Re: [PATCH AUTOSEL 5.10] umount: Allow superblock owners to force umount

On Fri, Apr 18, 2025 at 06:51:38PM +0200, Pavel Machek wrote:

Hi!

...

From: Trond Myklebust trond.myklebust@hammerspace.com

[ Upstream commit e1ff7aa34dec7e650159fd7ca8ec6af7cc428d9f ]

Loosen the permission check on forced umount to allow users holding CAP_SYS_ADMIN privileges in namespaces that are privileged with respect to the userns that originally mounted the filesystem.

Should we be tweaking permissions in -stable?

Seems fine to me if you'd backport it.