rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2681 jiffies s: 29605 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: 11370 Comm: syz.1.2362 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:check_preemption_disabled+0x1/0x110 lib/smp_processor_id.c:13
Code: 80 a1 bc 8c 4c 89 f6 e8 6d b8 0c fa e9 6e ff ff ff 00 00 cc cc 00 00 cc cc 48 c7 c7 40 e1 de 8a 48 c7 c6 80 e1 de 8a eb 00 55 <41> 57 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24
RSP: 0018:ffffc900001e0918 EFLAGS: 00000002
RAX: 4000000000000002 RBX: ffff8880b8f35800 RCX: 0cc068f558ef6d00
RDX: 0000000000000100 RSI: ffffffff8a94e180 RDI: ffffffff8adee1a0
RBP: ffffc900001e09e8 R08: ffffffff8e200f6f R09: 1ffffffff1c401ed
R10: dffffc0000000000 R11: fffffbfff1c401ee R12: dffffc0000000000
R13: 0000000000000001 R14: 4000000000000002 R15: 0000000000000000
FS:  00007fca34ced6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa69a227dac CR3: 000000004535b000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ct_dynticks_nmi_nesting include/linux/context_tracking_state.h:92 [inline]
 ct_nmi_exit+0x100/0x1c0 kernel/context_tracking.c:222
 ct_irq_exit_irqson+0xaf/0x170 kernel/context_tracking.c:422
 trace_irq_enable_rcuidle+0xd8/0x140 include/trace/events/preemptirq.h:40
 trace_hardirqs_on+0x24/0x40 kernel/trace/trace_preemptirq.c:44
 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 e2 82 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: 0cc068f558ef6d00 RBX: 1ffff9200003c164 RCX: 0cc068f558ef6d00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adee1a0
RBP: ffffc900001e0bd0 R08: ffffffff90af2247 R09: 1ffffffff215e448
R10: dffffc0000000000 R11: fffffbfff215e449 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:2147
 __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> 7f 5a 06 09 48 b8 00 00 00 00 00 fc ff df c6 44 03 0c f8 48 c7
RSP: 0018:ffffc900034ff5a0 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200069fec0 RCX: 0cc068f558ef6d00
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffff888017466060
RBP: ffffc900034ff6e0 R08: ffffffff90af2247 R09: 1ffffffff215e448
R10: dffffc0000000000 R11: fffffbfff215e449 R12: 00002aaaaaaac000
R13: ffff888025d13c00 R14: 0000000000000282 R15: ffffffffa00024c0
 text_poke_copy+0x67/0x90 arch/x86/kernel/alternative.c:1529
 bpf_arch_text_copy+0x21/0x40 arch/x86/net/bpf_jit_comp.c:2623
 bpf_jit_binary_pack_finalize+0x37/0x90 kernel/bpf/core.c:1139
 bpf_int_jit_compile+0xbf20/0xcb70 arch/x86/net/bpf_jit_comp.c:2579
 bpf_prog_select_runtime+0x48b/0x7d0 kernel/bpf/core.c:2255
 bpf_prog_load+0x1039/0x1530 kernel/bpf/syscall.c:2655
 __sys_bpf+0x5b8/0x780 kernel/bpf/syscall.c:5031
 __do_sys_bpf kernel/bpf/syscall.c:5135 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5133 [inline]
 __x64_sys_bpf+0x78/0x90 kernel/bpf/syscall.c:5133
 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: 0033:0x7fca33d9de59
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:00007fca34ced028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fca34025fa0 RCX: 00007fca33d9de59
RDX: 0000000000000048 RSI: 0000200000000200 RDI: 0000000000000005
RBP: 00007fca33e33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca34026038 R14: 00007fca34025fa0 R15: 00007ffd9f3a4b18
 </TASK>