watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u4:0:10]
Modules linked in:
irq event stamp: 1278541
hardirqs last  enabled at (1278540): [<ffff80008a570c30>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (1278540): [<ffff80008a570c30>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (1278541): [<ffff80008a56e84c>] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline]
hardirqs last disabled at (1278541): [<ffff80008a56e84c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517
softirqs last  enabled at (586398): [<ffff8000800218ec>] softirq_handle_end kernel/softirq.c:399 [inline]
softirqs last  enabled at (586398): [<ffff8000800218ec>] __do_softirq+0xac0/0xd54 kernel/softirq.c:582
softirqs last disabled at (586403): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 0 PID: 10 Comm: kworker/u4:0 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
Workqueue: bat_events batadv_nc_worker
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : taprio_dequeue_tc_priority+0x1f4/0x64c net/sched/sch_taprio.c:803
lr : taprio_next_tc_txq net/sched/sch_taprio.c:774 [inline]
lr : taprio_dequeue_tc_priority+0x1c4/0x64c net/sched/sch_taprio.c:801
sp : ffff800080007c50
x29: ffff800080007ca0 x28: 0000000000000001 x27: 0000000000000000
x26: ffff0000d60b4b6e x25: ffff0000d60b4b70 x24: ffff0000d3827394
x23: ffff0000d60b4448 x22: 000000000000000a x21: 1fffe0001a704e72
x20: 1fffe0001ac16889 x19: dfff800000000000 x18: 1fffe0003683adc6
x17: ffff8001261ea000 x16: ffff800080516e6c x15: 0000000000000102
x14: ffff80008e0a05e8 x13: dfff800000000000 x12: 000000003b00d0d9
x11: 0000000000000102 x10: 0000000000000100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff800088a8f76c x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000008a27
x2 : ffff0000e5f06c00 x1 : 000000000000000c x0 : 000000000000000a
Call trace:
 taprio_dequeue_tc_priority+0x1f4/0x64c net/sched/sch_taprio.c:803
 taprio_dequeue+0x174/0x508
 dequeue_skb net/sched/sch_generic.c:292 [inline]
 qdisc_restart net/sched/sch_generic.c:397 [inline]
 __qdisc_run+0x1fc/0x2358 net/sched/sch_generic.c:415
 qdisc_run+0xc4/0x23c include/net/pkt_sched.h:125
 net_tx_action+0x6f8/0x8ac net/core/dev.c:5049
 __do_softirq+0x2d0/0xd54 kernel/softirq.c:553
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:882
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:434 [inline]
 __irq_exit_rcu+0x200/0x494 kernel/softirq.c:632
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644
 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:33 [inline]
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:55 [inline]
 raw_spin_rq_unlock_irq kernel/sched/sched.h:1378 [inline]
 finish_lock_switch+0xc0/0x1e4 kernel/sched/core.c:5133
 finish_task_switch+0x120/0x614 kernel/sched/core.c:5251
 context_switch kernel/sched/core.c:5384 [inline]
 __schedule+0x1368/0x23b4 kernel/sched/core.c:6710
 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7022
 arm64_preempt_schedule_irq arch/arm64/kernel/entry-common.c:267 [inline]
 __el1_irq arch/arm64/kernel/entry-common.c:505 [inline]
 el1_interrupt+0x4c/0x68 arch/arm64/kernel/entry-common.c:517
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:587
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:182 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:202 [inline]
 lock_acquire+0x278/0x71c kernel/locking/lockdep.c:5764
 rcu_lock_acquire+0x40/0x4c include/linux/rcupdate.h:303
 rcu_read_lock include/linux/rcupdate.h:749 [inline]
 batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline]
 batadv_nc_worker+0xd0/0x580 net/batman-adv/network-coding.c:719
 process_one_work+0x800/0x1480 kernel/workqueue.c:2600
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853