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 6F2E5EDE989 for ; Fri, 15 Sep 2023 02:56:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231680AbjIOC4J (ORCPT ); Thu, 14 Sep 2023 22:56:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230292AbjIOC4J (ORCPT ); Thu, 14 Sep 2023 22:56:09 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33C8226B8 for ; Thu, 14 Sep 2023 19:56:05 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1c34c9cc9b9so13512525ad.3 for ; Thu, 14 Sep 2023 19:56:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1694746564; x=1695351364; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=ML86qDe0AhWIXXN0KvUZJFVRWAhXeILzO6P0niCYCTo=; b=U1TzDyvFf0+opYyl3sbOS3MxL6aZ0NB3t73YWQAH1xdZer+SO1IfpMX0p5p1ZhCUbA I2YV4/4oVJQIQ9LXJbGFKE+KnkZZ9OLothOb1DGLyvCRPd8F+bwNdbrQ6kBs+h0EHnao zzPhz1V/ohGCpEaC8klxfjgs2tjfOmEoA7MNU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1694746564; x=1695351364; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=ML86qDe0AhWIXXN0KvUZJFVRWAhXeILzO6P0niCYCTo=; b=Ppp98GEZfTrUg7FtsJVYGvzhBiSpg50bB8wpvXZokgAgSILWDKpwh78gwZVn19Wlfk Cq6YFcYn+oSYecPIguWF89whCO6P6M2vPthVWPHwk3iZg3+/osQ0R1cPGHlUVp4Ql8AO 5o7fuO/0Tf/bYKb9hR+8DbSg13uyRT78Y8PDjEyqyJ7jRZJ4vkNLb3TPQpfO1XAm3lA3 SFrnYHZB6ZmJeLY2GNNIYf0cLAO5eG28I9TqbgAjcfrquG2Pwhr5EQK4PNDx9fA3PsOj 6hXzyHthBJopkPMHaqXpevWnDSrzyf4YyqGokiAggKp1+wbCv0sNtSwtsZRRnrhI7xiU fRzw== X-Gm-Message-State: AOJu0YxuEcmYRTCkzw06/rHBrfzgPfZChonbbEvsC5+Zzco9xWtFK6ql g7U7zEfHVWlwZeMlkiIGpLZ4wW1dQoL8pWS6pUs= X-Google-Smtp-Source: AGHT+IFXm1klVklCUGHFSnCwQsYSebuPaqWAY+e0BAhgxh9FHeHRtyNY0vSeXflj4fvQ+FAzcR560A== X-Received: by 2002:a17:902:d2ce:b0:1bc:224a:45c1 with SMTP id n14-20020a170902d2ce00b001bc224a45c1mr460931plc.55.1694746564579; Thu, 14 Sep 2023 19:56:04 -0700 (PDT) Received: from www.outflux.net (198-0-35-241-static.hfc.comcastbusiness.net. [198.0.35.241]) by smtp.gmail.com with ESMTPSA id p10-20020a170902eaca00b001b89f6550d1sm124165pld.16.2023.09.14.19.56.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Sep 2023 19:56:03 -0700 (PDT) Date: Thu, 14 Sep 2023 19:56:02 -0700 From: Kees Cook To: Azeem Shaikh Cc: Dan Raymond , Greg Kroah-Hartman , Jiri Slaby , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, Kefeng Wang , Andrew Morton Subject: Re: [PATCH] vt: Fix potential read overflow of kernel memory Message-ID: <202309141955.12923F85B8@keescook> References: <20230830160410.3820390-1-azeemshaikh38@gmail.com> <2023083035-unpadded-amulet-8c7e@gregkh> <202308301421.997C4034B5@keescook> <202308301646.8397A6A11@keescook> <82b80554-2042-7dcb-83c5-6a6b640c71be@foxvalley.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org On Thu, Aug 31, 2023 at 10:23:10AM -0400, Azeem Shaikh wrote: > Are folks ok with me sending out a v2 for this with a better commit > log that explains the issue? Yes, please do. It should clear up the questions from this thread. :) Thanks! -Kees -- Kees Cook