linux-kernel - Re: [QUESTION] Kprobes as a module?

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]

Date:	Tue, 15 May 2012 16:31:42 +0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	Namhyung Kim <namhyung.kim@....com>
CC:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	linux-kernel@...r.kernel.org, Hyeoncheol Lee <cheol.lee@....com>
Subject: Re: [QUESTION] Kprobes as a module?

On 05/15/2012 04:24 PM, Namhyung Kim wrote:
> Hi,
>
> Probably a dumb question :).
> What prevents the kprobes from being built as a module? We want to use
> the kprobes on our systems, but some guys worried about potential
> security problems. So it'd be great if we can enable/load kprobes as
> needed and then disable/unload after using it. Is it a possible senario?
>

Kconfig prevents that:

config KPROBES
         bool "Kprobes"
         depends on MODULES
         depends on HAVE_KPROBES
         select KALLSYMS


so you can have either CONFIG_KPROBES=y or CONFIG_KPROBES=n, but not =m.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/