Date: Fri, 4 Dec 2015 13:11:43 -0600
From: "Serge E. Hallyn" <serge@hallyn.com>
To: Seth Forshee <seth.forshee@canonical.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
        Alexander Viro <viro@zeniv.linux.org.uk>,
        Serge Hallyn <serge.hallyn@canonical.com>,
        Richard Weinberger <richard.weinberger@gmail.com>,
        Austin S Hemmelgarn <ahferroin7@gmail.com>,
        Miklos Szeredi <miklos@szeredi.hu>, linux-bcache@vger.kernel.org,
        dm-devel@redhat.com, linux-raid@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org,
        linux-fsdevel@vger.kernel.org, fuse-devel@lists.sourceforge.net,
        linux-security-module@vger.kernel.org, selinux@tycho.nsa.gov
Subject: Re: [PATCH 14/19] fs: Permit FIBMAP for users with CAP_SYS_RAWIO in
 s_user_ns
Message-ID: <20151204191143.GE3624@mail.hallyn.com>
References: <1449070821-73820-1-git-send-email-seth.forshee@canonical.com>
 <1449070821-73820-15-git-send-email-seth.forshee@canonical.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1449070821-73820-15-git-send-email-seth.forshee@canonical.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1208
Lines: 35

Quoting Seth Forshee (seth.forshee@canonical.com):
> Signed-off-by: Seth Forshee <seth.forshee@canonical.com>

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>

> ---
>  fs/ioctl.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ioctl.c b/fs/ioctl.c
> index 5d01d2638ca5..45c371bed7ee 100644
> --- a/fs/ioctl.c
> +++ b/fs/ioctl.c
> @@ -55,7 +55,7 @@ static int ioctl_fibmap(struct file *filp, int __user *p)
>  	/* do we support this mess? */
>  	if (!mapping->a_ops->bmap)
>  		return -EINVAL;
> -	if (!capable(CAP_SYS_RAWIO))
> +	if (!ns_capable(filp->f_inode->i_sb->s_user_ns, CAP_SYS_RAWIO))
>  		return -EPERM;
>  	res = get_user(block, p);
>  	if (res)
> -- 
> 1.9.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/