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AJvYcCV2w2LHx2bGTgBNiEQioiDvUzS901puMUwdMwhuKyPuu82Lzsx3oTNBLB1XzjApxNcWLCWaSSZMhg==@vger.kernel.org X-Gm-Message-State: AOJu0YxF+tu6KOriNr4+TRmahFW2eEQnm9wFfNSh63EFKg0uW0GqZAkw 7LYyWzh52wXtnbgZFzhppPuATl5KJ8VZM3S/kxKReVOBI6wNRFIZP4ZcQYqzHE8vMZp/DEJ+CZT 7Pe3ld1a6la3d/gET9RV+iYWBD+qq1BALqsDWU7J5ROd5Fm9ZJM1lA7qhgRr1wugHNyjwbENT+R wJwzhyrpnXzvxz9L/h9Qaz+KAZ9Tys1lZPQTpvh4TaP6g= X-Gm-Gg: AY/fxX486883ELT2i+QQ52TKHuzX8bT39fCYsUrQrakhDor4DbzrZlc+MAv+KH1mLmX WNVtyoVQRpjHAxbCQE9VEcqoVJIQfkF4eH/ToH9w9kzp8cbo8ccTNlzvpXbcjehEAgNZLTGscY6 R0PuqmDrwvOO0E5DpsvtDX0De8vvm7wSL7Sp6hRZoj3cjxcAwDwRAedPUkRyYH5Lu8I3k= X-Received: by 2002:a05:6102:f0b:b0:5df:c1b5:82e0 with SMTP id ada2fe7eead31-5e827803ccamr6424399137.32.1766026700573; Wed, 17 Dec 2025 18:58:20 -0800 (PST) X-Google-Smtp-Source: AGHT+IEwduYIFtSkwgUZvgQRh4VxhUNQm1FWc4tHZ/qykw1gh2BTLM89pS/ThQdso2k382yWQzN1/RRp6ggGM2WuqFM= X-Received: by 2002:a05:6102:f0b:b0:5df:c1b5:82e0 with SMTP id ada2fe7eead31-5e827803ccamr6424397137.32.1766026700222; Wed, 17 Dec 2025 18:58:20 -0800 (PST) Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20251217210316.188157-3-veyga@veygax.dev> <80a3a680-e42c-4d4e-b613-72385d3f46d5@veygax.dev> In-Reply-To: <80a3a680-e42c-4d4e-b613-72385d3f46d5@veygax.dev> From: Ming Lei Date: Thu, 18 Dec 2025 10:58:08 +0800 X-Gm-Features: AQt7F2rsbaKyMNOO0PBs-E7J-w8NUUQBpp-zuXfY_G8Le1IrmCwyBKZ64KUHMzM Message-ID: Subject: Re: [PATCH] io_uring/rsrc: fix slab-out-of-bounds in io_buffer_register_bvec To: veygax Cc: Keith Busch , Jens Axboe , "io-uring@vger.kernel.org" , Caleb Sander Mateos , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Thu, Dec 18, 2025 at 9:13=E2=80=AFAM veygax wrote: > > On 18/12/2025 00:56, Keith Busch wrote: > > I believe you're supposed to use the bio_add_page() API rather than ope= n > > 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,