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 X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8D7D9C433E0 for ; Tue, 30 Jun 2020 06:12:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 733EF207E8 for ; Tue, 30 Jun 2020 06:12:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729911AbgF3GM3 (ORCPT ); Tue, 30 Jun 2020 02:12:29 -0400 Received: from mga01.intel.com ([192.55.52.88]:2096 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729808AbgF3GM3 (ORCPT ); Tue, 30 Jun 2020 02:12:29 -0400 IronPort-SDR: tmazwPYorPvvbcDDUczUvBHHEx+U5xlRLIZ70Sitse9as+FqAJOyhNBcdoBJp0TD2NVhpMkhAs Smtiych/N7sw== X-IronPort-AV: E=McAfee;i="6000,8403,9666"; a="164168151" X-IronPort-AV: E=Sophos;i="5.75,296,1589266800"; d="scan'208";a="164168151" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jun 2020 23:12:28 -0700 IronPort-SDR: GpJLMbiIm0KKYRJwt+XBk+4Xa0tN+rvlhQZ3nfspt4KCAM3Hbn68kepGtS2moHfvf0lSz3K8/b VRgxFJUeOeew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,296,1589266800"; d="scan'208";a="277321994" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.152]) by orsmga003.jf.intel.com with ESMTP; 29 Jun 2020 23:12:28 -0700 Date: Mon, 29 Jun 2020 23:12:28 -0700 From: Sean Christopherson To: syzbot Cc: bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, pbonzini@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org Subject: Re: general protection fault in pvclock_gtod_notify Message-ID: <20200630061228.GU12312@linux.intel.com> References: <0000000000002e703905a902457b@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <0000000000002e703905a902457b@google.com> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, Jun 26, 2020 at 01:08:19PM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: 4a21185c Merge git://git.kernel.org/pub/scm/linux/kernel/g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=16958f4d100000 > kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569 > dashboard link: https://syzkaller.appspot.com/bug?extid=b46fb19f175c5c7d1f03 > compiler: gcc (GCC) 10.1.0-syz 20200507 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1080e9c5100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1685d2e3100000 #syz dup: general protection fault in syscall_return_slowpath