From nobody Sat Feb 7 09:48:12 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4B8D5239E60; Wed, 28 Jan 2026 14:09:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769609389; cv=none; b=WFtJjjyFcK5CMY7WzI/iawyT6tFVBa4c3XP5TOt91EPSkvLojT1niqYfnVJmsPIClaMV6k3j1VisFqkpO0o/GgnfJM/mwf4ywbE2LVwwqJXSQMwMvI9gsgn+p9fHfAMgR4PWzoE6lxiY4Tv/vTJiqn5i1uNbtR8AkZ8iZunUi3A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769609389; c=relaxed/simple; bh=RnKOHNBPmj3Cu03w5U04I8JGBqtXnIak2+AQjeku/RI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=dVdqiErg5xaAdRMGq8lVXOEQ45yO//1lZr7FnaifF5ABDFQt6VhJbd85WbRgRjtNmPfwX75PMqI/nrb8oOhUaoDc0v3AKQg/fhcDGUQ7eCMq0iFaljc1HZsXiLOtkwIIfj3fNJ4vUMdHJq5UabdP1fOsqsMKexgMcuktk5uyMkA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=UJZ/858X; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="UJZ/858X" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2442C4CEF1; Wed, 28 Jan 2026 14:09:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1769609389; bh=RnKOHNBPmj3Cu03w5U04I8JGBqtXnIak2+AQjeku/RI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UJZ/858XNjPXIQa1OYYs61qFzFkQfhz5tjfJSoLwHrv+Ln9To+fLU1LqRjSCIkSbz hAMeyTUjIQyxUskoAaoTTfZYEKFOTLbRACCYES3/DnlsRgHOr895wtErI/cZD5PbkL vbQrBwwMVtlXyvgoG1aJk+rqStVNU4lY4Tz1RL/UGwZVkmAyTMSY+KDxFqb6vuqxON RGeTg+ie/vuw5HfFjLH51854oYXFgaMNnP7k4Oj1BZTMyv8QA9nUdzfV+8ygt3i8yN 3pFKWSGBe4u/XuHInmOTbabuMuOWOBZumTvh45yeyIEGZsR7nyVTR0EKDIKzDoddNV Y2UyOKME1kD3A== 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 v6 04/11] selftests: tracing: Add syntax testcase for wprobe Date: Wed, 28 Jan 2026 23:09:43 +0900 Message-ID: <176960938340.182525.7033743309632028932.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <176960933881.182525.11984731584313026309.stgit@devnote2> References: <176960933881.182525.11984731584313026309.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable From: Masami Hiramatsu (Google) Add "wprobe_syntax_errors.tc" testcase for testing syntax errors of the watch probe events. Link: https://lore.kernel.org/all/175859027842.374439.6402700780945714048.s= tgit@devnote2/ Signed-off-by: Masami Hiramatsu (Google) --- .../test.d/dynevent/wprobes_syntax_errors.tc | 20 ++++++++++++++++= ++++ 1 file changed, 20 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_e= rrors.tc new file mode 100644 index 000000000000..56ac579d60ae --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/dynevent/wprobes_syntax_errors.= tc @@ -0,0 +1,20 @@ +#!/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' "$1" 'dynamic_events' +} + +check_error 'w ^symbol' # BAD_ACCESS_FMT +check_error 'w ^a@symbol' # BAD_ACCESS_TYPE +check_error 'w w@^symbol' # BAD_ACCESS_ADDR +check_error 'w w@jiffies^+offset' # BAD_ACCESS_ADDR +check_error 'w w@jiffies:^100' # BAD_ACCESS_LEN +check_error 'w w@jiffies ^$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