(ptrval): 0000000000445649 (0x445649)
        (ptrval): 0000000000000033 (0x33)
        (ptrval): 0000000000000216 (0x216)
        (ptrval): 00007f155536eda8 (0x7f155536eda8)
        (ptrval): 000000000000002b (0x2b)
WARNING: kernel stack regs at         (ptrval) in syzkaller547737:4493 has bad 'bp' value         (ptrval)
WARNING: kernel stack frame pointer at         (ptrval) in syzkaller547737:4496 has bad value         (ptrval)