rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (0 ticks this GP) idle=6bd4/1/0x4000000000000000 softirq=23735/23735 fqs=0
rcu: 	(detected by 1, t=10506 jiffies, g=37341, q=196 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 11348 Comm: syz-executor.1 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:validate_chain+0x602/0x58e0 kernel/locking/lockdep.c:3881
Code: 0c 2b 00 00 00 00 41 c6 44 0c 33 00 65 48 8b 0c 25 28 00 00 00 48 3b 8c 24 a0 02 00 00 0f 85 d8 4f 00 00 48 8d 65 d8 5b 41 5c <41> 5d 41 5e 41 5f 5d c3 cc cc cc cc 83 fb 03 41 b9 02 00 00 00 44
RSP: 0018:ffffc90000007928 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffffffff92994508 RCX: 13c07e8aa8f76f00
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92cae500
RBP: ffffc90000007940 R08: ffffffff92cae507 R09: 1ffffffff2595ca0
R10: dffffc0000000000 R11: fffffbfff2595ca1 R12: ffff888078023c00
R13: ffff888078024720 R14: d4c9f0e422e098f3 R15: ffffffff92cb3ab8
FS:  00007f59d91ec6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e822000 CR3: 00000000645ba000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137
 lock_acquire+0x1e4/0x530 kernel/locking/lockdep.c:5754
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 debug_object_deactivate+0x158/0x390 lib/debugobjects.c:763
 debug_hrtimer_deactivate kernel/time/hrtimer.c:428 [inline]
 debug_deactivate+0x1b/0x200 kernel/time/hrtimer.c:484
 __run_hrtimer kernel/time/hrtimer.c:1660 [inline]
 __hrtimer_run_queues+0x30f/0xd00 kernel/time/hrtimer.c:1756
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x107/0x3a0 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:finish_task_switch+0x1ea/0x870 kernel/sched/core.c:5283
Code: c9 50 e8 19 ae 0b 00 48 83 c4 08 4c 89 f7 e8 1d 38 00 00 0f 1f 44 00 00 4c 89 f7 e8 d0 6a 10 0a e8 9b 39 36 00 fb 48 8b 5d c0 <48> 8d bb f0 15 00 00 48 89 f8 48 c1 e8 03 49 be 00 00 00 00 00 fc
RSP: 0018:ffffc90013e276c8 EFLAGS: 00000282
RAX: 13c07e8aa8f76f00 RBX: ffff888078023c00 RCX: ffffffff944a6603
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: ffffffff8bfdff00
RBP: ffffc90013e27710 R08: ffffffff8f860def R09: 1ffffffff1f0c1bd
R10: dffffc0000000000 R11: fffffbfff1f0c1be R12: 1ffff11017287e0f
R13: dffffc0000000000 R14: ffff8880b943e300 R15: ffff8880b943f078
 context_switch kernel/sched/core.c:5412 [inline]
 __schedule+0x1789/0x49d0 kernel/sched/core.c:6736
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6915
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6939
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:12
 class_preempt_destructor include/linux/preempt.h:480 [inline]
 try_to_wake_up+0x9a8/0x1470 kernel/sched/core.c:4385
 wake_up_process kernel/sched/core.c:4510 [inline]
 wake_up_q+0xc8/0x120 kernel/sched/core.c:1029
 futex_wake+0x523/0x5c0 kernel/futex/waitwake.c:199
 do_futex+0x392/0x560 kernel/futex/syscalls.c:107
 __do_sys_futex kernel/futex/syscalls.c:179 [inline]
 __se_sys_futex+0x3f9/0x480 kernel/futex/syscalls.c:160
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f59d847de69
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:00007f59d91ec178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f59d85abf88 RCX: 00007f59d847de69
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f59d85abf8c
RBP: 00007f59d85abf80 R08: 00007f59d91ed0b0 R09: 00007f59d91ec6c0
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f59d85abf8c
R13: 000000000000000b R14: 00007ffccff2e640 R15: 00007ffccff2e728
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10505 jiffies! g37341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=17172
rcu: rcu_preempt kthread starved for 10506 jiffies! g37341 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:26256 pid:16    tgid:16    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5409 [inline]
 __schedule+0x1781/0x49d0 kernel/sched/core.c:6736
 __schedule_loop kernel/sched/core.c:6813 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6828
 schedule_timeout+0x1be/0x310 kernel/time/timer.c:2572
 rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
 kthread+0x2f0/0x390 kernel/kthread.c:388
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
 </TASK>