Hi there, after updating to the current Ubuntu 18.04 kernel 4.15.0-106-generic kernel wireguard-dkms no longer compiles with the following build failure:
DKMS make.log for wireguard-1.0.20200520 for kernel 4.15.0-106-generic (x86_64) Wed Jun 10 12:32:13 CEST 2020 make: Entering directory '/usr/src/linux-headers-4.15.0-106-generic' CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/main.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/noise.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/device.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/peer.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/timers.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/queueing.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/send.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/receive.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/socket.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/peerlookup.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/allowedips.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/ratelimiter.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/cookie.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/netlink.o CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/crypto/zinc/chacha20/chacha20.o PERLASM /var/lib/dkms/wireguard/1.0.20200520/build/crypto/zinc/chacha20/chacha20-x86_64.S CC [M] /var/lib/dkms/wireguard/1.0.20200520/build/crypto/zinc/poly1305/poly1305.o In file included from <command-line>:0:0: /var/lib/dkms/wireguard/1.0.20200520/build/socket.c: In function ‘send6’: /var/lib/dkms/wireguard/1.0.20200520/build/compat/compat.h:102:42: error: ‘const struct ipv6_stub’ has no member named ‘ipv6_dst_lookup’; did you mean ‘ipv6_dst_lookup_flow’? #define ipv6_dst_lookup_flow(a, b, c, d) ipv6_dst_lookup(a, b, &dst, c) + (void *)0 ?: dst ^ /var/lib/dkms/wireguard/1.0.20200520/build/socket.c:139:20: note: in expansion of macro ‘ipv6_dst_lookup_flow’ dst = ipv6_stub->ipv6_dst_lookup_flow(sock_net(sock), sock, &fl, ^~~~~~~~~~~~~~~~~~~~ scripts/Makefile.build:330: recipe for target '/var/lib/dkms/wireguard/1.0.20200520/build/socket.o' failed make[1]: *** [/var/lib/dkms/wireguard/1.0.20200520/build/socket.o] Error 1 make[1]: *** Waiting for unfinished jobs.... Makefile:1577: recipe for target '_module_/var/lib/dkms/wireguard/1.0.20200520/build' failed make: *** [_module_/var/lib/dkms/wireguard/1.0.20200520/build] Error 2 make: Leaving directory '/usr/src/linux-headers-4.15.0-106-generic' Regards, Thilo