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=17a8972f500000 start commit: cd796ed3 Merge tag 'trace-v5.10-rc7' of git://git.kernel.o.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=59df2a4dced5f928 dashboard link: https://syzkaller.appspot.com/bug?extid=4feb9bb7280fb554f021 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1653b8a7500000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=170d946b500000 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