watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/u4:5:6057]
Modules linked in:
irq event stamp: 5440989
hardirqs last  enabled at (5440988): [<ffff80008a65a4e4>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (5440988): [<ffff80008a65a4e4>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (5440989): [<ffff80008a56bf4c>] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline]
hardirqs last disabled at (5440989): [<ffff80008a56bf4c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517
softirqs last  enabled at (5392008): [<ffff80008a2dc9a0>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (5392008): [<ffff80008a2dc9a0>] batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1259
softirqs last disabled at (5392011): [<ffff80008002aad4>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
CPU: 0 PID: 6057 Comm: kworker/u4:5 Not tainted 6.5.0-rc5-syzkaller-g6f09e57d8cf6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: bat_events batadv_purge_orig
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pie_calculate_probability+0x608/0x7bc net/sched/sch_pie.c:411
lr : pie_calculate_probability+0x57c/0x7bc net/sched/sch_pie.c:410
sp : ffff800080007b40
x29: ffff800080007b70 x28: fffffff0a3da8872 x27: fffffff0a3da8872
x26: dfff800000000000 x25: ffff8000addc7a90 x24: ffff8000addc7aac
x23: 1fffe0002851c763 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0001428e3b1a x19: ffff8000addc7a70 x18: ffff0001b41f1598
x17: 0000000000420042 x16: ffff800080516968 x15: ffff700010000f60
x14: 1ffff00010000f60 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000000101 x10: 0000000000000100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : ffff800088a7d948 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008032ff28
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 pie_calculate_probability+0x608/0x7bc net/sched/sch_pie.c:411
 fq_pie_timer+0x1f0/0x41c net/sched/sch_fq_pie.c:387
 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1751 [inline]
 __run_timers+0x55c/0x734 kernel/time/timer.c:2022
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035
 __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]
 __local_bh_enable_ip+0x250/0x4ac kernel/softirq.c:386
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]
 _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_purge_orig_ref+0x114c/0x1228 net/batman-adv/originator.c:1259
 batadv_purge_orig+0x20/0x70 net/batman-adv/originator.c:1272
 process_one_work+0x800/0x1480 kernel/workqueue.c:2597
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2748
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853