linux-kernel - [PATCH v3 5/5] selftests/ftrace: dynevent: add reject cases

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Message-ID: <20251004235001.133111-6-seokwoo.chung130@gmail.com>
Date: Sun,  5 Oct 2025 08:46:59 +0900
From: Ryan Chung <seokwoo.chung130@...il.com>
To: rostedt@...dmis.org,
	mhiramat@...nel.org
Cc: mathieu.desnoyers@...icios.com,
	shuah@...nel.org,
	hca@...ux.ibm.com,
	corbet@....net,
	linux-trace-kernel@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-doc@...r.kernel.org,
	seokwoo.chung130@...il.com
Subject: [PATCH v3 5/5] selftests/ftrace: dynevent: add reject cases

Signed-off-by: Ryan Chung <seokwoo.chung130@...il.com>
---
 .../ftrace/test.d/dynevent/fprobe_syntax_errors.tc  | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc
index fee479295e2f..720c0047c0ff 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/fprobe_syntax_errors.tc
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: GPL-2.0
 # description: Fprobe event parser error log check
 # requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[%return] [<args>]":README
+# requires: dynamic_events "f[:[<group>/][<event>]] <func-name>[:entry|:exit] [<args>]":README
 
 check_error() { # command-with-error-pos-by-^
     ftrace_errlog_check 'trace_fprobe' "$1" 'dynamic_events'
@@ -95,6 +96,18 @@ fi
 # %return suffix errors
 check_error 'f vfs_read^%hoge'		# BAD_ADDR_SUFFIX
 
+# New list/wildcard syntax errors
+if grep -q: ":exit" README; then
+check_error 'f ^vfs_read, do_sys_open'	# LIST_NEEDS_EVENT
+check_error 'f ^vfs_read,do_sys_open'	# LIST_NEEDS_EVENT
+check_error 'f:dyn/ret_forbid vfs_*^%return'	# WILDCARD_WITH_RETURN
+check_error 'f:dyn/ret_forbid vfs_read,do_sys_open^%return'	# LIST_WITH_RETURN
+check_error 'f:dyn/list_bad ^,vfs_read'		# LEADING_COMMA
+check_error 'f:dyn/list_bad vfs_read,^'		# TRAILING_COMMA
+check_error 'f:dyn/list_bad vfs_read,^,do_sys_open'	# EMPTY_TOKEN
+check_error 'f:dyn/mixed vfs_read%return^:exit'		# MIXED_SUFFIX
+
+
 # BTF arguments errors
 if grep -q "<argname>" README; then
 check_error 'f vfs_read args=^$arg*'		# BAD_VAR_ARGS
-- 
2.43.0