rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2654 jiffies s: 128053 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 20274 Comm: syz.3.4381 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:do_raw_spin_lock+0x45/0x280 kernel/locking/spinlock_debug.c:113
Code: 65 48 8b 04 25 28 00 00 00 48 89 44 24 60 49 bf 00 00 00 00 00 fc ff df 48 c7 44 24 20 b3 8a b5 41 48 c7 44 24 28 17 d6 52 8c <48> c7 44 24 30 e0 34 64 81 48 8d 4c 24 20 48 c1 e9 03 48 b8 f1 f1
RSP: 0018:ffffc90000006e20 EFLAGS: 00000082
RAX: 271a76f871282800 RBX: ffff8880b8e2a580 RCX: 271a76f871282800
RDX: 0000000000000000 RSI: ffffffff8a8c1680 RDI: ffff8880b8e2a580
RBP: ffffc90000006ed0 R08: dffffc0000000000 R09: fffffbfff215c44a
R10: fffffbfff215c44a R11: 1ffffffff215c449 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000802 R15: dffffc0000000000
FS:  00007f8960a9b6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c24e640 CR3: 0000000072c40000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0xb0/0xf0 kernel/locking/spinlock.c:162
 hrtimer_interrupt+0xf8/0x9c0 kernel/time/hrtimer.c:1854
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__in6_dev_get include/net/addrconf.h:323 [inline]
RIP: 0010:ip6_ignore_linkdown include/net/addrconf.h:414 [inline]
RIP: 0010:find_match+0xb5/0xc80 net/ipv6/route.c:784
Code: df e8 6f f7 ef f8 48 89 d8 bb 40 03 00 00 48 03 18 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 4e f7 ef f8 48 8b 1b <e8> 26 70 36 01 41 89 c4 31 ff 89 c6 e8 5a d9 9f f8 45 85 e4 74 1a
RSP: 0018:ffffc900000071a0 EFLAGS: 00000246
RAX: 1ffff1100b0dfc68 RBX: ffff888058e1a000 RCX: 0000000000000100
RDX: ffff88804d3f1dc0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff1100f47d895 R08: ffffc900000074a0 R09: ffffc900000074b0
R10: fffff52000000e62 R11: 1ffff92000000e60 R12: dffffc0000000000
R13: 0000000000000003 R14: 1ffff1100f47d897 R15: ffff88807a3ec4bf
 __find_rr_leaf+0x237/0x6c0 net/ipv6/route.c:872
 find_rr_leaf net/ipv6/route.c:893 [inline]
 rt6_select net/ipv6/route.c:937 [inline]
 fib6_table_lookup+0x39c/0xa70 net/ipv6/route.c:2223
 ip6_pol_route+0x238/0x1260 net/ipv6/route.c:2259
 pol_lookup_func include/net/ip6_fib.h:579 [inline]
 fib6_rule_lookup+0x1d3/0x570 net/ipv6/fib6_rules.c:116
 ip6_route_input_lookup net/ipv6/route.c:2328 [inline]
 ip6_route_input+0x6bf/0xa40 net/ipv6/route.c:2624
 ip6_rcv_finish+0x13f/0x230 net/ipv6/ip6_input.c:77
 NF_HOOK+0x2ff/0x390 include/linux/netfilter.h:302
 __netif_receive_skb_one_core net/core/dev.c:5581 [inline]
 __netif_receive_skb+0xcc/0x290 net/core/dev.c:5695
 process_backlog+0x37c/0x6e0 net/core/dev.c:6023
 __napi_poll+0xc0/0x460 net/core/dev.c:6590
 napi_poll net/core/dev.c:6657 [inline]
 net_rx_action+0x5b1/0xad0 net/core/dev.c:6771
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 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:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:215
Code: 00 00 00 00 00 90 53 48 89 fb e8 17 00 00 00 48 8b 3d 30 a9 9e 0c 48 89 de 5b e9 37 58 4f 00 00 00 cc cc 00 00 cc 48 8b 04 24 <65> 48 8b 0d 44 a0 81 7e 65 8b 15 45 a0 81 7e 81 e2 00 01 ff 00 74
RSP: 0018:ffffc90003a47768 EFLAGS: 00000282
RAX: ffffffff840409fe RBX: 0000000000000002 RCX: 0000000000000002
RDX: ffffffff8e1f75e8 RSI: ffffffff8e1f75e8 RDI: ffff8880b8e3bb88
RBP: ffffc90003a47940 R08: dffffc0000000000 R09: fffffbfff1c3eebe
R10: fffffbfff1c3eebe R11: 1ffffffff1c3eebd R12: ffffffff8e1f75e8
R13: 0000000000000002 R14: ffffffff8c5e4980 R15: dffffc0000000000
 __bitmap_and+0x2e/0x330 lib/bitmap.c:242
 bitmap_and include/linux/bitmap.h:337 [inline]
 cpumask_and include/linux/cpumask.h:505 [inline]
 smp_call_function_many_cond+0x470/0x1270 kernel/smp.c:938
 on_each_cpu_cond_mask+0x3b/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1574 [inline]
 text_poke_bp_batch+0x541/0x7d0 arch/x86/kernel/alternative.c:1836
 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+0x83b/0x9a0 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+0x6cd/0x1e60 kernel/events/core.c:12378
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f895fb8ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8960a9b038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f895fdd5fa0 RCX: 00007f895fb8ec29
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000000
RBP: 00007f895fc11e41 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f895fdd6038 R14: 00007f895fdd5fa0 R15: 00007ffd8118ccf8
 </TASK>