watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [kworker/0:0:7]
Modules linked in:
irq event stamp: 187021
hardirqs last  enabled at (187020): [<ffff80008a44626c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (187020): [<ffff80008a44626c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (187021): [<ffff80008a443ea4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (187021): [<ffff80008a443ea4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (182096): [<ffff800089300ea8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (182100): [<ffff8000886afc5c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 7 Comm: kworker/0:0 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+0x378/0x6d0 net/sched/sch_taprio.c:353
lr : ktime_compare include/linux/ktime.h:97 [inline]
lr : ktime_after include/linux/ktime.h:113 [inline]
lr : find_entry_to_transmit+0x370/0x6d0 net/sched/sch_taprio.c:350
sp : ffff800092826dc0
x29: ffff800092826e80 x28: 0550a0f5d7af84ad x27: ffff0000d66add40
x26: ffff0000d66add68 x25: 1fffe0001acd5bad x24: 0000000000000000
x23: 0550a0f5d7af83c0 x22: 0550a0f657af83c1 x21: 0550a0f657af8400
x20: dfff800000000000 x19: 0550a0f657af8400 x18: ffff800092826b20
x17: 0000000000000000 x16: ffff80008050b4cc x15: 000000000001169d
x14: 1ffff00011bde0ac x13: ffffffff80000040 x12: 0000000080000040
x11: 0000000000000201 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000c1993780 x7 : 0000000000000000 x6 : ffff800092826fd0
x5 : ffff800092826ff0 x4 : 0550a0f5d7af84ad x3 : ffff80008898bde8
x2 : 0000000000000000 x1 : 0550a0f657af8400 x0 : 0550a0f5d7af83c0
Call trace:
 find_entry_to_transmit+0x378/0x6d0 net/sched/sch_taprio.c:350
 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_hh_output include/net/neighbour.h:528 [inline]
 neigh_output include/net/neighbour.h:542 [inline]
 ip6_finish_output2+0xd2c/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+0x160/0x4f0 include/linux/netfilter.h:303
 mld_sendpack+0x904/0x1358 net/ipv6/mcast.c:1820
 mld_send_initial_cr+0x324/0x3d4 net/ipv6/mcast.c:2239
 ipv6_mc_dad_complete+0x78/0x380 net/ipv6/mcast.c:2247
 addrconf_dad_completed+0x5c8/0xb88 net/ipv6/addrconf.c:4234
 addrconf_dad_work+0xb14/0x1390
 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