watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [ksoftirqd/0:14]
Modules linked in:
irq event stamp: 2017441
hardirqs last  enabled at (2017440): [<ffff80001194e720>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:81 [inline]
hardirqs last  enabled at (2017440): [<ffff80001194e720>] exit_to_kernel_mode+0x100/0x178 arch/arm64/kernel/entry-common.c:91
hardirqs last disabled at (2017441): [<ffff80001194e968>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (2012058): [<ffff800008020ccc>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (2012058): [<ffff800008020ccc>] __do_softirq+0xb5c/0xe20 kernel/softirq.c:587
softirqs last disabled at (2012063): [<ffff8000081b7e98>] run_ksoftirqd+0x68/0x258 kernel/softirq.c:920
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 5.15.116-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : get_current arch/arm64/include/asm/current.h:19 [inline]
pc : write_comp_data kernel/kcov.c:217 [inline]
pc : __sanitizer_cov_trace_const_cmp4+0xc/0xc0 kernel/kcov.c:284
lr : fq_pie_qdisc_dequeue+0x120/0x874 net/sched/sch_fq_pie.c:246
sp : ffff800018946f80
x29: ffff800018947000 x28: ffff000114692b20 x27: 1fffe000228d2562
x26: dfff800000000000 x25: ffff0000d78e6ae8 x24: ffff0000d78e6af0
x23: ffff000114692b10 x22: ffff0000d78e6ae0 x21: ffff0000d78e6ae0
x20: ffff0000d78e6ae0 x19: 0000000000000000 x18: 0000000000000501
x17: ff8080000ff527ac x16: 0000000000000000 x15: ffff80000ff527ac
x14: 0000000000000001 x13: ffffffffffffffff x12: 0000000000000100
x11: ff80800010098adc x10: 0000000000000000 x9 : ffff800010098adc
x8 : ffff800016ee1000 x7 : ffff80000fd8c024 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : ffff0000d78e6ae0 x1 : 0000000000000000 x0 : 0000000000000001
Call trace:
 __sanitizer_cov_trace_const_cmp4+0xc/0xc0 kernel/kcov.c:285
 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