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: 0 PID: 12 at net/core/dev.c:8709 rollback_registered_many+0x1de/0xea0 net/core/dev.c:8709 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.4.0-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+0x1de/0xea0 net/core/dev.c:8709 Code: 84 c0 74 06 0f 8e c1 0a 00 00 44 0f b6 bb 28 05 00 00 31 ff 44 89 fe e8 80 55 89 fc 45 84 ff 0f 85 49 ff ff ff e8 42 54 89 fc <0f> 0b 48 89 ef e8 18 47 31 fd 31 ff 89 c5 89 c6 e8 5d 55 89 fc 40 RSP: 0018:ffff8881da627000 EFLAGS: 00010293 RAX: ffff8881da611880 RBX: ffff8881cf8ec000 RCX: ffffffff84b529b0 RDX: 0000000000000000 RSI: ffffffff84b529be RDI: 0000000000000001 RBP: ffff8881cf8ec068 R08: ffff8881da611880 R09: fffffbfff0ee4565 R10: fffffbfff0ee4564 R11: ffffffff87722b27 R12: ffff8881da627150 R13: ffff8881da6270e8 R14: dffffc0000000000 R15: 0000000000000000 rollback_registered+0xf2/0x1c0 net/core/dev.c:8788 unregister_netdevice_queue net/core/dev.c:9887 [inline] unregister_netdevice_queue+0x1d7/0x2b0 net/core/dev.c:9880 unregister_netdevice include/linux/netdevice.h:2669 [inline] unregister_netdev+0x18/0x20 net/core/dev.c:9928 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+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x104/0x210 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0x1480/0x1c20 drivers/base/core.c:2487 usb_set_configuration+0xe67/0x1740 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x104/0x210 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:430 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:490 device_add+0x1480/0x1c20 drivers/base/core.c:2487 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2537 hub_port_connect drivers/usb/core/hub.c:5184 [inline] hub_port_connect_change drivers/usb/core/hub.c:5324 [inline] port_event drivers/usb/core/hub.c:5470 [inline] hub_event+0x1e59/0x3860 drivers/usb/core/hub.c:5552 process_one_work+0x92b/0x1530 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..