From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AH8x226FcIYFGOECI7zQbF8W3BfIkS8uGOxRbVJJd62aVB3+vQ9U5XHoGLG00nXCbHuH0zWVrKiJ ARC-Seal: i=1; a=rsa-sha256; t=1518638784; cv=none; d=google.com; s=arc-20160816; b=fT7SzNjfI0wdv5AHPQzXYubIZqe1HppO0UXQCilndR6TtuNI1PDPrQutbdz/XUGvDV FCmJfN2tDscnRDDYOQy+VSPNlunWqi0soolRVig++VC1wauiTSDcRYmawZ7WnatSR92i c9vB+Lx8/+aC8b2vjqHdzS0JzvEv1qyPdr22QvuQsuU8OAi9UlFxXblTzpgaf7hBRH1a uJ/jX4rkq4KeR7GSktD+ORd1Gg/os2iFwCvzZk8aeVfinDMU+6KB6EYhMEZa10Ybn/de Hb8GTo4/y/nsbauPWSeWo1vhkrCuLIYldbdHBUUUBAgqyJoGKJHVs82YU7LendxzKf/K zSEQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:references:in-reply-to:date :cc:to:from:subject:message-id:delivered-to:list-id:list-subscribe :list-unsubscribe:list-help:list-post:precedence:mailing-list :arc-authentication-results; bh=vEz9YB0UrkrAbjiTyN8HuQJdoogns0Itw1B6X9ZvMgc=; b=fDMKgK6BIusM/1wxCJSpvlqVwdV/F0fpHKUkEmIbO/DlouuNK5Bu+i32j+oaRphH7P kXjGloxxW/PDe34Fx0to6nCyTwmCulKkdEmd34nyClvLZ1VmO6mHqpyHmgQTu1vrjWeb 2aDurNqtlkm7myJmN+6mlwR53Iu3dwxAXtaOyXP1ci/1EijYbxWv1YvKX4jdv4sJfVJr yWD2UO7mO/sV8rKVAmrDCbyT8BQlR2hGogWwVmlnOXh0eufHgizc4TmCfSBp/LISINgi BQ1uJmPWX5sMjbdebYxq0uVbmjkU+DrEiOpIIHQAsNueKx1YByULe19OPAAhcCiN3F4s YOWg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-11771-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-11771-gregkh=linuxfoundation.org@lists.openwall.com Authentication-Results: mx.google.com; spf=pass (google.com: domain of kernel-hardening-return-11771-gregkh=linuxfoundation.org@lists.openwall.com designates 195.42.179.200 as permitted sender) smtp.mailfrom=kernel-hardening-return-11771-gregkh=linuxfoundation.org@lists.openwall.com Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm List-Post: List-Help: List-Unsubscribe: List-Subscribe: X-Session-Marker: 6A6F6540706572636865732E636F6D X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,joe@perches.com,:::::::::::::,RULES_HIT:41:355:379:541:599:988:989:1260:1277:1311:1313:1314:1345:1359:1373:1437:1515:1516:1518:1534:1540:1593:1594:1711:1730:1747:1777:1792:2393:2553:2559:2562:2693:2828:3138:3139:3140:3141:3142:3352:3622:3865:3866:3867:3870:3871:3872:3873:3874:4250:4321:5007:8526:10004:10400:10848:11232:11658:11914:12740:12760:12895:13069:13149:13230:13311:13357:13439:14096:14097:14659:21080:21433:21611:21627:30041:30054:30070:30090:30091,0,RBL:47.151.150.235:@perches.com:.lbl8.mailshell.net-62.8.0.100 64.201.201.201,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:neutral,Custom_rules:0:0:0,LFtime:20,LUA_SUMMARY:none X-HE-Tag: woman25_6f63d04d92e16 X-Filterd-Recvd-Size: 2044 Message-ID: <1518638764.3678.23.camel@perches.com> Subject: Re: [PATCH 0/2] Add kvzalloc_struct to complement kvzalloc_array From: Joe Perches To: Matthew Wilcox Cc: Kees Cook , Andrew Morton , Matthew Wilcox , Linux-MM , LKML , Kernel Hardening Date: Wed, 14 Feb 2018 12:06:04 -0800 In-Reply-To: <20180214195631.GC20627@bombadil.infradead.org> References: <20180214182618.14627-1-willy@infradead.org> <1518634058.3678.15.camel@perches.com> <1518636765.3678.19.camel@perches.com> <20180214193613.GB20627@bombadil.infradead.org> <1518637426.3678.21.camel@perches.com> <20180214195631.GC20627@bombadil.infradead.org> Content-Type: text/plain; charset="ISO-8859-1" X-Mailer: Evolution 3.26.1-1 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1592401947833736714?= X-GMAIL-MSGID: =?utf-8?q?1592408182125259845?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Wed, 2018-02-14 at 11:56 -0800, Matthew Wilcox wrote: > On Wed, Feb 14, 2018 at 11:43:46AM -0800, Joe Perches wrote: > > On Wed, 2018-02-14 at 11:36 -0800, Matthew Wilcox wrote: > > > If somebody wants them, then we can add them. > > > > Yeah, but I don't think any of it is necessary. > > > > How many of these struct+bufsize * count entries > > actually exist? > > Wrong question. How many of them currently exist that don't check for > integer overflow? How many of them will be added in the future that > will fail to check for integer overflow? > > I chose five at random to fix as demonstration that the API is good. > There are more; I imagine that Julia will be able to tell us how many. No such conversions exist in the patch series you submitted. What are those?