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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS autolearn=ham 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 E607DC432C0 for ; Sat, 30 Nov 2019 19:56:47 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B3CD620732 for ; Sat, 30 Nov 2019 19:56:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="aZQyXUqx" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B3CD620732 Authentication-Results: mail.kernel.org; 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]:37784 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ib8rG-0005n8-M8 for qemu-devel@archiver.kernel.org; Sat, 30 Nov 2019 14:56:46 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:53597) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ib8dv-0006Wf-T5 for qemu-devel@nongnu.org; Sat, 30 Nov 2019 14:43:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ib8du-0005Cp-Lr for qemu-devel@nongnu.org; Sat, 30 Nov 2019 14:42:59 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:40440 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ib8ds-0005Ab-O5 for qemu-devel@nongnu.org; Sat, 30 Nov 2019 14:42:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575142976; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=g6s54Yx9MNo545FwLDDs16iRJ9KAV1CQQ70D0Qc5Xbg=; b=aZQyXUqxekN8ylM+kM9rNRss1jN2iiZncEpvW9/64w2QhGhE/qjKgzzDqW+gaIHxop1Zdy gv1SfxcIZp9rP4CyMHuP3SpGXcYzTdiIkyDhj+SqkHEZekRAwu2tEEdTU/RtQTfBPXhIeT ICHqx2eWpUEnawUkq41vduajxL6gblY= 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-212-20_MptBPOImtUrb2Gi73Ew-1; Sat, 30 Nov 2019 14:42:52 -0500 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EF9FB184CAB8; Sat, 30 Nov 2019 19:42:51 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-116-134.ams2.redhat.com [10.36.116.134]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 063AB19C5B; Sat, 30 Nov 2019 19:42:49 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 33716113639C; Sat, 30 Nov 2019 20:42:41 +0100 (CET) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 14/21] s390x/event-facility: Fix latent realize() error handling bug Date: Sat, 30 Nov 2019 20:42:33 +0100 Message-Id: <20191130194240.10517-15-armbru@redhat.com> In-Reply-To: <20191130194240.10517-1-armbru@redhat.com> References: <20191130194240.10517-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: 20_MptBPOImtUrb2Gi73Ew-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 205.139.110.61 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: Cornelia Huck , vsementsov@virtuozzo.com, David Hildenbrand Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" sclp_events_bus_realize() crashes when object_property_set_bool() fails and its @errp argument is null. Messed up in commit f6102c329c "s390/sclp: rework sclp event facility initialization + device realization". The bug can't bite as no caller actually passes null. Fix it anyway. Cc: David Hildenbrand Cc: Cornelia Huck Signed-off-by: Markus Armbruster --- hw/s390x/event-facility.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c index 66205697ae..cdcf9154c4 100644 --- a/hw/s390x/event-facility.c +++ b/hw/s390x/event-facility.c @@ -339,14 +339,16 @@ out: =20 static void sclp_events_bus_realize(BusState *bus, Error **errp) { + Error *err =3D NULL; BusChild *kid; =20 /* TODO: recursive realization has to be done in common code */ QTAILQ_FOREACH(kid, &bus->children, sibling) { DeviceState *dev =3D kid->child; =20 - object_property_set_bool(OBJECT(dev), true, "realized", errp); - if (*errp) { + object_property_set_bool(OBJECT(dev), true, "realized", &err); + if (errp) { + error_propagate(errp, err); return; } } --=20 2.21.0