip+fWAGkMIQEi0hiGl9uFF8BzDpuPRYDY0ioZkNvSjHTUCWzfx+b3J8lLLxMWyfCT wgDoFdj3d01ATwOhXpeGyN9LJzD6MQtvPEDf9DtsES5KMKHRbPd/ehObrkd8637xOqeQ idp10DTkWw8MBhQgh4EPmkKi+8O3l6rnNOBQwR9e+FlopiEFomIQAFr8Km1Ariim7o41 lGuQ== 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:references :mime-version:content-disposition:in-reply-to; bh=f0cycxH+/hvcYJ7HIZ9t/9h9STsg8qCuIOcXKXVi1i4=; b=R0kBoC6H8INAsFttTzyynCB1HrNKm/Vbe6lhmF8EqDd6ASBHfv6BPNtrDdD06eCrMp GnC3ev4MOCdeI6nMHOrERuHg53o+a9hQy9isIIc8k54H/cJH5tuQbzPpjabQpUSxFs4+ iw4E9MxDeg3OrH0L5gPOxyScBMTbmhNHqlm0VwDOLth00XTZ9o8+3wvBSA2enYa26jzw p5JZcH4Stag5nn/G2dqlx6MNgIz7rW9jFfpFxVu68YV0oIN3bNV18WTMAUlOekNpAYSY 6TghFXPAT8UiwYWRroRoWGqWP6UMVgdI2+4QZR8lXFJRgRzt2gKKTl/h34HYhsfdtf9S 6SiQ== X-Gm-Message-State: AOAM530vjV8jx78qz6EabUmbLy6BsJF3C/wC29sNFWtv6re4fP/iqVlf u9tcI29gC76ToBLIpKsE780= X-Google-Smtp-Source: ABdhPJwgAQUJXrZqPA3MJEEP59ocb1qejGRh1KuchakJvYqznYykNfYe+xeFZSutWyKO249qKQM+vg== X-Received: by 2002:a67:ee09:: with SMTP id f9mr7219170vsp.50.1639052205973; Thu, 09 Dec 2021 04:16:45 -0800 (PST) Received: from t14s.localdomain ([2001:1284:f016:c8c6:42ae:ac00:c4d1:ee21]) by smtp.gmail.com with ESMTPSA id v16sm3697487uap.12.2021.12.09.04.16.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Dec 2021 04:16:45 -0800 (PST) Received: by t14s.localdomain (Postfix, from userid 1000) id 65B79ECD29; Thu, 9 Dec 2021 09:16:43 -0300 (-03) Date: Thu, 9 Dec 2021 09:16:43 -0300 From: Marcelo Ricardo Leitner To: Lee Jones Cc: linux-kernel@vger.kernel.org, Vlad Yasevich , Neil Horman , "David S. Miller" , Jakub Kicinski , lksctp developers , "H.P. Yarroll" , Karl Knutson , Jon Grimm , Xingang Guo , Hui Huang , Sridhar Samudrala , Daisy Chang , Ryan Layer , Kevin Gao , netdev@vger.kernel.org Subject: Re: [PATCH 1/1] sctp: Protect cached endpoints to prevent possible UAF Message-ID: References: <20211208165434.2962062-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211208165434.2962062-1-lee.jones@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 08, 2021 at 04:54:34PM +0000, Lee Jones wrote: > The cause of the resultant dump_stack() reported below is a > dereference of a freed pointer to 'struct sctp_endpoint' in > sctp_sock_dump(). Hi, Please give me another day to review this one. Thanks, Marcelo