rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-...!: (10498 ticks this GP) idle=6d3/1/0x4000000000000000 softirq=7473/7473 fqs=11 
	(t=10500 jiffies g=7793 q=163)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10418 jiffies! g7793 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=4211
rcu: rcu_preempt kthread starved for 10419 jiffies! g7793 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:I stack:26752 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x12c4/0x45b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x2bf/0x1080 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0xa4/0x360 kernel/rcu/tree.c:2145
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4142 Comm: syz-executor.3 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:rb_next+0x2/0xe0 lib/rbtree.c:493
Code: 8d 58 08 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 e3 48 89 df e8 af 21 9d fd eb d9 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 41 57 <41> 56 41 54 53 49 89 fc 49 bf 00 00 00 00 00 fc ff df 48 89 f8 48
RSP: 0018:ffffc900048ef668 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 1ffff11017347489 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: ffff88807c3a3c40 RDI: ffff88807c3a3c50
RBP: ffff8880b9a3a400 R08: dffffc0000000000 R09: ffffed10280ee401
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c3a3c40
R13: ffff8880b9a3a448 R14: dffffc0000000000 R15: ffff88807c3a3c50
FS:  00007ff8502946c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f76dbe77d58 CR3: 000000001b00f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 rb_erase_cached include/linux/rbtree.h:124 [inline]
 __dequeue_entity kernel/sched/fair.c:585 [inline]
 set_next_entity+0x27b/0x580 kernel/sched/fair.c:4678
 pick_next_task_fair+0x5a7/0x9c0 kernel/sched/fair.c:7581
 __pick_next_task kernel/sched/core.c:5667 [inline]
 pick_next_task kernel/sched/core.c:5758 [inline]
 __schedule+0x8de/0x45b0 kernel/sched/core.c:6340
 schedule+0x11b/0x1f0 kernel/sched/core.c:6459
 freezable_schedule include/linux/freezer.h:172 [inline]
 futex_wait_queue_me+0x25b/0x480 kernel/futex/core.c:2863
 futex_wait+0x2f8/0x740 kernel/futex/core.c:2964
 do_futex+0x1414/0x1810 kernel/futex/core.c:3982
 __do_sys_futex kernel/futex/core.c:4059 [inline]
 __se_sys_futex+0x407/0x490 kernel/futex/core.c:4040
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff85173bf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff850294178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007ff851873058 RCX: 00007ff85173bf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007ff851873058
RBP: 00007ff851873050 R08: 00007ff8502946c0 R09: 00007ff8502946c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff85187305c
R13: 000000000000006e R14: 00007fff53e97f80 R15: 00007fff53e98068
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 4067 Comm: kworker/1:15 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Workqueue:  0x0 (wg-crypt-wg0)
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline]
 rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:349
 print_cpu_stall+0x320/0x600 kernel/rcu/tree_stall.h:633
 check_cpu_stall kernel/rcu/tree_stall.h:727 [inline]
 rcu_pending kernel/rcu/tree.c:3932 [inline]
 rcu_sched_clock_irq+0x8d9/0x1150 kernel/rcu/tree.c:2619
 update_process_times+0x196/0x200 kernel/time/timer.c:1818
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x386/0x550 kernel/time/tick-sched.c:1473
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4785
Code: 45 31 c9 68 b7 90 59 81 e8 cc 1a 09 00 48 83 c4 08 4c 89 ff e8 60 da fe ff 66 90 4c 89 ff e8 f6 da cd 08 e8 d1 4b 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87
RSP: 0018:ffffc900045f79b8 EFLAGS: 00000282
RAX: e014d421a1cc2e00 RBX: ffff888018cd9df4 RCX: ffffffff913eff03
RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: ffffffff8ad8f6c0
RBP: ffffc900045f7a30 R08: ffffffff8186dcf0 R09: ffffed1017367469
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff11017367613 R14: ffff8880b9b3b098 R15: ffff8880b9b3a340
 finish_task_switch+0x134/0x630 kernel/sched/core.c:4902
 context_switch kernel/sched/core.c:5033 [inline]
 __schedule+0x12cc/0x45b0 kernel/sched/core.c:6376
 preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6780
 irqentry_exit+0x53/0x80 kernel/entry/common.c:432
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_count_add+0x2/0x180 kernel/sched/core.c:5480
Code: 0c 24 80 e1 07 80 c1 03 38 c1 7c 97 48 8b 3c 24 e8 63 ca 72 00 eb 8c e9 f2 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 41 57 <41> 56 53 89 fb 48 c7 c0 c0 ff 3e 91 48 c1 e8 03 49 bf 00 00 00 00
RSP: 0018:ffffc900045f7d98 EFLAGS: 00000202
RAX: 0000000000000001 RBX: 1ffff11003f13770 RCX: ffffffff8a263012
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffed1003f13771
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88801f89bb80 R14: 0000000000000000 R15: ffff8880b9b39b40
 schedule+0x114/0x1f0 kernel/sched/core.c:6458
 worker_thread+0xf56/0x1280 kernel/workqueue.c:2478
 kthread+0x3f6/0x4f0 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>