rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=6b2c/1/0x4000000000000000 softirq=37966/37967 fqs=50
rcu: 	(detected by 0, t=10502 jiffies, g=67557, q=424 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9300 Comm: syz-executor.0 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_release+0x71/0x9d0 kernel/locking/lockdep.c:5762
Code: 41 48 c7 44 24 68 43 53 8b 8d 48 c7 44 24 70 d0 be 71 81 4c 8d 64 24 60 49 c1 ec 03 48 b8 f1 f1 f1 f1 04 f2 00 f2 4b 89 04 3c <48> b8 f2 f2 00 f3 f3 f3 f3 f3 4b 89 44 3c 08 0f 1f 44 00 00 65 8b
RSP: 0018:ffffc90000a08b80 EFLAGS: 00000802
RAX: f200f204f1f1f1f1 RBX: ffff8880b952c8c0 RCX: 0000000000000001
RDX: 0000000080010003 RSI: ffffffff818280b1 RDI: ffff8880b952c8d8
RBP: ffffc90000a08cb0 R08: ffffffff81828041 R09: 1ffffffff1f0c1bd
R10: dffffc0000000000 R11: fffffbfff1f0c1be R12: 1ffff9200014117c
R13: ffffffff818280b1 R14: ffffc90000a08ce0 R15: dffffc0000000000
FS:  000055555ea3f480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a53ed56c6 CR3: 000000002b9a4000 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
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x481/0xd00 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:__sanitizer_cov_trace_const_cmp8+0x0/0x90 kernel/kcov.c:310
Code: 10 48 89 74 0a 18 4c 89 44 0a 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 4c 8b 04 24 65 48 8b 0c 25 40 d0 03 00 65 8b 05 00 d7
RSP: 0018:ffffc9000aa7f3c0 EFLAGS: 00000246
RAX: 000800000002be25 RBX: ffff88801a6ba600 RCX: ffff8880197c5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000aa7f801 R08: ffffffff81dcaace R09: 1ffff110041558b4
R10: dffffc0000000000 R11: ffffed10041558b5 R12: 800000002be25007
R13: 000000000002be25 R14: 00007f6a52cd0000 R15: ffff88801f4ba700
 vm_normal_page+0x6c/0x1e0 mm/memory.c:588
 copy_present_pte mm/memory.c:948 [inline]
 copy_pte_range mm/memory.c:1102 [inline]
 copy_pmd_range mm/memory.c:1187 [inline]
 copy_pud_range mm/memory.c:1224 [inline]
 copy_p4d_range mm/memory.c:1248 [inline]
 copy_page_range+0x12ab/0x4240 mm/memory.c:1346
 dup_mmap kernel/fork.c:747 [inline]
 dup_mm kernel/fork.c:1687 [inline]
 copy_mm+0x12f5/0x21b0 kernel/fork.c:1736
 copy_process+0x187a/0x3df0 kernel/fork.c:2389
 kernel_clone+0x223/0x840 kernel/fork.c:2796
 __do_sys_clone kernel/fork.c:2939 [inline]
 __se_sys_clone kernel/fork.c:2923 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2923
 do_syscall_64+0xfb/0x240
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f6a5327add3
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007fff2d2900b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6a5327add3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 000055555ea3f750 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
rcu: rcu_preempt kthread starved for 10401 jiffies! g67557 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:25392 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>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 5142 Comm: kworker/0:6 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events jump_label_update_timeout
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1850/0x2960 kernel/smp.c:855
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 d9 d5 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 84 d1 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 68 d1
RSP: 0018:ffffc90004e7f7c0 EFLAGS: 00000293
RAX: ffffffff818922e8 RBX: 1ffff110172a8801 RCX: ffff8880218b0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90004e7f9c0 R08: ffffffff818922b7 R09: 1ffffffff2595ca0
R10: dffffc0000000000 R11: fffffbfff2595ca1 R12: dffffc0000000000
R13: ffff8880b9544008 R14: ffff8880b943f440 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555577208938 CR3: 000000000df32000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2086 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2296
 text_poke_flush arch/x86/kernel/alternative.c:2487 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2494
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 __static_key_slow_dec_cpuslocked+0x10b/0x170 kernel/jump_label.c:276
 __static_key_slow_dec kernel/jump_label.c:283 [inline]
 jump_label_update_timeout+0x1e/0x30 kernel/jump_label.c:291
 process_one_work kernel/workqueue.c:3254 [inline]
 process_scheduled_works+0xa00/0x1770 kernel/workqueue.c:3335
 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416
 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>