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dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:41104 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kdDNt-0008VO-Kf for qemu-devel@archiver.kernel.org; Thu, 12 Nov 2020 09:15:33 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:33240) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kdDMw-0007dS-1c for qemu-devel@nongnu.org; Thu, 12 Nov 2020 09:14:34 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:46556) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kdDMu-0002pB-F8 for qemu-devel@nongnu.org; Thu, 12 Nov 2020 09:14:33 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1605190471; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iBRfY7dl+i0MCgO7nKQs2IYHo0CgNSSnhzqSnXIAKKc=; b=gFFQi+8URN3yBb10JaOSsJfr6y+KOeRuTy9xXvcAqsKDuupwhffZx+ATK1itiqWc8Q393b dJmLHMpnzwCg4KmpLWeRiqM122qJb73Laxm4sm5lxnpor/lIiBm3d/W+9CCAIJeBwAKY9G 8eT3cKF8HiuZtpi4djkF+Rf3JJYrz6c= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-363-P_RFcSENMvyugFaEBafFaQ-1; Thu, 12 Nov 2020 09:14:29 -0500 X-MC-Unique: P_RFcSENMvyugFaEBafFaQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0D2E4CE642; Thu, 12 Nov 2020 14:14:28 +0000 (UTC) Received: from work-vm (ovpn-115-60.ams2.redhat.com [10.36.115.60]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 3A5D05577C; Thu, 12 Nov 2020 14:14:23 +0000 (UTC) Date: Thu, 12 Nov 2020 14:14:20 +0000 From: "Dr. David Alan Gilbert" To: Peng Liang Subject: Re: [PATCH v2] ACPI: Avoid infinite recursion when dump-vmstate Message-ID: <20201112141420.GB13424@work-vm> References: <20201112020638.874515-1-liangpeng10@huawei.com> MIME-Version: 1.0 In-Reply-To: <20201112020638.874515-1-liangpeng10@huawei.com> User-Agent: Mutt/1.14.6 (2020-07-11) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dgilbert@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Received-SPF: pass client-ip=216.205.24.124; envelope-from=dgilbert@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/12 08:00:44 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: imammedo@redhat.com, zhang.zhanghailiang@huawei.com, qemu-devel@nongnu.org, xiexiangyou@huawei.com, mst@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" * Peng Liang (liangpeng10@huawei.com) wrote: > There is a field with vmstate_ghes_state as vmsd in vmstate_ghes_state, > which will lead to infinite recursion in dump_vmstate_vmsd. > > Fixes: a08a64627b ("ACPI: Record the Generic Error Status Block address") > Reported-by: Euler Robot > Signed-off-by: Peng Liang > Acked-by: Igor Mammedov Queued for migration > --- > hw/acpi/generic_event_device.c | 12 +++++++++++- > 1 file changed, 11 insertions(+), 1 deletion(-) > > diff --git a/hw/acpi/generic_event_device.c b/hw/acpi/generic_event_device.c > index 6df400e1ee16..5454be67d5f0 100644 > --- a/hw/acpi/generic_event_device.c > +++ b/hw/acpi/generic_event_device.c > @@ -322,6 +322,16 @@ static const VMStateDescription vmstate_ged_state = { > } > }; > > +static const VMStateDescription vmstate_ghes = { > + .name = "acpi-ghes", > + .version_id = 1, > + .minimum_version_id = 1, > + .fields = (VMStateField[]) { > + VMSTATE_UINT64(ghes_addr_le, AcpiGhesState), > + VMSTATE_END_OF_LIST() > + }, > +}; > + > static bool ghes_needed(void *opaque) > { > AcpiGedState *s = opaque; > @@ -335,7 +345,7 @@ static const VMStateDescription vmstate_ghes_state = { > .needed = ghes_needed, > .fields = (VMStateField[]) { > VMSTATE_STRUCT(ghes_state, AcpiGedState, 1, > - vmstate_ghes_state, AcpiGhesState), > + vmstate_ghes, AcpiGhesState), > VMSTATE_END_OF_LIST() > } > }; > -- > 2.26.2 > > -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK