WARNING: CPU: 1 PID: 5012 at fs/sysfs/group.c:280 sysfs_remove_group+0x17d/0x2a0 fs/sysfs/group.c:278 Modules linked in: CPU: 1 PID: 5012 Comm: kworker/1:3 Not tainted 6.4.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Workqueue: events request_firmware_work_func RIP: 0010:sysfs_remove_group+0x17d/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 a6 cc c6 ff 49 8b 14 24 48 c7 c7 e0 e2 f9 8a 4c 89 f6 e8 53 7d 36 ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 cd fa 6e ff RSP: 0018:ffffc9000439f820 EFLAGS: 00010246 RAX: 38dafa9e16b43e00 RBX: ffff8880280a4038 RCX: ffff888024fd8000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff815301a2 R09: fffffbfff2065055 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880280a4008 R13: 1ffffffff16b65fc R14: ffffffff8b5b2fc0 R15: ffff888028fe42b8 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff238a37110 CR3: 000000002ad0e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x272/0x9c0 drivers/base/core.c:3789 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+0x68a/0x950 drivers/base/firmware_loader/fallback.c:234 _request_firmware+0xc97/0x1280 drivers/base/firmware_loader/main.c:909 request_firmware_work_func+0x12a/0x270 drivers/base/firmware_loader/main.c:1160 process_one_work+0x8a0/0x10e0 kernel/workqueue.c:2405 worker_thread+0xa63/0x1210 kernel/workqueue.c:2552 kthread+0x2b8/0x350 kernel/kthread.c:379 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308