From mboxrd@z Thu Jan 1 00:00:00 1970 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 E31F4CEBF97 for ; Mon, 17 Nov 2025 13:31:32 +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:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=30ysq1zKlbnYeZwp+m2gLXTGDwEJmQJK7zrgP/PsCwA=; b=b6uU9C5F4I5+KzO3d8ZAE3d2hY pJuivlebJ0EiREKWllHxvmaVVxlPaxvKCCkmYdxevqBlhE1OCTdT//8PBYz7/Ie3o/jid9sVC4FBK 9kvW6GHrsQbLxv38aDznh5xUBwfwyi1Na8Pbwvs4SKG2MGm3uNEDm3/YCirZrfF+mK1MNBBKS9ouA iUnwJoWWd9rnARMmAMrrZjsQfQK7HDDjAQYKf4oiP5aBDx8GEybrF2IHjB6U6KPVI2zDHQCjrMYdJ npboPHdEnC+Hx442MXWOby4dUlCTJzZ8DZeZjI06pTnuMtwhilHiAoeqKx679YzpVAdqWZnMX6oDk 0GF+Grig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKzKJ-0000000GBC3-0MKu; Mon, 17 Nov 2025 13:31:27 +0000 Received: from canpmsgout04.his.huawei.com ([113.46.200.219]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vKzK8-0000000GB3f-3j8i for linux-arm-kernel@lists.infradead.org; Mon, 17 Nov 2025 13:31:18 +0000 dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=30ysq1zKlbnYeZwp+m2gLXTGDwEJmQJK7zrgP/PsCwA=; b=Z1uA/unQOJAeHJXfkKp+yStnZd4muxK8p5GFf9i9u82AOLbVoFgwUMcFfC6D4XNNnKqj1scJ8 nECxV8SYy1tpy6yxSOp+UOdVnvo1wjm2wdToy8ivrQtR09iAQqYiGzIdYUFSICykJUnQM/3Ya0M qsAV5G8NPZQUBPDBZwNEUAE= Received: from mail.maildlp.com (unknown [172.19.88.194]) by canpmsgout04.his.huawei.com (SkyGuard) with ESMTPS id 4d97rV55prz1prKL; Mon, 17 Nov 2025 21:29:30 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 148EB140132; Mon, 17 Nov 2025 21:31:14 +0800 (CST) Received: from huawei.com (10.90.53.73) by dggpemf500011.china.huawei.com (7.185.36.131) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 17 Nov 2025 21:31:12 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH v7 06/11] arm64/ptrace: Expand secure_computing() in place Date: Mon, 17 Nov 2025 21:30:43 +0800 Message-ID: <20251117133048.53182-7-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251117133048.53182-1-ruanjinjie@huawei.com> References: <20251117133048.53182-1-ruanjinjie@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: kwepems100002.china.huawei.com (7.221.188.206) To dggpemf500011.china.huawei.com (7.185.36.131) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251117_053117_084097_841B29FB X-CRM114-Status: GOOD ( 10.74 ) 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 The generic entry expand secure_computing() in place and call __secure_computing() directly. In order to switch to the generic entry for arm64, refactor secure_computing() for syscall_trace_enter(). No functional changes. Signed-off-by: Jinjie Ruan --- arch/arm64/kernel/ptrace.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 707951ad5d24..9af3046a2ce9 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -2387,8 +2387,11 @@ int syscall_trace_enter(struct pt_regs *regs, long syscall, unsigned long flags) } /* Do the secure computing after ptrace; failures should be fast. */ - if (secure_computing() == -1) - return NO_SYSCALL; + if (flags & _TIF_SECCOMP) { + ret = __secure_computing(NULL); + if (ret == -1L) + return NO_SYSCALL; + } /* Either of the above might have changed the syscall number */ syscall = syscall_get_nr(current, regs); -- 2.34.1