linux-kernel - Re: [PATCH] lkdtm: Fix Oops when unloading the 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] [day] [month] [year] [list]

Message-ID: <20170120100107.GA18115@kroah.com>
Date:   Fri, 20 Jan 2017 11:01:07 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Kees Cook <keescook@...omium.org>
Cc:     Juerg Haefliger <juerg.haefliger@....com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] lkdtm: Fix Oops when unloading the module

On Thu, Jan 19, 2017 at 02:03:11PM -0800, Kees Cook wrote:
> On Thu, Jan 19, 2017 at 2:40 AM, Juerg Haefliger
> <juerg.haefliger@....com> wrote:
> > No jprobe is registered when the module is loaded without specifying a
> > crashpoint that uses a jprobe. At the moment, we unconditionally try to
> > unregister the jprobe on module unload which results in an Oops. Add a
> > check to fix this.
> >
> > Signed-off-by: Juerg Haefliger <juerg.haefliger@....com>
> 
> Ah-ha, nice catch, thanks!
> 
> Acked-by: Kees Cook <keescook@...omium.org>
> 
> Greg, can you please add this to your tree when you get a chance?

Will do, thanks.

greg k-h