usb 7-1: Direct firmware load for ueagle-atm/eagleI.fw failed with error -2 usb 7-1: 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.part.0+0x6e/0x80 fs/kernfs/dir.c:537, CPU#2: kworker/2:4/7281 Modules linked in: CPU: 2 UID: 0 PID: 7281 Comm: kworker/2:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events request_firmware_work_func RIP: 0010:kernfs_get.part.0+0x6e/0x80 fs/kernfs/dir.c:537 Code: f8 93 51 ff 85 ed 74 1c e8 3f 99 51 ff be 04 00 00 00 48 89 df e8 92 07 bd ff f0 ff 03 5b 5d e9 88 89 d9 08 e8 23 99 51 ff 90 <0f> 0b 90 eb d9 48 89 df e8 a5 01 bd ff eb c0 0f 1f 00 90 90 90 90 RSP: 0018:ffffc9000e277798 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88804ae37f00 RCX: ffffffff82b661f8 RDX: ffff888023162480 RSI: ffffffff82b6621d RDI: ffff888023162480 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888056d6e5b0 R14: 0000000000000000 R15: ffff888056d6e5a8 FS: 0000000000000000(0000) GS:ffff888097351000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff40037e08d CR3: 000000004dc9c000 CR4: 0000000000352ef0 Call Trace: kernfs_get+0x1f/0x30 fs/kernfs/dir.c:536 sysfs_get include/linux/sysfs.h:802 [inline] create_dir lib/kobject.c:89 [inline] kobject_add_internal+0x359/0x930 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x16a/0x1e0 lib/kobject.c:426 class_dir_create_and_add drivers/base/core.c:3232 [inline] get_device_parent+0x382/0x4c0 drivers/base/core.c:3283 device_add+0x1ad/0x1950 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+0x2e2/0xc20 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xfd7/0x13c0 drivers/base/firmware_loader/main.c:898 request_firmware_work_func+0xea/0x250 drivers/base/firmware_loader/main.c:1150 process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275 process_scheduled_works kernel/workqueue.c:3358 [inline] worker_thread+0x5da/0xe40 kernel/workqueue.c:3439 kthread+0x370/0x450 kernel/kthread.c:467 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245