Re: [PATCH 3/3] vfs: shave a branch in getname_flags

[Mateusz Guzik]

On Wed, Jun 5, 2024 at 5:03 PM Christian Brauner <brauner@xxxxxxxxxx> wrote:
>
> On Tue, Jun 04, 2024 at 05:52:57PM +0200, Mateusz Guzik wrote:
> > Check for an error while copying and no path in one branch.
>
> Fine to move that check up but we need to redo it after we recopied.
> It's extremely unlikely but the contents could've changed iirc. I can
> fix that up though.

Oh I see, you mean the buffer might have initially been too big so it
landed in the zmalloc fallback, but by that time userspace might have
played games and slapped a NUL char in there.

Fair, but also trivial to fix up, so I would appreciate if you sorted
it out, especially since you offered :)

-- 
Mateusz Guzik <mjguzik gmail.com>