usb 1-1: USB disconnect, device number 10 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 0 PID: 6260 at lib/kobject_uevent.c:670 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 0 PID: 6260 Comm: kworker/0:3 Not tainted 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:670 sp : ffff8000a01f6c40 x29: ffff8000a01f6d60 x28: 000000000000000c x27: ffff70001403ed94 x26: dfff800000000000 x25: ffff0000c8aaaa10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0000c8aaa218 x20: ffff0000c8aaaa1c x19: ffff0000c8aaa000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367b8a02 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 27242cf8206f5000 x8 : 27242cf8206f5000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a01f63b8 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4fc/0x894 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:641 device_del+0x6a8/0x848 drivers/base/core.c:3927 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2390 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x22c/0x7ec drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x440/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1418 usb_disconnect+0x290/0x808 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1918/0x4280 drivers/usb/core/hub.c:5904 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 146796 hardirqs last enabled at (146795): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (146795): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (146795): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (146796): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (146052): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (146052): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] softirqs last enabled at (146052): [] nsim_dev_trap_report_work+0x620/0x924 drivers/net/netdevsim/dev.c:850 softirqs last disabled at (146050): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (146050): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:816 [inline] softirqs last disabled at (146050): [] nsim_dev_trap_report_work+0x59c/0x924 drivers/net/netdevsim/dev.c:850 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 11 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 microsoft 0003:045E:07DA.000A: unknown main item tag 0x0 HID 045e:07da: Invalid code 65791 type 1 input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.000A/input/input11 microsoft 0003:045E:07DA.000A: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 usb 1-1: USB disconnect, device number 11 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 0 PID: 6260 at lib/kobject_uevent.c:670 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 0 PID: 6260 Comm: kworker/0:3 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:670 sp : ffff8000a01f6c40 x29: ffff8000a01f6d60 x28: 000000000000000c x27: ffff70001403ed94 x26: dfff800000000000 x25: ffff0000caf54a10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0000caf54218 x20: ffff0000caf54a1c x19: ffff0000caf54000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367b8a02 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 27242cf8206f5000 x8 : 27242cf8206f5000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a01f63b8 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4fc/0x894 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:641 device_del+0x6a8/0x848 drivers/base/core.c:3927 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2390 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x22c/0x7ec drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x440/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1418 usb_disconnect+0x290/0x808 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1918/0x4280 drivers/usb/core/hub.c:5904 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 154772 hardirqs last enabled at (154771): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (154771): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (154771): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (154772): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (154096): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (154096): [] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] softirqs last enabled at (154096): [] wg_packet_encrypt_worker+0x10a0/0x1130 drivers/net/wireguard/send.c:293 softirqs last disabled at (154094): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (154094): [] ptr_ring_consume_bh include/linux/ptr_ring.h:365 [inline] softirqs last disabled at (154094): [] wg_packet_encrypt_worker+0xe58/0x1130 drivers/net/wireguard/send.c:293 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 12 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 microsoft 0003:045E:07DA.000B: unknown main item tag 0x0 HID 045e:07da: Invalid code 65791 type 1 input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.000B/input/input12 microsoft 0003:045E:07DA.000B: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 usb 1-1: USB disconnect, device number 12 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 0 PID: 6260 at lib/kobject_uevent.c:670 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 0 PID: 6260 Comm: kworker/0:3 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:670 sp : ffff8000a01f6c40 x29: ffff8000a01f6d60 x28: 000000000000000c x27: ffff70001403ed94 x26: dfff800000000000 x25: ffff0001ffaa6a10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0001ffaa6218 x20: ffff0001ffaa6a1c x19: ffff0001ffaa6000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367b8a02 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 27242cf8206f5000 x8 : 27242cf8206f5000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a01f63b8 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4fc/0x894 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:641 device_del+0x6a8/0x848 drivers/base/core.c:3927 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2390 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x22c/0x7ec drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x440/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1418 usb_disconnect+0x290/0x808 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1918/0x4280 drivers/usb/core/hub.c:5904 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 164080 hardirqs last enabled at (164079): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (164079): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (164079): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (164080): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (164050): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (164050): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (163883): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 13 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor?? microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 HID 045e:07da: Invalid code 65791 type 1 input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.000C/input/input13 microsoft 0003:045E:07DA.000C: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 usb 1-1: USB disconnect, device number 13 ------------[ cut here ]------------ add_uevent_var: buffer size too small WARNING: CPU: 0 PID: 6260 at lib/kobject_uevent.c:670 add_uevent_var+0x278/0x3c0 Modules linked in: CPU: 0 PID: 6260 Comm: kworker/0:3 Tainted: G W 6.9.0-rc7-syzkaller-00077-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: usb_hub_wq hub_event pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : add_uevent_var+0x278/0x3c0 lr : add_uevent_var+0x274/0x3c0 lib/kobject_uevent.c:670 sp : ffff8000a01f6c40 x29: ffff8000a01f6d60 x28: 000000000000000c x27: ffff70001403ed94 x26: dfff800000000000 x25: ffff0000ceaa6a10 x24: 000000000000000c x23: 00000000000007f4 x22: 000000000000000c x21: ffff0000ceaa6218 x20: ffff0000ceaa6a1c x19: ffff0000ceaa6000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008ae89e3c x15: 0000000000000001 x14: 1fffe000367b8a02 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 27242cf8206f5000 x8 : 27242cf8206f5000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a01f63b8 x4 : ffff80008ef95100 x3 : ffff8000805e61b0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 00000000fffffff4 Call trace: add_uevent_var+0x278/0x3c0 kobject_uevent_env+0x4fc/0x894 lib/kobject_uevent.c:588 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:641 device_del+0x6a8/0x848 drivers/base/core.c:3927 __input_unregister_device+0x454/0x5c0 drivers/input/input.c:2232 input_unregister_device+0xb0/0xfc drivers/input/input.c:2440 hidinput_disconnect+0x1fc/0x290 drivers/hid/hid-input.c:2390 hid_disconnect drivers/hid/hid-core.c:2280 [inline] hid_hw_stop+0x88/0x1cc drivers/hid/hid-core.c:2329 ms_remove+0x28/0x94 drivers/hid/hid-microsoft.c:409 hid_device_remove+0x1c8/0x2fc device_remove drivers/base/dd.c:566 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x3e4/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 hid_remove_device drivers/hid/hid-core.c:2867 [inline] hid_destroy_device+0x70/0x114 drivers/hid/hid-core.c:2887 usbhid_disconnect+0xa8/0xf0 drivers/hid/usbhid/hid-core.c:1456 usb_unbind_interface+0x22c/0x7ec drivers/usb/core/driver.c:461 device_remove drivers/base/dd.c:568 [inline] __device_release_driver drivers/base/dd.c:1270 [inline] device_release_driver_internal+0x440/0x6a0 drivers/base/dd.c:1293 device_release_driver+0x28/0x38 drivers/base/dd.c:1316 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574 device_del+0x480/0x848 drivers/base/core.c:3909 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1418 usb_disconnect+0x290/0x808 drivers/usb/core/hub.c:2305 hub_port_connect drivers/usb/core/hub.c:5362 [inline] hub_port_connect_change drivers/usb/core/hub.c:5662 [inline] port_event drivers/usb/core/hub.c:5822 [inline] hub_event+0x1918/0x4280 drivers/usb/core/hub.c:5904 process_one_work+0x7b8/0x15d4 kernel/workqueue.c:3267 process_scheduled_works kernel/workqueue.c:3348 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:3429 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 173590 hardirqs last enabled at (173589): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (173589): [] __console_unlock kernel/printk/printk.c:2731 [inline] hardirqs last enabled at (173589): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3050 hardirqs last disabled at (173590): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (172860): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (172860): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] softirqs last enabled at (172860): [] nsim_dev_trap_report_work+0x620/0x924 drivers/net/netdevsim/dev.c:850 softirqs last disabled at (172858): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (172858): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:816 [inline] softirqs last disabled at (172858): [] nsim_dev_trap_report_work+0x59c/0x924 drivers/net/netdevsim/dev.c:850 ---[ end trace 0000000000000000 ]--- usb 1-1: new high-speed USB device number 14 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 1-1: config 0 descriptor??