(ptrval): 0000000000000000 ...
        (ptrval): ffffffff878001da (ret_from_fork+0x3a/0x50)
        (ptrval): 0000000000000000 ...
WARNING: kernel stack regs at         (ptrval) in kworker/1:2:2105 has bad 'bp' value         (ptrval)
random: crng init done
WARNING: kernel stack frame pointer at 00000000a7266c7c in kworker/0:1:24 has bad value 000000004d689cf7