usb 1-1: Using ep0 maxpacket: 32
usb 1-1: New USB device found, idVendor=0af0, idProduct=d257, bcdDevice=4e.87
usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 1-1: config 0 descriptor??
hso 1-1:0.0: Can't find BULK IN endpoint
------------[ cut here ]------------
WARNING: CPU: 1 PID: 95 at net/core/dev.c:8774 rollback_registered_many+0x1ed/0xec0 net/core/dev.c:8774
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 95 Comm: kworker/1:2 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xef/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:221
 __warn.cold+0x2f/0x30 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:rollback_registered_many+0x1ed/0xec0 net/core/dev.c:8774
Code: 05 00 00 31 ff 44 89 fe e8 c0 81 79 fc 45 84 ff 0f 85 49 ff ff ff e8 82 80 79 fc 0f 1f 44 00 00 e8 78 80 79 fc e8 73 80 79 fc <0f> 0b 48 89 ef e8 79 d3 24 fd 31 ff 89 c5 89 c6 e8 8e 81 79 fc 40
RSP: 0018:ffff8881d5a86fe8 EFLAGS: 00010293
RAX: ffff8881d6c29880 RBX: ffff8881cdd64000 RCX: ffffffff84c5dc60
RDX: 0000000000000000 RSI: ffffffff84c5dc7d RDI: 0000000000000001
RBP: ffff8881cdd64068 R08: ffff8881d6c29880 R09: fffffbfff0f870a5
R10: fffffbfff0f870a4 R11: ffffffff87c38527 R12: ffff8881d5a87130
R13: dffffc0000000000 R14: ffff8881d5a870c8 R15: 0000000000000000
 rollback_registered+0xf2/0x1c0 net/core/dev.c:8853
 unregister_netdevice_queue net/core/dev.c:9945 [inline]
 unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9938
 unregister_netdevice include/linux/netdevice.h:2715 [inline]
 unregister_netdev+0x18/0x20 net/core/dev.c:9986
 hso_free_net_device+0xff/0x300 drivers/net/usb/hso.c:2367
 hso_create_net_device+0x76d/0x9c0 drivers/net/usb/hso.c:2555
 hso_probe+0x28d/0x1b7b drivers/net/usb/hso.c:2941
 usb_probe_interface+0x310/0x800 drivers/usb/core/driver.c:374
 really_probe+0x290/0xac0 drivers/base/dd.c:551
 driver_probe_device+0x223/0x350 drivers/base/dd.c:724
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x217/0x390 drivers/base/dd.c:897
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1459/0x1bf0 drivers/base/core.c:2487
 usb_set_configuration+0xe47/0x17d0 drivers/usb/core/message.c:2023
 usb_generic_driver_probe+0x9d/0xe0 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x230 drivers/usb/core/driver.c:272
 really_probe+0x290/0xac0 drivers/base/dd.c:551
 driver_probe_device+0x223/0x350 drivers/base/dd.c:724
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:831
 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:431
 __device_attach+0x217/0x390 drivers/base/dd.c:897
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0x1459/0x1bf0 drivers/base/core.c:2487
 usb_new_device.cold+0x540/0xcd0 drivers/usb/core/hub.c:2544
 hub_port_connect drivers/usb/core/hub.c:5191 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5331 [inline]
 port_event drivers/usb/core/hub.c:5477 [inline]
 hub_event+0x21cb/0x4300 drivers/usb/core/hub.c:5559
 process_one_work+0x94b/0x1620 kernel/workqueue.c:2264
 worker_thread+0x96/0xe20 kernel/workqueue.c:2410
 kthread+0x318/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..