ax88179_178a 6-1:0.35 eth2: Failed to write reg index 0x0002: -19
ax88179_178a 6-1:0.35 eth2: Failed to write reg index 0x0001: -19
ax88179_178a 6-1:0.35 eth2: Failed to write reg index 0x0002: -19
=====================================================
BUG: KMSAN: uninit-value in number+0x851/0x23d0 lib/vsprintf.c:490
 number+0x851/0x23d0 lib/vsprintf.c:490
 vsnprintf+0x1f0d/0x3650 lib/vsprintf.c:2871
 add_uevent_var+0x320/0x620 lib/kobject_uevent.c:665
 usb_if_uevent+0x5ee/0x750 drivers/usb/core/message.c:1837
 dev_uevent+0xba8/0xc60 drivers/base/core.c:2346
 kobject_uevent_env+0xcc6/0x1490 lib/kobject_uevent.c:557
 kobject_uevent+0x6f/0x80 lib/kobject_uevent.c:642
 __device_release_driver drivers/base/dd.c:1225 [inline]
 device_release_driver_internal+0xd08/0xe20 drivers/base/dd.c:1236
 device_release_driver+0x4b/0x60 drivers/base/dd.c:1259
 bus_remove_device+0x5d7/0x690 drivers/base/bus.c:529
 device_del+0xc02/0x1c00 drivers/base/core.c:3581
 usb_disable_device+0x5a5/0x9c0 drivers/usb/core/message.c:1419
 usb_disconnect+0x605/0xe90 drivers/usb/core/hub.c:2225
 hub_port_connect drivers/usb/core/hub.c:5197 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5643 [inline]
 hub_event+0x3ddc/0x8910 drivers/usb/core/hub.c:5725
 process_one_work+0xdb9/0x1820 kernel/workqueue.c:2298
 process_scheduled_works kernel/workqueue.c:2361 [inline]
 worker_thread+0x1735/0x21f0 kernel/workqueue.c:2447
 kthread+0x721/0x850 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30

Local variable barr created at:
 __flush_work+0x52/0x1160 kernel/workqueue.c:3070
 __cancel_work_timer+0x5e7/0x800 kernel/workqueue.c:3171

CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
=====================================================