sched: DL replenish lagged too much watchdog: BUG: soft lockup - CPU#0 stuck for 430s! [swapper/0:0] Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at arch_spin_lock arch/arm/include/asm/spinlock.h:74 [inline] PC is at do_raw_spin_lock include/linux/spinlock.h:187 [inline] PC is at __raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline] PC is at _raw_spin_lock+0x40/0x58 kernel/locking/spinlock.c:154 LR is at __raw_spin_lock include/linux/spinlock_api_smp.h:132 [inline] LR is at _raw_spin_lock+0x18/0x58 kernel/locking/spinlock.c:154 pc : [<81a89cbc>] lr : [<81a89c94>] psr: 80000113 sp : 82801b40 ip : 82801b40 fp : 82801b54 r10: 81c05430 r9 : 8412f240 r8 : 83fc2288 r7 : 8412f368 r6 : 00000000 r5 : 00000001 r4 : 8412f368 r3 : 0000007d r2 : 0000007f r1 : 00000000 r0 : 00000001 Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 80003000 DAC: fffffffd Call trace: [<81a89c7c>] (_raw_spin_lock) from [<809c0ef0>] (class_raw_spinlock_constructor include/linux/spinlock.h:535 [inline]) [<81a89c7c>] (_raw_spin_lock) from [<809c0ef0>] (gpio_mmio_set+0x44/0x80 drivers/gpio/gpio-mmio.c:234) r5:00000001 r4:8412f240 [<809c0eac>] (gpio_mmio_set) from [<809b187c>] (gpiochip_set+0x1c/0x44 drivers/gpio/gpiolib.c:2919) r7:00000000 r6:00000000 r5:00000000 r4:840b2840 [<809b1860>] (gpiochip_set) from [<809b4094>] (gpiod_set_raw_value_commit+0x78/0x218 drivers/gpio/gpiolib.c:3662) [<809b401c>] (gpiod_set_raw_value_commit) from [<809b5934>] (gpiod_set_value_nocheck+0x44/0x58 drivers/gpio/gpiolib.c:3881) r10:81c05430 r9:82801c94 r8:00000102 r7:ffff8e0d r6:00000046 r5:00000000 r4:840b2840 [<809b58f0>] (gpiod_set_value_nocheck) from [<809b5984>] (gpiod_set_value+0x3c/0x88 drivers/gpio/gpiolib.c:3903) [<809b5948>] (gpiod_set_value) from [<809c5fec>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:57) r5:845e1044 r4:845e1044 [<809c5f90>] (gpio_led_set) from [<809c3898>] (__led_set_brightness drivers/leds/led-core.c:52 [inline]) [<809c5f90>] (gpio_led_set) from [<809c3898>] (led_set_brightness_nopm drivers/leds/led-core.c:335 [inline]) [<809c5f90>] (gpio_led_set) from [<809c3898>] (led_set_brightness_nosleep+0x38/0x44 drivers/leds/led-core.c:369) r5:845e1044 r4:84b7bd0c [<809c3860>] (led_set_brightness_nosleep) from [<809c68e8>] (led_heartbeat_function+0x84/0x144 drivers/leds/trigger/ledtrig-heartbeat.c:90) [<809c6864>] (led_heartbeat_function) from [<803267d8>] (call_timer_fn+0x30/0x220 kernel/time/timer.c:1748) r7:ffff8e0d r6:809c6864 r5:84b7bd0c r4:8281b500 [<803267a8>] (call_timer_fn) from [<80326c8c>] (expire_timers kernel/time/timer.c:1799 [inline]) [<803267a8>] (call_timer_fn) from [<80326c8c>] (__run_timers+0x2c4/0x3f8 kernel/time/timer.c:2373) r9:82801c94 r8:ffff8e0d r7:00000000 r6:809c6864 r5:dddc5f00 r4:84b7bd0c [<803269c8>] (__run_timers) from [<80326e28>] (__run_timer_base kernel/time/timer.c:2385 [inline]) [<803269c8>] (__run_timers) from [<80326e28>] (__run_timer_base kernel/time/timer.c:2377 [inline]) [<803269c8>] (__run_timers) from [<80326e28>] (run_timer_base+0x68/0x78 kernel/time/timer.c:2394) r10:8281b500 r9:82804d80 r8:00000102 r7:00000001 r6:00000082 r5:00000002 r4:dddc5f00 [<80326dc0>] (run_timer_base) from [<80326e54>] (run_timer_softirq+0x1c/0x34 kernel/time/timer.c:2404) r4:82804084 [<80326e38>] (run_timer_softirq) from [<8025af68>] (handle_softirqs+0x140/0x458 kernel/softirq.c:622) [<8025ae28>] (handle_softirqs) from [<8025b3dc>] (__do_softirq kernel/softirq.c:656 [inline]) [<8025ae28>] (handle_softirqs) from [<8025b3dc>] (invoke_softirq kernel/softirq.c:496 [inline]) [<8025ae28>] (handle_softirqs) from [<8025b3dc>] (__irq_exit_rcu+0x110/0x1d0 kernel/softirq.c:723) r10:00000000 r9:8281b500 r8:00000000 r7:82801dd8 r6:82440a40 r5:8247bc64 r4:8281b500 [<8025b2cc>] (__irq_exit_rcu) from [<8025b754>] (irq_exit+0x10/0x18 kernel/softirq.c:751) r5:8247bc64 r4:826c2a9c [<8025b744>] (irq_exit) from [<81a7b738>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:295) [<81a7b6bc>] (generic_handle_arch_irq) from [<80200bdc>] (__irq_svc+0x7c/0xbc arch/arm/kernel/entry-armv.S:228) Exception stack(0x82801dd8 to 0x82801e20) 1dc0: e0257008 00000005 1de0: 0000007d 00000000 e0257008 00000005 00000001 8412f368 83fc2288 8412f240 1e00: 00000000 82801e3c 82801e28 82801e28 809c16ec 809c16f0 60000113 ffffffff r9:8281b500 r8:83fc2288 r7:82801e0c r6:ffffffff r5:60000113 r4:809c16f0 [<809c16d0>] (gpio_mmio_write32) from [<809c0f10>] (gpio_mmio_set+0x64/0x80 drivers/gpio/gpio-mmio.c:241) r5:00000004 r4:8412f240 [<809c0eac>] (gpio_mmio_set) from [<809b187c>] (gpiochip_set+0x1c/0x44 drivers/gpio/gpiolib.c:2919) r7:00000001 r6:00000000 r5:00000002 r4:840b2868 [<809b1860>] (gpiochip_set) from [<809b4094>] (gpiod_set_raw_value_commit+0x78/0x218 drivers/gpio/gpiolib.c:3662) [<809b401c>] (gpiod_set_raw_value_commit) from [<809b5934>] (gpiod_set_value_nocheck+0x44/0x58 drivers/gpio/gpiolib.c:3881) r10:00000000 r9:00000000 r8:00000001 r7:dddce4c0 r6:83940798 r5:00000001 r4:840b2868 [<809b58f0>] (gpiod_set_value_nocheck) from [<809b5984>] (gpiod_set_value+0x3c/0x88 drivers/gpio/gpiolib.c:3903) [<809b5948>] (gpiod_set_value) from [<809c5fec>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:57) r5:000000ff r4:845e1224 [<809c5f90>] (gpio_led_set) from [<809c3928>] (__led_set_brightness drivers/leds/led-core.c:52 [inline]) [<809c5f90>] (gpio_led_set) from [<809c3928>] (led_set_brightness_nopm drivers/leds/led-core.c:335 [inline]) [<809c5f90>] (gpio_led_set) from [<809c3928>] (led_set_brightness_nosleep drivers/leds/led-core.c:369 [inline]) [<809c5f90>] (gpio_led_set) from [<809c3928>] (led_set_brightness+0x84/0x90 drivers/leds/led-core.c:328) r5:000000ff r4:845e1224 [<809c38a4>] (led_set_brightness) from [<809c5494>] (led_trigger_event drivers/leds/led-triggers.c:420 [inline]) [<809c38a4>] (led_set_brightness) from [<809c5494>] (led_trigger_event+0x40/0x58 drivers/leds/led-triggers.c:408) r5:000000ff r4:845e1224 [<809c5454>] (led_trigger_event) from [<809c6af0>] (ledtrig_cpu+0xac/0xf4 drivers/leds/trigger/ledtrig-cpu.c:86) r7:dddce4c0 r6:00000002 r5:82b15bd8 r4:000000fe [<809c6a44>] (ledtrig_cpu) from [<80227758>] (arch_cpu_idle_exit+0x14/0x18 arch/arm/kernel/process.c:98) r9:00000000 r8:00000000 r7:8280c710 r6:8281b500 r5:8280c6d0 r4:00000000 [<80227744>] (arch_cpu_idle_exit) from [<802b13cc>] (do_idle+0x5c/0x2d8 kernel/sched/idle.c:334) [<802b1370>] (do_idle) from [<802b1978>] (cpu_startup_entry+0x30/0x34 kernel/sched/idle.c:430) r10:8281aff4 r9:823bb92c r8:00000000 r7:8280c680 r6:deffc06c r5:828222e8 r4:000000ed [<802b1948>] (cpu_startup_entry) from [<81a7d154>] (kernel_init+0x0/0x138 init/main.c:757) [<81a7d074>] (rest_init) from [<82601338>] (start_kernel+0x738/0x754 init/main.c:1111) [<82600c00>] (start_kernel) from [<00000000>] (0x0) r7:000008e0