wireguard-dkms and CentOS 7.5

[Henry Snow]

Well, I might have spoken too soon. As soon as a connection was established
to another wireguard peer (v. 0.0.20180118), the CentOS 7.5 server kernel
panic'd.

Message from syslogd at tun001 at May 10 12:53:12 ...
 kernel:Kernel panic - not syncing: Fatal exception in interrupt

Seeing something along the lines of this in the console output on boot:
[   29.418257] wireguard: loading out-of-tree module taints kernel.
[   29.454659] wireguard: WireGuard 0.0.20180420 loaded. See
www.wireguard.com for information.
[   29.464057] wireguard: Copyright (C) 2015-2018 Jason A. Donenfeld <
Jason at zx2c4.com>. All Rights R.
[   29.598028] ------------[ cut here ]------------
[   29.604356] kernel BUG at mm/slub.c:3601!
[   29.609122] invalid opcode: 0000 [#1] SMP
[   29.614013] Modules linked in: veth vxlan wireguard(OE) bridge stp llc
ip_vs ip6_udp_tunnel udp_tunnel bonding ip


On Thu, May 10, 2018 at 12:31 PM Henry Snow <henry.snow at nielsen.com> wrote:

> Perfect, that patch worked for me. Thank you for the quick fix!
>
>
> On Thu, May 10, 2018 at 12:14 PM Jason A. Donenfeld <Jason at zx2c4.com>
> wrote:
>
>> Hi again,
>>
>> I've fixed that here:
>>
>> https://git.zx2c4.com/WireGuard/patch/?id=94f25e47b23ddeba26120de4ee3c098438fc2251
>>
>> This will be part of the next snapshot. In the meantime, you can apply
>> that manually to the src directory, and perhaps Joe (CCd) can add it
>> to the rpm.
>>
>> Jason
>>
> --
> Henry Snow | Director, Site Reliability Engineering
> eXelate, a Nielsen company <http://exelate.com/>
> E: henry.snow at nielsen.com | M: 347.366.2700 <(347)%20366-2700>
> 675 6th Ave, 3rd Floor, New York, NY 10010
>
-- 
Henry Snow | Director, Site Reliability Engineering
eXelate, a Nielsen company <http://exelate.com/>
E: henry.snow at nielsen.com | M: 347.366.2700
675 6th Ave, 3rd Floor, New York, NY 10010
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