On Mon, Jun 06, 2022, shaoqin.huang@xxxxxxxxx wrote: > From: Shaoqin Huang <shaoqin.huang@xxxxxxxxx> > > When freeing obsolete previous roots, check prev_roots as intended, not > the current root. > > Signed-off-by: Shaoqin Huang <shaoqin.huang@xxxxxxxxx> > Fixes: 527d5cd7eece ("KVM: x86/mmu: Zap only obsolete roots if a root shadow page is zapped") Because KVM patches aren't guaranteed to be backported without it (though it's "only" v5.18 that's affected), this needs: Cc: stable@xxxxxxxxxxxxxxx Reviewed-by: Sean Christopherson <seanjc@xxxxxxxxxx>