From owner-svn-src-all@freebsd.org Tue Jul 12 11:20:02 2016 Return-Path: Delivered-To: svn-src-all@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 22336B93CE4; Tue, 12 Jul 2016 11:20:02 +0000 (UTC) (envelope-from avg@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 C92441D36; Tue, 12 Jul 2016 11:20:01 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u6CBK0sY089364; Tue, 12 Jul 2016 11:20:00 GMT (envelope-from avg@FreeBSD.org) Received: (from avg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u6CBK0iG089363; Tue, 12 Jul 2016 11:20:00 GMT (envelope-from avg@FreeBSD.org) Message-Id: <201607121120.u6CBK0iG089363@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: avg set sender to avg@FreeBSD.org using -f From: Andriy Gapon Date: Tue, 12 Jul 2016 11:20:00 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r302642 - vendor-sys/illumos/dist/uts/common/fs/zfs vendor/illumos/dist/lib/libzfs/common X-SVN-Group: vendor MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 Jul 2016 11:20:02 -0000 Author: avg Date: Tue Jul 12 11:20:00 2016 New Revision: 302642 URL: https://svnweb.freebsd.org/changeset/base/302642 Log: 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: vendor/illumos/dist/lib/libzfs/common/libzfs_pool.c Changes in other areas also in this revision: Modified: vendor-sys/illumos/dist/uts/common/fs/zfs/spa.c Modified: vendor/illumos/dist/lib/libzfs/common/libzfs_pool.c ============================================================================== --- vendor/illumos/dist/lib/libzfs/common/libzfs_pool.c Tue Jul 12 11:18:25 2016 (r302641) +++ vendor/illumos/dist/lib/libzfs/common/libzfs_pool.c Tue Jul 12 11:20:00 2016 (r302642) @@ -1785,7 +1785,12 @@ 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,