From patchwork Mon Feb 17 07:38:37 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Patchwork-Id: 13977239 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id BCFF6C021A0 for ; Mon, 17 Feb 2025 07:40:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=9mlA1/guLuh60WCK2DaO4DFUk7OzFKB8ZoIzCPZt1mY=; b=W3G+vVU484ALv32npNfdJgy9MU J2fa/vboVAnqXlfKgCDPQPUmxcs9r6CJ2JuOdB5cwF138r0Uiy7QGmHHfv8zDeTLsEINlzLdFQ1xV z57B0dHCf3OM1IT9iZxpRHLfNHf/AX+/7NVg0vOIwyyI+3SA4XWYa1hWxJjIMHg8eETQMK4Md7Vj3 Qf+tXCr2W6hntKieOf/dG8UkiWVDv+4t3DELz6OGjuaEBb8x9hrpleEvT+vZfcmJ/hLrizx45vcBX 2hpEMgq7F9PpIxhXIlFShtQcZRZP9i9I3UEflAMQV4yOOek1l0NKHtfiIB8a71LFHYYrPD+6VcPeN FXK0oi4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tjvjp-00000003dJw-2Ts6; Mon, 17 Feb 2025 07:40:21 +0000 Received: from galois.linutronix.de ([193.142.43.55]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tjviE-00000003csZ-3ueQ for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2025 07:38:44 +0000 From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1739777921; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=9mlA1/guLuh60WCK2DaO4DFUk7OzFKB8ZoIzCPZt1mY=; b=34ofnFwJEtJouMlmHF/ZUBiNwYQonokDI5vQpMrQM3qDz67jnqeJkccZcW6beWTPUZ2ue5 Bq5MCDR2bOnu9jRb4qJQNMp2y3+BYTQZuG5QL/99UV2UqBSfCvqORA5N4shU44WfB2m4cm EC22fQvSAZwpjDdI8SpI4GXkjancGrc6fhusWp4mCEujwQjRaDVjGsuPYUVcuqOMfyZ1Mo 40oItNWQFLMpXi4+aSS+9ZtrBrsZvabMvc+sqwP2RM8rvTqUvfSMdCYTFD5AIaMtKuXmmV ZB7YvxCH6MQMOUnX18S8vEwLrqxJ1WcaLSD/S9+T0jEWtv9AO9rC2e9+0BqBGg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1739777921; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=9mlA1/guLuh60WCK2DaO4DFUk7OzFKB8ZoIzCPZt1mY=; b=HSAYgVR5LjY0wopQ0uT/pTTiyDNoGSLVbxLXLr8zMLUWUqj6wC7uRwyO4kYaGXEoCij2W8 IC6LhJ4fdiAZ1UDA== Date: Mon, 17 Feb 2025 08:38:37 +0100 Subject: [PATCH] ARM: mm: Don't use %pK through printk MIME-Version: 1.0 Message-Id: <20250217-restricted-pointers-arm-v1-1-aaa0fb22e18c@linutronix.de> X-B4-Tracking: v=1; b=H4sIAHznsmcC/x3MMQqAMAxA0atIZgNtVUSvIg61Rs1glaSIIN7d4 viG/x9QEiaFvnhA6GLlI2bYsoCw+bgS8pwNzrjGONuikCbhkGjG8+CYSBS97Gjauqsma4NZAuT 6FFr4/s/D+L4fTLOUwmkAAAA= X-Change-ID: 20250217-restricted-pointers-arm-07493b11c0fc To: Russell King Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Developer-Signature: v=1; a=ed25519-sha256; t=1739777921; l=1214; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=DzCmSKwn2Q7/+q1uLCVQqEVP2Z5fvNZrI1/dmAalTWs=; b=200qmgczWGefMX2ALuAf/85dinyilfNwPpX2sxD3XwPMd2kkWZiDqLpEYjJlwj4Qi4xhvljNT oFgGutxHif9Cda1CoQXuqQSHMJtVnbE8ch4HqSEFCXeTgBz4FySfAzP X-Developer-Key: i=thomas.weissschuh@linutronix.de; a=ed25519; pk=pfvxvpFUDJV2h2nY0FidLUml22uGLSjByFbM6aqQQws= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250216_233843_125354_E87ECF37 X-CRM114-Status: UNSURE ( 9.11 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Restricted pointers ("%pK") are not meant to be used through printk(). It can unintentionally expose security sensitive, raw pointer values. Use regular pointer formatting instead. Link: https://lore.kernel.org/lkml/20250113171731-dc10e3c1-da64-4af0-b767-7c7070468023@linutronix.de/ Signed-off-by: Thomas Weißschuh --- arch/arm/mm/physaddr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: 0ad2507d5d93f39619fc42372c347d6006b64319 change-id: 20250217-restricted-pointers-arm-07493b11c0fc Best regards, diff --git a/arch/arm/mm/physaddr.c b/arch/arm/mm/physaddr.c index 3f263c840ebc462e13c34d33be0161e7a473173d..1176c75ebf74f9b948041d3356c411e0693d7873 100644 --- a/arch/arm/mm/physaddr.c +++ b/arch/arm/mm/physaddr.c @@ -38,7 +38,7 @@ static inline bool __virt_addr_valid(unsigned long x) phys_addr_t __virt_to_phys(unsigned long x) { WARN(!__virt_addr_valid(x), - "virt_to_phys used for non-linear address: %pK (%pS)\n", + "virt_to_phys used for non-linear address: %p (%pS)\n", (void *)x, (void *)x); return __virt_to_phys_nodebug(x);