rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2687 jiffies s: 1565 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: 4450 Comm: syz.4.47 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1828
Code: 08 42 0f b6 04 30 84 c0 0f 85 c0 01 00 00 41 80 65 4c fd 4c 89 ef 48 8b 74 24 20 e8 f4 7a 42 09 4c 89 e7 31 f6 e8 4a b5 03 00 <89> c3 31 ff 89 c6 e8 8f dd 10 00 85 db 0f 84 0d 02 00 00 4d 89 fc
RSP: 0018:ffffc900000072b0 EFLAGS: 00000006
RAX: 0000000000000000 RBX: ffff8880b8e2a520 RCX: ffff888019f13b80
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff8880b8e2a6a8 R08: ffffffff817ce0d0 R09: fffffbfff1d35ef6
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000001ff7e2171a
R13: ffff8880b8e2a4c0 R14: dffffc0000000000 R15: ffff8880b8e2a8a8
FS:  00007efc71e666c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002001f4c0 CR3: 000000001e729000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x158/0x5b0 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:nf_conntrack_handle_icmp+0x45/0x17b net/netfilter/nf_conntrack_core.c:1907
Code: 24 08 49 89 fc 48 bd 00 00 00 00 00 fc ff df e8 6e 24 d9 f6 49 8d 5d 01 48 89 d8 48 c1 e8 03 8a 04 28 84 c0 0f 85 1c 01 00 00 <44> 8a 33 41 0f b6 de bf 02 00 00 00 89 de e8 a5 26 d9 f6 41 0f b6
RSP: 0018:ffffc900000074b8 EFLAGS: 00000246
RAX: 1ffff92000000f00 RBX: ffffc90000007961 RCX: ffff888019f13b80
RDX: 0000000000000100 RSI: ffff88807617a000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffc90000007960 R09: ffffffff88ea00e2
R10: 0000000000000002 R11: ffff888019f13b80 R12: 0000000000000000
R13: ffffc90000007960 R14: ffff88807617a068 R15: 000000000000003a
 nf_conntrack_in+0x183c/0x1d10 net/netfilter/nf_conntrack_core.c:2006
 nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
 nf_hook_slow+0xae/0x1e0 net/netfilter/core.c:614
 nf_hook include/linux/netfilter.h:257 [inline]
 NF_HOOK include/linux/netfilter.h:300 [inline]
 ndisc_send_skb+0x1388/0x14e0 net/ipv6/ndisc.c:511
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 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:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 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:finish_task_switch+0x1d3/0x810 kernel/sched/core.c:5120
Code: 38 0b 00 48 83 c4 08 4c 89 f7 e8 68 31 00 00 0f 1f 44 00 00 4c 89 f7 e8 5b d3 5c 09 e8 66 f3 31 00 fb 49 8d bc 24 f8 15 00 00 <48> 89 f8 48 c1 e8 03 49 bd 00 00 00 00 00 fc ff df 42 0f b6 04 28
RSP: 0018:ffffc900047ff788 EFLAGS: 00000282
RAX: 2ee180b86b5e9200 RBX: ffff88802b3bbbb4 RCX: ffffffff97353103
RDX: dffffc0000000000 RSI: ffffffff8b0c01c0 RDI: ffff888019f15178
RBP: ffffc900047ff7d0 R08: dffffc0000000000 R09: ffffed10171c7539
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888019f13b80
R13: 1ffff110171c76e3 R14: ffff8880b8e3a9c0 R15: ffff8880b8e3b718
 context_switch kernel/sched/core.c:5244 [inline]
 __schedule+0x1447/0x4570 kernel/sched/core.c:6558
 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6727
 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6751
 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34
 try_to_wake_up+0x87e/0x12e0 kernel/sched/core.c:4230
 wake_up_process kernel/sched/core.c:4358 [inline]
 wake_up_q+0x8b/0xd0 kernel/sched/core.c:1006
 futex_wake+0x4ea/0x590 kernel/futex/waitwake.c:184
 do_futex+0x375/0x490 kernel/futex/syscalls.c:111
 __do_sys_futex kernel/futex/syscalls.c:183 [inline]
 __se_sys_futex+0x3d7/0x460 kernel/futex/syscalls.c:164
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7efc70f80809
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:00007efc71e660e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007efc71145fa8 RCX: 00007efc70f80809
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007efc71145fac
RBP: 00007efc71145fa0 R08: 0000000000000010 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007efc71145fac
R13: 0000000000000000 R14: 00007ffc0693afd0 R15: 00007ffc0693b0b8
 </TASK>