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[209.132.180.67]) by mx.google.com with ESMTP id x10-v6si13544525plm.5.2018.04.23.20.48.28; Mon, 23 Apr 2018 20:48:43 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=tsSPVmyC; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932857AbeDXDqx (ORCPT + 99 others); Mon, 23 Apr 2018 23:46:53 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:60530 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932777AbeDXDqs (ORCPT ); Mon, 23 Apr 2018 23:46:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=ITk+sdXWLdhvneae7D0xHEGnE6/Xh13vX5j0DNxXwIc=; b=tsSPVmyCITpnOTVR/dElk6P2V kJHS7PB6ulwxWCT4MK8P4f8e+FDDb1rTcDe09M4Ebta1w7bhoeyxLPPicrauOkvBTVgZGpAonTRF/ 0U++p0R4txsHpix0BdwbfNNUAlHdMUO+C/g9zzTYBfBeUxmvwrAEbgloAWXP9rrwn2GdBy9eTvALj OrwAvQlFInQlclvoyOQLtVOWHq5vr7hJCbG+62IQ1YkcyiUqtX9BdSCpv+Rs/LbE/pOhrhqWDlA7p eWcJU++lPJtlEFgKh8RW27ty19QZUS6o+x+vxCeRt+7HdHllFRNDDJOdsF8JRfiBM63++rSoQOukX s31a1c/ng==; Received: from willy by bombadil.infradead.org with local (Exim 4.90_1 #2 (Red Hat Linux)) id 1fAouh-0008Iq-Ex; Tue, 24 Apr 2018 03:46:43 +0000 Date: Mon, 23 Apr 2018 20:46:43 -0700 From: Matthew Wilcox To: Mikulas Patocka Cc: Michal Hocko , David Miller , Andrew Morton , linux-mm@kvack.org, eric.dumazet@gmail.com, edumazet@google.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, mst@redhat.com, jasowang@redhat.com, virtualization@lists.linux-foundation.org, dm-devel@redhat.com, Vlastimil Babka Subject: Re: [PATCH v3] kvmalloc: always use vmalloc if CONFIG_DEBUG_SG Message-ID: <20180424034643.GA26636@bombadil.infradead.org> References: <20180420130852.GC16083@dhcp22.suse.cz> <20180420210200.GH10788@bombadil.infradead.org> <20180421144757.GC14610@bombadil.infradead.org> <20180423151545.GU17484@dhcp22.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Apr 23, 2018 at 08:06:16PM -0400, Mikulas Patocka wrote: > Some bugs (such as buffer overflows) are better detected > with kmalloc code, so we must test the kmalloc path too. Well now, this brings up another item for the collective TODO list -- implement redzone checks for vmalloc. Unless this is something already taken care of by kasan or similar.