kernel: protection fault trap, code=NUM (8)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 3dd691bf9970 sys/uvideo: add quriks for Elgato Game Captur..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=14e3c1b0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=d162c23fa7b5c2990d08

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/5a1dbebc7255/disk-3dd691bf.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/2514fd0a8486/bsd-3dd691bf.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/03e6d93ecc7f/kernel-3dd691bf.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+d162c2...@syzkaller.appspotmail.com

kernel: protection fault trap, code=0

Stopped at witness_checkorder+0xa9: movl 0x18(%r14),%r15d

ddb{0}> serialport: Connected to syzkaller.us-central1-b.ci-openbsd-setuid-1 port 1 (session ID: 3d7334f54e34eca837976c35079de2ba7ce6974867ee0b3bd3fc263e39ffd3d7, active connections: 1).


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[syzbot]

Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.