SYZFAIL: child failed

[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=1314ecba580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=f8e6ca69b2eebdffcf7d

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+f8e6ca...@syzkaller.appspotmail.com

SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
ifconfig: tap1: SIOCIFDESTROY: Device not configured
SYZFAIL: too many calls in output
slot=64 (errno 1: Operation not permitted)
SYZFAIL: child failed
(errno 0: Undefined error: 0)
SYZFAIL: repeatedly failed to execute the program
proc=1 req=931 state=3 status=67 (errno 35: Resource temporarily unavailable)
login:

OpenBSD/amd64 (ci-openbsd-main-7.us-central1-b.c.syzkaller.internal) (tty00)

login: uvn_flush: obj=0xfffffd806f2afaf8, offset=0x3fd000. error during pageout.
uvn_flush: WARNING: changes to page may be lost!
set $lines = 0
Password:
Login incorrect
login: show panic
Password:
Login incorrect
login: show registers
Password:
Login incorrect
login: ps
Password:uvn_flush: obj=0xfffffd806f2af5f8, offset=0x3fd000. error during pageout.
uvn_flush: WARNING: changes to page may be lost!

Login incorrect
show malloc
login: Password:
Login incorrect
machine ddbcpu 0
login: Password:


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