usb 5-1: Falling back to sysfs fallback for: ueagle-atm/eagleII.fw ------------[ cut here ]------------ WARNING: CPU: 0 PID: 863 at fs/kernfs/dir.c:537 kernfs_get+0x72/0x90 fs/kernfs/dir.c:537 Modules linked in: CPU: 0 UID: 0 PID: 863 Comm: kworker/0:2 Not tainted 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 53 5e 62 ff 48 89 df be 04 00 00 00 e8 46 cd c5 ff f0 ff 03 eb 05 e8 3c 5e 62 ff 5b 5d e9 d5 3d 1f 09 cc e8 2f 5e 62 ff 90 <0f> 0b 90 eb d6 89 d9 80 e1 07 80 c1 03 38 c1 7c b6 48 89 df e8 45 RSP: 0018:ffffc90003507620 EFLAGS: 00010293 RAX: ffffffff825d4d51 RBX: ffff888056469780 RCX: ffff888024da1e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffff888056469783 R09: 1ffff1100ac8d2f0 R10: dffffc0000000000 R11: ffffed100ac8d2f1 R12: ffff8880559cf030 R13: 1ffff1100ab39e07 R14: ffff8880559cf038 R15: 1ffff1100ab39e06 FS: 0000000000000000(0000) GS:ffff888125c1b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c284e87 CR3: 0000000076d0c000 CR4: 00000000003526f0 DR0: 0000000000000007 DR1: 0000000000000002 DR2: 0000000000000008 DR3: 1000000100000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 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 device_add+0x408/0xb50 drivers/base/core.c:3627 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+0xae1/0x17b0 kernel/workqueue.c:3319 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400 kthread+0x70e/0x8a0 kernel/kthread.c:463 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245