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 0E14A551998; Wed, 14 Oct 2026 15:33:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791992022; cv=none; b=Fly+rCVwn4KpLEaNkUZ/ZqQ8QSpFPceTKSnXPI/sqt2mDtnD+Y5Bif52w7KrvXhcCmcOjyfzXWDaQ+EqBiScp8Xa0h9E/7qUC38VzAO8jhPGYxe6ywUPvoiUU7FbneBtyfwLOqTLUM0xUsezkEvrYaPS8URNUl1YoH+jPtzL/8c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791992022; c=relaxed/simple; bh=mK7HAM4nMy4eEc0HHmNewb99Ljc1vlTbcL9mEAk0cf8=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=Yy8cvZxWBVZTF3AGmKEUQNET+eiHqtvkF+ZSl2p9FlXTkuvZWqF3nOhj/F1PkazcJjDFE3+iW75nO59AhztZS2J7yBTTN0R/hw2PJbwnTKzFG35q8rgcBg+CIxkStWmU9GXzEMwAUrM4tLg4WM2tY5wKlWK4wAyaoTIAP5Wqa4s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=X/KqMZTE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="X/KqMZTE" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8E906C2BCF7; Wed, 14 Oct 2026 15:33:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1791992021; bh=mK7HAM4nMy4eEc0HHmNewb99Ljc1vlTbcL9mEAk0cf8=; h=From:Subject:Date:To:Cc:Reply-To:From; b=X/KqMZTE8v6giUeHvOPGuTfBy0B8Dmnx0UiAzPpAbkQNO5e5zyZGt0ZvRt6+OAy9H zidE8Kh/VWeoFjbgVk1PYIj++QWm2HJQW/O4E1ysGGGC03Oc9RGvFQAxTN2nhESqYh /Y0X7XqmI/iBj5LKtVzF39wp5NJdMMMIvtHUbAVlABk1XYfwQQeL9f5LtrX3TozvIz 1059mfX7QDdQRe/lXj5I235bNDPmwcsMEkK2TTtECaBwtet3n7/oiMeY4s937YhxIE kWT0aXIcFDtYHqZoN1ycQl9nU08regIYzF7Js184P38buKOut70OdStlBjt9d0+w8e OApv3dzXHR+1g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 64AFDCC6B1A; Wed, 14 Oct 2026 15:33:41 +0000 (UTC) From: Kyle Hendry via B4 Relay Subject: [PATCH net-next v4 0/2] net: pcs: rzn1-miic: Validate dtb configuration values Date: Wed, 14 Oct 2026 08:32:36 -0700 Message-Id: <20261014-miic-validate-dtb-v3-v4-0-b7da71b3a106@reliablecontrols.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAJSgz2oC/22NywrCMBREf6XctZG0sbG68j+kizxu7YU0kSSES um/G4pLYTaHYc5skDASJrg3G0QslCj4CpdTA2ZW/oWMbGXoeCdbznu2EBlWlCOrMjKbNSuCmUm 0Q8eNbvEGdfqOONF6aJ/gMTOPa4axNjOlHOLn+Cvi6H9q+V9dw5kcZHvVwhrVm0dER0o7NMHnG Fw6m7DAuO/7F8fWy9XNAAAA To: =?utf-8?q?Cl=C3=A9ment_L=C3=A9ger?= , Andrew Lunn , Heiner Kallweit , Russell King , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Geert Uytterhoeven , Magnus Damm , Lad Prabhakar Cc: linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kyle Hendry , Simon Horman X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1791992021; l=1495; i=khendry@reliablecontrols.com; s=20260813; h=from:subject:message-id; bh=mK7HAM4nMy4eEc0HHmNewb99Ljc1vlTbcL9mEAk0cf8=; b=iQkkI44ZNIWO2ba6mqSz9/slYIXSk9aYbVZBhy9HGZyz/1OfIshgOsbZG7CieLxdkoQN2coYy IgVCN2TP9zUCtQh6vccqZ25NReIH+WqzHB9rCh5473buUPLgBj2H+5r X-Developer-Key: i=khendry@reliablecontrols.com; a=ed25519; pk=gbK6oghz3qBlBiaGCsEzALLOtj5VklmsuolHQNhDV5M= X-Endpoint-Received: by B4 Relay for khendry@reliablecontrols.com/20260813 with auth_id=946 X-Original-From: Kyle Hendry Reply-To: khendry@reliablecontrols.com This series addresses issues found when reviewing another fix: https://lore.kernel.org/netdev/20260915-rzn1-miic-fix-array-v5-1-b7173fd5b97d@reliablecontrols.com/ Invalid values from the dtb could cause out of bounds array access. Checking the values as they're parsed should prevent this. Changes in v4: - Remove unnecessary else - Link to v3: https://lore.kernel.org/r/20261006-miic-validate-dtb-v3-v3-0-68617b3dca5c@reliablecontrols.com Changes in v3: - Squash patches changing miic_port_max - Change name of miic_port_max to miic_port_last - Remove fixes tags - Add another check for configuration value of miic-switch-portin - Link to v2: https://lore.kernel.org/r/20260928-miic-validate-dtb-v2-0-1ee3d33748e9@reliablecontrols.com/ Changes in v2: - Simplify fixes by making miic_port_max the last documented port number - Add fixes tags - Link to v1: https://lore.kernel.org/r/20260925-miic-validate-dtb-v1-0-3a6db9bb75ec@reliablecontrols.com Signed-off-by: Kyle Hendry --- Kyle Hendry (2): net: pcs: rzn1-miic: Update port numbering for RZ/T2H net: pcs: rzn1-miic: Validate dtb configuration values drivers/net/pcs/pcs-rzn1-miic.c | 42 ++++++++++++++++++++++++++++++++++------- 1 file changed, 35 insertions(+), 7 deletions(-) --- base-commit: 05b5019b01fb9443b09ae4ed34af1135a80a84c8 change-id: 20261005-miic-validate-dtb-v3-cf31820cb1e9 Best regards, -- Kyle Hendry