syzbot has bisected this bug to: commit c61769bd4777a922952aed0d042a2572e5bd9b74 Author: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Date: Thu May 7 17:06:57 2020 +0000 usb: raw-gadget: support stalling/halting/wedging endpoints bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14add53c100000 start commit: 051143e1 Merge tag 'apparmor-pr-2020-05-21' of git://git.k.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=16add53c100000 console output: https://syzkaller.appspot.com/x/log.txt?x=12add53c100000 kernel config: https://syzkaller.appspot.com/x/.config?x=b3368ce0cc5f5ace dashboard link: https://syzkaller.appspot.com/bug?extid=53ce4a4246d0fe0fee34 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15be3ad6100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1559676e100000 Reported-by: syzbot+53ce4a4246d0fe0fee34@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: c61769bd4777 ("usb: raw-gadget: support stalling/halting/wedging endpoints") For information about bisection process see: https://goo.gl/tpsmEJ#bisection