rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (0 ticks this GP) idle=01cc/1/0x4000000000000000 softirq=29398/29398 fqs=0
rcu: 	(detected by 0, t=10506 jiffies, g=39929, q=186 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5086 Comm: syz-executor Not tainted 6.10.0-syzkaller-12030-g66ebbdfdeb09 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:115 [inline]
RIP: 0010:lock_release+0xe0/0xa30 kernel/locking/lockdep.c:5772
Code: 3e 0e 73 16 e8 a1 ce 09 00 84 c0 75 0d 80 3d 47 f7 28 0e 00 0f 84 fc 05 00 00 48 c7 c0 3c ac ae 8f 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 1f 06 00 00 83 3d 4d d9 3e 0e 00 4c 8b 74 24 18 0f 84
RSP: 0018:ffffc90000a18a60 EFLAGS: 00000807
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff816fd2b0
RDX: 0000000000000000 RSI: ffffffff8c1fcb80 RDI: ffffffff8c1fcb40
RBP: ffffc90000a18b90 R08: ffffffff8fae7bef R09: 1ffffffff1f5cf7d
R10: dffffc0000000000 R11: fffffbfff1f5cf7e R12: 1ffff92000143158
R13: ffffffff84af8fc5 R14: ffffc90000a18bc0 R15: dffffc0000000000
FS:  000055557e59e500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31d1dff8 CR3: 000000006565e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:149 [inline]
 _raw_spin_unlock_irqrestore+0x79/0x140 kernel/locking/spinlock.c:194
 debug_object_deactivate+0x2d5/0x390 lib/debugobjects.c:779
 debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
 debug_deactivate+0x1b/0x220 kernel/time/hrtimer.c:484
 __run_hrtimer kernel/time/hrtimer.c:1657 [inline]
 __hrtimer_run_queues+0x305/0xd50 kernel/time/hrtimer.c:1753
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 be 62 65 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> b3 af d0 f5 65 8b 05 f4 a5 71 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900036ffb80 EFLAGS: 00000206
RAX: 62d6a8053089de00 RBX: 1ffff920006dff74 RCX: ffffffff947c5903
RDX: dffffc0000000000 RSI: ffffffff8bcad5a0 RDI: 0000000000000001
RBP: ffffc900036ffc10 R08: ffffffff8fae7bef R09: 1ffffffff1f5cf7d
R10: dffffc0000000000 R11: fffffbfff1f5cf7e R12: dffffc0000000000
R13: 1ffff920006dff70 R14: ffffc900036ffba0 R15: 0000000000000246
 hrtimer_start_expires include/linux/hrtimer.h:289 [inline]
 hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1951 [inline]
 do_nanosleep+0x158/0x600 kernel/time/hrtimer.c:2027
 hrtimer_nanosleep+0x227/0x470 kernel/time/hrtimer.c:2083
 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1396 [inline]
 __se_sys_clock_nanosleep+0x32b/0x3c0 kernel/time/posix-timers.c:1373
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f34d41a7f05
Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 c6 57 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 1f 58 ff ff 48 8b 04 24 48 83 c4 28 f7 d8
RSP: 002b:00007ffd2a6d3750 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 0000000000000418 RCX: 00007f34d41a7f05
RDX: 00007ffd2a6d3790 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd2a6d380c R08: 0000000000000000 R09: 7fffffffffffffff
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 0000000000000bb8 R14: 000000000005d650 R15: 000000000005d625
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g39929 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=28658
rcu: rcu_preempt kthread starved for 10506 jiffies! g39929 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:25816 pid:17    tgid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5188 [inline]
 __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
 __schedule_loop kernel/sched/core.c:6606 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6621
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2034
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2236
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>