rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=b35c/1/0x4000000000000000 softirq=45232/45232 fqs=0
rcu: 	(detected by 0, t=10502 jiffies, g=78825, q=169 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 17540 Comm: syz-executor.4 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:lock_acquire+0xeb/0x540 kernel/locking/lockdep.c:5727
Code: 33 0e 0f 82 ad 03 00 00 48 c7 c0 38 a3 9e 8f 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 e0 07 48 c1 e9 03 83 c0 03 0f b6 14 11 <38> d0 7c 08 84 d2 0f 85 d1 03 00 00 8b 0d ab 50 33 0e 85 c9 0f 84
RSP: 0018:ffffc90000a08be8 EFLAGS: 00000006
RAX: 0000000000000003 RBX: 1ffff9200014117f RCX: 1ffffffff1f3d467
RDX: 0000000000000000 RSI: ffffffff8b6e8820 RDI: ffffffff8d233b28
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff1f3cdf2
R10: ffffffff8f9e6f97 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff948b7cd8 R15: 0000000000000000
FS:  00007f5704a1b6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0a2d2d66e4 CR3: 0000000029c76000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
 debug_object_activate+0x199/0x540 lib/debugobjects.c:708
 debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
 debug_activate kernel/time/hrtimer.c:478 [inline]
 enqueue_hrtimer+0x25/0x390 kernel/time/hrtimer.c:1090
 __run_hrtimer kernel/time/hrtimer.c:1709 [inline]
 __hrtimer_run_queues+0xa15/0xc20 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x10f/0x410 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:226 [inline]
RIP: 0010:ktime_mono_to_any+0xd5/0x1f0 kernel/time/timekeeping.c:932
Code: 24 38 48 c7 c7 48 d7 7d 8d e8 a7 5c f0 ff 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 f5 0d 12 00 48 85 db 58 0f 85 d0 00 00 00 <e8> d6 12 12 00 eb 07 e8 cf 12 12 00 f3 90 8b 2d 57 f1 02 0c 31 ff
RSP: 0018:ffffc90003887ac8 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae694
RDX: ffff888019f49e00 RSI: ffffffff817ae69f RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff1afbb01
R13: 0000000000000000 R14: ffffffff8d7dd808 R15: dffffc0000000000
 ktime_mono_to_real include/linux/timekeeping.h:150 [inline]
 timerfd_clock_was_set+0x1c/0x310 fs/timerfd.c:99
 clock_was_set+0x67c/0x850 kernel/time/hrtimer.c:983
 do_adjtimex+0x926/0xaa0 kernel/time/timekeeping.c:2480
 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
 __do_sys_clock_adjtime+0x173/0x290 kernel/time/posix-timers.c:1171
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xd2/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f5703c7dda9
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:00007f5704a1b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007f5703dac050 RCX: 00007f5703c7dda9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f5703cca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f5703dac050 R15: 00007ffeb67c68d8
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g78825 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=36082
rcu: rcu_preempt kthread starved for 10502 jiffies! g78825 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
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:27776 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0xf15/0x5c70 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0xe7/0x350 kernel/sched/core.c:6828
 schedule_timeout+0x136/0x2a0 kernel/time/timer.c:2572
 rcu_gp_fqs_loop+0x1eb/0xb00 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0x271/0x380 kernel/rcu/tree.c:1862
 kthread+0x2c1/0x3a0 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>