From patchwork Tue Nov 17 13:04:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 325359 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8AABAC64E7A for ; Tue, 17 Nov 2020 13:24:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B4B020781 for ; Tue, 17 Nov 2020 13:24:53 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="StcuKT+z" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731012AbgKQNYg (ORCPT ); Tue, 17 Nov 2020 08:24:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:59608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730835AbgKQNYe (ORCPT ); Tue, 17 Nov 2020 08:24:34 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EE31B2467A; Tue, 17 Nov 2020 13:24:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1605619473; bh=zAo+rX/HJd0EhyEP4ZjfM0EPLEC2xbl048pitavwzjs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=StcuKT+zxkYuuJqlrtXqROQf8IatiOgqo7udq6I7pPsTPq84L5EnvDbpZEgL/M4uU EGbLtv6VMkxQTbMc61yUarQxs7atCGEid4p3nrLSfp9bWJ8CoXFXY5nvPeXuaEx/qe 0NRkQoULJ//WXvLWasHc0E61RmZ510rauIBaVJgI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Colin Ian King , Masami Hiramatsu , "Steven Rostedt (VMware)" , Shuah Khan , Sasha Levin Subject: [PATCH 5.4 051/151] selftests/ftrace: check for do_sys_openat2 in user-memory test Date: Tue, 17 Nov 2020 14:04:41 +0100 Message-Id: <20201117122123.914573332@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117122121.381905960@linuxfoundation.org> References: <20201117122121.381905960@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Colin Ian King [ Upstream commit e3e40312567087fbe6880f316cb2b0e1f3d8a82c ] More recent libc implementations are now using openat/openat2 system calls so also add do_sys_openat2 to the tracing so that the test passes on these systems because do_sys_open may not be called. Thanks to Masami Hiramatsu for the help on getting this fix to work correctly. Signed-off-by: Colin Ian King Acked-by: Masami Hiramatsu Acked-by: Steven Rostedt (VMware) Signed-off-by: Shuah Khan Signed-off-by: Sasha Levin --- .../selftests/ftrace/test.d/kprobe/kprobe_args_user.tc | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc index 0f60087583d8f..a753c73d869ab 100644 --- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc +++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_args_user.tc @@ -11,12 +11,16 @@ grep -A10 "fetcharg:" README | grep -q '\[u\]' || exit_unsupported :;: "user-memory access syntax and ustring working on user memory";: echo 'p:myevent do_sys_open path=+0($arg2):ustring path2=+u0($arg2):string' \ > kprobe_events +echo 'p:myevent2 do_sys_openat2 path=+0($arg2):ustring path2=+u0($arg2):string' \ + >> kprobe_events grep myevent kprobe_events | \ grep -q 'path=+0($arg2):ustring path2=+u0($arg2):string' echo 1 > events/kprobes/myevent/enable +echo 1 > events/kprobes/myevent2/enable echo > /dev/null echo 0 > events/kprobes/myevent/enable +echo 0 > events/kprobes/myevent2/enable grep myevent trace | grep -q 'path="/dev/null" path2="/dev/null"'