usb 5-1: Falling back to sysfs fallback for: ueagle-atm/eagleII.fw ------------[ cut here ]------------ WARNING: fs/kernfs/dir.c:537 at kernfs_get+0x72/0x90 fs/kernfs/dir.c:537, CPU#1: kworker/1:3/5862 Modules linked in: CPU: 1 UID: 0 PID: 5862 Comm: kworker/1:3 Not tainted 6.16.0-next-20250731-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 Workqueue: events request_firmware_work_func RIP: 0010:kernfs_get+0x72/0x90 fs/kernfs/dir.c:537 Code: e8 c3 7c 62 ff 48 89 df be 04 00 00 00 e8 56 de c5 ff f0 ff 03 eb 05 e8 ac 7c 62 ff 5b 5d e9 05 d6 1c 09 cc e8 9f 7c 62 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 55 RSP: 0000:ffffc9000426f5e0 EFLAGS: 00010293 RAX: ffffffff825d36a1 RBX: ffff888065f9ce10 RCX: ffff888034279e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888065f9ce13 R09: 1ffff1100cbf39c2 R10: dffffc0000000000 R11: ffffed100cbf39c3 R12: ffff88803316aca8 R13: 1ffff1100662d596 R14: ffff88803316acb0 R15: 1ffff1100662d595 FS: 0000000000000000(0000) GS:ffff888125d43000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9732eed680 CR3: 00000000588aa000 CR4: 00000000003526f0 Call Trace: sysfs_get include/linux/sysfs.h:799 [inline] create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x632/0xb40 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x155/0x220 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+0x2e1/0xb50 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+0x2e4/0x9b0 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xf83/0x15b0 drivers/base/firmware_loader/main.c:906 request_firmware_work_func+0xaf/0x1c0 drivers/base/firmware_loader/main.c:1159 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245