watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:4:3991]
Modules linked in:
irq event stamp: 63567
hardirqs last  enabled at (63566): [<ffff800011a33f80>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
hardirqs last  enabled at (63566): [<ffff800011a33f80>] _raw_spin_unlock_irq+0x9c/0x134 kernel/locking/spinlock.c:202
hardirqs last disabled at (63567): [<ffff80001195c810>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (17408): [<ffff80000d5f5b94>] spin_unlock_bh include/linux/spinlock.h:408 [inline]
softirqs last  enabled at (17408): [<ffff80000d5f5b94>] nsim_dev_trap_report drivers/net/netdevsim/dev.c:736 [inline]
softirqs last  enabled at (17408): [<ffff80000d5f5b94>] nsim_dev_trap_report_work+0x610/0x90c drivers/net/netdevsim/dev.c:762
softirqs last disabled at (17431): [<ffff8000081b569c>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (17431): [<ffff8000081b569c>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (17431): [<ffff8000081b569c>] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
CPU: 0 PID: 3991 Comm: kworker/0:4 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Workqueue: events nsim_dev_trap_report_work
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __sanitizer_cov_trace_const_cmp8+0x1c/0xb8 kernel/kcov.c:292
lr : pie_calculate_probability+0x57c/0x7bc net/sched/sch_pie.c:413
sp : ffff800008007a50
x29: ffff800008007a90 x28: fffffff0a3da8872 x27: fffffff0a3da8872
x26: dfff800000000000 x25: ffff8000245a91e0 x24: ffff8000245a91fc
x23: 1fffe0001b314063 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000d98a031a x19: ffff8000245a91c0 x18: 0000000000000302
x17: ff8080000fd2bf04 x16: ffff8000083030e4 x15: ffff80000fd2bf04
x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000000100
x11: ff80800010099c34 x10: 0000000000000000 x9 : ffff0000c9df0000
x8 : ffff800016ef3000 x7 : ffff8000100a1abc x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008303214
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __sanitizer_cov_trace_const_cmp8+0x1c/0xb8 kernel/kcov.c:292
 fq_pie_timer+0x110/0x248 net/sched/sch_fq_pie.c:389
 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers+0x554/0x718 kernel/time/timer.c:1737
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1750
 __do_softirq+0x344/0xe20 kernel/softirq.c:558
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 invoke_softirq kernel/softirq.c:439 [inline]
 __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636
 irq_exit+0x14/0x88 kernel/softirq.c:660
 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:710
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:758
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899
 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:442
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:458
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:580
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 crng_make_state+0x3a0/0x5e4 drivers/char/random.c:392
 _get_random_bytes+0xe0/0x274 drivers/char/random.c:405
 get_random_bytes+0x28/0x38 drivers/char/random.c:440
 eth_random_addr include/linux/etherdevice.h:225 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:671 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:721 [inline]
 nsim_dev_trap_report_work+0x260/0x90c drivers/net/netdevsim/dev.c:762
 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310
 worker_thread+0x910/0x1034 kernel/workqueue.c:2457
 kthread+0x37c/0x45c kernel/kthread.c:319
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870