SYZFAIL: SIGILL

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 87dc1fa97379 Ensure known_hosts file exists when setting up.
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=128121d6580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=a543fe38eb45ac87a201

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/9369fd0bc960/disk-87dc1fa9.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/0cbc7fb421cc/bsd-87dc1fa9.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/4fc4aa5cd9da/kernel-87dc1fa9.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a543fe...@syzkaller.appspotmail.com

SYZFAIL: SIGILL
pc-offset:0x4acb6e63f71 pc:0xdeadbeef addr:0x0 code=0 (errno 35: Resource temporarily unavailable)
uvn_flush: obj=0xfffffd807a93b6e8, offset=0x3fe000. error during pageout.
uvn_flush: WARNING: changes to page may be lost!


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