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 6CD6647DD79; Wed, 2 Sep 2026 18:37:36 +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=1788374256; cv=none; b=cQBpD/QWS4jrCbbi0Ld8Xiw5vTljOVc1DnIQpTvzNzn4gyb8WNn3aYC0M1DK69PpkAazII7MfstJTYOPbvsRFksfehzPTXvMb8yGFmvG/Ywyon4+CI4aWCxuGI5iCFVhnZdq9kCfbmX7I/Fe5xjK3zgoj4F5E9ReLCddwIfqjkQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788374256; c=relaxed/simple; bh=V/1UstqcdN1RXWpfcFWx4DWNsEz/FVYAw2CVF01Y1nw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=HteAWmNCyJWVLhW+IZQKHKamET8RC+2hCE+HXRgjUdCIoZ50L8ce1S9nvpQwHlayD8PSWDLeL3FQ7hTpMKeWYU8ROHU9k4s0pbOlUsLsnR98hZaQsOPnLwo6FobP9G7Y2vFqB5ehgQNNet+yC/rTUFdq8W/1ctvOJBlpe8Or0ls= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jZHoN9Wn; 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="jZHoN9Wn" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1E28FC2BCFA; Wed, 2 Sep 2026 18:37:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788374256; bh=V/1UstqcdN1RXWpfcFWx4DWNsEz/FVYAw2CVF01Y1nw=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=jZHoN9Wn7CARjZwKfObbuXnqqb8hifbp/RUqbBlneOqOJVGaK6JdAf2+82CSujDls bL8v76iVxqgDAo3LZyYVrEocokyzC14R2lEwXehVecKjLKG/L6AGWi98V2ABVvRUs4 dA3q54goq3ojB0yuTC611IxeJGdAAXI6E7r4kB0EouhvfAH+dDJI1fYaInIKhgGcdq aFQVs1tjA3PDVfuCNw0cH/Iiwoy1K6w+WEYhN087XEyf4f5WKhl54KtjLuO0shTA/j fjEMfAcO/KryJDaUtDf6oq9ETPy7ZmFz/Yj1uZAjvL1Z8wrjHiFomrdqCZ2GN+QKTb KKwvX7Yc4ym4g== 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 F28ECC624DA; Wed, 2 Sep 2026 18:37:35 +0000 (UTC) From: Kyle Hendry via B4 Relay Date: Wed, 02 Sep 2026 11:37:36 -0700 Subject: [PATCH v3 2/2] net: pcs: rzn1-miic: Verify port number from dtb Precedence: bulk X-Mailing-List: netdev@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: <20260902-rzn1-miic-fix-array-v3-2-3f7dccffaf5a@reliablecontrols.com> References: <20260902-rzn1-miic-fix-array-v3-0-3f7dccffaf5a@reliablecontrols.com> In-Reply-To: <20260902-rzn1-miic-fix-array-v3-0-3f7dccffaf5a@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=1788374255; l=876; i=khendry@reliablecontrols.com; s=20260813; h=from:subject:message-id; bh=8y+5McTvkwszKCn2II2jDDP1RMF2tNDKh17/+uJhtIE=; b=TkRRZTNT5I0U+Kq0Oxx8yAwBDBXPZaXnYpHXZq12Bf8aLwr5perqcOOOV9mncntB9CPTFWJRq h9nNZgOwzdFBWI2A/JdSdrHedtqo/qpqCpoFbi6PfGgXzoCDn4iojb8 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 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index c50b65d064fa..3ee40eb9d545 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -692,6 +692,12 @@ 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); + kfree(dt_val); + return -EINVAL; + } + if (of_property_read_u32(conv, "renesas,miic-input", &conf)) continue; -- 2.43.0