From: Tao Chen <chen.dylane@linux.dev>
To: Alexei Starovoitov <alexei.starovoitov@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Matt Bobrowski <mattbobrowski@google.com>,
Steven Rostedt <rostedt@goodmis.org>,
Masami Hiramatsu <mhiramat@kernel.org>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
bpf <bpf@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
linux-trace-kernel <linux-trace-kernel@vger.kernel.org>
Subject: Re: [PATCH bpf-next 2/2] bpf: Add show_fdinfo for kprobe_multi
Date: Fri, 13 Jun 2025 10:52:41 +0800 [thread overview]
Message-ID: <00a22161-1e40-4ec0-be4f-e2c5dadbfe0b@linux.dev> (raw)
In-Reply-To: <CAADnVQLbpO7PED01OVZXTLib_hBYzwpC5hFyR_WMCCx8obR1Hw@mail.gmail.com>
在 2025/6/13 00:01, Alexei Starovoitov 写道:
> On Thu, Jun 12, 2025 at 4:56 AM Tao Chen <chen.dylane@linux.dev> wrote:
>>
>> Show kprobe_multi link info with fdinfo, the info as follows:
>>
>> link_type: kprobe_multi
>> link_id: 4
>> prog_tag: 279dd9c09dfbc757
>> prog_id: 30
>> type: kprobe_multi
>> func_cnt: 8
>> missed: 0
>> addr: 0xffffffff81ecb1e0
>
> fdinfo shouldn't print kernel addresses.
> It defeats kaslr
>
How about print the function name corresponding of the address, or
don't show the addr info.
> pw-bot: cr
--
Best Regards
Tao Chen
next prev parent reply other threads:[~2025-06-13 2:53 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-12 11:55 [PATCH bpf-next 1/2] bpf: Add show_fdinfo for uprobe_multi Tao Chen
2025-06-12 11:55 ` [PATCH bpf-next 2/2] bpf: Add show_fdinfo for kprobe_multi Tao Chen
2025-06-12 16:01 ` Alexei Starovoitov
2025-06-13 2:52 ` Tao Chen [this message]
2025-06-13 17:31 ` Alexei Starovoitov
2025-06-12 21:27 ` [PATCH bpf-next 1/2] bpf: Add show_fdinfo for uprobe_multi Andrii Nakryiko
2025-06-13 2:28 ` Tao Chen
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