usb 4-1: Direct firmware load for ueagle-atm/adi930.fw failed with error -2
usb 4-1: Falling back to sysfs fallback for: ueagle-atm/adi930.fw
------------[ cut here ]------------
!atomic_read(&kn->count)
WARNING: fs/kernfs/dir.c:560 at kernfs_get fs/kernfs/dir.c:560 [inline], CPU#1: kworker/1:0/32
WARNING: fs/kernfs/dir.c:560 at kernfs_new_node+0x1b5/0x210 fs/kernfs/dir.c:751, CPU#1: kworker/1:0/32
Modules linked in:
CPU: 1 UID: 0 PID: 32 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: events request_firmware_work_func
RIP: 0010:kernfs_get fs/kernfs/dir.c:560 [inline]
RIP: 0010:kernfs_new_node+0x1b5/0x210 fs/kernfs/dir.c:751
Code: 74 08 4c 89 ff e8 9b e7 c5 ff 49 89 1f 4c 89 f0 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d e9 42 22 de 08 cc e8 bc 6d 5c ff 90 <0f> 0b 90 eb 97 89 e9 80 e1 07 fe c1 38 c1 0f 8c 85 fe ff ff 48 89
RSP: 0018:ffffc90000a6f598 EFLAGS: 00010293
RAX: ffffffff82689764 RBX: ffff888045676000 RCX: ffff88801e6a5c40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1008acec01 R12: 00000000000041ed
R13: 0000000000000000 R14: ffff888035b004b0 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff888125b5b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc11795058 CR3: 0000000042408000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kernfs_create_dir_ns+0x44/0x130 fs/kernfs/dir.c:1121
 sysfs_create_dir_ns+0x12f/0x2a0 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:73 [inline]
 kobject_add_internal+0x631/0xd10 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_add+0x163/0x240 lib/kobject.c:426
 class_dir_create_and_add drivers/base/core.c:3234 [inline]
 get_device_parent+0x31d/0x3a0 drivers/base/core.c:3285
 device_add+0x2e1/0xbb0 drivers/base/core.c:3615
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:86 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline]
 firmware_fallback_sysfs+0x2e4/0xa30 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0x1052/0x1780 drivers/base/firmware_loader/main.c:898
 request_firmware_work_func+0xaf/0x1c0 drivers/base/firmware_loader/main.c:1150
 process_one_work+0x9a3/0x1710 kernel/workqueue.c:3312
 process_scheduled_works kernel/workqueue.c:3403 [inline]
 worker_thread+0xba8/0x11e0 kernel/workqueue.c:3489
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>