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 1A7B747ECC2; Mon, 28 Sep 2026 21:19:30 +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=1790630371; cv=none; b=S+UnDP0RRocTXeeTr6ikCmimjmgq37Aw/p1Stuv5GiAPyjw0McM4JBeepF9WaSHXZfjwMYx1BFXMfIIsKCvXO0bZXU2sgFQCprJ0/f8zw1cU6oVNdOSacuLJnDJaecuX9mCea+gRCuNc3eGl58JeRhc2Jj99E//9vqY68DDQ7Tw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790630371; c=relaxed/simple; bh=iRVAveAkN4lPEVWRQS+tEuxrYtH4+i3EDxsR7o9RjZ0=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=mEbP+TTZdLY3p8L/XzUFLQ2lDOLo9cm6tspCHdEztqAWP6Xjx6v7ybTlwkqv5r/n9WNiNaQw3CkPQPzXfCOJO9Z9vJ1uRP3qVvbSo6lDjg92dOJrSGbdZc78dp8d2dGGO7d7yYUdz7ISd0TwSpOzrH0rq8Zwy2g2VCglu/2//3A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I0CyNRPW; 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="I0CyNRPW" Received: by smtp.kernel.org (Postfix) with ESMTPS id A38E0C2BCB3; Mon, 28 Sep 2026 21:19:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1790630370; bh=iRVAveAkN4lPEVWRQS+tEuxrYtH4+i3EDxsR7o9RjZ0=; h=From:Subject:Date:To:Cc:Reply-To:From; b=I0CyNRPWVju8Nn+IXfpyxbOiw43JbQhnsuXu7zcxRKw8eUCEqrHZahhLMEF3VBQ86 SDFvoRPHJs0qFv+Mnfc9fuPrJbiQrGEoCN00bqg+1VTXyYN4AMvyiOu/+qYlCl3Rwx mN60o6OhBpHRE/KC4nEKp7AbqpXvCEy2YEYEm+OfcPWp1YpbZi74oHjGJpUHHQtGye rWiA44I4X3Gq3Hbq4+sA3Hh5nR/1e6VD4ZzYHBTslBPC8yikNkuuibybfhN3gw2RWU N3EovUHZDutJnLWui3UYa57yi/nLqrhUDcdKTd/303tzYDpThEsVt/Ff+IjD7dz2dJ AXdPsy8q9R0+w== 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 7DAF6CA5FA3; Mon, 28 Sep 2026 21:19:30 +0000 (UTC) From: Kyle Hendry via B4 Relay Subject: [PATCH net-next v2 0/3] net: pcs: rzn1-miic: Validate dtb configuration values Date: Mon, 28 Sep 2026 14:19:02 -0700 Message-Id: <20260928-miic-validate-dtb-v2-0-1ee3d33748e9@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=H4sIAMbZumoC/22NywrCMBBFf6XM2khM3678D+kij6kdSBNJQqiU/ ruhuHR5ONxzd4gYCCPcqx0CZorkXQFxqUAv0r2QkSkMgouOj6JhK5FmWVoyMiEzSTE160bVA1f 9IKDs3gFn2s7mExwm5nBLMBWzUEw+fM6zfDv9r9v+6eYb46yWnVGjUn2L+hHQklQWtXcpeBuv2 q8wHcfxBbi7mR/HAAAA 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 , Lad Prabhakar Cc: linux-renesas-soc@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Kyle Hendry X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1790630370; l=1083; i=khendry@reliablecontrols.com; s=20260813; h=from:subject:message-id; bh=iRVAveAkN4lPEVWRQS+tEuxrYtH4+i3EDxsR7o9RjZ0=; b=qrz/MSsI7PE74TwbQ6TijW5nwDtWRzcnZRvgr5mo+Exqx+4rRNYoXk7QWy/Rd5ir6lFE1HiHu Lx8lvFSv3kxACdeqXc1IIEA3N6GJ7/thkUHQprN9KOKU5W9OaiV0pFo 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. Signed-off-by: Kyle Hendry --- 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 --- Kyle Hendry (3): net: pcs: rzn1-miic: Fix port numbering on RZ/T2H net: pcs: rzn1-miic: Fix miic register initialization loop net: pcs: rzn1-miic: Validate dtb configuration values drivers/net/pcs/pcs-rzn1-miic.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) --- base-commit: 014d795c73837ea2339a4ea8e8f82c6e959b845d change-id: 20260924-miic-validate-dtb-bfc4b380b782 Best regards, -- Kyle Hendry