https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #22 from Jason A. Donenfeld ---
Alright, I've now spent a bit of time tracking down these race conditions and
reproducing them in a VM. It looks like there are two separate kernel race
conditions:
- SIOCGIFSTATUS races with SIO
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #23 from Jason A. Donenfeld ---
Also, given the success of `while true; do ifconfig tun0 create; ifconfig tun0
destroy; done` at crashing the kernel, I'm pretty sure you can remove
"triggered by net/wireguard" from the title of
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #24 from Jason A. Donenfeld ---
(while true; do ifconfig tun0 create; ifconfig tun0 destroy; done)& (while
true; do for i in {1..30}; do ifconfig tun0 & done; wait; done)&
Potentially more vicious reproducer.
--
You are recei
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #25 from genneko...@gmail.com ---
(In reply to Jason A. Donenfeld from comment #22)
Thank you for various workarounds. Those patches work so far.
I noticed wg-quick down occasionally hangs at piperd, but now it seems to be
patch
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #26 from Jason A. Donenfeld ---
Indeed those patches I posted here are (already) out of date. But upstream
master now has patches that appear to workaround the kernel bugs of this
report. I think we're done here on the WireGuard
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #27 from commit-h...@freebsd.org ---
A commit references this bug:
Author: decke
Date: Tue Apr 23 12:33:45 UTC 2019
New revision: 499754
URL: https://svnweb.freebsd.org/changeset/ports/499754
Log:
net/wireguard:
work around
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #28 from commit-h...@freebsd.org ---
A commit references this bug:
Author: decke
Date: Tue Apr 23 12:36:30 UTC 2019
New revision: 499755
URL: https://svnweb.freebsd.org/changeset/ports/499755
Log:
net/wireguard: workaround SI
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
--- Comment #29 from commit-h...@freebsd.org ---
A commit references this bug:
Author: kevans
Date: Tue Apr 23 17:28:28 UTC 2019
New revision: 346602
URL: https://svnweb.freebsd.org/changeset/base/346602
Log:
tun(4): Defer clearing TUN_O
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233955
Kyle Evans changed:
What|Removed |Added
CC||kev...@freebsd.org
--- Comment #30 fr
Moving to net@
24.04.2019 1:06, Wojciech Puchar wrote:
>>> can IPSEC VPN work over nat? even freebsd-freebsd case.
>>>
>>> I cannot find any tutorial how to do this.
>>
>> FreeBSD 11.1 and later supports IPSec NAT Traversal out-of-the-box.
>>
>>
>>
> so do you have an URL for guide how to do this
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