Re: [Jailkit-users] Jailkit and Fuse mounted filesystems

[Olivier Sessink]

On 12/13/2012 01:00 PM, Richard Scott wrote:
> Hi,
> 
> I'm having an issue with using JailKit and fuse mounted filesystem?
> Specifically GlusterFS: http://www.gluster.org/
> 
> I have written a bash script that creates a chroot with jailkit commands
> and sets the correct permissions etc and this works 100% of the time on
> an EXT4 FS:
> 
> 1# Dec 12 15:37:34 recon jk_chrootsh[31029]: now entering jail
> /home/scott for user richard (1500) with arguments
> 
> However, when I create a chroot (via the same script) inside the fuse
> mounted GlusterFS filesystem I get an error:
> 
> 2# Dec 12 15:43:02 recon jk_chrootsh[31796]: abort,
> /home/glusterfs/scottg is not a safe chroot jail.
> 
> In line #1 above I have used the chroot on ext4 and line #2 (the error)
> is the result from the GlusterFS fuse mounted file system. The same
> script was used to create both chroots and I am confident that
> permissions are all ok (as they are set in the script). One thing to
> note is that it used to work in the past (about 2 years ago). I've
> rolled back to an older version of GlusterFS and this hasn't fixed it
> but I've not been able to roll back jailkit due to the symlinks used on
> Fedora 17.
> 
> Does anyone have any ideas? Is this a bug?

you can compile jk_chrootsh with more debugging information, enable
#define DEBUG in the top of the file and recompile. This will probably
give a little more information on why it aborts.

Olivier

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