From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 6E7AD3EFD27; Mon, 7 Sep 2026 03:47:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788752875; cv=none; b=M4atfqGvWpZN6TGpOhdfZHLbnnfU8mq2t4d8VvKJWqTBRUPRSa7Ff4M93CRutDrdA7BozwlnLK0GWuKZkGQrvcR2XwignCTS2D2Bmh2AR3Pmty2fDqOmPWzURWz0YYi1LFQ3+F2QEMPLeKcVN6Gc5EAPnBkPYNKRTpaMt7eMRNk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788752875; c=relaxed/simple; bh=w/fxHVNtA+8suk/aVIjfFU697JVRJgCgDhdycK2gkzs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dgAL/Svf9jj7gz7wfjra9BcX2oPV4S+XrTuDdOgMnSUArMaubQvZtPCvBLJ/FbeYq+9LEcMAfc2WcQySk9/hWb7CFAYfFj+r4XrW2xaPuqy8Oegbm5Q7RrhyI5Z6eTzKjyhVhjh5NuP8iGxhDsVIu/+Gg3aPcPQXlmLkTJTAizo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=M1Z6lxPb; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="M1Z6lxPb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7C11C1F00A3A; Mon, 7 Sep 2026 03:47:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788752874; bh=o0qMmOfhKF4hfQTENoYGXCxXEOkOcEeucQ2rUqmquDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=M1Z6lxPbDckbjy30jdFkBwxaK/j95DWpNMNm7Dbj2BbbdqGBI3nXVrLqlm0crrKq8 gwjVd5wGUY1uLARxvozfoxysQMCXImff/TW1Trm2S4x7Si4Uj4fThEctUhEdPNq2dh VFVIf9Rm9VMCvwt8LIr7BwspF6ViFtEx3Kjl4cXIihfQtOwmBBQMlTWLZIgeIMz40h ZEr7K+L7iUaw82eHunYb14ehWcv0a9DP/4TB9xdqmfqBiyixI08fTEj1X+hWw6AsM4 J1ZK4j7B1KbAeRveeUwEKzgQu4+bkla3P2pXMFi9iC4+Wy5bjLvbrdHcprXnVuQXdP pE+IyXaXVWzoA== From: "Masami Hiramatsu (Google)" To: Steven Rostedt , Peter Zijlstra , Ingo Molnar , x86@kernel.org Cc: Jinchao Wang , Mathieu Desnoyers , Masami Hiramatsu , Thomas Gleixner , Borislav Petkov , Dave Hansen , "H . Peter Anvin" , Alexander Shishkin , Ian Rogers , linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-perf-users@vger.kernel.org Subject: [PATCH v15 08/12] selftests: tracing: Add syntax testcase for wprobe Date: Mon, 7 Sep 2026 12:47:48 +0900 Message-ID: <178875286830.93794.14966404625232529162.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <178875277830.93794.14247844688761142429.stgit@devnote2> References: <178875277830.93794.14247844688761142429.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit From: Masami Hiramatsu (Google) Add "wprobe_syntax_errors.tc" testcase for testing syntax errors of the watch probe events. Signed-off-by: Masami Hiramatsu (Google) --- Changes in v14: - Update comment for invalid offset syntax check to BAD_PROBE_ADDR. - Add testcase for invalid address 0 error check (BAD_ACCESS_ADDR). Changes in v12: - Add NO_ARG_BODY error case. Changes in v11: - Add WPROBE_NO_MAXACT syntax error case. --- .../test.d/dynevent/wprobes_syntax_errors.tc | 23 ++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc new file mode 100644 index 000000000000..e0df58fe7aa3 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.tc @@ -0,0 +1,23 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# description: Watch probe event parser error log check +# requires: dynamic_events "w[:[/][]] [r|w|rw]@[:]":README + +check_error() { # command-with-error-pos-by-^ + ftrace_errlog_check 'wprobe' "$1" 'dynamic_events' +} + +check_error '^w' # NO_ARG_BODY +check_error 'w^10 w@jiffies' # WPROBE_NO_MAXACT +check_error 'w ^symbol' # BAD_ACCESS_FMT +check_error 'w ^a@symbol' # BAD_ACCESS_TYPE +check_error 'w w@^symbol' # BAD_ACCESS_ADDR +check_error 'w w@^0:4' # BAD_ACCESS_ADDR +check_error 'w w@jiffies^+offset' # BAD_PROBE_ADDR +check_error 'w w@jiffies:^100' # BAD_ACCESS_LEN +check_error 'w w@jiffies ^$arg1' # BAD_VAR +check_error 'w w@jiffies ^$retval' # BAD_VAR +check_error 'w w@jiffies ^$stack' # BAD_VAR +check_error 'w w@jiffies ^%ax' # BAD_VAR + +exit 0