rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2651 jiffies s: 39897 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: 12358 Comm: syz.2.2634 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:lock_acquire+0x1/0x4a0 kernel/locking/lockdep.c:5644
Code: 0f 8c 3a fb ff ff 48 c7 c7 a8 3f 21 8e e8 57 62 6f 00 e9 29 fb ff ff 66 90 65 8b 05 c1 76 9e 7e a9 00 ff ff 00 0f 95 c0 c3 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00
RSP: 0018:ffffc900001e07a8 EFLAGS: 00000046
RAX: ffffffff818bd4df RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8cb2db60
RBP: ffffc900001e08b8 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: ffffffff8cb803a0
R13: 1ffff9200003c104 R14: ffff8880b8f35558 R15: 0000000000000000
FS:  00007fca021b46c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca02192ff8 CR3: 000000002e960000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 trace_call_bpf+0xe0/0x6b0 kernel/trace/bpf_trace.c:134
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10027
 perf_trace_preemptirq_template+0x268/0x320 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd3/0x140 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 a2 7c 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: ae0cab6905367800 RBX: 1ffff9200003c164 RCX: ae0cab6905367800
RDX: dffffc0000000000 RSI: ffffffff8a8c17a0 RDI: ffffffff8adf5de0
RBP: ffffc900001e0bd0 R08: ffffffff90b10247 R09: 1ffffffff2162048
R10: dffffc0000000000 R11: fffffbfff2162049 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:__insn_get_emulate_prefix arch/x86/lib/insn.c:91 [inline]
RIP: 0010:insn_get_emulate_prefix arch/x86/lib/insn.c:109 [inline]
RIP: 0010:insn_get_prefixes+0x1bd/0x16d0 arch/x86/lib/insn.c:134
Code: 49 8d 45 04 4c 39 f8 0f 96 c0 44 84 f0 0f 85 f4 00 00 00 e8 35 3d 5e f7 4d 8d 65 01 48 b8 00 00 00 00 00 fc ff df 0f b6 04 03 <84> c0 0f 85 56 11 00 00 4c 39 fd 0f 96 c3 41 0f b6 75 00 83 fe 0f
RSP: 0018:ffffc9000c767458 EFLAGS: 00000287
RAX: 0000000000000005 RBX: 1ffffffff1f23a68 RCX: 0000000000080000
RDX: ffffc9000c7a9000 RSI: 00000000000096a8 RDI: 00000000000096a9
RBP: ffffffff8f91d342 R08: ffffc9000c767797 R09: ffffc9000c767740
R10: dffffc0000000000 R11: fffff520018ecef3 R12: ffffffff8f91d341
R13: ffffffff8f91d340 R14: ffffc9000c767700 R15: ffffffff8f91d34f
 insn_get_opcode+0x1ac/0xa30 arch/x86/lib/insn.c:272
 insn_get_modrm+0x214/0x760 arch/x86/lib/insn.c:343
 insn_get_sib arch/x86/lib/insn.c:421 [inline]
 insn_get_displacement+0x146/0x9d0 arch/x86/lib/insn.c:464
 insn_get_immediate+0x2f8/0x11b0 arch/x86/lib/insn.c:632
 insn_get_length arch/x86/lib/insn.c:707 [inline]
 insn_decode+0x386/0x520 arch/x86/lib/insn.c:747
 text_poke_loc_init+0x105/0x560 arch/x86/kernel/alternative.c:1878
 text_poke_bp+0xc0/0x160 arch/x86/kernel/alternative.c:2010
 __static_call_transform+0x2f2/0x510 arch/x86/kernel/static_call.c:109
 arch_static_call_transform+0x1a2/0x260 arch/x86/kernel/static_call.c:166
 __static_call_update+0x3b2/0x5c0 kernel/static_call_inline.c:198
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0x946/0xa10 kernel/tracepoint.c:360
 tracepoint_probe_register_prio kernel/tracepoint.c:513 [inline]
 tracepoint_probe_register+0x5a/0x90 kernel/tracepoint.c:533
 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline]
 perf_trace_event_init+0x41e/0x940 kernel/trace/trace_event_perf.c:202
 perf_trace_init+0x234/0x2d0 kernel/trace/trace_event_perf.c:226
 perf_tp_event_init+0x89/0x110 kernel/events/core.c:10119
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11634
 perf_init_event kernel/events/core.c:11698 [inline]
 perf_event_alloc+0xea0/0x21e0 kernel/events/core.c:11990
 __do_sys_perf_event_open kernel/events/core.c:12526 [inline]
 __se_sys_perf_event_open+0x701/0x1ec0 kernel/events/core.c:12418
 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: 0033:0x7fca0139e019
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:00007fca021b4028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fca01625fa0 RCX: 00007fca0139e019
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007fca0143500c R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fca01626038 R14: 00007fca01625fa0 R15: 00007ffcdc114a38
 </TASK>