watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:8:9424]
Modules linked in:
irq event stamp: 142731
hardirqs last  enabled at (142730): [<ffff80008a4321bc>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (142730): [<ffff80008a4321bc>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (142731): [<ffff80008a42fdf4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (142731): [<ffff80008a42fdf4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (132726): [<ffff800085b5818c>] spin_unlock_bh include/linux/spinlock.h:395 [inline]
softirqs last  enabled at (132726): [<ffff800085b5818c>] nsim_dev_trap_report drivers/net/netdevsim/dev.c:823 [inline]
softirqs last  enabled at (132726): [<ffff800085b5818c>] nsim_dev_trap_report_work+0x620/0x924 drivers/net/netdevsim/dev.c:853
softirqs last disabled at (135633): [<ffff80008002b660>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 1 PID: 9424 Comm: kworker/1:8 Not tainted 6.4.0-rc4-syzkaller-g908f31f2a05b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Workqueue: rcu_gp process_srcu
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __list_add_valid+0x6c/0x110 lib/list_debug.c:30
lr : __list_add include/linux/list.h:69 [inline]
lr : list_add_tail include/linux/list.h:102 [inline]
lr : list_move_tail include/linux/list.h:230 [inline]
lr : fq_pie_qdisc_dequeue+0x3cc/0x8ac net/sched/sch_fq_pie.c:248
sp : ffff8000800171d0
x29: ffff8000800171d0 x28: ffff000123217ba0 x27: ffff0000d34f3ae8
x26: ffff0000d34f3af0 x25: dfff800000000000 x24: ffff0000d34f3ae0
x23: dfff800000000000 x22: ffff0000d34f3ae8 x21: ffff000123217ba0
x20: ffff0000d34f3ae0 x19: ffff0000d34f3ae0 x18: ffff800080016e40
x17: 0000000000000000 x16: ffff80008050b9f0 x15: 0000000000000301
x14: 0000000000000100 x13: 0000000000000000 x12: 0000000000000001
x11: 0000000000000301 x10: 0000000000000100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff80008041ceec x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000d34f3ae0 x1 : ffff0000d34f3ae0 x0 : ffff000123217ba0
Call trace:
 __list_add_valid+0x6c/0x110 lib/list_debug.c:30
 __list_add include/linux/list.h:69 [inline]
 list_add_tail include/linux/list.h:102 [inline]
 list_move_tail include/linux/list.h:230 [inline]
 fq_pie_qdisc_dequeue+0x3cc/0x8ac 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+0x1fc/0x231c net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3868 [inline]
 __dev_queue_xmit+0xc80/0x3318 net/core/dev.c:4210
 dev_queue_xmit include/linux/netdevice.h:3085 [inline]
 neigh_connected_output+0x2f8/0x38c net/core/neighbour.c:1581
 neigh_output include/net/neighbour.h:544 [inline]
 ip6_finish_output2+0xd60/0x1a1c 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:292 [inline]
 ip6_output+0x270/0x594 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK include/linux/netfilter.h:303 [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+0x19c/0x8cc kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x55c/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:571
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:650
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:662
 __el1_irq arch/arm64/kernel/entry-common.c:474 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:488
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:493
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __arch_counter_get_cntvct arch/arm64/include/asm/arch_timer.h:214 [inline]
 arch_counter_get_cntvct+0x24/0x30 drivers/clocksource/arm_arch_timer.c:211
 __delay+0x1e4/0x2bc arch/arm64/lib/delay.c:48
 __const_udelay arch/arm64/lib/delay.c:55 [inline]
 __udelay+0x60/0x70 arch/arm64/lib/delay.c:61
 try_check_zero+0x3a4/0x3f8 kernel/rcu/srcutree.c:1091
 srcu_advance_state kernel/rcu/srcutree.c:1666 [inline]
 process_srcu+0x220/0x1104 kernel/rcu/srcutree.c:1769
 process_one_work+0x788/0x12d4 kernel/workqueue.c:2405
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2552
 kthread+0x288/0x310 kernel/kthread.c:379
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853