rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=7324/1/0x4000000000000000 softirq=27070/27071 fqs=1
rcu: 	(detected by 0, t=10505 jiffies, g=37277, q=380 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 9176 Comm: syz-executor.3 Not tainted 6.6.0-rc7-syzkaller-00137-g750b95887e56 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
RIP: 0010:mark_lock+0x15/0x340 kernel/locking/lockdep.c:4638
Code: 81 f7 7a 00 e9 0d ff ff ff e8 07 47 5e 09 0f 1f 80 00 00 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 49 89 f7 48 89 3c 24 <49> bd 00 00 00 00 00 fc ff df 83 fa 08 75 27 49 8d 5f 20 48 89 d8
RSP: 0018:ffffc900001f07d8 EFLAGS: 00000086
RAX: 0000000000000001 RBX: 0000000000000002 RCX: 00000000000c48bc
RDX: 0000000000000000 RSI: ffff88807d8bc670 RDI: ffff88807d8bbb80
RBP: ffffc900001f0ae8 R08: dffffc0000000000 R09: 1ffffffff20dc892
R10: dffffc0000000000 R11: fffffbfff20dc893 R12: ffff88807d8bc640
R13: ffff88807d8bbb80 R14: 0000000000000000 R15: ffff88807d8bc670
FS:  00007fcdeae4f6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000440 CR3: 000000007e960000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 mark_usage kernel/locking/lockdep.c:4563 [inline]
 __lock_acquire+0xce0/0x7f70 kernel/locking/lockdep.c:5090
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xae/0xcb0 net/sched/sch_taprio.c:935
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x59f/0xd10 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x396/0x980 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1063 [inline]
 __sysvec_apic_timer_interrupt+0x104/0x390 arch/x86/kernel/apic/apic.c:1080
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1074
 </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+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ae 28 12 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 03 dd 89 f6 65 8b 05 f4 14 2d 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc90015f57900 EFLAGS: 00000206
RAX: 20d4ddc1c86bf300 RBX: 1ffff92002beaf24 RCX: ffffffff816dd56a
RDX: dffffc0000000000 RSI: ffffffff8b0aa520 RDI: 0000000000000001
RBP: ffffc90015f57990 R08: ffffffff906e4387 R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: dffffc0000000000
R13: 1ffff92002beaf20 R14: ffffc90015f57920 R15: 0000000000000246
 clock_was_set+0x6a1/0x830 kernel/time/hrtimer.c:972
 timekeeping_inject_offset+0x663/0x710 kernel/time/timekeeping.c:1395
 do_adjtimex+0x515/0xab0 kernel/time/timekeeping.c:2444
 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1171 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1162 [inline]
 __x64_sys_clock_adjtime+0x1e0/0x290 kernel/time/posix-timers.c:1162
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcdea07cae9
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:00007fcdeae4f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131
RAX: ffffffffffffffda RBX: 00007fcdea19bf80 RCX: 00007fcdea07cae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007fcdea0c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcdea19bf80 R15: 00007ffe84656908
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g37277 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:26504 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0x196c/0x4af0 kernel/sched/core.c:6695
 schedule+0xc3/0x180 kernel/sched/core.c:6771
 schedule_timeout+0x1bd/0x300 kernel/time/timer.c:2167
 rcu_gp_fqs_loop+0x2c6/0x1010 kernel/rcu/tree.c:1613
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1812
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 PID: 2816 Comm: kworker/u4:11 Not tainted 6.6.0-rc7-syzkaller-00137-g750b95887e56 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:300 [inline]
RIP: 0010:smp_call_function_many_cond+0x1805/0x2890 kernel/smp.c:844
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 b4 58 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 ef 54 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 d3 54
RSP: 0018:ffffc9000a927720 EFLAGS: 00000293
RAX: ffffffff8182c88d RBX: 1ffff110173282cd RCX: ffff888026b5d940
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000a927920 R08: ffffffff8182c85c R09: 1ffffffff20dc870
R10: dffffc0000000000 R11: fffffbfff20dc871 R12: dffffc0000000000
R13: ffff8880b9941668 R14: ffff8880b983d440 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f909819fd58 CR3: 000000000d130000 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:1012
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2006 [inline]
 text_poke_bp_batch+0x350/0xb20 arch/x86/kernel/alternative.c:2216
 text_poke_flush arch/x86/kernel/alternative.c:2407 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2414
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x132/0x250 kernel/jump_label.c:205
 static_key_enable+0x1a/0x20 kernel/jump_label.c:218
 toggle_allocation_gate+0xb5/0x250 mm/kfence/core.c:830
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>