What SELinux and avc messages appear in your dmesg output on the device?

On Tue, Aug 19, 2014 at 1:29 PM, Biswajit Paul
<[email protected]> wrote:
> Hi All,
>
> Type of the context is defined in file.te and I can see the policy getting
> built and compiled into binary. Verified the same on policy.conf and the
> type does exist. Also the partition is mounted only once during the bootup.
>
>
>
> Thanks,
>
> Biswajit
>
>
>
> From: William Roberts [mailto:[email protected]]
> Sent: Tuesday, August 19, 2014 7:48 AM
> To: rpcraig
> Cc: [email protected]; Biswajit Paul
> Subject: Re: Need help in labelling vfat filesystem
>
>
>
> You should see an error in dmsg iirc if the type doesn't exist during mount.
>
> On Aug 19, 2014 4:32 AM, "Robert Craig" <[email protected]> wrote:
>
> As long as you're including the file.te you mention with the compiled policy
> then your approach seems correct. I would assume that if you had a missing
> xyz_type definition in your policy (missing file.te entry) but included the
> context= option then the mount would outright fail (dmesg would probably
> show SELinux: security_context_to_sid(u:object_r:xyz_type:s0) failed
> for...). The context= mount option should work as the string just gets
> passed through to the kernel and the kernel passes it to SELinux to
> interpret. It's probably a long shot, but is it possible that your partition
> is being mounted elsewhere first?
>
> On 08/18/2014 10:53 PM, Biswajit Paul wrote:
>
> Dear Experts,
>
> I am trying to set the context for a vfat mounted partition. My current
> context shows as “vfat” which is the default one.
>
>
>
> I tried defining a new context while mounting using
> context=”u:object_r:xyz_type:s0” option in my fstab.<board> files and  I am
> defining xyz_type as below in file.te
>
>
>
> type  xyz_type, fs_type, contextmount_type;
>
>
>
> I still see the old context. Any input on how to set the new context for
> VFAT is highly appreciated.
>
>
>
> Regards,
>
> Biswajit
>
>
>
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