rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=d3c4/1/0x4000000000000000 softirq=60787/60788 fqs=13
rcu: 	(detected by 1, t=10502 jiffies, g=56485, q=193 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12675 Comm: syz.5.2006 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:rb_erase+0xe43/0xe60 lib/rbtree.c:446
Code: 20 00 48 8b 5c 24 18 74 19 48 89 df e8 d6 30 c7 f6 eb 0f 43 80 3c 26 00 74 08 48 89 df e8 c5 30 c7 f6 4c 89 2b 48 83 c4 28 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 7f 3e 07 00 cc 66 66 66 66 66 2e 0f
RSP: 0018:ffffc90000007cd8 EFLAGS: 00000092
RAX: 1ffff110170c4f82 RBX: ffff8880b8627c10 RCX: dffffc0000000000
RDX: 0000000000010000 RSI: ffff8880b8627c10 RDI: ffff888144683348
RBP: dffffc0000000000 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: ffff888144683340
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  00007f2bb38786c0(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000077dc8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 rb_erase_cached include/linux/rbtree.h:126 [inline]
 timerqueue_del+0xae/0x100 lib/timerqueue.c:57
 __remove_hrtimer kernel/time/hrtimer.c:1121 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1741 [inline]
 __hrtimer_run_queues+0x364/0xc60 kernel/time/hrtimer.c:1825
 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
 __sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1056
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
 </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+0xa8/0x110 kernel/locking/spinlock.c:194
Code: 74 05 e8 fb 7d 66 f6 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4f f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> f3 69 2f f6 65 8b 05 ec 43 38 07 85 c0 74 40 48 c7 04 24 0e 36
RSP: 0018:ffffc900046879a0 EFLAGS: 00000206
RAX: 72630ea0d6bed200 RBX: 0000000000000a02 RCX: 72630ea0d6bed200
RDX: 0000000000000006 RSI: ffffffff8d96d7f4 RDI: 0000000000000001
RBP: ffffc90004687a20 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: dffffc0000000000
R13: 000000000000ce08 R14: ffffffff8e223980 R15: 1ffff920008d0f34
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 pcpu_alloc_noprof+0xc00/0x16b0 mm/percpu.c:1858
 bpf_prog_alloc_no_stats+0x10e/0x4e0 kernel/bpf/core.c:113
 bpf_prog_alloc+0x3c/0x1a0 kernel/bpf/core.c:146
 bpf_prog_load+0x735/0x1930 kernel/bpf/syscall.c:2882
 __sys_bpf+0x5f1/0x860 kernel/bpf/syscall.c:5836
 __do_sys_bpf kernel/bpf/syscall.c:5943 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5941 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5941
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2bb298e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2bb3878038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f2bb2bb5fa0 RCX: 00007f2bb298e929
RDX: 0000000000000090 RSI: 00002000000000c0 RDI: 0000000000000005
RBP: 00007f2bb2a10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2bb2bb5fa0 R15: 00007ffd648c4d68
 </TASK>
rcu: rcu_preempt kthread starved for 10441 jiffies! g56485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R  running task     stack:26776 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16a2/0x4cb0 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 5875 Comm: kworker/1:4 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events jump_label_update_timeout
RIP: 0010:csd_lock_wait kernel/smp.c:340 [inline]
RIP: 0010:smp_call_function_many_cond+0xf69/0x12d0 kernel/smp.c:885
Code: 00 45 8b 2f 44 89 ee 83 e6 01 31 ff e8 50 78 0b 00 41 83 e5 01 49 bd 00 00 00 00 00 fc ff df 75 07 e8 fb 73 0b 00 eb 37 f3 90 <43> 0f b6 04 2c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e e8 e0 73 0b
RSP: 0018:ffffc900046b7780 EFLAGS: 00000293
RAX: ffffffff81b4da10 RBX: ffff8880b873c9c0 RCX: ffff888032868000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900046b78e0 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: 1ffff110170c868d
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880b8643468
FS:  0000000000000000(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3bb941 CR3: 000000000df38000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2660 [inline]
 smp_text_poke_batch_finish+0x5e0/0x1100 arch/x86/kernel/alternative.c:2870
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 __static_key_slow_dec_cpuslocked+0xbb/0x110 kernel/jump_label.c:315
 __static_key_slow_dec kernel/jump_label.c:321 [inline]
 jump_label_update_timeout+0x1e/0x30 kernel/jump_label.c:329
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xade/0x17b0 kernel/workqueue.c:3321
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3402
 kthread+0x70e/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>