linux-kernel - Re: [PATCH] io_uring/rsrc: fix slab-out-of-bounds in io_buffer_register

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAFj5m9+g-QeQhg0jwiTLqSY-8tcZ2idBUCup7d5VobLENUJ+Tg@mail.gmail.com>
Date: Thu, 18 Dec 2025 10:58:08 +0800
From: Ming Lei <ming.lei@...hat.com>
To: veygax <veyga@...gax.dev>
Cc: Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...nel.dk>, 
	"io-uring@...r.kernel.org" <io-uring@...r.kernel.org>, Caleb Sander Mateos <csander@...estorage.com>, 
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] io_uring/rsrc: fix slab-out-of-bounds in io_buffer_register_bvec

On Thu, Dec 18, 2025 at 9:13 AM veygax <veyga@...gax.dev> wrote:
>
> On 18/12/2025 00:56, Keith Busch wrote:
> > I believe you're supposed to use the bio_add_page() API rather than open
> > code the bvec setup.
>
> True, but I wanted fine control to prove my theory

But almost there aren't such cases for in-tree uses, :-)

Thanks,