From owner-svn-src-stable@freebsd.org Mon Sep 24 14:48:28 2018 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 38F3610AE6F0; Mon, 24 Sep 2018 14:48:28 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E367F83E6D; Mon, 24 Sep 2018 14:48:27 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id DE4081AC69; Mon, 24 Sep 2018 14:48:27 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w8OEmRrS036914; Mon, 24 Sep 2018 14:48:27 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w8OEmR2w036913; Mon, 24 Sep 2018 14:48:27 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201809241448.w8OEmR2w036913@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Mon, 24 Sep 2018 14:48:27 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r338904 - stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Group: stable-11 X-SVN-Commit-Author: markj X-SVN-Commit-Paths: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-SVN-Commit-Revision: 338904 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Sep 2018 14:48:28 -0000 Author: markj Date: Mon Sep 24 14:48:27 2018 New Revision: 338904 URL: https://svnweb.freebsd.org/changeset/base/338904 Log: MFC r338724: Fix an nvpair leak in vdev_geom_read_config(). PR: 230704 Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c ============================================================================== --- stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Mon Sep 24 13:42:46 2018 (r338903) +++ stable/11/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/vdev_geom.c Mon Sep 24 14:48:27 2018 (r338904) @@ -415,9 +415,10 @@ vdev_geom_io(struct g_consumer *cp, int *cmds, void ** * least one valid label was found. */ static int -vdev_geom_read_config(struct g_consumer *cp, nvlist_t **config) +vdev_geom_read_config(struct g_consumer *cp, nvlist_t **configp) { struct g_provider *pp; + nvlist_t *config; vdev_phys_t *vdev_lists[VDEV_LABELS]; char *buf; size_t buflen; @@ -442,7 +443,6 @@ vdev_geom_read_config(struct g_consumer *cp, nvlist_t buflen = sizeof(vdev_lists[0]->vp_nvlist); - *config = NULL; /* Create all of the IO requests */ for (l = 0; l < VDEV_LABELS; l++) { cmds[l] = BIO_READ; @@ -458,6 +458,7 @@ vdev_geom_read_config(struct g_consumer *cp, nvlist_t VDEV_LABELS); /* Parse the labels */ + config = *configp = NULL; nlabels = 0; for (l = 0; l < VDEV_LABELS; l++) { if (errors[l] != 0) @@ -465,24 +466,26 @@ vdev_geom_read_config(struct g_consumer *cp, nvlist_t buf = vdev_lists[l]->vp_nvlist; - if (nvlist_unpack(buf, buflen, config, 0) != 0) + if (nvlist_unpack(buf, buflen, &config, 0) != 0) continue; - if (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_STATE, + if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE, &state) != 0 || state > POOL_STATE_L2CACHE) { - nvlist_free(*config); - *config = NULL; + nvlist_free(config); continue; } if (state != POOL_STATE_SPARE && state != POOL_STATE_L2CACHE && - (nvlist_lookup_uint64(*config, ZPOOL_CONFIG_POOL_TXG, + (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_TXG, &txg) != 0 || txg == 0)) { - nvlist_free(*config); - *config = NULL; + nvlist_free(config); continue; } + + if (*configp != NULL) + nvlist_free(*configp); + *configp = config; nlabels++; }