multicore test error: SYZFAIL: failed to recv rpc

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 019a55e8f98e Hide global _it symbols in dsa.h
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=113741e1980000
kernel config: https://syzkaller.appspot.com/x/.config?x=7058272de1526588
dashboard link: https://syzkaller.appspot.com/bug?extid=7115badc143affd20158

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+7115ba...@syzkaller.appspotmail.com

SYZFAIL: failed to recv rpc
fd=3 want=4 sent=0 n=0 (errno 9: Bad file descriptor)


OpenBSD/amd64 (ci-openbsd-setuid-test-1.c.syzkaller.internal) (tty00)

login: 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:


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