rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=ce44/1/0x4000000000000000 softirq=68553/68553 fqs=0
rcu: 	(detected by 1, t=10502 jiffies, g=119005, q=55 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 27545 Comm: syz-executor.1 Not tainted 6.7.0-rc3-syzkaller-00024-g18d46e76d7c2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x42/0x70 kernel/locking/spinlock.c:194
Code: e4 f6 48 89 df e8 ce 1c e5 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f bf 01 00 00 00 e8 e5 d5 d6 f6 65 8b 05 96 60 81 75 <85> c0 74 12 5b 5d c3 e8 b2 dc 0a f7 9c 58 f6 c4 02 75 12 fb eb d9
RSP: 0018:ffffc90000007e28 EFLAGS: 00000013
RAX: 0000000000010001 RBX: ffff8880b982b940 RCX: 0000000000000000
RDX: 0000000000010002 RSI: 0000000000000004 RDI: 0000000000000001
RBP: 0000000000000046 R08: 0000000000000000 R09: ffffed1017305728
R10: ffff8880b982b943 R11: 0000000000000002 R12: ffff8880b982b940
R13: 1869feef38181610 R14: ffff88802d9da340 R15: ffffffff88a22800
FS:  00007fba48b3e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 0000000040910000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __run_hrtimer kernel/time/hrtimer.c:1684 [inline]
 __hrtimer_run_queues+0x58b/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x70 kernel/locking/spinlock.c:194
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 a5 e4 f6 48 89 df e8 ce 1c e5 f6 f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 e5 d5 d6 f6 65 8b 05 96 60 81 75 85 c0 74 12 5b
RSP: 0018:ffffc9000504fcb8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880b982b940 RCX: 1ffffffff23e1f16
RDX: 0000000000000000 RSI: ffffffff8acca860 RDI: ffffffff8b2ee500
RBP: 0000000000000282 R08: 0000000000000001 R09: fffffbfff23e1dd0
R10: ffffffff91f0ee87 R11: 0000000000000002 R12: fbda9e742572462a
R13: 0000000000000000 R14: 0000024b78e04388 R15: dffffc0000000000
 clock_was_set+0x592/0x850 kernel/time/hrtimer.c:972
 do_settimeofday64+0x3b7/0x5c0 kernel/time/timekeeping.c:1345
 do_sys_settimeofday64+0x1dc/0x260 kernel/time/time.c:195
 __do_sys_clock_settime kernel/time/posix-timers.c:1129 [inline]
 __se_sys_clock_settime kernel/time/posix-timers.c:1113 [inline]
 __x64_sys_clock_settime+0x1bc/0x290 kernel/time/posix-timers.c:1113
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fba47e7cae9
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:00007fba48b3e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007fba47f9bf80 RCX: 00007fba47e7cae9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000000
RBP: 00007fba47ec847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fba47f9bf80 R15: 00007fff728e4a88
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g119005 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=150134
rcu: rcu_preempt kthread starved for 10502 jiffies! g119005 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:28120 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 schedule_timeout+0x137/0x290 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x1ec/0xb10 kernel/rcu/tree.c:1631
 rcu_gp_kthread+0x24b/0x380 kernel/rcu/tree.c:1830
 kthread+0x2c6/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>