watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:12:6182]
Modules linked in:
irq event stamp: 114165
hardirqs last  enabled at (114164): [<ffff80008a44626c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (114164): [<ffff80008a44626c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (114165): [<ffff80008a443ea4>] __el1_irq arch/arm64/kernel/entry-common.c:470 [inline]
hardirqs last disabled at (114165): [<ffff80008a443ea4>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (109930): [<ffff800089300ea8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (109934): [<ffff8000886afc5c>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
CPU: 0 PID: 6182 Comm: kworker/0:12 Not tainted 6.4.0-rc7-syzkaller-ge40939bbfc68 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Workqueue: mld mld_ifc_work
pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : check_kcov_mode kernel/kcov.c:175 [inline]
pc : __sanitizer_cov_trace_pc+0x44/0x7c kernel/kcov.c:207
lr : find_entry_to_transmit+0x50/0x6d0 net/sched/sch_taprio.c:321
sp : ffff800098046fd0
x29: ffff8000980470a0 x28: 0498d8063393fcad x27: ffff800098047210
x26: 0000000000000000 x25: ffff8000980471f0 x24: 0000000080000040
x23: ffff0000c8c98158 x22: ffff0000cdadadc0 x21: ffff00012187a000
x20: dfff800000000000 x19: ffff0000d2e62800 x18: ffff8000980477e0
x17: 0000000000000000 x16: ffff80008050b28c x15: 0000000000000000
x14: 1ffff00011bde0ac x13: ffffffff80000040 x12: 0000000080000040
x11: 0000000000000201 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000cd139bc0 x7 : 0000000000000000 x6 : ffff8000980471f0
x5 : ffff800098047210 x4 : 0498d8063393fcad x3 : 0000000000000000
x2 : ffff0000d2e62800 x1 : ffff00012187a000 x0 : ffff0000cdadadc0
Call trace:
 check_kcov_mode kernel/kcov.c:173 [inline]
 __sanitizer_cov_trace_pc+0x44/0x7c kernel/kcov.c:207
 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_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x848/0xc20 net/ipv6/mcast.c:2653
 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