linux-kernel - [for-next][PATCH 02/20] selftests/ftrace: Add eprobe syntax error testcase

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Message-ID: <20220927160241.746173925@goodmis.org>
Date:   Tue, 27 Sep 2022 12:02:18 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     linux-kernel@...r.kernel.org
Cc:     Daniel Bristot de Oliveira <bristot@...nel.org>,
        Tzvetomir Stoyanov <tz.stoyanov@...il.com>,
        Ingo Molnar <mingo@...nel.org>,
        "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Subject: [for-next][PATCH 02/20] selftests/ftrace: Add eprobe syntax error testcase

From: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>

Add a syntax error test case for eprobe as same as kprobes.

Link: https://lkml.kernel.org/r/165932115471.2850673.8014722990775242727.stgit@devnote2

Cc: Tzvetomir Stoyanov <tz.stoyanov@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@...dmis.org>
---
 .../test.d/dynevent/eprobes_syntax_errors.tc  | 27 +++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc

diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc
new file mode 100644
index 000000000000..fc1daac7f066
--- /dev/null
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/eprobes_syntax_errors.tc
@@ -0,0 +1,27 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Event probe event parser error log check
+# requires: dynamic_events events/syscalls/sys_enter_openat "<attached-group>.<attached-event> [<args>]":README error_log
+
+check_error() { # command-with-error-pos-by-^
+    ftrace_errlog_check 'event_probe' "$1" 'dynamic_events'
+}
+
+check_error 'e ^a.'			# NO_EVENT_INFO
+check_error 'e ^.b'			# NO_EVENT_INFO
+check_error 'e ^a.b'			# BAD_ATTACH_EVENT
+check_error 'e syscalls/sys_enter_openat ^foo'	# BAD_ATTACH_ARG
+check_error 'e:^/bar syscalls/sys_enter_openat'	# NO_GROUP_NAME
+check_error 'e:^12345678901234567890123456789012345678901234567890123456789012345/bar syscalls/sys_enter_openat'	# GROUP_TOO_LONG
+
+check_error 'e:^foo.1/bar syscalls/sys_enter_openat'	# BAD_GROUP_NAME
+check_error 'e:^ syscalls/sys_enter_openat'		# NO_EVENT_NAME
+check_error 'e:foo/^12345678901234567890123456789012345678901234567890123456789012345 syscalls/sys_enter_openat'	# EVENT_TOO_LONG
+check_error 'e:foo/^bar.1 syscalls/sys_enter_openat'	# BAD_EVENT_NAME
+
+check_error 'e:foo/bar syscalls/sys_enter_openat arg=^dfd'	# BAD_FETCH_ARG
+check_error 'e:foo/bar syscalls/sys_enter_openat ^arg=$foo'	# BAD_ATTACH_ARG
+
+check_error 'e:foo/bar syscalls/sys_enter_openat if ^'	# NO_EP_FILTER
+
+exit 0
-- 
2.35.1