rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (6 ticks this GP) idle=29f/1/0x4000000000000002 softirq=27965/27965 fqs=5250 
	(detected by 1, t=10502 jiffies, g=38589, q=665)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 10371 Comm: syz.7.1246 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:perf_event_output_forward+0x222/0x280 kernel/events/core.c:7823
Code: 01 48 c7 c7 e0 a8 12 8a be 01 03 00 00 48 c7 c2 80 a9 12 8a e8 cf 1c 08 08 e8 0a f2 cd ff 48 c7 c7 60 c6 11 8c e8 7e 49 02 00 <48> c7 44 24 20 0e 36 e0 45 48 b8 00 00 00 00 00 fc ff df 41 c7 44
RSP: 0018:ffffc90000007140 EFLAGS: 00000046
RAX: ddf0acc44558a900 RBX: 0000000000000001 RCX: ddf0acc44558a900
RDX: 0000000000000006 RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a4c0
RBP: ffffc90000007250 R08: dffffc0000000000 R09: fffffbfff1ad32b6
R10: fffffbfff1ad32b6 R11: 1ffffffff1ad32b5 R12: 00000000ffffffe4
R13: 1ffff92000000e2c R14: ffffc90000007180 R15: ffffc90000007340
FS:  00007f82154c76c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c29d4ed CR3: 000000005d317000 CR4: 00000000003506f0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __perf_event_overflow+0x364/0x530 kernel/events/core.c:9515
 perf_tp_event+0x32c/0xb50 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2be/0x380 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0x108/0x180 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+0x84/0x480 kernel/rcu/tree_plugin.h:674
Code: f1 f1 f1 00 f2 f2 f2 4a 89 04 2b 66 42 c7 44 2b 09 f3 f3 42 c6 44 2b 0b f3 65 44 8b 35 ad 13 9e 7e 41 f7 c6 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 66 42 c7 44 2b
RSP: 0018:ffffc900000077a0 EFLAGS: 00000206
RAX: ddf0acc44558a900 RBX: 1ffff92000000ef8 RCX: ddf0acc44558a900
RDX: dffffc0000000000 RSI: ffffffff8a0b1820 RDI: ffffffff8a59a4c0
RBP: ffffc90000007880 R08: dffffc0000000000 R09: fffffbfff1ff7a39
R10: fffffbfff1ff7a39 R11: 1ffffffff1ff7a38 R12: ffffffff8c120b00
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:771 [inline]
 ndisc_send_skb+0xdc4/0x14a0 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x2b8/0x600 net/ipv6/addrconf.c:3956
 call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1767
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
 handle_softirqs+0x328/0x820 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x12f/0x220 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:perf_trace_lock+0xd5/0x370 include/trace/events/lock.h:-1
Code: 8a 48 0f 45 f8 e8 cb d3 a1 02 49 89 c5 49 8d 5f 78 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 6e 85 60 00 48 8b 03 <48> 89 44 24 10 e8 91 91 4d 08 89 c3 83 f8 08 0f 83 47 02 00 00 48
RSP: 0018:ffffc90002f8f420 EFLAGS: 00000246
RAX: 0000607f46c2af28 RBX: ffffffff8bfeb858 RCX: 000000008a0c1b05
RDX: ffffffff81819eb5 RSI: ffffffff8c11c660 RDI: ffffffff8a0c1be0
RBP: ffffc90002f8f510 R08: dffffc0000000000 R09: fffffbfff1ad32b6
R10: fffffbfff1ad32b6 R11: 1ffffffff1ad32b5 R12: dffffc0000000000
R13: 000000000000000d R14: dffffc0000000000 R15: ffffffff8bfeb7e0
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x823/0x870 kernel/locking/lockdep.c:5634
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 BPF_PROG_RUN_ARRAY include/linux/bpf.h:1444 [inline]
 trace_call_bpf+0x4f8/0x5a0 kernel/trace/bpf_trace.c:127
 perf_trace_run_bpf_submit+0x79/0x1c0 kernel/events/core.c:10016
 perf_trace_lock+0x2ec/0x370 include/trace/events/lock.h:39
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x823/0x870 kernel/locking/lockdep.c:5634
 __mutex_unlock_slowpath+0xb3/0x6a0 kernel/locking/mutex.c:851
 pcpu_alloc+0xea1/0x1770 mm/percpu.c:1875
 perf_trace_event_reg kernel/trace/trace_event_perf.c:107 [inline]
 perf_trace_event_init+0x237/0xa10 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:10102
 perf_try_init_event+0x12b/0x3d0 kernel/events/core.c:11601
 perf_init_event kernel/events/core.c:11665 [inline]
 perf_event_alloc+0xfcf/0x2240 kernel/events/core.c:11957
 __do_sys_perf_event_open kernel/events/core.c:12495 [inline]
 __se_sys_perf_event_open+0x6c5/0x1b80 kernel/events/core.c:12387
 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: 0033:0x7f821725fec9
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:00007f82154c7038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f82174b6fa0 RCX: 00007f821725fec9
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f82172e2f91 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f82174b7038 R14: 00007f82174b6fa0 R15: 00007ffc972be848
 </TASK>