Hello, I am upgrading my VM host from 5.4.126 to 5.10.46. The host started crashing almost instantly after boot. The issue is traced down to: If the vhost-net module is loaded with "experimental_zcopytx=1", as soon as a Windows KVM guest boots up and starts doing even a light network load (watching YouTube), the entire host crashes with a backtrace pointing to skb_segment, parts of which I was able to capture. This is reproducible 100% of the time, got 3 identical crashes before getting a capture and then flipping the parameter to 0. With it set to 0 the issue goes away. Reported at [1], not sure if that was the best place for the report, thought maybe posting here as well won't hurt. Thanks [1] https://bugzilla.kernel.org/show_bug.cgi?id=213563 -- With respect, Roman
