From nobody Fri Dec 19 07:31:07 2025 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 A3A6F19048F for ; Mon, 17 Feb 2025 07:38:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739777925; cv=none; b=idCIXoI7r8kJXsYkaCkrWr95h5NO6/7X7sVDtrGcYppds45J0J2xhliZXyVtWuoEzu8GLvCte/HicAkaZHRUUlZ7mLEi6GYsYSjkQHzc72RCVemJR8hmYaW4pzT9zXcdmZQilKl28fga7U6zA0omk/xLGrXn9k8WMtMV+PGJLBc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739777925; c=relaxed/simple; bh=DzCmSKwn2Q7/+q1uLCVQqEVP2Z5fvNZrI1/dmAalTWs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=kJIwcCI3fThy0mHPX1dm28G86GzAn9JRQ7mV+TcA4qfqIoSjO8kX0w+jl0FU2QneZmEKqIALLG6qpJLN0lDg8FQJsmFVpwq5Bk9pdaPWb9iwFEMFzJE9P378kff6hVUsCLaB3EEDY+Jf1WGPk0kf30uq2Hc+TTsLt8IwNLM33tw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=34ofnFwJ; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=HSAYgVR5; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="34ofnFwJ"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="HSAYgVR5" 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 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: quoted-printable 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= 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-b767-7= c7070468023@linutronix.de/ Signed-off-by: Thomas Wei=C3=9Fschuh --- arch/arm/mm/physaddr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mm/physaddr.c b/arch/arm/mm/physaddr.c index 3f263c840ebc462e13c34d33be0161e7a473173d..1176c75ebf74f9b948041d3356c= 411e0693d7873 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); =20 return __virt_to_phys_nodebug(x); --- base-commit: 0ad2507d5d93f39619fc42372c347d6006b64319 change-id: 20250217-restricted-pointers-arm-07493b11c0fc Best regards, --=20 Thomas Wei=C3=9Fschuh