SYZFAIL: SYZFAIL: unable to do an async call in a non-threaded mode

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: ec0fc95dd18b s/occured/occurred/ in comments, log messages..
git tree: netbsd
console output: https://syzkaller.appspot.com/x/log.txt?x=11e6a0bab00000
kernel config: https://syzkaller.appspot.com/x/.config?x=1420f906d33d9f1f
dashboard link: https://syzkaller.appspot.com/bug?extid=86ed9561c42666ac418c
compiler: g++ (Debian 10.2.1-6) 10.2.1 20210110
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=177b269db00000

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+86ed95...@syzkaller.appspotmail.com

SYZFAIL: SYZFAIL: unable to do an async call in a non-threaded mode
(errno 22: Invalid argument)
SYZFAIL: child failed
(errno 0: Undefined error: 0)

SYZFAIL: SYZFAIL: unable to do an async call in a non-threaded mode
(errno 22: Invalid argument)
SYZFAIL: child failed
(errno 0: Undefined error: 0)


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[Aleksandr Nogikh]

#syz invalid

Should be fixed by
https://github.com/google/syzkaller/commit/19ccaabc471a7b82a04f9156a27335774e320779

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