Wireguard installation on Ubuntu 16.04 / kernel 4.4.0-161-generic fails

Wireguard installation on Ubuntu 16.04 / kernel 4.4.0-161-generic fails

[Martin Jurasik]

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Tried to install Wireguard on a newly setup Ubuntu 16.04 VPS.

Building initial module  fails with „Error! Bad return status …“ 

Please see log file attached.

Thanks & Regards,
Martin

##### make.log #####

ProblemType: Package
DKMSBuildLog:
 DKMS make.log for wireguard-0.0.20190702 for kernel 4.4.0-161-generic (x86_64)
 Wed  4 Sep 12:47:09 CEST 2019
 make: Entering directory '/usr/src/linux-headers-4.4.0-161-generic'
   LD      /var/lib/dkms/wireguard/0.0.20190702/build/built-in.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/main.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/noise.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/device.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/peer.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/timers.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/queueing.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/send.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/receive.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/socket.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/peerlookup.o
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.o
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c: In function ‘root_remove_peer_lists’:
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c:72:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  }
  ^
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c: In function ‘root_free_rcu’:
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c:59:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  }
  ^
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c: In function ‘walk_remove_by_peer.isra.3’:
 /var/lib/dkms/wireguard/0.0.20190702/build/allowedips.c:126:1: warning: the frame size of 1032 bytes is larger than 1024 bytes [-Wframe-larger-than=]
  }
  ^
   CC [M]  /var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.o
 /var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.c:25:8: error: unknown type name ‘hsiphash_key_t’
  static hsiphash_key_t key;
         ^
 /var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.c: In function ‘wg_ratelimiter_allow’:
 /var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.c:109:22: error: implicit declaration of function ‘hsiphash_2u32’ [-Werror=implicit-function-declaration]
    bucket = &table_v4[hsiphash_2u32(net_word, ip, &key) &
                       ^
 /var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.c:116:22: error: implicit declaration of function ‘hsiphash_3u32’ [-Werror=implicit-function-declaration]
    bucket = &table_v6[hsiphash_3u32(net_word, ip >> 32, ip, &key) &
                       ^
 cc1: some warnings being treated as errors
 scripts/Makefile.build:285: recipe for target '/var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.o' failed
 make[1]: *** [/var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.o] Error 1
 Makefile:1454: recipe for target '_module_/var/lib/dkms/wireguard/0.0.20190702/build' failed
 make: *** [_module_/var/lib/dkms/wireguard/0.0.20190702/build] Error 2
 make: Leaving directory '/usr/src/linux-headers-4.4.0-161-generic'
DKMSKernelVersion: 4.4.0-161-generic
Date: Wed Sep  4 12:47:19 2019
DuplicateSignature: dkms:wireguard-dkms:0.0.20190702-wg1~xenial:/var/lib/dkms/wireguard/0.0.20190702/build/ratelimiter.c:25:8: error: unknown type name ‘hsiphash_key_t’
Package: wireguard-dkms 0.0.20190702-wg1~xenial
PackageVersion: 0.0.20190702-wg1~xenial
SourcePackage: wireguard
Title: wireguard-dkms 0.0.20190702-wg1~xenial: wireguard kernel module failed to build

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Re: Wireguard installation on Ubuntu 16.04 / kernel 4.4.0-161-generic fails

[Jason A. Donenfeld]

Thanks for the report. Ubuntu's kernel team made an error in
backporting a patch from mainline. They're aware of this error, but
they're unable to rectify it for another 7 weeks, which clearly isn't
an acceptable amount of downtime for WireGuard servers. So yesterday
we made a new WireGuard release that works around this issue. Then,
this morning, Egbert, the maintainer of our Ubuntu package, published
a new Ubuntu package for our new release. So you should be all set by
running `apt update && apt upgrade`. Sorry for the hassle. I'm not too
happy about this situation myself, and I'm going to try to figure out
how the Ubuntu kernel people can make sure they don't break WireGuard
in the future with some sort of CI.
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