SYZFAIL: dup2(NUM, kInPipeFd) failed (4)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 228829a254a6 Add a key to change an array key in customize..
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=1364ab39580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=53fe12343a25d05ed61c

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/1ea08f8362c0/disk-228829a2.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/bd1cfaa1224f/bsd-228829a2.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ed2c9e870b83/kernel-228829a2.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+53fe12...@syzkaller.appspotmail.com

SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: dup2(0, kInPipeFd) failed
(errno 9: Bad file descriptor)
SYZFAIL: repeatedly failed to execute the program
proc=8 req=110 state=1 status=67 (errno 4: Interrupted system call)
login:

OpenBSD/amd64 (ci-openbsd-main-3.us-central1-b.c.syzkaller.internal) (tty00)

login: uvn_flush: obj=0xffffef006f4f9c88, offset=0x3ff000. 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:
Login incorrect
show malloc
login: Password:
Login incorrect
machine ddbcpu 0
login: Password:
Login incorrect
machine ddbcpu 1
login: Password:
Login incorrect
login:


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