Ubuntu kernel >= 5.3.0-52.46 breaks DKMS build for wireguard-linux-compat >= 1.0.20200429, patch included

Pascal Ernster pascal.ernster+wireguard at rub.de
Sun May 3 22:33:43 CEST 2020


Ubuntu kernel 5.3.0-52.46 breaks the DKMS build for
wireguard-linux-compat 1.0.20200429. Function skb_reset_redirect() got
added to the kernel's include/linux/skbuff.h, but collides with the
function defintion from wireguard-linux-compat's compat/compat.h:


Kernel 5.3.0-52.46 is not only used for Ubuntu 19.10, but serves also as
HWE kernel in Ubuntu 18.04.

I've got the DKMS module to compile again on Ubuntu 18.04 using the
attached patch, but I'm not sure it that's the correct solution to the
problem since the colliding function definitions differ and I'm not
really familiar with the kernel's network internals.

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