------------[ cut here ]------------ WARNING: CPU: 1 PID: 978 at fs/kernfs/dir.c:526 kernfs_get+0x71/0x90 fs/kernfs/dir.c:526 Modules linked in: CPU: 1 UID: 0 PID: 978 Comm: kworker/1:2 Not tainted 6.13.0-rc1-syzkaller-00001-ge70140ba0d2b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events request_firmware_work_func RIP: 0010:kernfs_get+0x71/0x90 fs/kernfs/dir.c:526 Code: 23 e8 43 10 57 ff 48 89 df be 04 00 00 00 e8 a6 fa c1 ff f0 ff 03 eb 05 e8 2c 10 57 ff 5b 5d c3 cc cc cc cc e8 20 10 57 ff 90 <0f> 0b 90 eb d7 89 d9 80 e1 07 80 c1 03 38 c1 7c b7 48 89 df e8 a6 RSP: 0018:ffffc90003a8f6e8 EFLAGS: 00010293 RAX: ffffffff82486200 RBX: ffff88805d0b6d20 RCX: ffff888026319e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff824861d4 R09: 1ffff1100ba16da4 R10: dffffc0000000000 R11: ffffed100ba16da5 R12: dffffc0000000000 R13: 1ffff92000751ef8 R14: ffffffff8c8583e0 R15: 1ffff92000751efa FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe22839ad58 CR3: 000000006a018000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: internal_create_group+0x58a/0x12d0 fs/sysfs/group.c:182 dpm_sysfs_add+0x69/0x280 drivers/base/power/sysfs.c:703 device_add+0x5bc/0xbf0 drivers/base/core.c:3625 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:86 [inline] fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:162 [inline] firmware_fallback_sysfs+0x307/0x9e0 drivers/base/firmware_loader/fallback.c:238 _request_firmware+0xdf7/0x13b0 drivers/base/firmware_loader/main.c:941 request_firmware_work_func+0x12a/0x280 drivers/base/firmware_loader/main.c:1194 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244