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 6FD50C4332F for ; Tue, 8 Nov 2022 17:22:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234337AbiKHRWz (ORCPT ); Tue, 8 Nov 2022 12:22:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234289AbiKHRWt (ORCPT ); Tue, 8 Nov 2022 12:22:49 -0500 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DCD02634 for ; Tue, 8 Nov 2022 09:22:49 -0800 (PST) Received: by mail-pf1-x434.google.com with SMTP id g62so14379022pfb.10 for ; Tue, 08 Nov 2022 09:22:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; 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=lMk4PVCi8MpYMDkTe7xjdobh7931rVJKCrHxnRJEZ/s=; b=hH8t9+Espo0GrgedJ9kMDPtH/SwZJLvzS42Mpnzj25bSeGNKWC/KhRsX+Bk5RGBoYh GS89jcjEhdmZQCZmsXftPjQPRRk67Sp6/5ZHG3Enccq5LOmxhTx1Wil+jM384G6zHYUE HEAuY+LA8P/URl4U6jup79JIboPvC9ydZMpHg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=lMk4PVCi8MpYMDkTe7xjdobh7931rVJKCrHxnRJEZ/s=; b=049WYBHR/03fOpP2OS8v8D4O8ffMpCTcikSS5FRRD8gYVtATWriz0o3R3wiAP3w82h aI5bA0NnWo231rBvum2rGCsiGC1LCCQrWHMtvM1LRucG4uBHF0gxyMJW4OPjEsXL7clx yV3FbxYp1mBEncf49geRX9/fmx4aFD9s3J5+K3bp3nuynzlx04r0mdlBzZMXUGTmxL0D 3a4iM9POYj+IQDF8hNIuRGvWWQw+G3oB7vXT+AVgep76SgXTgRJUZ11uPiyY6nlPiuqJ mDo5jh3O5T9YcyLCmSZb+Qxy96+2+pWlkzlZ11IuouFHZ/tprjRz9CIJBaG6pCq/jh2H Bs5w== X-Gm-Message-State: ACrzQf07bKeXSjXruc4TL7ZUEk4maSAdem8FeXWN3lVDxBh4DUxVlcxP qe/wEoziSI7TcVFN6KD+UVpXmPtfwsgbwg== X-Google-Smtp-Source: AMsMyM4Ab4Kr0QUaf2x7BxJa/AITAVTNdya0GPA8aZCXQG+csEC+UsBcfir62wN3+d9ly4DUl+wEDQ== X-Received: by 2002:a05:6a02:282:b0:439:7a97:ccd with SMTP id bk2-20020a056a02028200b004397a970ccdmr49560686pgb.297.1667928168583; Tue, 08 Nov 2022 09:22:48 -0800 (PST) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id i2-20020a170902c94200b001869394a372sm7241421pla.201.2022.11.08.09.22.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 09:22:47 -0800 (PST) Date: Tue, 8 Nov 2022 09:22:47 -0800 From: Kees Cook To: Jann Horn Cc: linux-hardening@vger.kernel.org, kernel-hardening@lists.openwall.com, Greg KH , Linus Torvalds , Seth Jenkins , "Eric W . Biederman" , Andy Lutomirski , linux-kernel@vger.kernel.org Subject: Re: [PATCH] exit: Put an upper limit on how often we can oops Message-ID: <202211080922.8B4A9A16AA@keescook> References: <20221107201317.324457-1-jannh@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221107201317.324457-1-jannh@google.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 07, 2022 at 09:13:17PM +0100, Jann Horn wrote: > @Kees should this go through your tree? (After waiting a while for > the inevitable bikeshedding on whether the default limit should be closer > to 10000 or 2^31.) Sure, yeah. I can take it. -- Kees Cook