------------[ cut here ]------------
WARNING: CPU: 1 PID: 6014 at fs/kernfs/dir.c:537 kernfs_get.part.0+0x6e/0x80 fs/kernfs/dir.c:537
Modules linked in:
CPU: 1 UID: 0 PID: 6014 Comm: kworker/1:3 Not tainted 6.16.0-rc4-syzkaller-00308-ga79a588fc176 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: events request_firmware_work_func
RIP: 0010:kernfs_get.part.0+0x6e/0x80 fs/kernfs/dir.c:537
Code: 78 b8 5a ff 85 ed 74 1c e8 2f bd 5a ff be 04 00 00 00 48 89 df e8 f2 a0 c1 ff f0 ff 03 5b 5d c3 cc cc cc cc e8 13 bd 5a ff 90 <0f> 0b 90 eb d9 48 89 df e8 d5 98 c1 ff eb c0 0f 1f 00 90 90 90 90
RSP: 0018:ffffc90003e07790 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88805e8eeb40 RCX: ffffffff82616348
RDX: ffff88802634c880 RSI: ffffffff8261636d RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888031b930b0
R13: ffff88802708e8b0 R14: 0000000000000000 R15: ffff88802708e8a8
FS:  0000000000000000(0000) GS:ffff8880d6815000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005592d8a54db0 CR3: 0000000033246000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 kernfs_get+0x1f/0x30 fs/kernfs/dir.c:536
 sysfs_get include/linux/sysfs.h:799 [inline]
 create_dir lib/kobject.c:89 [inline]
 kobject_add_internal+0x353/0x9b0 lib/kobject.c:240
 kobject_add_varg lib/kobject.c:374 [inline]
 kobject_add+0x16e/0x240 lib/kobject.c:426
 class_dir_create_and_add drivers/base/core.c:3235 [inline]
 get_device_parent+0x399/0x4e0 drivers/base/core.c:3286
 device_add+0x1ad/0x1a70 drivers/base/core.c:3616
 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+0x2ec/0xbe0 drivers/base/firmware_loader/fallback.c:238
 _request_firmware+0xfe9/0x1470 drivers/base/firmware_loader/main.c:915
 request_firmware_work_func+0xea/0x250 drivers/base/firmware_loader/main.c:1168
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>