Re: WARNING in cm109_submit_buzz_toggle/usb_submit_urb

From: syzbot
Date: Wed Jan 13 2021 - 20:51:10 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=1075dcaf500000
start commit: fa02fcd9 Merge tag 'media/v5.10-2' of git://git.kernel.org..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=cb8d1a3819ba4356
dashboard link: https://syzkaller.appspot.com/bug?extid=c7e665956b189738fe5e
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ba912d500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10dfad85500000

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