From nobody Tue Dec 16 21:25:28 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 E9864330B11; Thu, 4 Dec 2025 08:21:55 +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=1764836517; cv=none; b=O1W34oSqjdITgc4tjm20RzkcQmT7RFXjS3h523qtWvLaxLoMVqRxh64IazQ1+u2n/xr6+MlXoFTtkoGTUE7c13rmhBrvih4HZp5+HX54S692HebDhAB59gjdtICFkwbA1syfTgcJgknKOQWXes59I9+PLzbQIixjmIPchBzNLzE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1764836517; c=relaxed/simple; bh=FQbugGGJYSG2JlXSG0HFg6kn8NOsEZAFEWGFPfwUduI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kdC1TBcHRWt2iRXca0BZn1Cn2T9Rju3kHCIx4SULjkmSx3xynO/ybDkoJz5R6SLEfmC9lI3rD108mtWOcrlsOamguRUr52PxVdsU69SpK2iWdhjhRXuqmVfH0GpBwdm3VnRGkwSCLREShNc0TwriegFc/UaVjvDjgdhBFKJqYq0= 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=09BzUgt3; 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="09BzUgt3" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=esiDzjhERLVgKMqGn9INpgmwxf1EGNWagjSm4W6ynhY=; b=09BzUgt3HLGMAJMMYzQZBlTPLJoBRBlB2JN8cg879ihK7LV3SkBRG3SK9leawNh+AZy5AMHd7 lGCjOa5QyannOyyvGBeGZGM+XY+i+C+pQGNmroklLX6BQS4X/Ad2oeYew3z10LH2EaersvYocQH xExOKMQVsaERk0uiC+QZ/9o= Received: from mail.maildlp.com (unknown [172.19.162.254]) by canpmsgout04.his.huawei.com (SkyGuard) with ESMTPS id 4dMS9W2wrnz1prQ5; Thu, 4 Dec 2025 16:19:59 +0800 (CST) Received: from dggpemf500011.china.huawei.com (unknown [7.185.36.131]) by mail.maildlp.com (Postfix) with ESMTPS id 73D961804F7; Thu, 4 Dec 2025 16:21:53 +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; Thu, 4 Dec 2025 16:21:52 +0800 From: Jinjie Ruan To: , , , , , , , , , , , , , , , , , , , , , , , , CC: Subject: [PATCH v9 09/16] arm64/ptrace: Expand secure_computing() in place Date: Thu, 4 Dec 2025 16:21:16 +0800 Message-ID: <20251204082123.2792067-10-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251204082123.2792067-1-ruanjinjie@huawei.com> References: <20251204082123.2792067-1-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: kwepems200002.china.huawei.com (7.221.188.68) 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. Reviewed-by: Kevin Brodsky Signed-off-by: Jinjie Ruan --- 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 25111c121b5e..c6dee8a355e5 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 inline bool report_single_step(unsigned long flags) --=20 2.34.1