Re: Add Morton,Peter and David for discussion//Re: [PATCH -next] uprobes: fix two zero old_folio bugs in __replace_page()

[Oleg Nesterov <oleg@xxxxxxxxxx>]

On 02/20, Tong Tiangen wrote:
>
> 在 2025/2/20 16:38, David Hildenbrand 写道:
> >On 20.02.25 03:31, Tong Tiangen wrote:
> >>
> >>@@ -506,6 +506,12 @@ int uprobe_write_opcode(struct arch_uprobe
> >>*auprobe, struct mm_struct *mm,
> >>          if (ret <= 0)
> >>                  goto put_old;
> >>
> >>+       if (WARN(is_zero_page(old_page),
> >
> >This can likely be triggered by user space, so do not use WARN.
>
> OK,thanks.
>
> Hi Oleg, is that all right?

Thanks, LGTM.

Oleg.