From owner-freebsd-bugs@freebsd.org Wed Jan 27 16:12:53 2021 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 0BC334FD13E for ; Wed, 27 Jan 2021 16:12:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 4DQpY06m9jz4jBP for ; Wed, 27 Jan 2021 16:12:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id E65034FCEE5; Wed, 27 Jan 2021 16:12:52 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E60D24FD13D for ; Wed, 27 Jan 2021 16:12:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4DQpY068Kmz4jM1 for ; Wed, 27 Jan 2021 16:12:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C61821F555 for ; Wed, 27 Jan 2021 16:12:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 10RGCqof073284 for ; Wed, 27 Jan 2021 16:12:52 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 10RGCqIf073283 for bugs@FreeBSD.org; Wed, 27 Jan 2021 16:12:52 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 253048] unionfs shows old file with link count of zero Date: Wed, 27 Jan 2021 16:12:53 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: janm@transactionware.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Jan 2021 16:12:53 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253048 Bug ID: 253048 Summary: unionfs shows old file with link count of zero Product: Base System Version: 12.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: janm@transactionware.com After executing pwd_mkdb on a system with a unionfs mount above /etc, the /etc/spwd.db file is the old version of the file with a link count of zero. Filesystems: /dev/gpt/root1 on / (ufs, local, read-only) /dev/gpt/cfg on /cfg (ufs, local, synchronous, soft-updates) :/cfg/etc on /etc (unionfs, local, read-only) Command: pwd_mkdb -p -d /cfg/etc /cfg/etc/master.passwd Results: $ ls -il /etc/*pwd.db 65721 -rw-r--r-- 1 root wheel 40960 27 Jan 16:32 /etc/pwd.db 65720 -rw------- 0 root wheel 40960 26 Jan 14:04 /etc/spwd.db $ ls -il /cfg/etc/*pwd.db 65721 -rw-r--r-- 1 root wheel 40960 27 Jan 16:32 /cfg/etc/pwd.db 65724 -rw------- 1 root wheel 40960 27 Jan 16:32 /cfg/etc/spwd.db The /etc/spwd.db file with inode number 65720, and a link count of zero, is identical to the /cfg/etc/spwd.db file from before the pwd_mkdb command (checked against a backup). Removing /cfg/etc/spwd.db removes the file from /cfg/etc/spwd.db, but the /etc/spwd.db version does not change. --=20 You are receiving this mail because: You are the assignee for the bug.=