On Wed 2019-10-02 16:05:06 +0800, Aron Xu wrote: > I tried more to reproduce this bug, the problem only affect linux > 4.19.0-0.bpo.4 and 4.19.0-0.bpo.5 (while I haven't tried earlier bpo > versions), and does not affect 4.9 or 4.19.0-0.bpo.6
From Michel Meyers messages in this thread, it looks like it also impacts 4.19.0-2. I agree that the simplest fix for people today is to ensure that they've upgraded to 4.19.0-6 or later (or 4.19.0-0.bpo.6 or later, if still on stretch). If anyone has any clearer diagnostics about what version of wireguard introduced the errors for the older kernels, or (even better) what specific change seems to cause the incompatibility, then that might be useful for further debugging. Sorry that i haven't had the time to dig into it further, but i appreciate the ongoing reports. --dkg
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