Re: [Bug report] hash_name() may cross page boundary and trigger sleep in RCU context

From: Linus Torvalds
Date: Tue Dec 02 2025 - 17:08:10 EST


On Tue, 2 Dec 2025 at 04:43, Russell King (Oracle)
<linux@xxxxxxxxxxxxxxx> wrote:
>
> What I'm thinking is to address both of these by handling kernel space
> page faults (which will be permission or PTE-not-present) separately
> (not even build tested):

That patch looks sane to me.

But I also didn't build test it, just scanned it visually ;)

Linus