Re: [PATCH v3] Fixes: null pointer dereference in pfnmap_lockdep_assert

[Manas]

On 04.10.2024 19:15, Manas via B4 Relay wrote:
> From: Manas <manas18244@xxxxxxxxxxx>
>
> syzbot has pointed to a possible null pointer dereference in
> pfnmap_lockdep_assert. vm_file member of vm_area_struct is being
> dereferenced without any checks.
>
> This fix assigns mapping only if vm_file is not NULL.
I also edited the commit message (and cover letter) slightly to tell about the
newer fix, instead of the v1 fix of returning.

I hope this is okay.

--
Manas