watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [ksoftirqd/0:15]
Modules linked in:
irq event stamp: 2829669
hardirqs last  enabled at (2829668): [<ffff8000120fb1c0>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (2829668): [<ffff8000120fb1c0>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (2829669): [<ffff8000120f8e9c>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (2829669): [<ffff8000120f8e9c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (2824202): [<ffff800008020d74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (2824202): [<ffff800008020d74>] __do_softirq+0xc14/0xea0 kernel/softirq.c:600
softirqs last disabled at (2824207): [<ffff8000081cad80>] run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.31-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : fq_pie_qdisc_dequeue+0xf0/0x8ac net/sched/sch_fq_pie.c:244
lr : fq_pie_qdisc_dequeue+0xe4/0x8ac net/sched/sch_fq_pie.c:240
sp : ffff800019be6f80
x29: ffff800019be6ff0 x28: ffff00012ac2d4f0 x27: ffff0000d40b8ae8
x26: ffff0000d40b8af0 x25: dfff800000000000 x24: ffff0000d40b8ae0
x23: ffff00012ac2d4e0 x22: 0000000000000040 x21: ffff0000d40b8ae0
x20: ffff0000d40b8ae0 x19: ffff0000d40b8ae0 x18: ffff800019be6c40
x17: 0000000000000000 x16: ffff8000084fa384 x15: 0000000000000100
x14: 0000000000000000 x13: 0000000000000001 x12: ffff0000c09a3780
x11: ff808000107105e0 x10: 0000000000000000 x9 : ffff8000107105e0
x8 : 0000000000000000 x7 : ffff80000840686c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000d40b8ae0 x1 : ffff0000d40b8ae0 x0 : 0000000000000001
Call trace:
 fq_pie_qdisc_dequeue+0xf0/0x8ac net/sched/sch_fq_pie.c:244
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x204/0x239c net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3885 [inline]
 __dev_queue_xmit+0xe14/0x38d8 net/core/dev.c:4227
 dev_queue_xmit include/linux/netdevice.h:3018 [inline]
 neigh_connected_output+0x2f8/0x38c net/core/neighbour.c:1612
 neigh_output include/net/neighbour.h:546 [inline]
 ip6_finish_output2+0xdb4/0x1a98 net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x538/0x8c8 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xc30/0x1790 net/ipv6/ndisc.c:508
 ndisc_send_rs+0x47c/0x5d4 net/ipv6/ndisc.c:718
 addrconf_rs_timer+0x300/0x58c net/ipv6/addrconf.c:3936
 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1790
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1803
 __do_softirq+0x30c/0xea0 kernel/softirq.c:571
 run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
 smpboot_thread_fn+0x4b0/0x96c kernel/smpboot.c:164
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860