watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [ksoftirqd/0:15]
Modules linked in:
irq event stamp: 6629155
hardirqs last  enabled at (6629154): [<ffff800012225c44>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (6629154): [<ffff800012225c44>] _raw_spin_unlock_irq+0x3c/0x90 kernel/locking/spinlock.c:202
hardirqs last disabled at (6629155): [<ffff800012141594>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (6629155): [<ffff800012141594>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (5843082): [<ffff800008020d7c>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (5843082): [<ffff800008020d7c>] __do_softirq+0xc1c/0xe38 kernel/softirq.c:600
softirqs last disabled at (5843087): [<ffff8000081ca478>] run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.69-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
pstate: a0400005 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : pie_calculate_probability+0x424/0x7bc net/sched/sch_pie.c:388
lr : pie_calculate_probability+0x3ec/0x7bc
sp : ffff800019e578d0
x29: ffff800019e57900 x28: fffffff0a3da8872 x27: fffffff0a3da8872
x26: 0000000000000000 x25: ffff00012b5e2fd0 x24: 1fffe000256bc5fa
x23: 1fffe00019e07360 x22: ffff0000cf039b00 x21: 0000000000000000
x20: 1fffe000256bc5fa x19: 0000000000000000 x18: dfff800000000000
x17: 00000000d12cc850 x16: ffff8000084fa674 x15: 00000000227936cc
x14: 1ffff00002b040b0 x13: dfff800000000000 x12: ffff7000033caf14
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff0000c09ab780
x8 : ffff8000106f8324 x7 : ffff800010700364 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80000831ce70
x2 : 0000000000000000 x1 : 0000000000000000 x0 : fffffff0a3da8872
Call trace:
 pie_calculate_probability+0x424/0x7bc net/sched/sch_pie.c:387
 fq_pie_timer+0x22c/0x540 net/sched/sch_fq_pie.c:391
 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1790
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1803
 __do_softirq+0x314/0xe38 kernel/softirq.c:571
 run_ksoftirqd+0x68/0x258 kernel/softirq.c:934
 smpboot_thread_fn+0x4b0/0x96c kernel/smpboot.c:164
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864