syzbot

WARNING: CPU: 1 PID: 2535 at fs/sysfs/group.c:280 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Modules linked in:
CPU: 1 PID: 2535 Comm: kworker/1:2 Not tainted 6.1.87-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events request_firmware_work_func
RIP: 0010:sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278
Code: 8b 36 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 3a 0c c8 ff 49 8b 14 24 48 c7 c7 e0 5d fc 8a 4c 89 f6 e8 a7 91 38 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d1 94 70 ff
RSP: 0018:ffffc9000b95f820 EFLAGS: 00010246
RAX: fb9ddd5df0c2b000 RBX: ffff88807b878038 RCX: ffff888027ad1dc0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81528eae R09: fffffbfff209344d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807b878008
R13: 1ffffffff16c14f4 R14: ffffffff8b60a780 R15: ffff888014a9b488
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa571e6b128 CR3: 0000000023659000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_del+0x2f1/0xbd0 drivers/base/core.c:3851
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:120 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline]
 firmware_fallback_sysfs+0x686/0x940 drivers/base/firmware_loader/fallback.c:234
 _request_firmware+0xc13/0x1200 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0x126/0x270 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>