Re: [PATCH] cgroup: replace BUG_ON()s in compare_css_sets() with WARN_ON_ONCE()

[Shaojie Sun]

On Thu, Nov 05, 2026 at 05:52:29AM -1000, Tejun Heo wrote:
> Why are we changing this now? These never fired, and if they ever fire,
> we're in a very deep doodoo.

Agreed -- these checks never fire in practice, and if they ever do the
css_set bookkeeping is already inconsistent, so stopping right there is
better than limping on with a broken css_set.  The BUG_ON()s are the
right thing here.

I'm withdrawing the patch.  Thanks for taking a look.

-- 
Shaojie