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=-4.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 195C5C433E0 for ; Mon, 15 Mar 2021 06:43:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA68164E3F for ; Mon, 15 Mar 2021 06:43:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230112AbhCOGnD (ORCPT ); Mon, 15 Mar 2021 02:43:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35170 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230173AbhCOGmw (ORCPT ); Mon, 15 Mar 2021 02:42:52 -0400 Received: from mail-lf1-x132.google.com (mail-lf1-x132.google.com [IPv6:2a00:1450:4864:20::132]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5020C061574 for ; Sun, 14 Mar 2021 23:42:51 -0700 (PDT) Received: by mail-lf1-x132.google.com with SMTP id u4so55127715lfs.0 for ; Sun, 14 Mar 2021 23:42:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=r2M9f8RfUfrnvbW1v5aCju4D/s1ORvZJ17QHD/9c+f0=; b=UevwSocks09HSQkjL2icW2diItlT0wsGAaigQ59blbG9NFGL+hOuGp5JMEPHSNFsIC Ry8AGFm4fiNnuoMPj6zH1DHKU/hbHJdg2QTpn+GqsiKhIccSX85HFZYl/QDrODQlY8SR Er1AaLAejV8YaMb7ZfxSu7vFKzUviAU2GFGMlJqRyaiYzc6iaO008tv550JEe4av7Z/o xBucgFiOgkhjKCfPlsHHzYvuHfTd7wvbbSUmUBzo6/0A5sxUzlGgGjqKfMvvaOHco88H 89hcGA+45ukVVVLIwvYg1/6gaBDzEcYh3RAJJzP5XVD5Lp6DGGGVFnlIRxKS/FTP6uN7 RJpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=r2M9f8RfUfrnvbW1v5aCju4D/s1ORvZJ17QHD/9c+f0=; b=WDyDFU5OqSKTKLDLTJP8uHf/KS9Sgihq3we9AOXspPm+QVv+pHfB7jZ67mrlt333rp DwGYJDAg9ynZ9icF04e9iIAk+K0wKvABXTy0x6lWCBcwa4qPQk4Oc9wkh9aJXHmHSAEg Z5USdTYslrw8rlVZAvZm4vycKpdl6VPpzfgUxAh6JNIwEOpIbsYldvpmYM3CSORd1dHE Guy+5oXXEGYreN899xPjnVzToh+TePi6eqveZnDrep39CKtqqlYFSu2K6e9jgqa/zXg+ qu/EJyHVXAMcrl5hYW41sIFnKs9CI4a2gqtG4srqKu5aJut2W8tuA992dDAOSam1/eOa P31A== X-Gm-Message-State: AOAM5322ywBx7P4MNUl32ibvWH8RPqdRtT1Uvcmp6FGjffKwZpiUiW1P xymxoTCZurcufyuim181Q5M= X-Google-Smtp-Source: ABdhPJy67mfQt+AslL4ioSK6YolrpCj5nm1dQcCsMhoHjFSnYQQNnvm0FoFgheCngICHEeS6sjLm3w== X-Received: by 2002:a19:c792:: with SMTP id x140mr6949244lff.215.1615790569221; Sun, 14 Mar 2021 23:42:49 -0700 (PDT) Received: from grain.localdomain ([5.18.171.94]) by smtp.gmail.com with ESMTPSA id y3sm2569064lfg.6.2021.03.14.23.42.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Mar 2021 23:42:48 -0700 (PDT) Received: by grain.localdomain (Postfix, from userid 1000) id 614AA5601FC; Mon, 15 Mar 2021 09:42:47 +0300 (MSK) Date: Mon, 15 Mar 2021 09:42:47 +0300 From: Cyrill Gorcunov To: Alexey Dobriyan Cc: Linus Torvalds , Andrew Morton , Linux Kernel Mailing List Subject: Re: auxv stuff (Re: [PATCH] prctl: fix PR_SET_MM_AUXV kernel stack leak) Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/2.0.5 (2021-01-21) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 15, 2021 at 09:00:00AM +0300, Alexey Dobriyan wrote: > On Sun, Mar 14, 2021 at 02:40:05PM -0700, Linus Torvalds wrote: > > [mm->saved_auxv] > > > > That's a separate issue, and I can't find it in myself to care (and > > nobody has ever complained), but I thought I'd mention it. > > There is another (non-security) one. Compat 32-bit process will report > 2 longs too many: Good catch! Alexey, should I address it? Or you have fixed it already?