Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp19218imu; Tue, 27 Nov 2018 08:27:50 -0800 (PST) X-Google-Smtp-Source: AFSGD/UteG1ls/BJ19t/Zkp8HZiyFy1OTOvPlRqEbf3jCqepKZCUCFqAMncNckYd41k9/MOv6qim X-Received: by 2002:a63:2586:: with SMTP id l128mr30188329pgl.104.1543336070092; Tue, 27 Nov 2018 08:27:50 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1543336070; cv=none; d=google.com; s=arc-20160816; b=yY7Qji4VA7bsV3ayR5uJV8n4x7R38Khl51oHFQ7nhppq4vfVjT6UAKa1YKgTkJqgdi KZU7tqX0zd2SrByZigZvV/4ChdQi0OKmvbdrzBZks0o66fq+Bkmq2df7tXnipuQM9YQz tQHPQjLbRfXUTCsL+2ctxdyfu8vW5QfeXyW/y/RwtqcW6p+EfXwNSKS9EqnNZAAhPGIT lepNiZjzDlLS2T3BOUB75ZIBKDaRPf0L394PqdP2YST+3/2i/HzORsN46Du5HjuPCiOq eLb3Y5wddGb68d1gwP0v+D/9MVJsYMlSHyJcCginvPgfDohUy2kL/uEWM3txkveQjBMO eMPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=Vfn95hcgLaBzNzE+eGt//AEWzTkR8SOx9eibhn4uTaE=; b=Pv2IK6+LTZh1FnPVfEuoNiJA4EeRByYkFF6U72RuEuJyQoEtXR5J1/F8KBU4HtgJuZ bmuGKZMOcjLJhEW0Ik8dwEZ9uggmehvWVEJ4j+6b36TOMxu9s5YlRSL3nrcwkl/+7ICm UfraO/SAPx4vHM0oWfYPK6s1Cb1HD9ly1VmOk9g4Uf/yQCU5dsq5Ab78QpCkkjGIG4mQ 7KEjDaaWBAMWW3mHCOQRuPRed8l7o6qI4RaxDzYim5oPomOjyvHXsQe4DdxKy8Yq6+ke wJHUiSZKgO0J1ioNl47SUOH8NVzkaSzKFZD767jwz9R1QyWsGB1yXMMzIYn9P8/0ohH3 26Vw== ARC-Authentication-Results: i=1; mx.google.com; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e12si4296099pls.71.2018.11.27.08.27.11; Tue, 27 Nov 2018 08:27:50 -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; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730849AbeK1DVK (ORCPT + 99 others); Tue, 27 Nov 2018 22:21:10 -0500 Received: from mga04.intel.com ([192.55.52.120]:32938 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726566AbeK1DVK (ORCPT ); Tue, 27 Nov 2018 22:21:10 -0500 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 27 Nov 2018 08:22:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,287,1539673200"; d="scan'208";a="94776165" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.154]) by orsmga006.jf.intel.com with ESMTP; 27 Nov 2018 08:22:45 -0800 Date: Tue, 27 Nov 2018 08:22:45 -0800 From: Sean Christopherson To: "Eric W. Biederman" Cc: syzbot , akpm@linux-foundation.org, arnd@arndb.de, dave@stgolabs.net, linux-kernel@vger.kernel.org, linux@dominikbrodowski.net, manfred@colorfullife.com, syzkaller-bugs@googlegroups.com Subject: Re: BUG: corrupted list in freeary Message-ID: <20181127162244.GC27075@linux.intel.com> References: <0000000000004eade9057ba76eae@google.com> <87d0qqjyg6.fsf@xmission.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87d0qqjyg6.fsf@xmission.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Nov 27, 2018 at 10:07:53AM -0600, Eric W. Biederman wrote: > > > syzbot writes: > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit: e195ca6cb6f2 Merge branch 'for-linus' of git://git.kernel... > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=10d3e6a3400000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=73e2bc0cb6463446 > > dashboard link: https://syzkaller.appspot.com/bug?extid=c92d3646e35bc5d1a909 > > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > I don't have this commit. I don't have a clue where it find this > commit. I can't possibly look into this let alone debug this. It's in v4.20-rc4. > > That is not a useful but report. Please fix your bot. > > Eric > >