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Date: Thu, 4 Jun 2020 08:25:39 +0200
From: Mikhail Morfikov <mmorfikov@...il.com>
To: lkrg-users@...ts.openwall.com
Subject: Re: Support for 5.7 linux kernel?
On 04/06/2020 08:11, Mikhail Morfikov wrote:
> On 04/06/2020 07:51, Adam Zabrocki wrote:
>> Hey,
>>
>> Can you double check if you have enabled CONFIG_MODULE_UNLOAD ?
>> I've checked the sources here (latest 5.7):
>>
>> https://elixir.bootlin.com/linux/v5.7-rc7/source/include/linux/module.h#L501
>>
>> and missing variable is under #ifdef CONFIG_MODULE_UNLOAD block.
>>
> Yes, it builds well with CONFIG_MODULE_UNLOAD enabled.:
>
> # dkms status
> lkrg, 0.7+git20200604, 5.7.0-amd64, x86_64: installed
>
>
Ok, maybe it builds nice now, but it doesn't look like it's working well:
# modprobe -v p_lkrg
insmod /lib/modules/5.7.0-amd64/updates/dkms/p_lkrg.ko
modprobe: ERROR: could not insert 'p_lkrg': Network is down
and in the syslog I have the following:
kernel: [p_lkrg] Loading LKRG...
kernel: [p_lkrg] System does NOT support SMAP. LKRG can't enforce SMAP validation :(
kernel: [p_lkrg] [get_kallsyms_address] register_kprobe error [-38] :(
kernel: [p_lkrg] Can't find kallsyms_lookup_name() function address! Exiting...
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