linux-kernel - Re: Kernel module unable to find an exported symbol

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:	Mon, 14 Apr 2008 01:52:15 +0400
From:	Dmitri Vorobiev <dmitri.vorobiev@...il.com>
To:	David Erickson <halcyon1981@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Kernel module unable to find an exported symbol

David Erickson пишет:
> Hi everyone, I have two kernel modules I am developing, both use the
> call_rcu exported function. The core module finds it no problem,
> installs, and uses it.  The second module however when I try to insmod
> it complains:
> 
> Unknown symbol call_rcu
> 
> I have verified that it is exported via /proc/kallsyms:
> c04348c8 T call_rcu
> 
> I am at a loss as to how to proceed, can anyone shed some light on how
> this could be happening? Or how to diagnose and debug the problem?

It is very much possible that adding the following line to the source
code of your module will help:

MODULE_LICENSE("GPL");

HTH,
Dmitri

> 
> Thanks,
> David
> 
> ps please CC me on a reply, thank you!
> --
> 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/
> 

--
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/