rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2674 jiffies s: 14289 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8232 Comm: syz.0.1309 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:rcu_preempt_deferred_qs_handler+0x134/0x190 kernel/rcu/tree_plugin.h:622
Code: 4b c7 04 37 00 00 00 00 43 c7 44 37 08 00 00 00 00 65 48 8b 04 25 28 00 00 00 48 3b 44 24 68 75 1d 48 8d 65 e0 5b 41 5c 41 5e <41> 5f 5d c3 e8 f3 b0 c5 08 41 f7 c4 00 02 00 00 75 bb eb ba e8 d3
RSP: 0018:ffffc900001e08f0 EFLAGS: 00000046
RAX: bffc229c4a818b00 RBX: ffff8880b8f3bbb0 RCX: ffff88802871da00
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8880b8f3bbb0
RBP: ffffc900001e08f8 R08: ffff8880b8f3bbbb R09: 1ffff110171e7777
R10: dffffc0000000000 R11: ffffed10171e7778 R12: ffff88802871e4c8
R13: 0000000000000023 R14: ffff8880b8f3bbb8 R15: 1ffff9200003c108
FS:  00007f494e1e36c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd33229eff8 CR3: 000000002bb05000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 irq_work_single+0xd1/0x230 kernel/irq_work.c:211
 irq_work_run_list kernel/irq_work.c:242 [inline]
 irq_work_run+0x159/0x2f0 kernel/irq_work.c:251
 __sysvec_irq_work+0xba/0x350 arch/x86/kernel/irq_work.c:22
 instr_sysvec_irq_work arch/x86/kernel/irq_work.c:17 [inline]
 sysvec_irq_work+0x4a/0xc0 arch/x86/kernel/irq_work.c:17
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:728
RIP: 0010:rcu_read_unlock_special+0x7f/0x510 kernel/rcu/tree_plugin.h:685
Code: eb 03 48 b8 f1 f1 f1 f1 f8 f2 f2 f2 4a 89 04 2b 42 c7 44 2b 08 f8 f3 f3 f3 65 44 8b 35 d2 68 95 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 40 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc900001e0ae0 EFLAGS: 00000206
RAX: bffc229c4a818b00 RBX: 1ffff9200003c164 RCX: bffc229c4a818b00
RDX: dffffc0000000000 RSI: ffffffff8a8c18a0 RDI: ffffffff8adf6de0
RBP: ffffc900001e0bd0 R08: ffffffff90b33247 R09: 1ffffffff2166648
R10: dffffc0000000000 R11: fffffbfff2166649 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3bb00 R15: 0000000000000002
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ieee80211_iterate_active_interfaces_atomic+0x156/0x170 net/mac80211/util.c:826
 mac80211_hwsim_beacon+0xb7/0x1b0 drivers/net/wireless/mac80211_hwsim.c:2153
 __run_hrtimer kernel/time/hrtimer.c:1751 [inline]
 __hrtimer_run_queues+0x522/0xc90 kernel/time/hrtimer.c:1815
 hrtimer_run_softirq+0x173/0x290 kernel/time/hrtimer.c:1832
 handle_softirqs+0x291/0x910 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:spin_unlock include/linux/spinlock.h:391 [inline]
RIP: 0010:__text_poke+0x6ac/0x840 arch/x86/kernel/alternative.c:1456
Code: 84 24 80 00 00 00 f7 84 24 80 00 00 00 00 02 00 00 c6 44 03 04 f8 75 75 41 f7 c6 00 02 00 00 74 01 fb 48 8b bc 24 c0 00 00 00 <e8> 5f 36 0f 09 48 b8 00 00 00 00 00 fc ff df c6 44 03 0c f8 48 c7
RSP: 0018:ffffc900036b7aa0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff920006d6f60 RCX: bffc229c4a818b00
RDX: dffffc0000000000 RSI: ffffffff8a8c18a0 RDI: ffff888017466060
RBP: ffffc900036b7bd0 R08: ffffffff90b33247 R09: 1ffffffff2166648
R10: dffffc0000000000 R11: fffffbfff2166649 R12: 00002aaaaaaac000
R13: ffff88802871da00 R14: 0000000000000282 R15: ffffffff884dd1e7
 text_poke arch/x86/kernel/alternative.c:1480 [inline]
 text_poke_bp_batch+0x454/0x850 arch/x86/kernel/alternative.c:1796
 text_poke_flush arch/x86/kernel/alternative.c:1965 [inline]
 text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1972
 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
 static_key_slow_inc_cpuslocked+0x7c/0xe0 kernel/jump_label.c:165
 static_key_slow_inc+0x16/0x30 kernel/jump_label.c:188
 bpf_enable_runtime_stats kernel/bpf/syscall.c:4870 [inline]
 bpf_enable_stats+0x101/0x140 kernel/bpf/syscall.c:4889
 __sys_bpf+0x667/0x780 kernel/bpf/syscall.c:5118
 __do_sys_bpf kernel/bpf/syscall.c:5139 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5137 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5137
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f494d39e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f494e1e3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f494d625fa0 RCX: 00007f494d39e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00007f494d43506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f494d626038 R14: 00007f494d625fa0 R15: 00007fff109ad4f8
 </TASK>