syzbot

------------[ cut here ]------------
WARNING: CPU: 1 PID: 7043 at kernel/cgroup/rstat.c:305 css_rstat_updated_list kernel/cgroup/rstat.c:305 [inline]
WARNING: CPU: 1 PID: 7043 at kernel/cgroup/rstat.c:305 css_rstat_flush+0x6d0/0x1890 kernel/cgroup/rstat.c:415
Modules linked in:
CPU: 1 UID: 0 PID: 7043 Comm: kworker/1:13 Not tainted 6.17.0-rc2-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Workqueue: cgroup_destroy css_free_rwork_fn
RIP: 0010:css_rstat_updated_list kernel/cgroup/rstat.c:305 [inline]
RIP: 0010:css_rstat_flush+0x6d0/0x1890 kernel/cgroup/rstat.c:415
Code: ff df 80 3c 08 00 74 08 4c 89 ff e8 da 7e 6a 00 4d 8b 27 4c 3b 64 24 20 74 24 e8 7b 15 07 00 e9 77 ff ff ff e8 71 15 07 00 90 <0f> 0b 90 eb be e8 66 15 07 00 4c 8b 74 24 20 e9 c5 10 00 00 e8 57
RSP: 0018:ffffc90004cd7848 EFLAGS: 00010093
RAX: ffffffff81b8950f RBX: ffff888079aeb400 RCX: ffff88807b360000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b8640fb8
RBP: ffffffff8dbded10 R08: ffffc90004cd77c7 R09: 1ffff9200099aef8
R10: dffffc0000000000 R11: fffff5200099aef9 R12: ffff888079aeb400
R13: 1ffff11024b83601 R14: ffff888125c1b008 R15: ffffe8ffffc45c88
FS:  0000000000000000(0000) GS:ffff888125d1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558bfc75c8 CR3: 0000000044266000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 css_rstat_exit+0xa9/0x320 kernel/cgroup/rstat.c:482
 css_free_rwork_fn+0x90/0xb80 kernel/cgroup/cgroup.c:5454
 process_one_work kernel/workqueue.c:3236 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3319
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>