kernel: protection fault trap, code=0

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

ddb{0}> serialport: Connected to syzkaller.us-central1-c.ci-openbsd-setuid-2 port 1 (session ID: 30d11df93714c0fc2e9920263a92402548971176c6e6458490234534b8408121, active connections: 1).