From patchwork Tue Nov 16 15:08:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Laurent Vivier X-Patchwork-Id: 12622615 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AB910C433EF for ; Tue, 16 Nov 2021 15:09:41 +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 5F52461BFE for ; Tue, 16 Nov 2021 15:09:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 5F52461BFE Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:47548 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mn05c-0006oZ-Jx for qemu-devel@archiver.kernel.org; Tue, 16 Nov 2021 10:09:40 -0500 Received: from eggs.gnu.org ([209.51.188.92]:59972) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mn04m-0005Zy-Ki for qemu-devel@nongnu.org; Tue, 16 Nov 2021 10:08:48 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:51145) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mn04j-0001EN-KY for qemu-devel@nongnu.org; Tue, 16 Nov 2021 10:08:46 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1637075325; 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; bh=p6teif3SwfZLbHSIlR5FV5rpSQUPc5+ESByZZZZN/zQ=; b=f8IT0mV8lOpG0ZG4mTul+T558fcBBJf6JxHoAtYQhcil3+v+uaR25PD672twVyvJpazuor 2JY1HTSP2rWV1ynldHOfB6ZlTHcjraOPvYKG45DinbG6lTN5cwnGXlKhK8x073SI9/rpBC YpcJcxE01KRnAlCd/Gk84ntiFKfDfNI= 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-350-AQA1x7aMNHKUimiH_NbMIA-1; Tue, 16 Nov 2021 10:08:41 -0500 X-MC-Unique: AQA1x7aMNHKUimiH_NbMIA-1 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 C4204824F83; Tue, 16 Nov 2021 15:08:39 +0000 (UTC) Received: from thinkpad.redhat.com (unknown [10.39.192.169]) by smtp.corp.redhat.com (Postfix) with ESMTP id C99CC19723; Tue, 16 Nov 2021 15:08:38 +0000 (UTC) From: Laurent Vivier To: qemu-devel@nongnu.org Subject: [PATCH] pmu: fix pmu vmstate subsection list Date: Tue, 16 Nov 2021 16:08:37 +0100 Message-Id: <20211116150837.169291-1-lvivier@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lvivier@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=lvivier@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -34 X-Spam_score: -3.5 X-Spam_bar: --- X-Spam_report: (-3.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.697, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, Mark Cave-Ayland Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The subsection is not closed by a NULL marker so this can trigger a segfault when the pmu vmstate is saved. This can be easily shown with: $ ./qemu-system-ppc64 -dump-vmstate vmstate.json Segmentation fault (core dumped) Fixes: d811d61fbc6c ("mac_newworld: add PMU device") Cc: mark.cave-ayland@ilande.co.uk Signed-off-by: Laurent Vivier Reviewed-by: Greg Kurz Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Mark Cave-Ayland --- hw/misc/macio/pmu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/misc/macio/pmu.c b/hw/misc/macio/pmu.c index 4ad4f50e08c3..eb39c64694aa 100644 --- a/hw/misc/macio/pmu.c +++ b/hw/misc/macio/pmu.c @@ -718,6 +718,7 @@ static const VMStateDescription vmstate_pmu = { }, .subsections = (const VMStateDescription * []) { &vmstate_pmu_adb, + NULL } };