rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 1, t=10502 jiffies, g=6425, q=213)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953879-4294943376), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.1  R  running task    27912  8186   8167 0x0000400a
Call Trace:
 <IRQ>
 sched_show_task+0x40f/0x560 kernel/sched/core.c:5954
 print_other_cpu_stall kernel/rcu/tree_stall.h:410 [inline]
 check_cpu_stall kernel/rcu/tree_stall.h:538 [inline]
 rcu_pending kernel/rcu/tree.c:2827 [inline]
 rcu_sched_clock_irq+0x1861/0x1ad0 kernel/rcu/tree.c:2271
 update_process_times+0x12d/0x180 kernel/time/timer.c:1726
 tick_sched_handle kernel/time/tick-sched.c:167 [inline]
 tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1310
 __run_hrtimer kernel/time/hrtimer.c:1514 [inline]
 __hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1576
 hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1638
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
 smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
 </IRQ>
RIP: 0010:mod_memcg_page_state+0x6/0x190 include/linux/memcontrol.h:652
Code: 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 55 48 89 e5 41 57 <41> 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 48 83 c3 38 48 89
RSP: 0018:ffffc90002a07aa0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffff11015064ad1 RBX: ffff8880a8325688 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00027d87c0
RBP: ffffc90002a07aa8 R08: 000000000003a768 R09: ffffed1012b722e7
R10: ffffed1012b722e7 R11: 0000000000000000 R12: ffff8880a8325720
R13: dffffc0000000000 R14: 1ffff11015064ae4 R15: ffff888095b91728
 free_thread_stack+0x168/0x590 kernel/fork.c:280
 release_task_stack kernel/fork.c:440 [inline]
 put_task_stack+0xa3/0x130 kernel/fork.c:451
 finish_task_switch+0x3f1/0x550 kernel/sched/core.c:3256
 context_switch kernel/sched/core.c:3388 [inline]
 __schedule+0x9a8/0xcc0 kernel/sched/core.c:4081
 preempt_schedule_irq+0xc1/0x140 kernel/sched/core.c:4338
 retint_kernel+0x1b/0x2b
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x0/0x80 kernel/kcov.c:197
Code: 4c f2 08 48 c1 e0 03 48 83 c8 18 49 89 14 02 4d 89 44 f2 18 49 ff c1 4d 89 0a c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 <4c> 8b 04 24 65 48 8b 14 25 c0 1d 02 00 65 8b 05 88 7d 8b 7e a9 00
RSP: 0000:ffffc90002a07d00 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff02
RAX: fff0000000000f98 RBX: fff0000000000f98 RCX: 0000000000000000
RDX: ffff8880a8f421c0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90002a07e38 R08: ffffffff81a367e3 R09: ffffc90002a07dc0
R10: fffff52000540fc1 R11: 0000000000000000 R12: 0400000000000000
R13: ffff88806c3fc000 R14: 1ffff92000540fb9 R15: 000000006c3fd067
 do_user_addr_fault+0x589/0xaf0 arch/x86/mm/fault.c:1441
 __do_page_fault+0xd3/0x1f0 arch/x86/mm/fault.c:1506
 do_page_fault+0x99/0xb0 arch/x86/mm/fault.c:1530
 page_fault+0x39/0x40 arch/x86/entry/entry_64.S:1203
RIP: 0033:0x40d827
Code: 8c 02 50 bf 75 00 48 83 c0 08 48 83 f8 48 75 e6 49 63 c6 0f b6 4c 24 5b 48 69 c0 a8 00 00 00 88 88 c0 bf 75 00 e8 99 59 ff ff <83> 05 d6 27 55 00 01 80 7c 24 59 00 74 0b f6 44 24 18 01 0f 84 e5
RSP: 002b:00007ffecd26df80 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 000000000045a679
RDX: 0000000000000000 RSI: 0000000000000081 RDI: 000000000075bf28
RBP: 000000000075bf2c R08: 00007f2c52f28700 R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf20
R13: 0000000000000003 R14: 0000000000000000 R15: 000000000075bf2c
rcu: rcu_preempt kthread starved for 10539 jiffies! g6425 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: RCU grace-period kthread stack dump:
rcu_preempt     R  running task    29040    10      2 0x80004000
Call Trace:
 context_switch kernel/sched/core.c:3385 [inline]
 __schedule+0x9a0/0xcc0 kernel/sched/core.c:4081
 schedule+0x181/0x210 kernel/sched/core.c:4155
 schedule_timeout+0x14f/0x240 kernel/time/timer.c:1895
 rcu_gp_fqs_loop kernel/rcu/tree.c:1661 [inline]
 rcu_gp_kthread+0xed8/0x1770 kernel/rcu/tree.c:1821
 kthread+0x332/0x350 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352