rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2688 jiffies s: 38965 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: 22011 Comm: syz.0.7435 Not tainted 6.1.131-syzkaller-00110-g344a09659766 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__lock_release kernel/locking/lockdep.c:5323 [inline]
RIP: 0010:lock_release+0x206/0xa20 kernel/locking/lockdep.c:5682
Code: 8b 74 24 10 0f 85 6e 05 00 00 83 3d 87 0d 36 0d 00 0f 84 c4 03 00 00 49 8d 96 d8 0a 00 00 48 89 d0 48 c1 e8 03 48 89 44 24 40 <42> 0f b6 04 38 84 c0 0f 85 67 05 00 00 8b 02 85 c0 0f 84 32 02 00
RSP: 0000:ffffc90004af6d60 EFLAGS: 00000802
RAX: 1ffff1100e885513 RBX: 1ffff9200095edbc RCX: ffffc90004af6d03
RDX: ffff88807442a898 RSI: ffffffff8b0c2a40 RDI: ffffffff8b5f7000
RBP: ffffc90004af6e90 R08: dffffc0000000000 R09: fffffbfff1d4168e
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200095edb8
R13: 0000000000000046 R14: ffff888074429dc0 R15: dffffc0000000000
FS:  00007f0bcefff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000000021c0 CR3: 000000005484b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 __perf_output_begin kernel/events/ring_buffer.c:262 [inline]
 perf_output_begin_forward+0x77e/0xaf0 kernel/events/ring_buffer.c:271
 __perf_event_output kernel/events/core.c:7709 [inline]
 perf_event_output_forward+0x1e5/0x330 kernel/events/core.c:7727
 __perf_event_overflow+0x45e/0x640 kernel/events/core.c:9473
 perf_swevent_overflow kernel/events/core.c:9549 [inline]
 perf_swevent_event+0x4c5/0x550 kernel/events/core.c:9587
 perf_tp_event+0x35a/0xc80 kernel/events/core.c:10006
 perf_trace_run_bpf_submit+0xf7/0x1d0 kernel/events/core.c:9979
 perf_trace_preemptirq_template+0x2d1/0x3d0 include/trace/events/preemptirq.h:14
 trace_irq_enable_rcuidle+0xd5/0x140 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+0x84/0x540 kernel/rcu/tree_plugin.h:682
Code: f1 f1 f1 00 f2 f2 f2 49 89 04 17 66 41 c7 44 17 09 f3 f3 41 c6 44 17 0b f3 65 44 8b 25 2d 0a 8e 7e 41 f7 c4 00 00 f0 00 74 45 <48> c7 44 24 20 0e 36 e0 45 4a c7 04 3a 00 00 00 00 66 42 c7 44 3a
RSP: 0000:ffffc90004af76e0 EFLAGS: 00000206
RAX: 272e44bcbce91500 RBX: 1ffff9200095eee4 RCX: ffffffff816b249a
RDX: dffffc0000000000 RSI: ffffffff8b0c1d60 RDI: ffffffff8b5f7000
RBP: ffffc90004af77b8 R08: dffffc0000000000 R09: fffffbfff225726d
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8d333500
R13: ffff88807442a218 R14: ffffc90004af7720 R15: 1ffff9200095eee0
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 ndisc_send_skb+0xdb6/0x15f0 net/ipv6/ndisc.c:521
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3982
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578
 __do_softirq kernel/softirq.c:612 [inline]
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:661
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0033:0x7f0bcf18d169
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:00007f0bcefff0e8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 00007f0bcf3a5fa8 RCX: 00007f0bcf18d169
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f0bcf3a5fac
RBP: 00007f0bcf3a5fa0 R08: 0000000000000010 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f0bcf3a5fac
R13: 0000000000000000 R14: 00007ffd0e8b0540 R15: 00007ffd0e8b0628
 </TASK>