From owner-freebsd-bugs@FreeBSD.ORG Fri Jan 29 12:20:10 2010 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 872E6106568F for ; Fri, 29 Jan 2010 12:20:10 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 4A4C58FC1C for ; Fri, 29 Jan 2010 12:20:10 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id o0TCKAVi045050 for ; Fri, 29 Jan 2010 12:20:10 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id o0TCKAbx045049; Fri, 29 Jan 2010 12:20:10 GMT (envelope-from gnats) Resent-Date: Fri, 29 Jan 2010 12:20:10 GMT Resent-Message-Id: <201001291220.o0TCKAbx045049@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Dmitry Morozovsky Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EADBC106568B for ; Fri, 29 Jan 2010 12:15:01 +0000 (UTC) (envelope-from marck@woozle.rinet.ru) Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) by mx1.freebsd.org (Postfix) with ESMTP id 6A8A68FC0A for ; Fri, 29 Jan 2010 12:15:00 +0000 (UTC) Received: from woozle.rinet.ru (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.3/8.14.3) with ESMTP id o0TCExKR012469 for ; Fri, 29 Jan 2010 15:14:59 +0300 (MSK) (envelope-from marck@woozle.rinet.ru) Received: (from marck@localhost) by woozle.rinet.ru (8.14.3/8.14.3/Submit) id o0TCExr0012468; Fri, 29 Jan 2010 15:14:59 +0300 (MSK) (envelope-from marck) Message-Id: <201001291214.o0TCExr0012468@woozle.rinet.ru> Date: Fri, 29 Jan 2010 15:14:59 +0300 (MSK) From: Dmitry Morozovsky To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/143343: ZFS: bug in sunlink flag on directories X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Dmitry Morozovsky List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Jan 2010 12:20:10 -0000 >Number: 143343 >Category: kern >Synopsis: ZFS: bug in sunlink flag on directories >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jan 29 12:20:09 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Dmitry Morozovsky >Release: FreeBSD 8-STABLE >Organization: Cronyx Plus LLC (RiNet ISP) >Environment: System: FreeBSD 8-STABLE >Description: On UFS, [s]unlink flag set on a directory does NOT prevent from changing its content, like creating new files or renaming existing. On ZFS, these flags are effectively equivalent to immutable. >How-To-Repeat: Script started on Fri Jan 29 15:02:57 2010 root@hamster:/var/tmp# echo this is ZFS this is ZFS root@hamster:/var/tmp# mkdir sunlnk-test root@hamster:/var/tmp# cd !$ cd sunlnk-test root@hamster:/var/tmp/sunlnk-test# mkdir test root@hamster:/var/tmp/sunlnk-test# chflags sunlnk test root@hamster:/var/tmp/sunlnk-test# echo 123 >test/testfile root@hamster:/var/tmp/sunlnk-test# mv test/testfile test/testfile.new mv: rename test/testfile to test/testfile.new: Operation not permitted root@hamster:/var/tmp/sunlnk-test# exit exit Script done on Fri Jan 29 15:03:52 2010 Script started on Fri Jan 29 15:04:10 2010 root@hamster:/tmp# echo this is UFS this is UFS root@hamster:/tmp# mkdir test root@hamster:/tmp# chflags sunlnk test root@hamster:/tmp# echo 123 >test/testfile root@hamster:/tmp# mv test/testfile test/testfile.new root@hamster:/tmp# rm -rf test rm: test: Operation not permitted root@hamster:/tmp# ls -lao test total 4 drwxr-xr-x 2 root wheel sunlnk 512 Jan 29 15:04 ./ drwxrwxrwt 8 root wheel - 512 Jan 29 15:04 ../ root@hamster:/tmp# exit exit Script done on Fri Jan 29 15:05:11 2010 >Fix: >Release-Note: >Audit-Trail: >Unformatted: