linux-kernel - Re: [PATCH v4 3/4] ublk: mark ublk_queue as const for ublk_register_io

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

Message-ID: <CADUfDZofzZk4vE4E=aKcTTDwm7KxT1F-3_xMTrw796nL_tH=YA@mail.gmail.com>
Date: Wed, 16 Apr 2025 12:12:46 -0700
From: Caleb Sander Mateos <csander@...estorage.com>
To: Uday Shankar <ushankar@...estorage.com>
Cc: Ming Lei <ming.lei@...hat.com>, Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/4] ublk: mark ublk_queue as const for ublk_register_io_buf

On Tue, Apr 15, 2025 at 6:00 PM Uday Shankar <ushankar@...estorage.com> wrote:
>
> We now allow multiple tasks to operate on I/Os belonging to the same
> queue concurrently. This means that any writes to ublk_queue in the I/O
> path are potential sources of data races. Try to prevent these by
> marking ublk_queue pointers as const in ublk_register_io_buf.
>
> Suggested-by: Ming Lei <ming.lei@...hat.com>
> Signed-off-by: Uday Shankar <ushankar@...estorage.com>

Reviewed-by: Caleb Sander Mateos <csander@...estorage.com>