Date: Thu, 7 Aug 2008 10:40:05 GMT From: Kris Kennaway <kris@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/126324: [patch] rc.d/tmp: Prevent mounting /tmp in second time Message-ID: <200808071040.m77Ae5ob081315@freefall.freebsd.org>
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The following reply was made to PR bin/126324; it has been noted by GNATS.
From: Kris Kennaway <kris@FreeBSD.org>
To: Kris Kennaway <kris@FreeBSD.org>
Cc: Alex Kozlov <spam@rm-rf.kiev.ua>, freebsd-gnats-submit@FreeBSD.org
Subject: Re: bin/126324: [patch] rc.d/tmp: Prevent mounting /tmp in second
time
Date: Thu, 07 Aug 2008 12:35:43 +0200
Kris Kennaway wrote:
> Alex Kozlov wrote:
>
>> Index: src/etc/rc.d/tmp
>> @@ -43,6 +43,7 @@
>> #
>> case "${tmpmfs}" in
>> [Yy][Ee][Ss])
>> + /sbin/umount /tmp 2>/dev/null && echo /tmp was already mounted!
>> mount_md ${tmpsize} /tmp "${tmpmfs_flags}"
>> chmod 01777 /tmp
>> ;;
>> @@ -57,6 +58,7 @@
>> echo "dropping into shell, ^D to continue anyway."
>> /bin/sh
>> else
>> + /sbin/umount /tmp 2>/dev/null && echo /tmp was already
>> mounted!
>> mount_md ${tmpsize} /tmp "${tmpmfs_flags}"
>> chmod 01777 /tmp
>> fi
>
> This will destroy any files the admin may have deliberately created on
> /tmp after dropping to single user mode.
Er, coffee hadn't kicked in. That will only happen with tmpfs which
isn't used yet. Still, a better solution might keep that in mind to
avoid introducing a bug later.
Kris
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