Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp3869986ybl; Mon, 3 Feb 2020 08:05:12 -0800 (PST) X-Google-Smtp-Source: APXvYqzDubgKDNsF9Mh1TOMcAxJuFQG+SUGbE+mxKQm0L6ENX2Brxmr1gPx+h1fBrUq8Z/g2TqNV X-Received: by 2002:aca:c551:: with SMTP id v78mr15266732oif.161.1580745911712; Mon, 03 Feb 2020 08:05:11 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1580745911; cv=none; d=google.com; s=arc-20160816; b=twFNL5abY4eRifXwZgjMV4qq/GUTKzjSikFG4IC3XT9tqPcnAaGV80+pInTMcQL1x6 E/B6S8tzgkpuFb0Prfc3wL10C5A0ExlydA/x8D43q1DGTzbV1bEgUBDDBqjsKh5XOb4U 1uByxEB1XN7Dom3jic68RfdF+pK/n/muDX7EKrg8SsprXZnEd4Qo8Aah3bbsc4zsMcCj CwUcrfr9V+GBvKBxg/Y3NcGjjvl1grt0P+lfjIn8nPxiLXS2tv9MM/gNS7ECC8LotmdO nbKAD7OGnlzHaO6CugwVUf6p7xsAQw6IGuuC5a0klf3ho5M1Mtqc0tEIvt3Zs6oBXxeW U2qg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date :dkim-signature; bh=lt47hYwOCoEtYAhzMex6bTbOJB2FvP8uV0M22yI0zbQ=; b=O6eFE2Xgt+opAFlfEFoQfIMZd1Nxgijb8RPOJkGNzqrTJ8FeSnFQ5yXR/N+Ymzu+nb 53vd0+/QvzzslRPx0Lv+oYfOUR9ub9M6S46kJa4oR2fYNM2n/CG8q/HvuqK1qL/oNUOL M/QeylKw/NUneIpR5yzY/+C11Y20cEKag8Lss59cuvKE8kudTKPKlOygvg8HSZuCYR7z W8wFpKd2ATlTU5WsMGf8vozIiv2qOoM/r0aOJ8kv7cz8UiANfQvEHnPzS6hkKc0wk3CU Bkz1/djoUSjSCt1rKnrF9+0oANaboPAagdEHdhMvdJIru9DO8KWFRmHRo8ctjokP5iso l5fw== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b=BqvVZzQf; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x186si8076840oig.209.2020.02.03.08.04.55; Mon, 03 Feb 2020 08:05:11 -0800 (PST) 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=BqvVZzQf; 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 S1727892AbgBCOIV (ORCPT + 99 others); Mon, 3 Feb 2020 09:08:21 -0500 Received: from bombadil.infradead.org ([198.137.202.133]:35308 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726930AbgBCOIU (ORCPT ); Mon, 3 Feb 2020 09:08:20 -0500 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; bh=lt47hYwOCoEtYAhzMex6bTbOJB2FvP8uV0M22yI0zbQ=; b=BqvVZzQfc0l/w2F6dxoJApRy3n 0twzi1ocyjdc8kDScFLn9VR+H75MeIXjD7BM8PBa26NjVKhx3K4gpbFiz00nk4iavDndzbEOSgpSg +8R0HniQJO4IymC7s1LlKTC4kaey5Yz4p2TJr3rXCKXmBufK9f18EzzPyVs6TYG7ESbeOkhBnS6Nr T5YwOLSgm7sCU7kJSY7ml6oRnaYydC7p8gH+M0TBMrhdikLwKAbW/vJ69k6jZgmrr0hUF7bBloh9O Bvmgf1+Avr39ovsmmtKq9IA1jjI1kiDGQ9i6/V4bdy1axE5YolH+KpI9raARWbj2XGEZQOk5jTxQj 5vB+b9VA==; Received: from willy by bombadil.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1iycOh-0003E0-OK; Mon, 03 Feb 2020 14:08:19 +0000 Date: Mon, 3 Feb 2020 06:08:19 -0800 From: Matthew Wilcox To: Ming Lei Cc: Linux Kernel Mailing List , gustavo@embeddedor.com, Clemens Ladisch , Greg Kroah-Hartman , Arnd Bergmann Subject: Re: Current Linus tree protection fault in __kmalloc Message-ID: <20200203140819.GI8731@bombadil.infradead.org> References: <20200203012702.GA8731@bombadil.infradead.org> <20200203132334.GH8731@bombadil.infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 03, 2020 at 09:37:11PM +0800, Ming Lei wrote: > My git bisect is just done, and it points to the following commit: > > commit 987f028b8637cfa7658aa456ae73f8f21a7a7f6f > Author: Gustavo A. R. Silva > Date: Mon Jan 20 17:53:26 2020 -0600 > > char: hpet: Use flexible-array member > > I have double checked the commit, and looks it is really the 1st bad one. Looks like this patch will fix it then: https://lore.kernel.org/lkml/202001300450.00U4ocvS083098@www262.sakura.ne.jp/