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 292EA48CD6D; Mon, 14 Sep 2026 16:41:03 +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=1789404063; cv=none; b=gnOZoq4JIfKfeh4KpHn5DvC+EZLzw9NMLfE27ggV9YAWT7Sc98HfNbf/lBoXwLCf6Fgrvu4RhP0a6mjwtOQ00qzyqoGa38elGRJrZ4Rsrj5GikaPGeFeLZpiA+NGuVEmH8LE2gNfqkml3mhqffd1Du9uhU8sc8v7IshfhO+u6AM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789404063; c=relaxed/simple; bh=KlHJnK4l0GL6mKiQ0QksbC/TmEnpv+GpBJpUvC8dG1g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=goWvbrkc+KWd/AS6NvW9QkjGtmU0TEJZBjNk5ynNj+djEwxmIHS+NxRYAdtEuFOdPLtzJ6eOMaHhjXD4ABbIrUj2HRfjUx0qFPbTr/6Ebc7odSV5chhAJSjz2TJr2dyswsHsgO/YUeNsfj1akxy61QrRq0Cq4W9iZiQ4/8k2da4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OEQmasCz; 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="OEQmasCz" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0D858C2BCF5; Mon, 14 Sep 2026 16:41:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1789404062; bh=KlHJnK4l0GL6mKiQ0QksbC/TmEnpv+GpBJpUvC8dG1g=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=OEQmasCzQsn6+EFsDWJmIhY9eu3V+yqhz6gzYavFlyVP5x8sNdQ3yN8ZfyFSxp+Qi FLdsOslTfhy/IWwR8DUE0LAwwULunDQeZWH/yOGtS18LgH5AKVdoyK8qHUeIxd4B4E 6q4Xoso5jgiz9446iV5jAO01JkfuhV7fkLmVvnWcw/ktntlnxJLR98XLpheV5sa1QE jH5enSdx2/8MNIbL4NLZ78a85f45WNPpZcc6/aLkMnYOy72T0ekl6JTXl39jdlMXRq clbGgCGmawUooZHOaDrj62rKyQytpkOSF4hujhHx4OKh5sRrgYEXnnEQaylTcjDYSC L09QHt7J47X5Q== 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 E2D92C88E6F; Mon, 14 Sep 2026 16:41:01 +0000 (UTC) From: Kyle Hendry via B4 Relay Date: Mon, 14 Sep 2026 09:41:01 -0700 Subject: [PATCH v4 2/2] net: pcs: rzn1-miic: Verify port number from dtb 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 Message-Id: <20260914-rzn1-miic-fix-array-v4-2-069112feec86@reliablecontrols.com> References: <20260914-rzn1-miic-fix-array-v4-0-069112feec86@reliablecontrols.com> In-Reply-To: <20260914-rzn1-miic-fix-array-v4-0-069112feec86@reliablecontrols.com> 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 Cc: Lad Prabhakar , 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=1789404061; l=910; i=khendry@reliablecontrols.com; s=20260813; h=from:subject:message-id; bh=gR9n2wNMo/iMx5ArDsKUpiwBi7ZEib9TYLg7U6AV6BM=; b=EEMLgsCGJLg4SkTncIuLQ8I/sN407Z50po/zNnR0TPXme6UPqbtzob4P+skCXTWj2PwFS/D1j P7WYyP6t63gAGXiit701EQKn8j3bz6WHb3WhQH4X0KXuDuuDHE3O54K 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 From: Kyle Hendry Add check to make sure port number is in range before writing to dt_val array Signed-off-by: Kyle Hendry --- drivers/net/pcs/pcs-rzn1-miic.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index cb74861e823c..1bd95ddf9400 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -693,6 +693,14 @@ static int miic_parse_dt(struct miic *miic, u32 *mode_cfg) if (of_property_read_u32(conv, "reg", &port)) continue; + if (port < miic->of_data->miic_port_start || + port > miic->of_data->miic_port_max) { + dev_err(miic->dev, "Port number out of range: %d\n", port); + of_node_put(conv); + kfree(dt_val); + return -EINVAL; + } + if (of_property_read_u32(conv, "renesas,miic-input", &conf)) continue; -- 2.43.0