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 B930642C510; Tue, 1 Sep 2026 15:26:02 +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=1788276362; cv=none; b=RbeyWp0/QDT6MhR43KdkPVecFDFMJWNzrI+LhlnMh/9TtEWuAkrgqHQ0r+fKbtPBjs9bAg9ryUA6vrLJwgvXJAl+ZmbpTYexftuM96CxDKKvoXxdtZNDmsXHEbwBW3DGoPvXOFsOhk0dkOgv25UV41f4WowqBb5KMKFdNe/99Jg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788276362; c=relaxed/simple; bh=PzNlY+by+eDKCG/gwwF8fl6eXncwrhWOt0N3k65Vymk=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PREVBmPR7JOSsfruRoHEcN+4FrJqWES8We7WIS3VMCP8uqjT5MkebKW9ny/xTQGSrGGa5YPvWOmHKaHIX0nk4OL62W4HzyapW5Tq7FnadrPIWdpuj5QphERxF7IAXEpl4FQ7qqolBEUR8V/ReVZm+2bholC068gM/ZyK/PA856Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qzmY0u5C; 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="qzmY0u5C" Received: by smtp.kernel.org (Postfix) with ESMTPS id 7233BC2BCFB; Tue, 1 Sep 2026 15:26:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1788276362; bh=PzNlY+by+eDKCG/gwwF8fl6eXncwrhWOt0N3k65Vymk=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=qzmY0u5CfTJeQMWCFoBYZQ3bRr1JxQiVT0fFnmcR/UFB7PKcol8rt1W3MwOmJXPFl 9H+fstjEzemBHWba4Qy3mZrCAbm+uJ27xB/rYukRqTcy97MXIb0xoqekEvqL6kXvAQ 2PjJt/5QdHeD8KNELAWEcH+D8k1enhlJ5MeVVvDuQdeqfK9UOufwge9C4vv37XCViW keAsYelFvmqkX929yoR4fiCjEQb0NgyxzDaU43XGOBbvl9trRdhgPNxgTRbi3VOPb2 7cfpNRx+XLKYII6smTGbPR432AHx2oOTmrYSt55hw2v0WaDC/wDyKG917/lTAdJOY1 DKlda076WzlRA== 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 51B26C61DD6; Tue, 1 Sep 2026 15:26:02 +0000 (UTC) From: Kyle Hendry via B4 Relay Date: Tue, 01 Sep 2026 08:25:14 -0700 Subject: [PATCH v2 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: <20260901-rzn1-miic-fix-array-v2-2-3e907049e770@reliablecontrols.com> References: <20260901-rzn1-miic-fix-array-v2-0-3e907049e770@reliablecontrols.com> In-Reply-To: <20260901-rzn1-miic-fix-array-v2-0-3e907049e770@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: 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=1788276361; l=849; i=khendry@reliablecontrols.com; s=20260813; h=from:subject:message-id; bh=MhdDRNQknn2In7ONbA9ybldet9EPrQ6NvlgOYYQTM4g=; b=PDONzxbysOXtFlP/eLhwwV0o5qxPXT3oW1m5JDIuv5AbKKGB+X1XTBDh6CfwYbmjNLDQ2/0qW 2EZLXU1tUwIBmldJn5youpLenDxmqqBHjHT+JMIYlfdW7n7m0xssT6p 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 | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/pcs/pcs-rzn1-miic.c b/drivers/net/pcs/pcs-rzn1-miic.c index c50b65d064fa..ebd73ed63896 100644 --- a/drivers/net/pcs/pcs-rzn1-miic.c +++ b/drivers/net/pcs/pcs-rzn1-miic.c @@ -692,6 +692,11 @@ 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); + continue; + } + if (of_property_read_u32(conv, "renesas,miic-input", &conf)) continue; -- 2.43.0