linux-kernel - Re: WARNING in input_register

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Date:   Sun, 17 Jan 2021 17:41:12 -0800
From:   syzbot <syzbot+92340f7b2b4789907fdb@...kaller.appspotmail.com>
To:     andreyknvl@...gle.com, ebiggers@...nel.org,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, rafael@...nel.org,
        stern@...land.harvard.edu, syzkaller-bugs@...glegroups.com
Subject: Re: WARNING in input_register_device

syzbot suspects this issue was fixed by commit:

commit c318840fb2a42ce25febc95c4c19357acf1ae5ca
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Wed Dec 30 16:20:44 2020 +0000

    USB: Gadget: dummy-hcd: Fix shift-out-of-bounds bug

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10be15d7500000
start commit:   2c85ebc5 Linux 5.10
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=8aff533d6c635e6
dashboard link: https://syzkaller.appspot.com/bug?extid=92340f7b2b4789907fdb
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1763d433500000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13ef12cb500000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: USB: Gadget: dummy-hcd: Fix shift-out-of-bounds bug

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