sysfs group 'power' not found for kobject 'ueagle-atm!eagleII.fw' WARNING: CPU: 0 PID: 7 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 Modules linked in: CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 5.15.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 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:279 lr : sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 sp : ffff8000188e77e0 x29: ffff8000188e77e0 x28: 1fffe0001811f6d4 x27: dfff800000000000 x26: ffff8000188e78a0 x25: 1fffe0001913040a x24: 1ffff000024ee8f4 x23: dfff800000000000 x22: ffff0000c8982068 x21: ffff0000c8982008 x20: ffff0000c17199f8 x19: ffff800012774780 x18: 0000000000000001 x17: 77662e4949656c67 x16: ffff80001195d83c x15: 6c67616575272074 x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000000000 x11: ff8080000832d958 x10: 0000000000000000 x9 : 6d4c8c94965e3400 x8 : 6d4c8c94965e3400 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000854e4f0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000041 Call trace: sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279 dpm_sysfs_remove+0xa4/0xd4 drivers/base/power/sysfs.c:837 device_del+0x268/0x9b4 drivers/base/core.c:3559 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:545 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:583 [inline] firmware_fallback_sysfs+0x7ec/0xae8 drivers/base/firmware_loader/fallback.c:659 _request_firmware+0x830/0xee4 drivers/base/firmware_loader/main.c:848 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1097 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:319 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 92110 hardirqs last enabled at (92109): [] console_unlock+0xc7c/0x1394 kernel/printk/printk.c:2738 hardirqs last disabled at (92110): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387 softirqs last enabled at (91964): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (91964): [] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587 softirqs last disabled at (91949): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (91949): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (91949): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 ---[ end trace 314e2548125e8a6d ]--- usb 1-1: [UEAGLE-ATM] firmware is not available 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: 32 usb 1-1: config 0 has an invalid interface association descriptor of length 2, skipping usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xB has invalid maxpacket 1023, setting to 64 usb 1-1: config 0 interface 0 altsetting 0 endpoint 0xF has invalid wMaxPacketSize 0 usb 1-1: New USB device found, idVendor=1110, idProduct=9022, bcdDevice=88.6f 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 (0X1110) pid (0X9022) Rev (0X886F): Eagle II 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: Using ep0 maxpacket: 32 usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware usb 1-1: [ueagle-atm] loading firmware ueagle-atm/eagleII.fw