watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [ksoftirqd/1:21]
Modules linked in:
irq event stamp: 1419533
hardirqs last  enabled at (1419532): [<ffff80008a439ebc>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (1419532): [<ffff80008a439ebc>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (1419533): [<ffff80008a437af4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (1419533): [<ffff80008a437af4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (1414418): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (1414418): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:600
softirqs last disabled at (1414423): [<ffff8000801d5700>] run_ksoftirqd+0x6c/0x158 kernel/softirq.c:939
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 6.4.0-rc5-syzkaller-g9ff7918643c1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : preempt_count arch/arm64/include/asm/preempt.h:13 [inline]
pc : check_kcov_mode kernel/kcov.c:173 [inline]
pc : __sanitizer_cov_trace_pc+0x34/0x7c kernel/kcov.c:207
lr : fq_pie_qdisc_dequeue+0xe4/0x8ac net/sched/sch_fq_pie.c:240
sp : ffff8000928a6fa0
x29: ffff8000928a7020 x28: ffff00011f042f90 x27: ffff0000d30dbae8
x26: ffff0000d30dbaf0 x25: dfff800000000000 x24: ffff0000d30dbae0
x23: ffff00011f042f80 x22: 0000000000000040 x21: ffff0000d30dbae0
x20: ffff00011f042f98 x19: ffff0000d30dbae0 x18: ffff8000928a6a80
x17: 0000000000000000 x16: ffff80008050c16c x15: 0000000000000301
x14: 0000000000000100 x13: 0000000000000000 x12: 0000000000000001
x11: 0000000000000301 x10: 0000000000000100 x9 : 0000000000000100
x8 : ffff0000c1b01bc0 x7 : ffff80008041c668 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000d30dbae0 x1 : ffff0000d30dbae0 x0 : 0000000000000001
Call trace:
 check_kcov_mode kernel/kcov.c:173 [inline]
 __sanitizer_cov_trace_pc+0x34/0x7c kernel/kcov.c:207
 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
 run_ksoftirqd+0x6c/0x158 kernel/softirq.c:939
 smpboot_thread_fn+0x4b0/0x920 kernel/smpboot.c:164
 kthread+0x288/0x310 kernel/kthread.c:379
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853