watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:3:6027]
Modules linked in:
irq event stamp: 162321
hardirqs last  enabled at (162320): [<ffff80008a44626c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (162320): [<ffff80008a44626c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (162321): [<ffff80008a443ea4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (162321): [<ffff80008a443ea4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (157926): [<ffff8000886eb550>] neigh_hh_init net/core/neighbour.c:1527 [inline]
softirqs last  enabled at (157926): [<ffff8000886eb550>] neigh_resolve_output+0x25c/0x618 net/core/neighbour.c:1542
softirqs last disabled at (157930): [<ffff8000886afc5c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 1 PID: 6027 Comm: kworker/1:3 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: ipv6_addrconf addrconf_dad_work
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : find_entry_to_transmit+0x2a8/0x6d0 net/sched/sch_taprio.c:347
lr : find_entry_to_transmit+0x22c/0x6d0
sp : ffff800096d56ea0
x29: ffff800096d56f60 x28: ffff0000cc076d30 x27: ffff0000cc075d40
x26: ffff0000cc075d68 x25: 1fffe0001980ebad x24: 0000000000000000
x23: 04c1dd019f117e00 x22: 04c1dd019f117e00 x21: 0000000080000040
x20: dfff800000000000 x19: 04c1dd019f117ee3 x18: ffff0001b4251f98
x17: 0000000000000000 x16: ffff80008050b55c x15: 0000000000000000
x14: 1ffff00011bde0ac x13: ffffffff80000040 x12: 0000000080000040
x11: 0000000000000201 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : ffff800096d570b0
x5 : ffff800096d570d0 x4 : 04c1dd019f117ee3 x3 : ffff80008898bde8
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000040
Call trace:
 get_interval_end_time net/sched/sch_taprio.c:234 [inline]
 find_entry_to_transmit+0x2a8/0x6d0 net/sched/sch_taprio.c:347
 get_packet_txtime net/sched/sch_taprio.c:505 [inline]
 taprio_enqueue_one+0xdb0/0x146c net/sched/sch_taprio.c:574
 taprio_enqueue+0x328/0x544 net/sched/sch_taprio.c:655
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3773
 __dev_xmit_skb net/core/dev.c:3862 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4210
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 neigh_resolve_output+0x518/0x618 net/core/neighbour.c:1552
 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_ns+0xd4/0x164 net/ipv6/ndisc.c:666
 addrconf_dad_work+0x99c/0x1390 net/ipv6/addrconf.c:4176
 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