WARNING: CPU: 0 PID: 14 at fs/sysfs/group.c:280 sysfs_remove_group+0x183/0x2b0 fs/sysfs/group.c:278 Modules linked in: CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.0-syzkaller-14446-g8395ae05cb5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: events request_firmware_work_func RIP: 0010:sysfs_remove_group+0x183/0x2b0 fs/sysfs/group.c:278 Code: 4c 89 e0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 e7 e8 62 f5 c5 ff 49 8b 14 24 48 c7 c7 a0 d1 20 8b 4c 89 f6 31 c0 e8 bd 95 35 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 a7 42 6f ff RSP: 0018:ffffc90000137880 EFLAGS: 00010246 RAX: 1229d119297fca00 RBX: ffff88801c5f3038 RCX: ffff888012a39d40 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff81709fad R09: ffffed1017304f5b R10: ffffed1017304f5b R11: 1ffff11017304f5a R12: ffff88801c5f3008 R13: 1ffffffff17235d4 R14: ffffffff8b91ae80 R15: ffff88801e98de80 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020165030 CR3: 00000000810d2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x2ed/0xbe0 drivers/base/core.c:3643 fw_load_sysfs_fallback+0x453/0x5e0 drivers/base/firmware_loader/fallback.c:120 fw_load_from_user_helper+0x12d/0x1f0 drivers/base/firmware_loader/fallback.c:158 _request_firmware+0x44b/0x6a0 drivers/base/firmware_loader/main.c:856 request_firmware_work_func+0x125/0x270 drivers/base/firmware_loader/main.c:1105 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308