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  1. #1

    root permission denied while luser can remove dir

    Originally I had posted this on, noone seemed interested and I was kinda wondering if either 1) they had all gone to determine root cause / replicate / write exploits with this in mind 2) think I'm making it up

    I'm just a little worried that someone will be able to figure it out and I will have to reinstall, along with a few other Linux users who don't know very in depth OS stuff. Is this just an anomilie while I burnt the DVD or is this somthing that someone should investigate and issue a security bulletin for?

    Original Post
    Hey everyone, I got an odd error. I tried:
    su root<entered my password>
    mount /dev/hdc /mnt/dvd
    cp /mnt/dvd/*.avi /home/user
    chown -R user /home/user
    I got cannot modify /home/user/.gvfs. Permission denied.

    This was on a fresh install of Slackware 12.1 with Gnome Slack Build installed. I googled and found that this was an issue for openSuse as well. It's a Gnome directory. The solution was to login as the user listed as owner and umount /home/user/.gvfs then rm -R /home/user/.gvfs.

    The only thing that scares me is that it's possible to have a user own something and deny permission to root!!! I think that would be a MAJOR bug in the linux security system.

    To replicate this try this:
    download slackware 12.1 DVD iso and burn it to dvd. Do a fresh install then once you create your user and his/her home dir set them as owner and change the group to users. Next all you have to do is run:

    lynx --source | bash
    this is the 32 bit installer, not sure if the same issue would appear in 64bit slackware.
    then run, as root, chown -R user /home/user. That's when I get the permission denied message.

    This system is on a network with a Windows Vista machine, they are not networked together at all except they both get IPs from the router. It's one of those speedster 5150 dsl modem/wireless router dealies.

    What's also odd is that when I did a ls -l /home/user/.gvfs as root I got permission denied and as the user listed as owner, well it wasn't listed anywhere but anyway, it just listed d???????? ? ? ? ? ???? ? ? etc.

  2. #2
    Linux Engineer b2bwild's Avatar
    Join Date
    Jul 2008
    Behind You!
    It is Gnome Virtual filesystem, its not perfect yet..and under development
    try updating your packages..there was same problem with me
    after upgrading my packages i got
    dr-x------ 2 root root 0 2008-08-09 08:45 .gvfs
    instead of d???????? permissions

    or just use this command
    chown -R user:user /home/user/*.avi

  3. #3
    I've gotten around the issue. I unmounted it as user and then deleted it then as root I ran chown -R user /home/user. The .gvfs auto created itself again and now lists dr-x.... but is still denying permission to root. I will just live with it until .gvfs is stable

    Thanks for your reply.


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