Date: Mon, 12 May 2003 16:26:43 +0400 (MSD) From: Dmitry Sivachenko <mitya@cavia.pp.ru> To: FreeBSD-gnats-submit@FreeBSD.org Subject: kern/52110: FS corruption when using unionfs Message-ID: <200305121226.h4CCQhpg000630@tear.demos.su> Resent-Message-ID: <200305121230.h4CCUECn018635@freefall.freebsd.org>
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>Number: 52110
>Category: kern
>Synopsis: FS corruption when using unionfs
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon May 12 05:30:13 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator: Dmitry Sivachenko
>Release: FreeBSD 5.1-BETA i386
>Organization:
>Environment:
System: FreeBSD tear.demos.su 5.1-BETA FreeBSD 5.1-BETA #0: Mon May 12 15:23:41 MSD 2003 mitya@tear.demos.su:/usr/obj/usr/src/sys/TEAR i386
>Description:
See how-to-repeat.
>How-To-Repeat:
{tear}/home/mitya# mount_unionfs -b /usr/ports /mnt
{tear}/home/mitya# rmdir /mnt/misc
Thus, non-empty directory was removed. Bug #1.
{tear}/home/mitya# umount /mnt
{tear}/home/mitya# ls -laW /mnt
ls: misc: Bad file descriptor
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
total 2
drwxr-xr-x 2 root wheel 512 12 อมส 16:24 .
w--------- 0 root wheel 0 1 ัฮื 1970 ..
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Whiteout DOT-DOT directory appeared. Filesystem corruption.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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