SYZFAIL: failed to recv rpc (4)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: db5d28f093d6 Bump kcov buffer size limit
git tree: openbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=133baeb0580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1bc15e68cd2a49e5
dashboard link: https://syzkaller.appspot.com/bug?extid=19356c07c4238ce16195

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/f827d08eb261/disk-db5d28f0.raw.xz
bsd.gdb: https://storage.googleapis.com/syzbot-assets/3a2085e72800/bsd-db5d28f0.gdb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/d09fcc02fdf8/kernel-db5d28f0.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+19356c...@syzkaller.appspotmail.com

SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=-1 (errno 54: Connection reset by peer)


OpenBSD/amd64 (Amnesiac) (tty00)

login: set $lines = 0
Password:set $maxwidth = 0
Login incorrect
login: show panic
Password:trace
Login incorrect
login: show registers
Password:show proc
Login incorrect
login: ps
Password:show all locks
Login incorrect
show malloc
login: Password:


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