kernel: protection fault trap, code=0

Stopped at      witness_checkorder+0xb5:        movl    0x20(%r14),%r15d

ddb{1}> serialport: Connected to syzkaller.us-central1-b.ci-openbsd-setuid-1 port 1 (session ID: 3a728ffb804850c66ff89227b1605b386456103421ec27e433cf9111f3ba95fd, active connections: 1).