I obviously have a somewhat unusual experience, but the only Linux kernel bug I've run into worked like this: ...
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ID Status▲ Resolution Sev▲ Product▲ Comp▲ Assignee▲ Reporter▼ Summary
36986 NEW --- nor Sisyphus virtualb sin zxwarior Рассинхронизация runlevel в сервисах vboxadd{,-service}

File a new bug in the "virtualbox-guest-utils" component of the "Sisyphus" product