rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2628 jiffies s: 126317 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: 31082 Comm: syz.2.8240 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:trace_call_bpf+0x11/0x6b0 kernel/trace/bpf_trace.c:103
Code: 89 fe e8 82 56 f6 ff 4c 89 f7 48 89 de 5b 41 5e e9 44 62 00 00 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 <48> 81 ec c0 00 00 00 48 89 74 24 20 49 89 fc 65 48 8b 04 25 28 00
RSP: 0018:ffffc900001e0840 EFLAGS: 00000082
RAX: 1ffffd1ffffbba00 RBX: ffffffff8cb7fca0 RCX: ffff8880277cbb80
RDX: 0000000000000100 RSI: ffffe8ffffddd000 RDI: ffffffff8cb7fc20
RBP: ffffc900001e0878 R08: 0000000000000001 R09: ffff8880b8f35558
R10: dffffc0000000000 R11: ffffed10171e6b02 R12: ffffe8ffffddd000
R13: ffffffff8cb7fc20 R14: ffff8880b8f35558 R15: dffffc0000000000
FS:  00007fcd514286c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c293f40 CR3: 00000000599d0000 CR4: 00000000003506e0
DR0: 0000200000000300 DR1: 0000000000008d24 DR2: 0000000000000000
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:9997
 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+0x0/0x510 kernel/rcu/tree_plugin.h:630
Code: d6 22 66 00 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 94 49 89 fd 4c 89 f7 e8 bc 22 66 00 4c 89 ef eb 84 0f 1f 80 00 00 00 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 00
RSP: 0018:ffffc900001e0ab8 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffff8880277cbfbc RCX: ffff8880277cbb80
RDX: 0000000000000100 RSI: ffffffff8adf0f40 RDI: ffff8880277cbb80
RBP: ffff8880574cd500 R08: ffffffff90af632f R09: 1ffffffff215ec65
R10: dffffc0000000000 R11: fffffbfff215ec66 R12: 1ffff11004ef97f7
R13: ffff8880796b7add R14: ffff8880277cbfc0 R15: dffffc0000000000
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 igmpv3_send_cr net/ipv4/igmp.c:719 [inline]
 igmp_ifc_timer_expire+0xb91/0xdd0 net/ipv4/igmp.c:813
 call_timer_fn+0x1ac/0x670 kernel/time/timer.c:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x53e/0x800 kernel/time/timer.c:2023
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
 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:csd_lock_wait kernel/smp.c:424 [inline]
RIP: 0010:smp_call_function_many_cond+0xea2/0x1290 kernel/smp.c:998
Code: 00 00 00 41 8b 1f 89 de 83 e6 01 31 ff e8 16 f5 0a 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 a2 f1 0a 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 07 01 00 00 00 74 1e e8 87 f1 0a
RSP: 0018:ffffc9000d1777e0 EFLAGS: 00000283
RAX: ffffffff81778129 RBX: dffffc0000000000 RCX: 0000000000080000
RDX: ffffc90003d69000 RSI: 0000000000008706 RDI: 0000000000008707
RBP: ffffc9000d177940 R08: ffffffff90af6247 R09: 1ffffffff215ec48
R10: dffffc0000000000 R11: fffffbfff215ec49 R12: 1ffff110171c8601
R13: ffff8880b8f3bbc0 R14: 0000000000000000 R15: ffff8880b8e43008
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1165
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1574 [inline]
 text_poke_bp_batch+0x2b7/0x850 arch/x86/kernel/alternative.c:1774
 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_enable_cpuslocked+0x11f/0x240 kernel/jump_label.c:207
 static_key_enable+0x16/0x20 kernel/jump_label.c:220
 tracepoint_add_func+0x907/0x990 kernel/tracepoint.c:361
 tracepoint_probe_register_prio kernel/tracepoint.c:511 [inline]
 tracepoint_probe_register+0x5a/0x90 kernel/tracepoint.c:531
 perf_trace_event_reg kernel/trace/trace_event_perf.c:129 [inline]
 perf_trace_event_init+0x420/0x940 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:10084
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11594
 perf_init_event kernel/events/core.c:11658 [inline]
 perf_event_alloc+0xf5c/0x21b0 kernel/events/core.c:11950
 __do_sys_perf_event_open kernel/events/core.c:12486 [inline]
 __se_sys_perf_event_open+0x6fd/0x1ec0 kernel/events/core.c:12378
 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: 0033:0x7fcd5059c799
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:00007fcd51428028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fcd50815fa0 RCX: 00007fcd5059c799
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000080
RBP: 00007fcd50632c99 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcd50816038 R14: 00007fcd50815fa0 R15: 00007ffc6ebe8e08
 </TASK>