From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9758A2E229F; Sat, 7 Feb 2026 05:41:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770442891; cv=none; b=IoDlva0scSf+ZO5Tu6aVCaJNSL84jYDIFHZLDouy8fZtxHd5dvzfXLvPjDPg3oReWxqM29N0nYgtjOaK4vrpJaFjWDGsajiXXOuSGYDfw3B+0rkXC0iZZwqs9ONQtShlCbFp5xtWsslyOkCZVM8pOt1TbooBpePOafhVcqVyVzs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770442891; c=relaxed/simple; bh=pM9/YDTyKKI0sD4Dhh4VK/fPcuA6cFUij7u1q0xmBNM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Ume3iHdFMMTslg9Mo4essIe93kS1SxgRa1THKc6j8rx/DjGZSwf1GRDzz7iFOy3tvr6wD+Ju+YJyHUkf3Ab9LiU3WjeZudw2F5setcJ+D05NSeLuW6m7uUQg84CxpYLo9JJAjsv8Nu47gfunAhA5QJd1xQYlGjgWfcdRduBm0kc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=cJ3hDO6a; arc=none smtp.client-ip=198.175.65.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="cJ3hDO6a" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770442890; x=1801978890; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=pM9/YDTyKKI0sD4Dhh4VK/fPcuA6cFUij7u1q0xmBNM=; b=cJ3hDO6agHpneUapqL8hugQJPaHUtzp59ONG8RF9q12ZQz24SWYNEIH3 k2m8B2h1JpmAsrSbCKEOZ/olCIQLjVJA7PtBflTisUJOCbBOWWN6iGIH/ 14ecX+SYBzMo/ZF6Z9m6Qz+61tAZ4WCH/zvss26798TfrBLS5JmALAPw1 ksuaQw8NL34fdf7yECIeo7VqEyCZFmnAvhwRQs2SD3UineJvoT4LG99T1 ahUvl+qbjqKrMWX+d4B1Q/f/6TUeKsJcmMF4bWX9PSI4MUKX8NaUKk9PF zmxNmD7wb4Q78o7tbTkQ/O/+9REQs0QK+81/sWfoLMuyzXb5r0lLCLkbi g==; X-CSE-ConnectionGUID: ZLWspzyPRKaPRc90cmolqw== X-CSE-MsgGUID: /8CkmWBmQoeCkGTQi9sLnw== X-IronPort-AV: E=McAfee;i="6800,10657,11693"; a="81963078" X-IronPort-AV: E=Sophos;i="6.21,277,1763452800"; d="scan'208";a="81963078" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2026 21:41:30 -0800 X-CSE-ConnectionGUID: xgKTgBFESxew693gJUYllQ== X-CSE-MsgGUID: NvLtUkYgQiOg8muxH6UkYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,277,1763452800"; d="scan'208";a="211090153" Received: from mgerlach-mobl1.amr.corp.intel.com (HELO localhost) ([10.124.222.204]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Feb 2026 21:41:29 -0800 Date: Fri, 6 Feb 2026 21:41:29 -0800 From: Isaku Yamahata To: syzbot ci Cc: isaku.yamahata@gmail.com, isaku.yamahata@intel.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, oliver.sang@intel.com, pbonzini@redhat.com, seanjc@google.com, yang.zhong@linux.intel.com, syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com, isaku.yamahata@linux.intel.com Subject: Re: [syzbot ci] Re: KVM: VMX APIC timer virtualization support Message-ID: References: <6982f952.050a0220.3b3015.0012.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <6982f952.050a0220.3b3015.0012.GAE@google.com> On Tue, Feb 03, 2026 at 11:46:26PM -0800, syzbot ci wrote: ... > Full report is available here: > https://ci.syzbot.org/series/febd2a47-f17d-45ba-954d-44cd44564c81 > > *** > > general protection fault in kvm_sync_apic_virt_timer This case is caused because in-lapic is disabled. I'll fix this gp fault with the next respin by adding in-kernel lapic check to disable nested apic timer virtualization. -- Isaku Yamahata