linux-kernel - Re: [PATCH] selftests/kprobe: Update test for no event name syntax error

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Date:   Mon, 18 Jul 2022 18:38:51 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linyu Yuan <quic_linyyuan@...cinc.com>
Subject: Re: [PATCH] selftests/kprobe: Update test for no event name syntax
 error

On Mon, 18 Jul 2022 16:05:10 +0900
"Masami Hiramatsu (Google)" <mhiramat@...nel.org> wrote:

> From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
> 
> The commit 208003254c32 ("selftests/kprobe: Do not test for GRP/
> without event failures") removed a syntax which is no more cause
> a syntax error (NO_EVENT_NAME error with GRP/).
> However, there are another case (NO_EVENT_NAME error without GRP/)
> which causes a same error. This adds a test for that case.
> 
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>

Queued. Thanks Masami!

-- Steve

> ---
>  .../ftrace/test.d/kprobe/kprobe_syntax_errors.tc   |    1 +
>  1 file changed, 1 insertion(+)
> 
> 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 7c02509c71d0..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
> @@ -21,6 +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:^ 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
>