usb 1-1: r8712u: MAC Address from efuse = 00:e0:4c:87:00:00
usb 1-1: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
usb 1-1: USB disconnect, device number 2
------------[ cut here ]------------
WARNING: CPU: 1 PID: 78 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: 1 PID: 78 Comm: kworker/1:1 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:ffff8881d92c7648 EFLAGS: 00010293
RAX: ffff8881d9151880 RBX: ffff8881cf480000 RCX: ffffffff84b529b0
RDX: 0000000000000000 RSI: ffffffff84b529be RDI: 0000000000000001
RBP: ffff8881cf480068 R08: ffff8881d9151880 R09: fffffbfff0ee4565
R10: fffffbfff0ee4564 R11: ffffffff87722b27 R12: ffff8881d92c7798
R13: ffff8881d92c7730 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
 r871xu_dev_remove+0xe2/0x215 drivers/staging/rtl8712/usb_intf.c:604
 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:423
 __device_release_driver drivers/base/dd.c:1134 [inline]
 device_release_driver_internal+0x42f/0x500 drivers/base/dd.c:1165
 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:532
 device_del+0x481/0xd30 drivers/base/core.c:2664
 usb_disable_device+0x211/0x690 drivers/usb/core/message.c:1237
 usb_disconnect+0x284/0x8d0 drivers/usb/core/hub.c:2200
 hub_port_connect drivers/usb/core/hub.c:5035 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5324 [inline]
 port_event drivers/usb/core/hub.c:5470 [inline]
 hub_event+0x1753/0x3860 drivers/usb/core/hub.c:5552
 process_one_work+0x92b/0x1530 kernel/workqueue.c:2264
 process_scheduled_works kernel/workqueue.c:2326 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2412
 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..