Re: [PATCH mm-hotfixes v2 2/4] x86/mm/pat: acquire mmap lock on page table free to avoid ptdump UAF

[Borislav Petkov]

On Sun, Jul 12, 2026 at 11:42:25AM +0100, Lorenzo Stoakes wrote:
> This patch resolves the issue by acquiring the mmap read lock on init_mm to

s/This patch resolves/Resolve/

> provide mutual exclusion against ptdump, which acquires the init_mm write
> lock.

...

> We also include cleanup.h in order to use a scoped_guard() to implement
> this cleanly.

You don't need to explain that.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette