WARNING: CPU: 1 PID: 2961 at fs/sysfs/group.c:280 sysfs_remove_group+0x179/0x2a0 fs/sysfs/group.c:278 Modules linked in: CPU: 1 PID: 2961 Comm: kworker/1:2 Not tainted 6.1.37-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 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 ba 43 c8 ff 49 8b 14 24 48 c7 c7 a0 17 fc 8a 4c 89 f6 e8 c7 4c 3a ff <0f> 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d1 dd 71 ff RSP: 0018:ffffc9000bd5f820 EFLAGS: 00010246 RAX: b4a65ceb03ea3100 RBX: ffff8880187a0038 RCX: ffff88807ec5bb80 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: dffffc0000000000 R08: ffffffff81524cae R09: fffffbfff205184d R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880187a0008 R13: 1ffffffff16bfff8 R14: ffffffff8b5fffa0 R15: ffff888015291488 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe6e43afa0 CR3: 0000000022ea2000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x2f1/0xbd0 drivers/base/core.c:3829 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+0x8aa/0x11f0 kernel/workqueue.c:2289 worker_thread+0xa5f/0x1210 kernel/workqueue.c:2436 kthread+0x26e/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306