rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=b6f/1/0x4000000000000000 softirq=7064/7065 fqs=2100 
	(detected by 1, t=10506 jiffies, g=7829, q=2774)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4582 Comm: syz.0.89 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:35 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_local_irq_save arch/x86/include/asm/irqflags.h:106 [inline]
RIP: 0010:rcu_irq_enter_irqson+0x78/0x120 kernel/rcu/tree.c:1086
Code: be 00 00 00 00 00 fc ff df 4a 89 04 33 42 c7 44 33 08 f8 f3 f3 f3 42 c6 44 33 08 00 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 <4c> 8b 7c 24 40 42 c6 44 33 08 f8 fa 41 f7 c7 00 02 00 00 75 07 e8
RSP: 0018:ffffc90000007940 EFLAGS: 00000806
RAX: f2f2f2f8f1f1f1f1 RBX: 1ffff92000000f28 RCX: ffff888078229dc0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffffffff8c35eb28
RBP: ffffc900000079e8 R08: ffffffff8d8b2bef R09: 1ffffffff1b1657d
R10: dffffc0000000000 R11: fffffbfff1b1657e R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f35a4e086c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32a1cff8 CR3: 000000007e6eb000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 trace_irq_enable_rcuidle+0xc6/0x180 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x57/0x80 kernel/trace/trace_preemptirq.c:44
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:713
RIP: 0010:rcu_read_unlock_special+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
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 82 fc 9c 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007ae0 EFLAGS: 00000206
RAX: 59238f6e1f4f9a00 RBX: 1ffff92000000f60 RCX: 59238f6e1f4f9a00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4b80
RBP: ffffc90000007bc0 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ieee80211_rx_napi+0x216/0x390 net/mac80211/rx.c:5021
 ieee80211_rx include/net/mac80211.h:4573 [inline]
 ieee80211_handle_queued_frames+0x104/0x1a0 net/mac80211/main.c:237
 tasklet_action_common+0x2ad/0x410 kernel/softirq.c:806
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:preempt_schedule_irq+0xb6/0x160 kernel/sched/core.c:6799
Code: 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 7f bf 01 00 00 00 e8 75 f4 87 f7 e8 f0 eb b4 f7 fb bf 01 00 00 00 <e8> d5 b5 ff ff 43 c6 44 37 08 00 48 c7 44 24 40 00 00 00 00 9c 8f
RSP: 0018:ffffc9000328f380 EFLAGS: 00000282
RAX: 59238f6e1f4f9a00 RBX: 0000000000000000 RCX: 59238f6e1f4f9a00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: 0000000000000001
RBP: ffffc9000328f420 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000651e70
 irqentry_exit+0x63/0x70 kernel/entry/common.c:435
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:seqcount_lockdep_reader_access+0x144/0x190 include/linux/seqlock.h:106
Code: 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 41 c6 04 07 f8 75 42 41 f7 c5 00 02 00 00 74 01 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 43 c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc9000328f4e0 EFLAGS: 00000206
RAX: dffffc0000000004 RBX: ffff88813fffb7c0 RCX: 59238f6e1f4f9a00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4b80
RBP: ffffc9000328f5a0 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: dffffc0000000000
R13: 0000000000000a06 R14: ffffffff81b56726 R15: 1ffff92000651e9c
 read_seqbegin include/linux/seqlock.h:897 [inline]
 zone_span_seqbegin include/linux/memory_hotplug.h:83 [inline]
 page_outside_zone_boundaries mm/page_alloc.c:580 [inline]
 bad_range+0x76/0x2c0 mm/page_alloc.c:607
 rmqueue mm/page_alloc.c:3760 [inline]
 get_page_from_freelist+0x24dd/0x2670 mm/page_alloc.c:4189
 __alloc_pages+0x1ee/0x480 mm/page_alloc.c:5501
 __get_free_pages+0x8/0x30 mm/page_alloc.c:5538
 kasan_populate_vmalloc_pte+0x21/0xc0 mm/kasan/shadow.c:266
 apply_to_pte_range mm/memory.c:2573 [inline]
 apply_to_pmd_range mm/memory.c:2617 [inline]
 apply_to_pud_range mm/memory.c:2653 [inline]
 apply_to_p4d_range mm/memory.c:2689 [inline]
 __apply_to_page_range+0x987/0xd10 mm/memory.c:2725
 alloc_vmap_area+0x19e8/0x1b30 mm/vmalloc.c:1572
 __get_vm_area_node+0x14f/0x2d0 mm/vmalloc.c:2430
 __vmalloc_node_range+0xef/0x8b0 mm/vmalloc.c:3027
 __vmalloc_node+0x79/0x90 mm/vmalloc.c:3087
 kvmalloc include/linux/mm.h:816 [inline]
 btf_parse kernel/bpf/btf.c:4374 [inline]
 btf_new_fd+0x1e2/0x910 kernel/bpf/btf.c:5946
 __sys_bpf+0x58c/0x6f0 kernel/bpf/syscall.c:4702
 __do_sys_bpf kernel/bpf/syscall.c:4761 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:4759 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:4759
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f35a6bb0199
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:00007f35a4e08028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f35a6e37fa0 RCX: 00007f35a6bb0199
RDX: 0000000000000020 RSI: 0000200000000280 RDI: 0000000000000012
RBP: 00007f35a6c478e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f35a6e38038 R14: 00007f35a6e37fa0 R15: 00007fff302c84d8
 </TASK>