Re: [PATCH v4 1/1] exec: seal system mappings

[Johannes Berg]

On Fri, 2025-01-03 at 15:48 -0500, Liam R. Howlett wrote:
> 
> So we have at least two userspace uses that this will breaks: checkpoint
> restore and now gVisor, but who knows what else?

I believe we previously pointed out it might also break running the
ARCH=um kernel:

https://lore.kernel.org/all/2e5de601da34342d8eb0d8319dcf81ff213c7ef0.camel@xxxxxxxxxxxxxxxx/

johannes