From nobody Tue Dec 2 03:00:28 2025 Received: from canpmsgout04.his.huawei.com (canpmsgout04.his.huawei.com [113.46.200.219]) (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 10F77334C10; Mon, 17 Nov 2025 13:31:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.219 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763386285; cv=none; b=pVJ1dzYCS44MGvW78b3pNHTLpB4GJ2DoL1iiU47RM2/nh8f6qt1ZL7w+Bq0sZ7C3RZjvlPONHK4SS8oik0hAiQ23oVj1XDBcM4CCPT5ifSD9vONJBY8VBNolsYhlqIEFpRlV93cUVHjp99o71L3d7DbcyaDY8e/tK5diHU6rrKE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763386285; c=relaxed/simple; bh=eJuBDNGuRK1zWani3rxt9NUaoN3lvcp+TJtZRlKVcI0=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=LziJgxC3zE4m6p32UBi56bRD1vgZjtUuIMtJF2WLB8PqiC+lgLwMu5rfl+2s1ND1s0XdNNt7r3NuNLV9PGyfuEGc//WAfUcRzEIGAuvpx7th9BjPh6p11BnxTJTYCinPNr07Rw4IZktxSIw07BQESZD9e/F+kwFovxTK5/URkFw= 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; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=Z1uA/unQ; arc=none smtp.client-ip=113.46.200.219 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="Z1uA/unQ" 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> 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: kwepems100002.china.huawei.com (7.221.188.206) 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..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 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(NULL); + 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