Re: WARNING in input_register_device

From: syzbot
Date: Sun Jan 17 2021 - 20:43:11 EST


syzbot suspects this issue was fixed by commit:

commit c318840fb2a42ce25febc95c4c19357acf1ae5ca
Author: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
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