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

From: Pavel Machek
Date: Fri Apr 18 2025 - 12:57:51 EST


Hi!

> From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
>
> [ 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?

Best regards,
Pavel

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