WARNING: CPU: 1 PID: 4133 at fs/sysfs/group.c:281 sysfs_remove_group+0x174/0x288 fs/sysfs/group.c:279
Modules linked in:
CPU: 1 PID: 4133 Comm: kworker/1:7 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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 : ffff80001ff777e0
x29: ffff80001ff777e0
 x28: 1fffe0001ae0da3c x27: dfff800000000000
x26: ffff80001ff778a0 x25: 1fffe0001ae8d60a x24: 1ffff00002532204
x23: dfff800000000000 x22: ffff0000d746b068 x21: ffff0000d746b008
x20: ffff0000d670dd98 x19: ffff800012991000 x18: 1fffe0003683298e
x17: 1fffe0003683298e x16: ffff800011b5ac80 x15: ffff800014c0f2a0
x14: 1ffff0000296e06c x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000000000 x10: 0000000000000000 x9 : e15fe7d1b855b100
x8 : e15fe7d1b855b100 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000aa1313c
x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000040
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:3577
 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+0x950/0x1050 drivers/base/firmware_loader/main.c:876
 request_firmware_work_func+0xfc/0x214 drivers/base/firmware_loader/main.c:1127
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 33984
hardirqs last  enabled at (33983): [<ffff80000826b288>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline]
hardirqs last  enabled at (33983): [<ffff80000826b288>] finish_lock_switch+0xbc/0x1e8 kernel/sched/core.c:4783
hardirqs last disabled at (33984): [<ffff800011b56334>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (33978): [<ffff8000081b70b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (33978): [<ffff8000081b70b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (33935): [<ffff8000081b7750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (33935): [<ffff8000081b7750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (33935): [<ffff8000081b7750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (33935): [<ffff8000081b7750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace c8b6ddbc387ab1da ]---
usb 1-1: [UEAGLE-ATM] firmware is not available
usb 1-1: USB disconnect, device number 22
usb 1-1: new high-speed USB device number 23 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 23 using dummy_hcd
usb 1-1: device descriptor read/64, error -71
usb 1-1: reset high-speed USB device number 23 using dummy_hcd
usb 1-1: [ueagle-atm] pre-firmware device, uploading firmware
usb 1-1: [ueagle-atm] loading firmware ueagle-atm/adi930.fw