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-rw-r--r--tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc27
1 files changed, 16 insertions, 11 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
index ef1e9bafb098..9e85d3019ff0 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -1,10 +1,7 @@
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: Kprobe event parser error log check
-
-[ -f kprobe_events ] || exit_unsupported # this is configurable
-
-[ -f error_log ] || exit_unsupported
+# requires: kprobe_events error_log
check_error() { # command-with-error-pos-by-^
ftrace_errlog_check 'trace_kprobe' "$1" 'kprobe_events'
@@ -24,7 +21,7 @@ check_error 'p:^/bar vfs_read' # NO_GROUP_NAME
check_error 'p:^12345678901234567890123456789012345678901234567890123456789012345/bar vfs_read' # GROUP_TOO_LONG
check_error 'p:^foo.1/bar vfs_read' # BAD_GROUP_NAME
-check_error 'p:foo/^ vfs_read' # NO_EVENT_NAME
+check_error 'p:^ vfs_read' # NO_EVENT_NAME
check_error 'p:foo/^12345678901234567890123456789012345678901234567890123456789012345 vfs_read' # EVENT_TOO_LONG
check_error 'p:foo/^bar.1 vfs_read' # BAD_EVENT_NAME
@@ -89,13 +86,21 @@ esac
# multiprobe errors
if grep -q "Create/append/" README && grep -q "imm-value" README; then
-echo 'p:kprobes/testevent _do_fork' > kprobe_events
+echo "p:kprobes/testevent $FUNCTION_FORK" > kprobe_events
check_error '^r:kprobes/testevent do_exit' # DIFF_PROBE_TYPE
-echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events
-check_error 'p:kprobes/testevent _do_fork ^bcd=\1' # DIFF_ARG_TYPE
-check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8' # DIFF_ARG_TYPE
-check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"' # DIFF_ARG_TYPE
-check_error '^p:kprobes/testevent _do_fork abcd=\1' # SAME_PROBE
+
+# Explicitly use printf "%s" to not interpret \1
+printf "%s" "p:kprobes/testevent $FUNCTION_FORK abcd=\\1" > kprobe_events
+check_error "p:kprobes/testevent $FUNCTION_FORK ^bcd=\\1" # DIFF_ARG_TYPE
+check_error "p:kprobes/testevent $FUNCTION_FORK ^abcd=\\1:u8" # DIFF_ARG_TYPE
+check_error "p:kprobes/testevent $FUNCTION_FORK ^abcd=\\\"foo\"" # DIFF_ARG_TYPE
+check_error "^p:kprobes/testevent $FUNCTION_FORK abcd=\\1" # SAME_PROBE
+fi
+
+# %return suffix errors
+if grep -q "place (kretprobe): .*%return.*" README; then
+check_error 'p vfs_read^%hoge' # BAD_ADDR_SUFFIX
+check_error 'p ^vfs_read+10%return' # BAD_RETPROBE
fi
exit 0