I can confirm that this is fixed for me as of latest master:
$ dmesg | grep wireguard
[ 50.396241] wireguard: module verification failed: signature and/or
required key missing - tainting kernel
[ 50.396675] wireguard: WireGuard 0.0.20180802-11-gc6505ee loaded. See
www.wireguard.com for information.
[ 50.396675] wireguard: Copyright (C) 2015-2018 Jason A. Donenfeld
<[email protected]>. All Rights Reserved.
$ sudo ip link add dev wg0 type wireguard
$ sudo ./wgnlbug -n 2
before: wg0
after: wg0
- peer: ZoJIpwr1iel/9emt2bNlnHhvasjZdmUD6v92Ry8z1Ro=: 0 IPs
- peer: y84s8m/91ryGV8tTQbycauYcukCjrAG1B8vx44BsxWM=: 511 IPs
$ sudo wg show
interface: wg0
peer: ZoJIpwr1iel/9emt2bNlnHhvasjZdmUD6v92Ry8z1Ro=
allowed ips: (none)
peer: y84s8m/91ryGV8tTQbycauYcukCjrAG1B8vx44BsxWM=
allowed ips: 2001:db8::1ff/128, 2001:db8::1fe/128, ...
Thanks for the quick patch. I started with a pretty naive approach on
my netlink message chunking implementation, but I'm glad I was able to
help find a problem that way.
I'll be sure to report anything else I find, but at this point, I think
I'm feature-complete for both userspace and kernel APIs.
- Matt
On 08/08/2018 10:20 PM, Jason A. Donenfeld wrote:
On Wed, Aug 8, 2018 at 5:30 PM Matt Layher <[email protected]> wrote:
Excellent! That's much more concise.
Let me know if this fixes it for you, and please do keep messing with
weird cases to see if you can find more bugs. I really appreciate you
finding this.
https://git.zx2c4.com/WireGuard/commit/?id=fd60e07ba3e294b94985a42d11afebf55f1d8829
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