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Re: [libvirt] [PATCH] Ensure non-root can read /proc/meminfo file in LXC containers



On 06/05/2013 01:10 AM, Daniel P. Berrange wrote:
> From: "Daniel P. Berrange" <berrange redhat com>
> 
> By default files in a FUSE mount can only be accessed by the
> user which created them, even if the file permissions would
> otherwise allow it. To allow other users to access the FUSE
> mount the 'allow_other' mount option must be used. This bug
> prevented non-root users in an LXC container from reading
> the /proc/meminfo file.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=967977
> 
> Signed-off-by: Daniel P. Berrange <berrange redhat com>
> ---
>  src/lxc/lxc_fuse.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/src/lxc/lxc_fuse.c b/src/lxc/lxc_fuse.c
> index b6df99c..32886cd 100644
> --- a/src/lxc/lxc_fuse.c
> +++ b/src/lxc/lxc_fuse.c
> @@ -307,6 +307,7 @@ int lxcSetupFuse(virLXCFusePtr *f, virDomainDefPtr def)
>      /* process name is libvirt_lxc */
>      if (fuse_opt_add_arg(&args, "libvirt_lxc") == -1 ||
>          fuse_opt_add_arg(&args, "-odirect_io") == -1 ||
> +        fuse_opt_add_arg(&args, "-oallow_other") == -1 ||
>          fuse_opt_add_arg(&args, "-ofsname=libvirt") == -1)
>          goto cleanup1;
>  
> 

ACK

Thanks!


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