linux-kernel - Re: Question about config UPROBES and UPROBE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241001002813.6012587b5e52737a576f1d0b@kernel.org>
Date: Tue, 1 Oct 2024 00:28:13 +0900
From: Masami Hiramatsu (Google) <mhiramat@...nel.org>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: Tiezhu Yang <yangtiezhu@...ngson.cn>, "Masami Hiramatsu (Google)"
 <mhiramat@...nel.org>, linux-trace-kernel@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: Question about config UPROBES and UPROBE_EVENTS

On Mon, 30 Sep 2024 10:06:30 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> On Mon, 30 Sep 2024 09:33:42 +0800
> Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:
> 
> > > the CONFIG_UPROBES is disabled by default and make CONFIG_UPROBE_EVENTS
> > > depending on it, the uprobe_events menu is hidden. I don't like this.  
> > 
> > This is somehow like the current status of CONFIG_KPROBES and
> > CONFIG_KPROBE_EVENTS.
> 
> The question is, can uprobes be used without uprobe_events? With the
> current BPF work that I haven't been following, it may be possible now.

uprobe_register/unregister APIs are exposed to the kernel modules,
since systemtap had been introduced this feature.

Thank you,

> 
> If uprobes can be used without uprobe events, like kprobes can be used
> without kprobe events, then I can see having uprobes as a separate config
> menu option. If not, then no, it shouldn't be.
> 
> -- Steve


-- 
Masami Hiramatsu (Google) <mhiramat@...nel.org>