WARNING: CPU: 0 PID: 140 at fs/sysfs/group.c:280 sysfs_remove_group+0x16e/0x280 fs/sysfs/group.c:278 Modules linked in: CPU: 0 PID: 140 Comm: kworker/0:2 Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events request_firmware_work_func RIP: 0010:sysfs_remove_group+0x16e/0x280 fs/sysfs/group.c:278 Code: 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 37 b8 c5 ff 49 8b 14 24 48 c7 c7 20 2c 84 8a 4c 89 f6 31 c0 e8 12 ca 43 ff <0f> 0b 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d0 2a 7a ff 49 8d 5e 20 RSP: 0018:ffffc900027bf8a8 EFLAGS: 00010246 RAX: fe41162781e2f700 RBX: ffff8880222dd038 RCX: ffff888018d51d00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffffffff15e673c R08: ffffffff816b0a52 R09: ffffed1017344f24 R10: ffffed1017344f24 R11: 0000000000000000 R12: ffff8880222dd008 R13: dffffc0000000000 R14: ffffffff8af339a0 R15: ffff8881443d0740 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31b15e301d CR3: 000000001f4f1000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: device_del+0x2ed/0xbf0 drivers/base/core.c:3569 fw_load_sysfs_fallback+0x5e2/0x7d0 drivers/base/firmware_loader/fallback.c:545 fw_load_from_user_helper+0x242/0x320 drivers/base/firmware_loader/fallback.c:583 _request_firmware+0x3b9/0x670 drivers/base/firmware_loader/main.c:774 request_firmware_work_func+0x128/0x270 drivers/base/firmware_loader/main.c:1020 process_one_work+0x850/0x1130 kernel/workqueue.c:2307 worker_thread+0xab1/0x1300 kernel/workqueue.c:2454 kthread+0x2a3/0x2d0 kernel/kthread.c:377 ret_from_fork+0x1f/0x30