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