From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADA129474 for ; Tue, 14 Nov 2023 04:12:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Fqyz+/mE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 81247C433C9; Tue, 14 Nov 2023 04:12:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699935137; bh=W9M0gdnNmo/iFaQEqYz6VwfNIbLegUgx6Nm7XrUcdv8=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=Fqyz+/mEDOLtPeD391H8QwRguzC3HYKbFWT1+l9FWnUWtHzfILtLZgP41RHlBpHUx xkceMkWUWPbWph+kW2vLwtFfU8w4cQ5cOXZaBAfZWBnGe6J42TWIW4r0N86hCtfmYi ANi3ks1zqcbgVyuWlrodV1EjGZG1McEOcYVRquzSLx7fqIII3CpLd2ziFLUz3WGskg f5p04MXqCY78oiXXKWiK13FiltDw+C4qLy6umtU4rsuxqsIqwNX0soLe/unqB09tH+ ICUNS/tPp/0zU4Zb+26wX4a82r05OMBxLlp88ktaT+bLZOtf8A5lXT4UFd4+rOp/zF qa7ou1g6JjfcQ== Date: Mon, 13 Nov 2023 23:12:14 -0500 From: Jakub Kicinski To: Gal Pressman Cc: "David S. Miller" , , Vlad Buslov Subject: Re: [PATCH net] net: Fix undefined behavior in netdev name allocation Message-ID: <20231113231214.2131a1da@kernel.org> In-Reply-To: <20231113230902.7f342501@kernel.org> References: <20231113083544.1685919-1-gal@nvidia.com> <20231113230902.7f342501@kernel.org> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Mon, 13 Nov 2023 23:09:02 -0500 Jakub Kicinski wrote: > IIUC once we cross into 3-digit IDs we may crash? Not really crash I guess just repeat some numbers until the end of the buffer.