sysfs group 'power' not found for kobject 'ueagle-atm!adi930.fw' WARNING: CPU: 1 PID: 1783 at fs/sysfs/group.c:284 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:282 Modules linked in: CPU: 1 PID: 1783 Comm: kworker/1:2 Tainted: G B 6.8.0-rc5-syzkaller-g9abbc24128bc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 Workqueue: events request_firmware_work_func pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:282 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:282 sp : ffff80009b2476a0 x29: ffff80009b2476a0 x28: ffff0000d9e4c008 x27: 1ffff00013648eec x26: ffff0000da9b10a8 x25: ffff80009b247760 x24: 1ffff000118200fc x23: dfff800000000000 x22: ffff0000d9e4c050 x21: ffff0000d9e4c008 x20: ffff0000d6338aa8 x19: ffff80008c1007c0 x18: 1fffe00036804796 x17: 0000000000000000 x16: ffff80008ad5a610 x15: 0000000000000001 x14: 1fffe00036806fe8 x13: 0000000000000000 x12: 0000000000000000 x11: ffff80009b23ffff x10: 0000000000ff0100 x9 : a651a21a69158700 x8 : a651a21a69158700 x7 : 0000000000000000 x6 : ffff800080297af0 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000cbbf8000 x1 : 0000000000000000 x0 : ffff800080297b90 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:282 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x21c/0x87c drivers/base/core.c:3803 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:124 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline] firmware_fallback_sysfs+0x368/0x918 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xcf8/0xf70 drivers/base/firmware_loader/main.c:910 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1161 process_one_work+0x694/0x1204 kernel/workqueue.c:2633 process_scheduled_works kernel/workqueue.c:2706 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2787 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 71454 hardirqs last enabled at (71453): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (71453): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (71454): [] __schedule+0x2bc/0x24b4 kernel/sched/core.c:6625 softirqs last enabled at (55986): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (55986): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (55977): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- usb 1-1: [UEAGLE-ATM] firmware is not available usb 1-1: USB disconnect, device number 28 usb 1-1: new high-speed USB device number 29 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 1-1: New USB device found, idVendor=05cc, idProduct=3352, bcdDevice=44.94 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? usb 1-1: [ueagle-atm] ADSL device founded vid (0X5CC) pid (0X3352) Rev (0X4494): ADI930 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 29 using dummy_hcd usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw usb 1-1: USB disconnect, device number 30 usb 1-1: new high-speed USB device number 31 using dummy_hcd usb 1-1: Using ep0 maxpacket: 16 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 interface 0 altsetting 0 has an invalid endpoint with address 0x0, skipping usb 1-1: New USB device found, idVendor=05cc, idProduct=3352, bcdDevice=44.94 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: syz usb 1-1: Manufacturer: syz usb 1-1: SerialNumber: syz usb 1-1: config 0 descriptor?? usb 1-1: [ueagle-atm] ADSL device founded vid (0X5CC) pid (0X3352) Rev (0X4494): ADI930 usb 1-1: reset high-speed USB device number 31 using dummy_hcd usb 1-1: device descriptor read/64, error -71 usb 1-1: reset high-speed USB device number 31 using dummy_hcd usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw