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[2620:137:e000::1:20]) by mx.google.com with ESMTP id w19-20020a639353000000b0053ef4189ddcsi1175520pgm.695.2023.06.08.09.28.30; Thu, 08 Jun 2023 09:28:45 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235026AbjFHQYX convert rfc822-to-8bit (ORCPT + 99 others); Thu, 8 Jun 2023 12:24:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234708AbjFHQYC (ORCPT ); Thu, 8 Jun 2023 12:24:02 -0400 Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A36F63AAE; Thu, 8 Jun 2023 09:23:37 -0700 (PDT) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 2D0DD605DED7; Thu, 8 Jun 2023 18:23:34 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id zpbvNb15rfCI; Thu, 8 Jun 2023 18:23:33 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by lithops.sigma-star.at (Postfix) with ESMTP id 306FB6081100; Thu, 8 Jun 2023 18:23:33 +0200 (CEST) Received: from lithops.sigma-star.at ([127.0.0.1]) by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id xSVgNBinm5pl; Thu, 8 Jun 2023 18:23:33 +0200 (CEST) Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130]) by lithops.sigma-star.at (Postfix) with ESMTP id ED077605DED7; Thu, 8 Jun 2023 18:23:32 +0200 (CEST) Date: Thu, 8 Jun 2023 18:23:32 +0200 (CEST) From: Richard Weinberger To: Greg Kroah-Hartman Cc: Petr Mladek , Kees Cook , linux-hardening , netdev , linux-kernel , Steven Rostedt , senozhatsky , Andy Shevchenko , Rasmus Villemoes , davem , edumazet , kuba , pabeni , Miguel Ojeda , Alex Gaynor , Wedson Almeida Filho , Boqun Feng , Gary Guo , =?utf-8?Q?Bj=C3=B6rn?= Roy Baron , Benno Lossin , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend Message-ID: <447684945.3699459.1686241412894.JavaMail.zimbra@nod.at> In-Reply-To: <2023060820-atom-doorstep-9442@gregkh> References: <20230607223755.1610-1-richard@nod.at> <202306071634.51BBAFD14@keescook> <2023060820-atom-doorstep-9442@gregkh> Subject: Re: [RFC PATCH 0/1] Integer overflows while scanning for integers MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT X-Originating-IP: [195.201.40.130] X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF97 (Linux)/8.8.12_GA_3809) Thread-Topic: Integer overflows while scanning for integers Thread-Index: 8Ta4XA3Xj4SCOt1cjsjdEFB0STxIxQ== X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, T_SCC_BODY_TEXT_LINE,T_SPF_PERMERROR autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org ----- Ursprüngliche Mail ----- > Von: "Greg Kroah-Hartman" > "some users" == "most major cloud providers and a few billion Android > phones" So in pure numbers, the huge majority of Linux systems running > in the world have that option enabled. > > So please don't use WARN() to catch issues that can be triggered by > userspace, that can cause data loss and worse at times. Sorry for being unclear. My goal is not having the WARN patch immediately applied without fixing known call sites which can trigger it. Thanks, //richard