kernel: protection fault trap, code=0

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

ddb{0}> serialport: Connected to syzkaller.us-central1-b.ci-openbsd-setuid-4 port 1 (session ID: 887a4012214e621ac55009ca2f25841d90f2fbd51104b5bca3e615ab3d1c3861, active connections: 1).