Re: [syzbot] [fs?] possible deadlock in input_inject_event

[syzbot]

syzbot has bisected this issue to:

commit fb09d0ac07725b442b32dbf53f0ab0bea54804e9
Author: lianzhi chang <changlianzhi@xxxxxxxxxxxxx>
Date:   Wed Dec 15 12:51:25 2021 +0000

    tty: Fix the keyboard led light display problem

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12ad3cdf980000
start commit:   7eef7e306d3c Merge tag 'for-6.13/dm-changes' of git://git...
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=11ad3cdf980000
console output: https://syzkaller.appspot.com/x/log.txt?x=16ad3cdf980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8df9bf3383f5970
dashboard link: https://syzkaller.appspot.com/bug?extid=79c403850e6816dc39cf
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13bfd530580000

Reported-by: syzbot+79c403850e6816dc39cf@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: fb09d0ac0772 ("tty: Fix the keyboard led light display problem")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection