From patchwork Thu Jul 2 11:09:11 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 11638539 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D997813B4 for ; Thu, 2 Jul 2020 11:15:46 +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 B02AE2070C for ; Thu, 2 Jul 2020 11:15:46 +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="Bw4wWML4" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B02AE2070C 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:52998 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqxBx-00010m-Tf for patchwork-qemu-devel@patchwork.kernel.org; Thu, 02 Jul 2020 07:15:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqx68-0006Yw-Oo for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:44 -0400 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:47286 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jqx65-0000zZ-Ad for qemu-devel@nongnu.org; Thu, 02 Jul 2020 07:09:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1593688180; 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=k1MWI7VhaMYH7Yd6SWasPU1lHBnHm9CIvdtaPw08k48=; b=Bw4wWML4POe9UtoguWMyFfRlWSHZV7/5saC71eO+lNAZ+xiPZvvI/FOzXR9g6qRs/1+1N9 X5OcBLAs2e7sd8YFJdYPMxrYeS0904YApcvUsNC7B00tJIo/dabIWfcjRF5ykWosvu+l6s NVBYcc0YDDqen5Z3MJ3a5vSHP1Jnbkc= 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-480-dKzC_IeBM7i2Ynvinis4ag-1; Thu, 02 Jul 2020 07:09:38 -0400 X-MC-Unique: dKzC_IeBM7i2Ynvinis4ag-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E8819107ACF3; Thu, 2 Jul 2020 11:09:37 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-143.ams2.redhat.com [10.36.112.143]) by smtp.corp.redhat.com (Postfix) with ESMTPS id BA08C60CD3; Thu, 2 Jul 2020 11:09:34 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id B06AA1138474; Thu, 2 Jul 2020 13:09:31 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 08/28] usb/dev-mtp: Fix Error double free after inotify failure Date: Thu, 2 Jul 2020 13:09:11 +0200 Message-Id: <20200702110931.2953148-9-armbru@redhat.com> In-Reply-To: <20200702110931.2953148-1-armbru@redhat.com> References: <20200702110931.2953148-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.61; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/02 03:42:59 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, 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_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Gerd Hoffmann , qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" error_report_err() frees its first argument. Freeing it again is wrong. Don't. Fixes: 47287c27d0c367a89f7b2851e23a7f8b2d499dd6 Cc: Gerd Hoffmann Cc: Daniel P. Berrangé Cc: qemu-stable@nongnu.org Signed-off-by: Markus Armbruster Message-Id: <20200630090351.1247703-7-armbru@redhat.com> Reviewed-by: Daniel P. Berrangé --- hw/usb/dev-mtp.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c index 168428156b..15a2243101 100644 --- a/hw/usb/dev-mtp.c +++ b/hw/usb/dev-mtp.c @@ -634,7 +634,6 @@ static void usb_mtp_object_readdir(MTPState *s, MTPObject *o) error_reportf_err(err, "usb-mtp: failed to add watch for %s: ", o->path); - error_free(err); } else { trace_usb_mtp_file_monitor_event(s->dev.addr, o->path, "Watch Added"); @@ -1279,7 +1278,6 @@ static void usb_mtp_command(MTPState *s, MTPControl *c) if (err) { error_reportf_err(err, "usb-mtp: file monitoring init failed: "); - error_free(err); } else { QTAILQ_INIT(&s->events); }