From owner-svn-src-head@freebsd.org Thu Sep 1 13:14:32 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 609A1BCBD0A; Thu, 1 Sep 2016 13:14:32 +0000 (UTC) (envelope-from mav@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 mx1.freebsd.org (Postfix) with ESMTPS id 17F96D4; Thu, 1 Sep 2016 13:14:32 +0000 (UTC) (envelope-from mav@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u81DEVCQ076671; Thu, 1 Sep 2016 13:14:31 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u81DEVll076670; Thu, 1 Sep 2016 13:14:31 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201609011314.u81DEVll076670@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Thu, 1 Sep 2016 13:14:31 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r305194 - head/cddl/contrib/opensolaris/lib/libzfs/common X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Sep 2016 13:14:32 -0000 Author: mav Date: Thu Sep 1 13:14:31 2016 New Revision: 305194 URL: https://svnweb.freebsd.org/changeset/base/305194 Log: MFV r302642: 6876 Stack corruption after importing a pool with a too-long name illumos/illumos-gate@c971037baa5d64dfecf6d87ed602fc3116ebec41 https://github.com/illumos/illumos-gate/commit/c971037baa5d64dfecf6d87ed602fc3116ebec41 https://www.illumos.org/issues/6876 Calling dsl_dataset_name on a dataset with a 256 byte buffer is asking for trouble. We should check every dataset on import, using a 1024 byte buffer and checking each time to see if the dataset's new name is longer than 256 bytes. Reviewed by: Prakash Surya Reviewed by: Dan Kimmel Reviewed by: George Wilson Reviewed by: Yuri Pankov Approved by: Richard Lowe Author: Paul Dagnelie Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c Directory Properties: head/cddl/contrib/opensolaris/ (props changed) head/cddl/contrib/opensolaris/lib/libzfs/ (props changed) Modified: head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c ============================================================================== --- head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c Thu Sep 1 13:04:36 2016 (r305193) +++ head/cddl/contrib/opensolaris/lib/libzfs/common/libzfs_pool.c Thu Sep 1 13:14:31 2016 (r305194) @@ -1786,7 +1786,12 @@ zpool_import_props(libzfs_handle_t *hdl, case EEXIST: (void) zpool_standard_error(hdl, error, desc); break; - + case ENAMETOOLONG: + zfs_error_aux(hdl, dgettext(TEXT_DOMAIN, + "new name of at least one dataset is longer than " + "the maximum allowable length")); + (void) zfs_error(hdl, EZFS_NAMETOOLONG, desc); + break; default: (void) zpool_standard_error(hdl, error, desc); zpool_explain_recover(hdl,