From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 14203] New: File permissions not working correctly
Date: Mon, 21 Sep 2009 18:32:26 GMT
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http://bugzilla.kernel.org/show_bug.cgi?id=14203
Summary: File permissions not working correctly
Product: File System
Version: 2.5
Kernel Version: 2.6.31-10-386
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: ext4
AssignedTo: fs_ext4@kernel-bugs.osdl.org
ReportedBy: kendragonXXI@gmail.com
Regression: No
I have two ext4 partitions, one for the entire system(P1) and the other for all
my stuff(P2). The problem occurs in the P2 partition. If I set the permission
of a file to read-only(444), I'm still able to rename or delete that file, no
matters who's the owner of the file(that's happen even when the file owner is
the root). Another curious thing is that I can rename the file but I can not
replace that file with a file with the same name(in that case the error message
that I don't have permission to do that appears.
The permissions in the P1 partition works perfect. Here is the fstab file. If
more info is needed I'm glad to give it(kendragonXXI@gmail.com)
-----------------------------------------
cat fstab
# /etc/fstab: static file system information.
#
# Use 'vol_id --uuid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
#
proc /proc proc defaults 0 0
# / was on /dev/sda1 during installation
UUID=22ac88ac-ca10-4e94-8ae4-f92bd36e52be / ext4
relatime,errors=remount-ro 0 1
# /MASTER was on /dev/sda6 during installation
UUID=03e372ab-0d64-44da-824e-ee5c87e68d39 /MASTER ext4 relatime
0 2
# swap was on /dev/sda5 during installation
UUID=b3e5fce9-4543-43d3-965f-71f2c847d63b none swap sw
0 0
/dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
---------------------------------------
uname -a
Linux kendragonXXI 2.6.31-10-386 #34-Ubuntu SMP Wed Sep 16 02:18:28 UTC 2009
i686 GNU/Linux
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