rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (2 ticks this GP) idle=def/1/0x4000000000000002 softirq=32182/32182 fqs=5241 
	(detected by 1, t=10502 jiffies, g=44773, q=1475)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:div64_u64 include/linux/math64.h:69 [inline]
RIP: 0010:perf_swevent_set_period kernel/events/core.c:9568 [inline]
RIP: 0010:perf_swevent_overflow kernel/events/core.c:9585 [inline]
RIP: 0010:perf_swevent_event+0x401/0x540 kernel/events/core.c:9629
Code: 00 74 08 4c 89 ef e8 0e b0 25 00 49 8b 5d 00 31 ff 48 89 de e8 a0 8f e0 ff 48 85 db 78 3a 4c 8d 34 2b 4c 89 f0 31 d2 48 f7 f5 <49> 89 c4 48 0f af c5 49 89 df 49 29 c7 4c 89 ef be 08 00 00 00 e8
RSP: 0018:ffffc90000007268 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff88813fe29dc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000005 R08: ffff88807a53f95f R09: 1ffff1100f4a7f2b
R10: dffffc0000000000 R11: ffffed100f4a7f2c R12: 0000000000000001
R13: ffff88807a53f958 R14: 0000000000000005 R15: 0000000000000005
FS:  0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f31395a9d58 CR3: 000000000c08e000 CR4: 00000000003506f0
DR0: 0000000000000004 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10047
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10021
 perf_trace_preemptirq_template+0x2aa/0x360 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+0x7f/0x4a0 kernel/rcu/tree_plugin.h:674
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 02 20 9d 7e 41 f7 c6 00 00 f0 00 74 40 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 2b 00 00 00 00 42 c7 44 2b 08
RSP: 0018:ffffc90000007780 EFLAGS: 00000206
RAX: dd7ef5c053e76d00 RBX: 1ffff92000000ef4 RCX: dd7ef5c053e76d00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a7a4280
RBP: ffffc90000007860 R08: ffffffff901ef1c7 R09: 1ffffffff203de38
R10: dffffc0000000000 R11: fffffbfff203de39 R12: ffffffff8c323400
R13: dffffc0000000000 R14: 0000000000000246 R15: 0000000000000001
 __rcu_read_unlock+0x78/0xd0 kernel/rcu/tree_plugin.h:422
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 ndisc_send_skb+0xd39/0x1410 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3966
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x56c/0x810 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x336/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 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:run_ksoftirqd+0xb1/0x100 kernel/softirq.c:945
Code: 8a e8 03 54 77 08 65 66 8b 05 4b 47 ba 7e 66 85 c0 74 2a bf 01 00 00 00 e8 bc d7 ff ff e8 f7 d1 35 00 fb 48 c7 c7 60 13 2a 8a <be> b1 03 00 00 31 d2 e8 b3 8b 0a 00 2e 2e 2e 31 c0 eb 06 e8 d7 d1
RSP: 0018:ffffc90000d37de0 EFLAGS: 00000282
RAX: dd7ef5c053e76d00 RBX: 1ffff920001a6fbc RCX: dd7ef5c053e76d00
RDX: dffffc0000000000 RSI: ffffffff8a2b2be0 RDI: ffffffff8a2a1360
RBP: ffffc90000d37e68 R08: ffff8880b903b30b R09: 1ffff11017207661
R10: dffffc0000000000 R11: ffffed1017207662 R12: ffff88813fe29dd8
R13: ffff88813fe2b540 R14: dffffc0000000000 R15: ffffffff81495120
 smpboot_thread_fn+0x520/0x990 kernel/smpboot.c:164
 kthread+0x42e/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>