rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-....: (1 GPs behind) idle=e45/1/0x4000000000000002 softirq=61848/61849 fqs=5243 
	(detected by 1, t=10502 jiffies, g=83445, q=2094)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26082 Comm: syz.0.6932 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:134 [inline]
RIP: 0010:lock_is_held_type+0x11e/0x190 kernel/locking/lockdep.c:5810
Code: 48 c7 c7 00 3e 2b 8a e8 30 0e 00 00 b8 ff ff ff ff 65 0f c1 05 73 ea 38 76 83 f8 01 75 40 48 c7 04 24 00 00 00 00 9c 8f 04 24 <f7> 04 24 00 02 00 00 75 46 41 f7 c5 00 02 00 00 74 01 fb 65 48 8b
RSP: 0018:ffffc90000006f70 EFLAGS: 00000046
RAX: 0000000000000001 RBX: ffff88803eee5940 RCX: 63c0d4183aa70900
RDX: 0000000000000100 RSI: ffffffff8a2b3e00 RDI: ffffffff8a7a5100
RBP: 0000000000000001 R08: ffffc90000007157 R09: ffffc90000007120
R10: dffffc0000000000 R11: fffff52000000e2b R12: 0000000000000003
R13: 0000000000000046 R14: ffffffff8d11efa0 R15: ffff88803eee64a8
FS:  00007f48647816c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8368990230 CR3: 000000001e072000 CR4: 00000000003506f0
DR0: 0000000000000004 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 perf_get_guest_cbs include/linux/perf_event.h:1274 [inline]
 perf_misc_flags+0x56/0x1b0 arch/x86/events/core.c:2961
 perf_prepare_sample+0x132/0x1cb0 kernel/events/core.c:7634
 __perf_event_output kernel/events/core.c:7814 [inline]
 perf_event_output_forward+0x185/0x2e0 kernel/events/core.c:7834
 __perf_event_overflow+0x35f/0x550 kernel/events/core.c:9527
 perf_swevent_overflow kernel/events/core.c:9603 [inline]
 perf_swevent_event+0x4b8/0x540 kernel/events/core.c:9641
 perf_tp_event+0x324/0xbe0 kernel/events/core.c:10059
 perf_trace_run_bpf_submit+0xf3/0x1c0 kernel/events/core.c:10033
 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 d2 f6 9c 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: 63c0d4183aa70900 RBX: 1ffff92000000ef4 RCX: 63c0d4183aa70900
RDX: dffffc0000000000 RSI: ffffffff8a2b2b60 RDI: ffffffff8a7a5100
RBP: ffffc90000007860 R08: ffffffff910471c7 R09: 1ffffffff2208e38
R10: dffffc0000000000 R11: fffffbfff2208e39 R12: ffffffff8d123400
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+0xd3b/0x1410 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x367/0x640 net/ipv6/addrconf.c:3974
 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:preempt_schedule+0x0/0xd0 kernel/sched/core.c:6588
Code: f7 eb a2 0f 1f 80 00 00 00 00 bf 01 00 00 00 e8 36 88 80 f7 e8 81 fd ff ff bf 01 00 00 00 e8 97 86 80 f7 c3 66 0f 1f 44 00 00 <55> 48 89 e5 41 56 53 48 83 e4 e0 48 83 ec 60 65 48 8b 04 25 28 00
RSP: 0018:ffffc90003c9fae0 EFLAGS: 00000287
RAX: ffffffff816da366 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90004db1000 RSI: 0000000000009be0 RDI: 0000000000009be1
RBP: ffffc90003c9fb30 R08: ffffffff910471d7 R09: 1ffffffff2208e3a
R10: dffffc0000000000 R11: fffffbfff2208e3b R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: 1ffff92000793f6c
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 smp_call_function_single+0x42b/0x4c0 kernel/smp.c:760
 task_function_call kernel/events/core.c:120 [inline]
 perf_install_in_context+0x5cf/0x930 kernel/events/core.c:3026
 __do_sys_perf_event_open kernel/events/core.c:12805 [inline]
 __se_sys_perf_event_open+0x12b0/0x1bb0 kernel/events/core.c:12399
 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: 0033:0x7f486652ab19
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:00007f4864781028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007f48667b0fa0 RCX: 00007f486652ab19
RDX: fffeffffffffffff RSI: 0000000000000000 RDI: 0000200000000440
RBP: 00007f48665c2af8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f48667b1038 R14: 00007f48667b0fa0 R15: 00007ffcfafead08
 </TASK>