Date: Wed, 11 Feb 2004 12:47:01 -0800 (PST) From: Scott Anderson <f00f00munkey@yahoo.com> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/62702: backup of /etc and /root durning sysinstall upgrade can loop if user backs up /etc in /root tree Message-ID: <200402112047.i1BKl1dl005534@www.freebsd.org> Resent-Message-ID: <200402112050.i1BKoF4i032901@freefall.freebsd.org>
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>Number: 62702
>Category: misc
>Synopsis: backup of /etc and /root durning sysinstall upgrade can loop if user backs up /etc in /root tree
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Feb 11 12:50:15 PST 2004
>Closed-Date:
>Last-Modified:
>Originator: Scott Anderson
>Release: 4.5-RELEASE
>Organization:
>Environment:
FreeBSD <host> 4.5-RELEASE FreeBSD 4.5-RELEASE #4: Wed Feb 6 20:11:53 GMT 2002 root@:/usr/src/sys/compile/MUNKEY i386
>Description:
While attempting an upgrade (using '/stand/sysinstall installUpgrade') I ran into a problem where files are copied, hit a recursive loop and potentially continue being copied until the partition is full.
When upgrading via sysinstall, the user (admin) is prompted for a location to backup /etc, if the user backs this up in the /root tree, this problem will be encountered. Selecting /root doesn't seem like a bad place, and the user isn't warned the next automatic step is that /root will be backed up into the backup of /etc (thus creating the loop).
A simple prompt not to backup /etc into the /root tree would suffice, or preventing this in the script might be helpful.
>How-To-Repeat:
'/stand/sysinstall installUpgrade'
Choose to backup /etc into /root (/root/backup/etc or some such)
Watch it take a long,long time to backup, wonder what is going on,go have a look in /root/backup/etc and find the huge recursive copy happening (/root/backup/etc/root/backup/etc/root/backup/etc...). :)
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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