Hello, syzbot found the following crash on: HEAD commit: f8f02d5c USB: OTG: rename product list of devices git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing console output: https://syzkaller.appspot.com/x/log.txt?x=11bfddf1100000 kernel config: https://syzkaller.appspot.com/x/.config?x=fbe5dc26525767f1 dashboard link: https://syzkaller.appspot.com/bug?extid=0b3de1d31a24da20947b compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11abf20d100000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ea5a11100000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+0b3de1d31a24da20947b@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:26! --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches
