From nobody Wed Sep 17 01:22:45 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AD7CC4332F for ; Tue, 27 Dec 2022 11:52:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229929AbiL0Lvn (ORCPT ); Tue, 27 Dec 2022 06:51:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231404AbiL0Lv2 (ORCPT ); Tue, 27 Dec 2022 06:51:28 -0500 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AEB089FD7; Tue, 27 Dec 2022 03:51:26 -0800 (PST) Date: Tue, 27 Dec 2022 11:51:23 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1672141883; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VIquszyJoGKEfNk8Vb4fQX7sPIFWljq/kAytjP03G60=; b=Qg4CniI4ziFf3VeZBtNW7lxQ7OvksBnvneFXBt8L+qFiOPkHvCUk3iVpidiQLfqMyJ0UiY VN3Lqwh1U2+NpxnDBHq01Dgx9SmN1h3NZhm6K4mrs5ADqlkvBjjW+f+UdBfaEnqGRt9qB4 AsIdCDap3uhaAgkiiO2RXuWyMDAszJrlR3xmrra4W8FQVzL/ynig6b7NpuKZjn5knGwpeA AWYf/fqIskAitZcsQi74Eov1zudlHgswjjzzKB3wguHYzTgjQq5shc/eUfOP9+lbo+BsJz foy5gY2kqyOg4DYOxZ6VzNq+E0jv/1SNL05rPKj8fM9w4Clyz69GKOLXjRyRfA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1672141883; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VIquszyJoGKEfNk8Vb4fQX7sPIFWljq/kAytjP03G60=; b=tYxFnqRv7FCXlMo8HccNrj3Vs/ftGXAkbFFOpLvkLsKffxe1ilgjzNhdM/Mr/jAZftmn6n tAJgp0jjE4Z3VGDQ== From: "tip-bot2 for Namhyung Kim" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: perf/urgent] perf/core: Call LSM hook after copying perf_event_attr Cc: Namhyung Kim , "Peter Zijlstra (Intel)" , "Joel Fernandes (Google)" , stable@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20221220223140.4020470-1-namhyung@kernel.org> References: <20221220223140.4020470-1-namhyung@kernel.org> MIME-Version: 1.0 Message-ID: <167214188307.4906.2093385689566390498.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the perf/urgent branch of tip: Commit-ID: 0a041ebca4956292cadfb14a63ace3a9c1dcb0a3 Gitweb: https://git.kernel.org/tip/0a041ebca4956292cadfb14a63ace3a9c= 1dcb0a3 Author: Namhyung Kim AuthorDate: Tue, 20 Dec 2022 14:31:40 -08:00 Committer: Peter Zijlstra CommitterDate: Tue, 27 Dec 2022 12:44:01 +01:00 perf/core: Call LSM hook after copying perf_event_attr It passes the attr struct to the security_perf_event_open() but it's not initialized yet. Fixes: da97e18458fb ("perf_event: Add support for LSM and SELinux checks") Signed-off-by: Namhyung Kim Signed-off-by: Peter Zijlstra (Intel) Reviewed-by: Joel Fernandes (Google) Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20221220223140.4020470-1-namhyung@kernel.org --- kernel/events/core.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/kernel/events/core.c b/kernel/events/core.c index 63d674c..d56328e 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -12321,12 +12321,12 @@ SYSCALL_DEFINE5(perf_event_open, if (flags & ~PERF_FLAG_ALL) return -EINVAL; =20 - /* Do we allow access to perf_event_open(2) ? */ - err =3D security_perf_event_open(&attr, PERF_SECURITY_OPEN); + err =3D perf_copy_attr(attr_uptr, &attr); if (err) return err; =20 - err =3D perf_copy_attr(attr_uptr, &attr); + /* Do we allow access to perf_event_open(2) ? */ + err =3D security_perf_event_open(&attr, PERF_SECURITY_OPEN); if (err) return err;