watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ksoftirqd/0:14]
Modules linked in:
irq event stamp: 2303793
hardirqs last  enabled at (2303792): [<ffff80001194c730>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (2303792): [<ffff80001194c730>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (2303793): [<ffff80001194c978>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (2298112): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (2298112): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (2298117): [<ffff8000081b7e98>] run_ksoftirqd+0x68/0x258 kernel/softirq.c:920
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.115-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 : __list_add include/linux/list.h:70 [inline]
pc : list_add_tail include/linux/list.h:100 [inline]
pc : list_move_tail include/linux/list.h:228 [inline]
pc : fq_pie_qdisc_dequeue+0x3d8/0x874 net/sched/sch_fq_pie.c:248
lr : __list_add include/linux/list.h:70 [inline]
lr : list_add_tail include/linux/list.h:100 [inline]
lr : list_move_tail include/linux/list.h:228 [inline]
lr : fq_pie_qdisc_dequeue+0x3d0/0x874 net/sched/sch_fq_pie.c:248
sp : ffff800018926f90
x29: ffff800018927000 x28: ffff00011d0e9e40 x27: 1fffe00023a1d3c6
x26: dfff800000000000 x25: ffff00011ac6bae8 x24: ffff00011ac6baf0
x23: ffff00011d0e9e30 x22: ffff00011ac6bae0 x21: ffff00011ac6bae0
x20: ffff00011ac6bae8 x19: ffff00011ac6bae0 x18: 0000000000000501
x17: ff8080000ff51148 x16: 0000000000000000 x15: ffff80000ff51148
x14: 0000000000000001 x13: ffffffffffffffff x12: 0000000000000100
x11: ff808000100975ec x10: 0000000000000000 x9 : ffff8000100975ec
x8 : 0000000000000000 x7 : ffff80000fd8ab98 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff00011ac6bae0 x1 : ffff00011ac6bae0 x0 : 0000000000000001
Call trace:
 __list_add include/linux/list.h:70 [inline]
 list_add_tail include/linux/list.h:100 [inline]
 list_move_tail include/linux/list.h:228 [inline]
 fq_pie_qdisc_dequeue+0x3d8/0x874 net/sched/sch_fq_pie.c:248
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1ec/0x1fc0 net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3879 [inline]
 __dev_queue_xmit+0x1068/0x2a6c net/core/dev.c:4190
 dev_queue_xmit+0x24/0x34 net/core/dev.c:4258
 neigh_connected_output+0x334/0x378 net/core/neighbour.c:1553
 neigh_output include/net/neighbour.h:516 [inline]
 ip6_finish_output2+0x1344/0x1c48 net/ipv6/ip6_output.c:126
 __ip6_finish_output+0x518/0x67c net/ipv6/ip6_output.c:191
 ip6_finish_output+0x40/0x218 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:449 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 ndisc_send_skb+0xbf8/0x1788 net/ipv6/ndisc.c:508
 ndisc_send_rs+0x494/0x5fc net/ipv6/ndisc.c:702
 addrconf_rs_timer+0x308/0x5a8 net/ipv6/addrconf.c:3932
 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1737
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1750
 __do_softirq+0x344/0xe20 kernel/softirq.c:558
 run_ksoftirqd+0x68/0x258 kernel/softirq.c:920
 smpboot_thread_fn+0x4b0/0x920 kernel/smpboot.c:164
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870