rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2692 jiffies s: 9493 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: 5733 Comm: syz.2.387 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:debug_smp_processor_id+0x7/0x10 lib/smp_processor_id.c:60
Code: 0c fa e9 64 ff ff ff 48 c7 c7 60 9e bc 8c 4c 89 f6 e8 cd 03 0c fa e9 6e ff ff ff 00 00 cc cc 00 00 cc cc 48 c7 c7 80 0d df 8a <48> c7 c6 c0 0d df 8a eb 00 55 41 57 41 56 53 48 83 ec 10 65 48 8b
RSP: 0018:ffffc900001e0848 EFLAGS: 00000046
RAX: ffffffff81a590dd RBX: 0000000000000014 RCX: ffff88802b110000
RDX: 0000000000000100 RSI: 0000000000000014 RDI: ffffffff8adf0d80
RBP: ffffc900001e0998 R08: ffffffff8e1fcd2f R09: 1ffffffff1c3f9a5
R10: dffffc0000000000 R11: fffffbfff1c3f9a6 R12: ffffffff8cb7fb60
R13: dffffc0000000000 R14: ffffc900001e0900 R15: ffffc900001e0920
FS:  00007f0c6057a6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c30633e CR3: 000000007c752000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_swevent_get_recursion_context+0x12/0x150 kernel/events/core.c:9723
 perf_trace_buf_alloc+0x54/0x300 kernel/trace/trace_event_perf.c:414
 perf_trace_preemptirq_template+0x143/0x320 include/trace/events/preemptirq.h:14
 trace_irq_disable include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off_finish+0x13f/0x180 kernel/trace/trace_preemptirq.c:67
 irqentry_enter+0x33/0x50 kernel/entry/common.c:382
 sysvec_irq_work+0xa/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 92 31 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:ffffc900001e0aa0 EFLAGS: 00000206
RAX: f1e1e4d8376bde00 RBX: 1ffff9200003c15c RCX: f1e1e4d8376bde00
RDX: dffffc0000000000 RSI: ffffffff8a8c1220 RDI: ffffffff8adf0de0
RBP: ffffc900001e0b90 R08: ffff8880b8f3580b R09: 1ffff110171e6b01
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: 0000000000000246
R13: dffffc0000000000 R14: ffff8880b8f3b900 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:2147
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x560/0xd70 kernel/time/hrtimer.c:1811
 hrtimer_run_softirq+0x183/0x2a0 kernel/time/hrtimer.c:1828
 handle_softirqs+0x2a1/0x930 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:unwind_next_frame+0x1760/0x20b0 arch/x86/kernel/unwind_orc.c:-1
Code: e8 03 42 0f b6 04 28 84 c0 0f 85 9e 08 00 00 49 0f bf 04 24 48 01 c6 48 89 df 4c 89 fa e8 58 09 00 00 84 c0 0f 84 41 01 00 00 <49> bd 00 00 00 00 00 fc ff df 48 8b 44 24 18 42 0f b6 04 28 84 c0
RSP: 0018:ffffc9000da76910 EFLAGS: 00000246
RAX: 1ffff92001b4ed47 RBX: ffffc9000da769e8 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffffff8ea902ae R08: ffffc9000da76a47 R09: ffffc9000da76a38
R10: dffffc0000000000 R11: fffff52001b4ed49 R12: ffffffff8ea902aa
R13: dffffc0000000000 R14: ffffc9000da76a38 R15: 1ffffffff1d52055
 arch_stack_walk+0x10c/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
 save_stack+0x121/0x230 mm/page_owner.c:127
 __set_page_owner+0x19/0x60 mm/page_owner.c:190
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x173/0x1a0 mm/page_alloc.c:2559
 prep_new_page mm/page_alloc.c:2566 [inline]
 get_page_from_freelist+0x1a1e/0x1ab0 mm/page_alloc.c:4357
 __alloc_pages+0x1ec/0x4f0 mm/page_alloc.c:5643
 __get_free_pages+0x8/0x30 mm/page_alloc.c:5693
 kasan_populate_vmalloc_pte+0x31/0xf0 mm/kasan/shadow.c:271
 apply_to_pte_range mm/memory.c:2660 [inline]
 apply_to_pmd_range mm/memory.c:2704 [inline]
 apply_to_pud_range mm/memory.c:2740 [inline]
 apply_to_p4d_range mm/memory.c:2776 [inline]
 __apply_to_page_range+0x989/0xd10 mm/memory.c:2812
 alloc_vmap_area+0x178f/0x18c0 mm/vmalloc.c:1654
 __get_vm_area_node+0x158/0x330 mm/vmalloc.c:2513
 __vmalloc_node_range+0x357/0x13b0 mm/vmalloc.c:3203
 __vmalloc_node mm/vmalloc.c:3308 [inline]
 vzalloc+0x75/0x80 mm/vmalloc.c:3381
 bpf_check+0x224/0x10db0 kernel/bpf/verifier.c:15482
 bpf_prog_load+0x101a/0x1560 kernel/bpf/syscall.c:2651
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5030
 __do_sys_bpf kernel/bpf/syscall.c:5134 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5132 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5132
 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: 0033:0x7f0c5f79c629
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:00007f0c6057a028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0c5fa15fa0 RCX: 00007f0c5f79c629
RDX: 0000000000000094 RSI: 00002000000003c0 RDI: 0000000000000005
RBP: 00007f0c5f832b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c5fa16038 R14: 00007f0c5fa15fa0 R15: 00007ffcd4ac34d8
 </TASK>