From patchwork Mon Feb 17 07:39:06 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: 13977243 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 9D6FEC021A0 for ; Mon, 17 Feb 2025 07:42:01 +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=jNR2ygIUsv1k2EwiRdxBTOrxxKHAiE6CwbD0ihBu6Rs=; b=t6r4QItd8371nm24mufsZWpJPS farQ5GqvarhoGMPTOhHJ3GnmBjpIrvKq3+fVPonaq/X1gcyuijmgT1tCLR2/CTio2522m3wONzXXd +vHyFajzl6x/6krkammpSRTr50nnNVZ9dtUhBdGbduJrVUhLxNcqyt7P4n03T1gJLskpVvTpw3JF8 7UKUU+on3ON3KxDc+sQB0hqqGk6jrL+WpzVt7TE4e08DicXYKTO0oDF2D8UKYQyYP38w4NReU6fIV 6FqKAhCbkCvoIyLOZiGMh+MWTUzmrVpClPs5vikyOf1SJU37FGc+IozYYpDhBWGrUz6JprQX+2CnJ Jazur6kQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tjvlG-00000003dbZ-3MeO; Mon, 17 Feb 2025 07:41:50 +0000 Received: from galois.linutronix.de ([2a0a:51c0:0:12e:550::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tjvin-00000003d5O-1rgA for linux-arm-kernel@lists.infradead.org; Mon, 17 Feb 2025 07:39:18 +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=1739777954; 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=jNR2ygIUsv1k2EwiRdxBTOrxxKHAiE6CwbD0ihBu6Rs=; b=WkbSbzZNRaEuDRvrrP6VuKH12tXH4xgciMpzBxX7Gjbv1m4tuUB2gvazEFTkkDLShXs4fz qJY3rQQZeLRxglKztsImHSSsyuN4GL5VrNG39omZteOkd0DQSsnuza2lVXaIVAGDCT4dR+ UX7FqbhCZlAkV4dQZuIE8l7BS/7KIInUEFKgdgH7+qdTARpvmZCm9t6AjhAKxUrS9CRpni 765j7tSch1HNOwbX7fgwyrYgyVByQGAumgGXCnZuqwod1r0W09wJ2f17d6ENcPTN3v7KyU yQlF/4+Pn3Nrkm7wT6GVKLMCyMzkO1WDnibCwXKEqcsW2RMgbd8zXBbukBoM1w== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1739777954; 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=jNR2ygIUsv1k2EwiRdxBTOrxxKHAiE6CwbD0ihBu6Rs=; b=CA94S8a6eKEdcb5IbTZort5zGI6i+XjCK15imPv864Dh/EXMbsXwj3jPqWciP16CNRhdBM 697soIUP1StY2LDg== Date: Mon, 17 Feb 2025 08:39:06 +0100 Subject: [PATCH] arm64: mm: Don't use %pK through printk MIME-Version: 1.0 Message-Id: <20250217-restricted-pointers-arm64-v1-1-14bb1f516b01@linutronix.de> X-B4-Tracking: v=1; b=H4sIAJnnsmcC/x3MQQqDMBBG4avIrDtg0thAr1K6COaPnUWjzIQii HdvcPkt3jvIoAKj53CQ4icma+1wt4HmT6oLWHI3+dFPo3eRFdZU5obM2yq1QY2Tfh+BY8hTSCj uXiL1flMU2a/3632efzuKxw9rAAAA X-Change-ID: 20250217-restricted-pointers-arm64-74d54aef13f7 To: Catalin Marinas , Will Deacon 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=1739777954; l=1156; i=thomas.weissschuh@linutronix.de; s=20240209; h=from:subject:message-id; bh=ZDBkYP7e4RRQZyV4NkDx9AEqrR4TIznTk080XM4j54M=; b=wxuocKS2tQ3eCVPZ3TBJCg+/tK4UpvZZR490FRiwdA5RJ6Uy2HcgjUnzyQh7SivJ0nn6Nieyf LK2TnDTB5eaBOZa3PeB1AB8LSiWITw/W+AwccNf37sQfw5hCWpvmoZr 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_233917_628297_1A6D9B5E X-CRM114-Status: UNSURE ( 8.47 ) 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/arm64/mm/physaddr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- base-commit: 0ad2507d5d93f39619fc42372c347d6006b64319 change-id: 20250217-restricted-pointers-arm64-74d54aef13f7 Best regards, diff --git a/arch/arm64/mm/physaddr.c b/arch/arm64/mm/physaddr.c index cde44c13dda1bc0924d2d50369ad87f544a0a802..7d94e09b01b35094e883875a46b979666549095c 100644 --- a/arch/arm64/mm/physaddr.c +++ b/arch/arm64/mm/physaddr.c @@ -10,7 +10,7 @@ phys_addr_t __virt_to_phys(unsigned long x) { WARN(!__is_lm_address(__tag_reset(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);