Re: [PATCH] fs/namei: fix UAF in pick_link() by unlazying before atime check

[Deepanshu Kartikey]

On Tue, Jun 2, 2026 at 6:13 AM Al Viro <viro@xxxxxxxxxxxxxxxxxx> wrote:
>
> NAK.  This is *not* fixing the real problem; it's papering over the
> real breakage.  At a guess - in bpffs, if that's the same thing as
> in https://lore.kernel.org/all/20260423043906.GN3518998@ZenIV/
>
> Prompt freeing of inode is allowed *ONLY* if inode is never exposed
> to lazy pathwalk.  It's OK for pipes, but this is not a pipe.

Thanks for the suggestion. I will send patch v2 with the required changes.

Thanks
Deepanshu