linux-kernel - Re: [syzbot] [fs?] possible deadlock in input_inject

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Message-ID: <675e3dff.050a0220.37aaf.00e5.GAE@google.com>
Date: Sat, 14 Dec 2024 18:25:03 -0800
From: syzbot <syzbot+79c403850e6816dc39cf@...kaller.appspotmail.com>
To: alex.aring@...il.com, amir73il@...il.com, bfields@...ldses.org, 
	brauner@...nel.org, changlianzhi@...ontech.com, chuck.lever@...cle.com, 
	dmitry.torokhov@...il.com, gregkh@...uxfoundation.org, jack@...e.cz, 
	jlayton@...nel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	viro@...iv.linux.org.uk
Subject: Re: [syzbot] [fs?] possible deadlock in input_inject_event

syzbot has bisected this issue to:

commit fb09d0ac07725b442b32dbf53f0ab0bea54804e9
Author: lianzhi chang <changlianzhi@...ontech.com>
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@...kaller.appspotmail.com
Fixes: fb09d0ac0772 ("tty: Fix the keyboard led light display problem")

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