watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:4152] Modules linked in: irq event stamp: 52891 hardirqs last enabled at (52890): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (52890): [] _raw_spin_unlock_irq+0x9c/0x134 kernel/locking/spinlock.c:202 hardirqs last disabled at (52891): [] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227 softirqs last enabled at (2810): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31 softirqs last disabled at (2823): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (2823): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (2823): [] __irq_exit_rcu+0x28c/0x534 kernel/softirq.c:636 CPU: 1 PID: 4152 Comm: syz-executor.5 Not tainted 5.15.126-syzkaller-00092-g24c4de4069cb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __sanitizer_cov_trace_const_cmp8+0x8/0xb8 kernel/kcov.c:292 lr : pie_calculate_probability+0x284/0x7bc net/sched/sch_pie.c:348 sp : ffff800008017a50 x29: ffff800008017a90 x28: 0000000225c17d04 x27: 00000010c6f7a0b5 x26: 0000000000000000 x25: ffff8000272b5850 x24: 0000000000000000 x23: 00000015798ee228 x22: ffff0000da281b00 x21: 0000000000000000 x20: 1ffff00004e56b0a x19: 0000000000000000 x18: 0000000000000302 x17: ff8080000fd2bf04 x16: ffff8000083030e4 x15: ffff80000fd2bf04 x14: 1ffff0000292006a x13: ffffffffffffffff x12: 0000000000000100 x11: ff80800010099940 x10: 0000000000000000 x9 : ffff0000d9730000 x8 : ffff800010099940 x7 : ffff8000100a1abc x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800008303214 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 00000010c6f7a0b5 Call trace: __sanitizer_cov_trace_const_cmp8+0x8/0xb8 kernel/kcov.c:290 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_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1338 [inline] finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:4780 finish_task_switch+0x120/0x6b4 kernel/sched/core.c:4898 context_switch kernel/sched/core.c:5029 [inline] __schedule+0xf14/0x1e38 kernel/sched/core.c:6372 schedule+0x11c/0x1c8 kernel/sched/core.c:6455 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x1a4/0x668 kernel/time/hrtimer.c:2044 hrtimer_nanosleep+0x1f0/0x384 kernel/time/hrtimer.c:2097 common_nsleep+0xa8/0xc0 kernel/time/posix-timers.c:1267 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1308 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1285 [inline] __arm64_sys_clock_nanosleep+0x350/0x38c kernel/time/posix-timers.c:1285 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584