openbsd build error (6)

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: 731c78a3 convert system() calls to an execv() like interfa..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=15b0ce44a00000
kernel config: https://syzkaller.appspot.com/x/.config?x=60e2b7157576c8d7
dashboard link: https://syzkaller.appspot.com/bug?extid=289fde1c4a2f3f45df19

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

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+289fde...@syzkaller.appspotmail.com

failed to run ["make" "-j" "8" "config"]: exit status 2

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[Anton Lindqvist]

#syz fix: Add ucrcom(4) a (very simple) driver for the serial console of (some)