usb 1-1: string descriptor 0 read error: -22 usb 1-1: New USB device found, idVendor=0af0, idProduct=6811, bcdDevice=d7.8a usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: config 0 descriptor?? hso 1-1:0.0: Can't find BULK IN endpoint ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8 at net/core/dev.c:10900 unregister_netdevice_many+0x205/0x1760 net/core/dev.c:10900 Modules linked in: CPU: 0 PID: 8 Comm: kworker/0:2 Not tainted 5.12.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event RIP: 0010:unregister_netdevice_many+0x205/0x1760 net/core/dev.c:10900 Code: 05 00 00 31 ff 44 89 fe e8 78 28 76 fa 45 84 ff 0f 85 49 ff ff ff e8 ba 21 76 fa 0f 1f 44 00 00 e8 b0 21 76 fa e8 ab 21 76 fa <0f> 0b 4c 89 ef e8 b1 a2 ce fc 31 ff 41 89 c5 89 c6 e8 45 28 76 fa RSP: 0018:ffffc90000cd6f40 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888016662000 RCX: 0000000000000000 RDX: ffff8880111354c0 RSI: ffffffff86fdcf65 RDI: 0000000000000003 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff86fdcf48 R11: 0000000000000000 R12: ffffc90000cd7010 R13: ffff888016662060 R14: ffffc90000cd6fb0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561c7b48e398 CR3: 00000000259f0000 CR4: 0000000000350ef0 Call Trace: unregister_netdevice_queue+0x2dd/0x3c0 net/core/dev.c:10868 unregister_netdevice include/linux/netdevice.h:2884 [inline] unregister_netdev+0x18/0x20 net/core/dev.c:10993 hso_free_net_device+0x110/0x3b0 drivers/net/usb/hso.c:2370 hso_create_net_device+0x79c/0xa80 drivers/net/usb/hso.c:2557