------------[ cut here ]------------
add_uevent_var: buffer size too small
WARNING: CPU: 0 PID: 5 at lib/kobject_uevent.c:671 add_uevent_var+0x2f4/0x390 lib/kobject_uevent.c:671
Modules linked in:
CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.15.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:add_uevent_var+0x2f4/0x390 lib/kobject_uevent.c:671
Code: e9 3e fe ff ff 48 c7 c7 80 d5 22 89 e8 6d 78 87 04 0f 0b 41 b8 f4 ff ff ff e9 31 ff ff ff 48 c7 c7 20 d6 22 89 e8 54 78 87 04 <0f> 0b 41 b8 f4 ff ff ff e9 18 ff ff ff 4c 89 f6 48 c7 c7 20 3f 45
RSP: 0018:ffffc90000ebf300 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff88801990a000 RCX: 0000000000000000
RDX: 0000000000000001 RSI: 0000000000000004 RDI: fffff520001d7e52
RBP: ffffc90000ebf3f0 R08: 0000000000000001 R09: ffff8880b9e1fa9b
R10: ffffed10173c3f53 R11: 000000005f646461 R12: 1ffff920001d7e63
R13: ffff88801990aa1c R14: 00000000000007de R15: 00000000000007de
FS:  0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557105de9dd7 CR3: 000000000a88e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 kobject_uevent_env+0xacc/0x1290 lib/kobject_uevent.c:605
 device_del+0x728/0xc20 drivers/base/core.c:3592
 input_unregister_device+0x7f/0xb0 drivers/input/input.c:2379
 hidinput_disconnect+0x13d/0x3d0 drivers/hid/hid-input.c:2038
 hid_disconnect+0xe4/0x150 drivers/hid/hid-core.c:2032
 hid_hw_stop+0xa/0x70 drivers/hid/hid-core.c:2079
 ms_remove+0xd/0x80 drivers/hid/hid-microsoft.c:409
 hid_device_remove+0xac/0x1c0 drivers/hid/hid-core.c:2316
 __device_release_driver+0x32f/0x660 drivers/base/dd.c:1203
 device_release_driver_internal drivers/base/dd.c:1236 [inline]
 device_release_driver+0x21/0x30 drivers/base/dd.c:1259
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x494/0xc20 drivers/base/core.c:3582
 hid_remove_device drivers/hid/hid-core.c:2485 [inline]
 hid_destroy_device+0xba/0x120 drivers/hid/hid-core.c:2504
 usbhid_disconnect+0x95/0xc0 drivers/hid/usbhid/hid-core.c:1451
 usb_unbind_interface+0x183/0x7e0 drivers/usb/core/driver.c:458
 __device_release_driver+0x523/0x660 drivers/base/dd.c:1205
 device_release_driver_internal drivers/base/dd.c:1236 [inline]
 device_release_driver+0x21/0x30 drivers/base/dd.c:1259
 bus_remove_device+0x295/0x550 drivers/base/bus.c:529
 device_del+0x494/0xc20 drivers/base/core.c:3582
 usb_disable_device+0x29c/0x660 drivers/usb/core/message.c:1419
 usb_disconnect.cold+0x209/0x67e drivers/usb/core/hub.c:2225
 hub_port_connect drivers/usb/core/hub.c:5199 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
 port_event drivers/usb/core/hub.c:5634 [inline]
 hub_event+0xb22/0x36c0 drivers/usb/core/hub.c:5716
 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297
 process_scheduled_works kernel/workqueue.c:2360 [inline]
 worker_thread+0x74b/0x1040 kernel/workqueue.c:2446
 kthread+0x38b/0x460 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295