From nobody Tue Dec 2 00:05:06 2025 Received: from canpmsgout01.his.huawei.com (canpmsgout01.his.huawei.com [113.46.200.216]) (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 8109C29CB52; Wed, 26 Nov 2025 07:15:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.216 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764141309; cv=none; b=HIy327aBmttz2xu7XX3i7xNOk/ZAqbKPTdTBQCKbmW7Qj7tg54pUkEuhV2VJbjOki5IZ/eFVpkTrRYbDhos4nuH0IqynD1gTkFu2XhiU90kwISiymZKi4v5/2DLCMHT+iIPImqPmVYqSwSCL9MftYR4Ih+bL1jFHXD7dLCmUphk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764141309; c=relaxed/simple; bh=exIN8HeCiSU1AkSHMGI445ADOKUaPOau1IFzaZ64Lvo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DrhGaxCCtqHfyaJmSfyWDt8xw/6ftjWy1ntdkYU86yGX62FjTPyhSbl2q18rUgLOVxEjgZ1B3XUuLVhjpR43Si+moF8RHep9aOYGtes4VpS1f/9Y23fm4wEY/V3VYfC/t4j4RCEEtmeXRS98UbTODOwfHrUF34ebC3Nj13A7cwo= 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=DPxMGt4g; arc=none smtp.client-ip=113.46.200.216 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="DPxMGt4g" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=84ANRAKQc8iK7UkhsOEoyOY9KiCDbmkQYrurRt8nIYY=; b=DPxMGt4gKU6d1cRITMS/456hnWiva2mvRqfKQFXg0EaLgB1StfphLfYT6sEh2ViIONYhmbDeO 50DiwjFTsX43g550KaKwqkbnzpAmXIVNuZw31rcs2t9Bgl7nlOkpebTPVBPRTESFu3+kbH9iPVP gwXcEv51zuYKx3ae1qGVdF4= Received: from mail.maildlp.com (unknown [172.19.163.252]) by canpmsgout01.his.huawei.com (SkyGuard) with ESMTPS id 4dGW4K2nRwz1T4FZ; Wed, 26 Nov 2025 15:13:21 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 09F5E180B4B; Wed, 26 Nov 2025 15:15:04 +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; Wed, 26 Nov 2025 15:15:02 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH v8 07/12] arm64/ptrace: Expand secure_computing() in place Date: Wed, 26 Nov 2025 15:14:41 +0800 Message-ID: <20251126071446.3234218-8-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251126071446.3234218-1-ruanjinjie@huawei.com> References: <20251126071446.3234218-1-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: kwepems500002.china.huawei.com (7.221.188.17) 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 Reviewed-by: Kevin Brodsky --- arch/arm64/kernel/ptrace.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index da9687d30bcf..72d4d987ba3b 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -2392,8 +2392,11 @@ 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 -1) + return NO_SYSCALL; + } =20 /* Either of the above might have changed the syscall number */ syscall =3D syscall_get_nr(current, regs); @@ -2411,7 +2414,7 @@ int syscall_trace_enter(struct pt_regs *regs, long sy= scall, unsigned long flags) audit_syscall_entry(syscall, regs->orig_x0, regs->regs[1], regs->regs[2], regs->regs[3]); =20 - return syscall; + return ret ? : syscall; } =20 static void syscall_exit_work(struct pt_regs *regs, unsigned long flags) --=20 2.34.1