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

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Message-ID: <80a3a680-e42c-4d4e-b613-72385d3f46d5@veygax.dev>
Date: Thu, 18 Dec 2025 01:13:11 +0000
From: veygax <veyga@...gax.dev>
To: Keith Busch <kbusch@...nel.org>
Cc: Ming Lei <ming.lei@...hat.com>, 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 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

-- 
- Evan Lambert / veygax