Re: [PATCH v1] fsnotify: Pass correct offset to fsnotify_mmap_perm()

[David Hildenbrand]

On 03.10.25 17:52, Ryan Roberts wrote:
> fsnotify_mmap_perm() requires a byte offset for the file about to be
> mmap'ed. But it is called from vm_mmap_pgoff(), which has a page offset.
> Previously the conversion was done incorrectly so let's fix it, being
> careful not to overflow on 32-bit platforms.
>
> Discovered during code review.
>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Fixes: 066e053fe208 ("fsnotify: add pre-content hooks on mmap()")
> Signed-off-by: Ryan Roberts <ryan.roberts@xxxxxxx>
> ---
> Applies against today's mm-unstable (aa05a436eca8).

Curious: is there some easy way to write a reproducer? Did you look into 
that?

LGTM, thanks

Acked-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers

David / dhildenb