From nobody Thu Oct 2 15:33:00 2025 Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [45.249.212.189]) (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 6F3AB2F0C4D for ; Tue, 16 Sep 2025 08:25:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.189 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758011146; cv=none; b=IT0CbKqTCiYXmJIz8weTyp9jABF7B4W9/c2AmrMxRjrh8/dxVUbP7TrEOCDgJJc2Ga16MbhL7Xg72+78M8tvietXknNu647p2X10xEi+un5WgeUt4OMKqP+T+mBnOMivLPTOZNlE7oWpkPhMx+M8Oi0ywd1ivfRnMVnZcQB79eg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758011146; c=relaxed/simple; bh=8fQLhWPdR89DwQuvTPR/oVOFBjMygZ0wj/Tx4uiAYG8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=cGPVeI9EmQAN79QoyAF0DLAuYECLLjC+tw7jFAOr1vo8+8TbQ3TIgRlmeDXI+4n0AihvbSC+YKHQODL5b6SepDinXcy9rwIhrYwKQzY9BMJZzV87ifNbEy1oGeJBmf87b3fD9a6Wnn2I9zqLE86j0J3uDv7mpRU+GskLQSnksok= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.252]) by szxga03-in.huawei.com (SkyGuard) with ESMTP id 4cQvxG05vdzdcqs; Tue, 16 Sep 2025 16:21:06 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 29852180B69; Tue, 16 Sep 2025 16:25:41 +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; Tue, 16 Sep 2025 16:25:40 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , CC: Subject: [PATCH -next v6 06/10] arm64/ptrace: Rework secure_computing() in syscall_trace_enter() Date: Tue, 16 Sep 2025 16:26:07 +0800 Message-ID: <20250916082611.2972008-7-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250916082611.2972008-1-ruanjinjie@huawei.com> References: <20250916082611.2972008-1-ruanjinjie@huawei.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: kwepems200001.china.huawei.com (7.221.188.67) To dggpemf500011.china.huawei.com (7.185.36.131) Content-Type: text/plain; charset="utf-8" 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..0c8614806d82 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 s= yscall, unsigned long flags) } =20 /* Do the secure computing after ptrace; failures should be fast. */ - if (secure_computing() =3D=3D -1) - return NO_SYSCALL; + if (flags & _TIF_SECCOMP) { + ret =3D __secure_computing(); + if (ret =3D=3D -1L) + return NO_SYSCALL; + } =20 /* Either of the above might have changed the syscall number */ syscall =3D syscall_get_nr(current, regs); --=20 2.34.1