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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, 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 B84F9C433E1 for ; Thu, 28 May 2020 19:38:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A7AAA2078C for ; Thu, 28 May 2020 19:38:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406674AbgE1Tio (ORCPT ); Thu, 28 May 2020 15:38:44 -0400 Received: from mga04.intel.com ([192.55.52.120]:53663 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406540AbgE1Tim (ORCPT ); Thu, 28 May 2020 15:38:42 -0400 IronPort-SDR: GXBnmyQ6wSHGnIwwAHXaU5E+Yn+EOV6zVnPprRqdGRJGQYZgWn/2WldcfgPtIMtToB4GL7+2+T aLxoSkE9nBmA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2020 12:38:41 -0700 IronPort-SDR: 9HOb7WvJFdbYjWp6h4nwPYosl1cE/gewjfxnveuR03MQZ2YPCjJ+V5QhtGBKTDmX0X3v48gDN1 VgvEQkpzRI3A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,446,1583222400"; d="scan'208";a="302584054" Received: from sjchrist-coffee.jf.intel.com (HELO linux.intel.com) ([10.54.74.152]) by fmsmga002.fm.intel.com with ESMTP; 28 May 2020 12:38:41 -0700 Date: Thu, 28 May 2020 12:38:41 -0700 From: Sean Christopherson To: Naresh Kamboju Cc: Paolo Bonzini , kvm list , eesposit@redhat.com, lkft-triage@lists.linaro.org, open list , Shuah Khan , "open list:KERNEL SELFTEST FRAMEWORK" , Anders Roxell , Andy Lutomirski , Thomas Gleixner , Borislav Petkov , "H. Peter Anvin" , Wanpeng Li , Jim Mattson , Vivek Goyal , Gavin Shan , Peter Zijlstra Subject: Re: BUG: arch/x86/kvm/mmu/mmu.c:3722: kvm_mmu_load+0x407/0x420 Message-ID: <20200528193840.GD30353@linux.intel.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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, May 29, 2020 at 12:59:40AM +0530, Naresh Kamboju wrote: > While running selftest kvm set_memory_region_test on x86_64 linux-next kernel > 5.7.0-rc6-next-20200518 the kernel BUG noticed. > > steps to reproduce: (always reproducible ) > ------------------------- > cd /opt/kselftests/default-in-kernel/kvm > ./set_memory_region_test > > BAD: next-20200518 (still reproducible on next-20200526) > GOOD: next-20200515 > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > kernel config: > http://snapshots.linaro.org/openembedded/lkft/lkft/sumo/intel-corei7-64/lkft/linux-next/777/config > > kernel crash log, > ----------------------- > [ 33.074161] ------------[ cut here ]------------ > [ 33.079845] kernel BUG at /usr/src/kernel/arch/x86/kvm/mmu/mmu.c:3722! I'm 99% certain this is already fixed[*], I'll double check to confirm. [*] https://lkml.kernel.org/r/20200527085400.23759-1-sean.j.christopherson@intel.com