usb 1-1: Falling back to sysfs fallback for: ueagle-atm/eagleI.fw ------------[ cut here ]------------ !atomic_read(&kn->count) WARNING: fs/kernfs/dir.c:537 at kernfs_get+0x72/0x90 fs/kernfs/dir.c:537, CPU#1: kworker/1:3/5886 Modules linked in: CPU: 1 UID: 0 PID: 5886 Comm: kworker/1:3 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 Workqueue: events request_firmware_work_func RIP: 0010:kernfs_get+0x72/0x90 fs/kernfs/dir.c:537 Code: e8 13 25 56 ff 48 89 df be 04 00 00 00 e8 26 4e c0 ff f0 ff 03 eb 05 e8 fc 24 56 ff 5b 5d e9 05 06 4d 09 cc e8 ef 24 56 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 25 RSP: 0018:ffffc9000485f6c0 EFLAGS: 00010293 RAX: ffffffff826fd161 RBX: ffff888078c69b40 RCX: ffff888032789e80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888078c69b43 R09: 1ffff1100f18d368 R10: dffffc0000000000 R11: ffffed100f18d369 R12: ffff88807b0f3128 R13: 1ffff1100f61e626 R14: ffff88807b0f3130 R15: ffff88807b0f3118 FS: 0000000000000000(0000) GS:ffff888125102000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f55a5de82f8 CR3: 00000000791b6000 CR4: 00000000003526f0 Call Trace: sysfs_get include/linux/sysfs.h:802 [inline] create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x6be/0xd00 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:3232 [inline] get_device_parent+0x316/0x3a0 drivers/base/core.c:3283 device_add+0x2e1/0xb70 drivers/base/core.c:3613 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+0x949/0x1650 kernel/workqueue.c:3279 process_scheduled_works kernel/workqueue.c:3362 [inline] worker_thread+0xb46/0x1140 kernel/workqueue.c:3443 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245