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 DB8D545FFB0; Mon, 14 Sep 2026 12:51:30 +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=1789390292; cv=none; b=Sz/ouzVghXUo7jRsq/WK5WiWQ5LXnl6+Z3jCTpAQ2FSWHP52vYDyk+CO8oO9IB6GNnJ80MeiuM5w6/2DJwBlcN0ro0RcrcIAU2b88bwbhpNjBxeUBilY0674qmUY7tFnJI46CBeID2arN9cjr1rbHQp2rweqHJka33Ck0iEvB6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789390292; 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=FksUAtiBN1QzzmpyuOP72IvB2vpVrUUZGDkFQ4PLjK6ynEaVRH54wo2ibZP3ACVJ4wZ4eKHJz6JptVTUw7kGXDkTpMT+Bv3OMOvf6I1p06cq6Dm9UYWd1lviqE8CNZM6bO/9oQLfp5GlwPEGAxPmZOp7MRHuhcbDTUwmIse3mWg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=eqBoFiAP; 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="eqBoFiAP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D9B41F000FF; Mon, 14 Sep 2026 12:51:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789390290; bh=o0qMmOfhKF4hfQTENoYGXCxXEOkOcEeucQ2rUqmquDU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=eqBoFiAPKsgdMW2/anL9//yvxVemG0hz95X7bGkc7czWst1D37FRr4g2yRRYyVNvQ LLhon30RDdx8AL4bp3sxIh4Uitr6vXlqt6Hp/WadaYa/3pML++r6vdDfJBwqQ/OquG qLxsmNkMCiXm+VwWZzigq82dzWcPzSXrAC3jxPtRGO5dQZwnEyhuPNVPdvzubdSi9z y9zvvtnKtMbVoXHbb8UCrTwTGTCM9PFkcRJcV3Z7aRfPcymzu00AjBEiTXQchJN51k z+ZLJG3yWMoUR97EwzJs2Oc5uARH5A4MeCEptj1RfVwZCJCzEMDCVLhGEHNI/HePuG XNuWvFsse1jOg== 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, Sean Christopherson , Paolo Bonzini , kvm@vger.kernel.org Subject: [PATCH v16 09/13] selftests: tracing: Add syntax testcase for wprobe Date: Mon, 14 Sep 2026 21:51:23 +0900 Message-ID: <178939028379.94750.17850398478754794031.stgit@devnote2> X-Mailer: git-send-email 2.43.0 In-Reply-To: <178939017565.94750.9431053336761330458.stgit@devnote2> References: <178939017565.94750.9431053336761330458.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: 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