[PATCH] kernel/sys.c: fix and improve control flow in __sys_setres[ug]id()

[Andrew Morton]

On Wed, 15 Feb 2023 14:18:07 +0100 Ondrej Mosnacek <omosnace at redhat.com> wrote:

> 1. First determine if CAP_SET[UG]ID is required and only then call
>    ns_capable_setid(), to avoid bogus LSM (SELinux) denials.

Can we please have more details on the selinux failures?  Under what
circumstances?  What is the end-user impact?

Because a fix for "bogus LSM (SELinux) denials" sounds like something
which should be backported into earlier kernels, but there simply isn't
sufficient information here for others to decide on this.