dummy_hcd dummy_hcd.3: no ep configured for urb 00000000713a3dbe
xpad 4-1:0.169: xpad_irq_out - usb_submit_urb failed with result -19
==================================================================
BUG: KASAN: use-after-free in debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
BUG: KASAN: use-after-free in do_raw_spin_lock+0x24d/0x280 kernel/locking/spinlock_debug.c:112
Read of size 4 at addr ffff8881af9d805c by task kworker/1:4/2775

CPU: 1 PID: 2775 Comm: kworker/1:4 Not tainted 5.2.0-rc6+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 print_address_description+0x67/0x231 mm/kasan/report.c:188
 __kasan_report.cold+0x1a/0x32 mm/kasan/report.c:317
 kasan_report+0xe/0x20 mm/kasan/common.c:614
 debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline]
 do_raw_spin_lock+0x24d/0x280 kernel/locking/spinlock_debug.c:112
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline]
 _raw_spin_lock_irqsave+0x3a/0x50 kernel/locking/spinlock.c:159
 __wake_up_common_lock+0xb0/0x170 kernel/sched/wait.c:121
 __usb_unanchor_urb drivers/usb/core/urb.c:154 [inline]
 usb_anchor_resume_wakeups+0xbe/0xe0 drivers/usb/core/urb.c:148
 __usb_hcd_giveback_urb+0x1fa/0x470 drivers/usb/core/hcd.c:1760
 usb_hcd_giveback_urb+0x34a/0x400 drivers/usb/core/hcd.c:1823
 dummy_timer+0x1022/0x2df4 drivers/usb/gadget/udc/dummy_hcd.c:1965
 call_timer_fn+0x15e/0x5e0 kernel/time/timer.c:1322
 expire_timers kernel/time/timer.c:1366 [inline]
 __run_timers kernel/time/timer.c:1685 [inline]
 __run_timers kernel/time/timer.c:1653 [inline]
 run_timer_softirq+0x597/0x1410 kernel/time/timer.c:1698
 __do_softirq+0x219/0x8b0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:373 [inline]
 irq_exit+0x17c/0x1a0 kernel/softirq.c:413
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0xe2/0x480 arch/x86/kernel/apic/apic.c:1068
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:85 [inline]
RIP: 0010:console_unlock+0x9db/0xbf0 kernel/printk/printk.c:2471
Code: 00 89 ee 48 c7 c7 e0 eb f2 86 e8 50 a4 03 00 65 ff 0d 51 56 da 7e e9 11 fa ff ff e8 af 43 15 00 e8 ba 69 1a 00 ff 74 24 30 9d <e9> 31 fe ff ff e8 9b 43 15 00 48 8b bc 24 80 00 00 00 c7 05 d9 e6
RSP: 0018:ffff8881aed0e9a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffff1103a447d2e
RDX: 0000000000000000 RSI: ffff8881d223e950 RDI: ffff8881d223e834
RBP: 0000000000000000 R08: ffff8881d223e000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000070
R13: ffffffff828cb580 R14: ffffffff8726a520 R15: dffffc0000000000
 vprintk_emit+0x171/0x3e0 kernel/printk/printk.c:1986
 dev_vprintk_emit+0x4fc/0x541 drivers/base/core.c:3190
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3201
 __netdev_printk net/core/dev.c:9622 [inline]
 __netdev_printk+0x1c6/0x27c net/core/dev.c:9618
 netdev_warn+0xd7/0x109 net/core/dev.c:9675
 asix_read_cmd.cold+0x3a/0x46 drivers/net/usb/asix_common.c:29
 asix_mdio_read+0x124/0x250 drivers/net/usb/asix_common.c:459
 __mdiobus_read+0x91/0x2e0 drivers/net/phy/mdio_bus.c:563
 mdiobus_read+0x51/0x70 drivers/net/phy/mdio_bus.c:640
 get_phy_id drivers/net/phy/phy_device.c:785 [inline]
 get_phy_device+0xd9/0x450 drivers/net/phy/phy_device.c:819
 mdiobus_scan+0x79/0x340 drivers/net/phy/mdio_bus.c:527
 __mdiobus_register+0x3a7/0x680 drivers/net/phy/mdio_bus.c:426
 ax88172a_init_mdio drivers/net/usb/ax88172a.c:105 [inline]
 ax88172a_bind+0x57e/0x79e drivers/net/usb/ax88172a.c:243
 usbnet_probe+0xb43/0x2480 drivers/net/usb/usbnet.c:1722
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_set_configuration+0xdf6/0x1670 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+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432
 process_one_work+0x905/0x1570 kernel/workqueue.c:2269
 worker_thread+0x96/0xe20 kernel/workqueue.c:2415
 kthread+0x30b/0x410 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Allocated by task 3786:
 save_stack+0x1b/0x80 mm/kasan/common.c:71
 set_track mm/kasan/common.c:79 [inline]
 __kasan_kmalloc mm/kasan/common.c:489 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:462
 kmalloc include/linux/slab.h:547 [inline]
 kzalloc include/linux/slab.h:742 [inline]
 xpad_probe+0x24b/0x1b20 drivers/input/joystick/xpad.c:1717
 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361
 really_probe+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_set_configuration+0xdf6/0x1670 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+0x281/0x660 drivers/base/dd.c:509
 driver_probe_device+0x104/0x210 drivers/base/dd.c:670
 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:777
 bus_for_each_drv+0x15c/0x1e0 drivers/base/bus.c:454
 __device_attach+0x217/0x360 drivers/base/dd.c:843
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514
 device_add+0xae6/0x16f0 drivers/base/core.c:2111
 usb_new_device.cold+0x8c1/0x1016 drivers/usb/core/hub.c:2534
 hub_port_connect drivers/usb/core/hub.c:5089 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1ada/0x3590 drivers/usb/core/hub.c:5432
 process_one_work+0x905/0x1570 kernel/workqueue.c:2269
 process_scheduled_works kernel/workqueue.c:2331 [inline]
 worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417
 kthread+0x30b/0x410 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Freed by task 2847:
 save_stack+0x1b/0x80 mm/kasan/common.c:71
 set_track mm/kasan/common.c:79 [inline]
 __kasan_slab_free+0x130/0x180 mm/kasan/common.c:451
 slab_free_hook mm/slub.c:1421 [inline]
 slab_free_freelist_hook mm/slub.c:1448 [inline]
 slab_free mm/slub.c:2994 [inline]
 kfree+0xd7/0x280 mm/slub.c:3949
 xpad_disconnect+0x1cb/0x4a3 drivers/input/joystick/xpad.c:1865
 usb_unbind_interface+0x1bd/0x8a0 drivers/usb/core/driver.c:423
 __device_release_driver drivers/base/dd.c:1081 [inline]
 device_release_driver_internal+0x404/0x4c0 drivers/base/dd.c:1112
 bus_remove_device+0x2dc/0x4a0 drivers/base/bus.c:556
 device_del+0x460/0xb80 drivers/base/core.c:2274
 usb_disable_device+0x211/0x690 drivers/usb/core/message.c:1237
 usb_disconnect+0x284/0x830 drivers/usb/core/hub.c:2197
 hub_port_connect drivers/usb/core/hub.c:4940 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5204 [inline]
 port_event drivers/usb/core/hub.c:5350 [inline]
 hub_event+0x1409/0x3590 drivers/usb/core/hub.c:5432
 process_one_work+0x905/0x1570 kernel/workqueue.c:2269
 worker_thread+0x96/0xe20 kernel/workqueue.c:2415
 kthread+0x30b/0x410 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

The buggy address belongs to the object at ffff8881af9d8000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 92 bytes inside of
 1024-byte region [ffff8881af9d8000, ffff8881af9d8400)
The buggy address belongs to the page:
page:ffffea0006be7600 refcount:1 mapcount:0 mapping:ffff8881dac02a00 index:0x0 compound_mapcount: 0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 dead000000000100 dead000000000200 ffff8881dac02a00
raw: 0000000000000000 00000000800e000e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881af9d7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8881af9d7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8881af9d8000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff8881af9d8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881af9d8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================