usb 2-1: Falling back to sysfs fallback for: ueagle-atm/eagleI.fw ------------[ cut here ]------------ !atomic_read(&kn->count) WARNING: fs/kernfs/dir.c:560 at kernfs_get+0x72/0x90 fs/kernfs/dir.c:560, CPU#0: kworker/0:15/29477 Modules linked in: CPU: 0 UID: 0 PID: 29477 Comm: kworker/0:15 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: events request_firmware_work_func RIP: 0010:kernfs_get+0x72/0x90 fs/kernfs/dir.c:560 Code: e8 03 9f 52 ff 48 89 df be 04 00 00 00 e8 36 26 c0 ff f0 ff 03 eb 05 e8 ec 9e 52 ff 5b 5d e9 c5 42 43 09 cc e8 df 9e 52 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 35 RSP: 0018:ffffc9000598f6b0 EFLAGS: 00010293 RAX: ffffffff8273d2a1 RBX: ffff888086240960 RCX: ffff888030bc5d00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888086240963 R09: 1ffff11010c4812c R10: dffffc0000000000 R11: ffffed1010c4812d R12: 1ffff1100ad1fb75 R13: 1ffff1100ad1fb76 R14: ffff8880568fdbb0 R15: ffff8880568fdba8 FS: 0000000000000000(0000) GS:ffff888125223000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000010 CR3: 000000003c902000 CR4: 00000000003526f0 Call Trace: sysfs_get include/linux/sysfs.h:802 [inline] create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x6b9/0xcd0 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:3300 [inline] get_device_parent+0x316/0x3a0 drivers/base/core.c:3351 device_add+0x2d4/0xb80 drivers/base/core.c:3681 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+0x2dd/0xa40 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0x1049/0x1780 drivers/base/firmware_loader/main.c:898 request_firmware_work_func+0xac/0x2d0 drivers/base/firmware_loader/main.c:1162 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 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