On Thu, Mar 31, 2022, Sean Christopherson wrote: > On Wed, Mar 30, 2022, Jan Stancek wrote: > > +CC kvm > > > > Issue seems to be that nx_huge_pages is not initialized (-1) and > > attempted to be used as boolean when reading > > /sys/module/kvm/parameters/nx_huge_pages > > Ugh, CONFIG_UBSAN_BOOL=y complains about a bool not being 0 or 1. What a pain. Side topic, any idea why your traces don't have the UBSAN output? I verified that it's not a panic_on_warn thing. Having the UBSAN output in future bug reports would be very helpful. [ 13.150244] ================================================================================ [ 13.150780] UBSAN: invalid-load in kernel/params.c:320:33 [ 13.151192] load of value 255 is not a valid value for type '_Bool' [ 13.152079] ================================================================================
