#2732 BLOC Trial-3: JFFS2 does not perserve directory permissions across reboots when using a custom /sbin/init.
Zarro Boogs per Child
bugtracker at laptop.org
Thu Aug 9 18:43:50 EDT 2007
#2732: JFFS2 does not perserve directory permissions across reboots when using a
custom /sbin/init.
--------------------------------------+-------------------------------------
Reporter: mstone | Owner: dcbw
Type: defect | Status: new
Priority: blocker | Milestone: Trial-3
Component: distro | Version:
Keywords: jffs2, updates, security | Verified: 0
--------------------------------------+-------------------------------------
On a clean build 542 (B4), the following is adequate for me to reproduce
the bug:
(after booting, while logged in as root)
{{{
cp -f /bin/bash /sbin/init
}}}
after rebooting, via
{{{
/sbin/halt -fph
}}}
run
{{{
mount -o remount,rw /
umask 022
mkdir a
cp -la a b
ls -alF a b # permissions should be 0755 and 0755, respectively
mount -o remount,ro /
sync
/sbin/halt -fph
}}}
and after a final reboot
{{{
ls -alF a b # permissions will (incorrectly) be 0777 and 0700,
respectively
}}}
--
Ticket URL: <http://dev.laptop.org/ticket/2732>
One Laptop Per Child <http://laptop.org/>
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