[PATCH v6 17/40] af_unix: handle idmapped mounts

[James Morris]

On Thu, 21 Jan 2021, Christian Brauner wrote:

> When binding a non-abstract AF_UNIX socket it will gain a representation
> in the filesystem. Enable the socket infrastructure to handle idmapped
> mounts by passing down the user namespace of the mount the socket will
> be created from. If the initial user namespace is passed nothing changes
> so non-idmapped mounts will see identical behavior as before.
> 
> Link: https://lore.kernel.org/r/20210112220124.837960-25-christian.brauner@ubuntu.com
> Cc: Christoph Hellwig <hch at lst.de>
> Cc: David Howells <dhowells at redhat.com>
> Cc: Al Viro <viro at zeniv.linux.org.uk>
> Cc: linux-fsdevel at vger.kernel.org
> Reviewed-by: Christoph Hellwig <hch at lst.de>
> Signed-off-by: Christian Brauner <christian.brauner at ubuntu.com>


Reviewed-by: James Morris <jamorris at linux.microsoft.com>


-- 
James Morris
<jmorris at namei.org>