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: <20090605092014.GA8354@cr0.nay.redhat.com>
Date:	Fri, 5 Jun 2009 17:20:14 +0800
From:	Amerigo Wang <xiyou.wangcong@...il.com>
To:	Tao Ma <tao.ma@...cle.com>
Cc:	Amerigo Wang <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: /proc/kcore has a unreasonable size(281474974617600) in x86_64
	2.6.30-rc8.

On Fri, Jun 05, 2009 at 05:01:00PM +0800, Tao Ma wrote:
>>>>>>> I just noticed this when kexec fails in "Can't find kernel 
>>>>>>> text map area  from kcore".
>>>>>>>
>>>>>>> Is there something wrong?
>>>>>> It looks like that error message is from userspace?
>>>>> I just started kdump and get the error message.
>>>> IIRC, kdump should use /proc/vmcore, instead of /proc/kcore...
>>>> nothing related.
>>> in el5, when start kdump service it will do something like
>>> /sbin/kexec --args-linux -p '--command-line=ro root=LABEL=/ rhgb 
>>> quiet  irqpoll maxcpus=1' 
>>> --initrd=/boot/initrd-2.6.18-53.el5kdump.img   
>>> /boot/vmlinuz-2.6.18-53.el5
>>>
>>> And the error message is from there.
>>
>>> From /sbin/kexec? I just checked the source code of kexec-tools,
>> I haven't found that message...
> No, it is there.
> See kexec-tools-1.101-reloc-update.patch.
> src rpm is kexec-tools-1.101-194.4.el5.src.rpm. So it is a patch from el5.

Oh, I used the original source code without any extral patches..

Thanks for your reply.

--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ