Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. [ 491.198574] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 491.204782] Tasks blocked on level-0 rcu_node (CPUs 0-1): P30341 [ 491.211255] (detected by 0, t=10503 jiffies, g=953, c=952, q=254578) [ 491.217966] syz-executor052 R running task 30200 30341 2095 0x00000004 [ 491.225404] ffff8801db607c60 ffffffff813fabdd ffffffff813fa9e4 ffff8801ccd7c740 [ 491.233454] ffffffff830d17c0 0000000000000096 ffff8801ccd7cb20 dffffc0000000000 [ 491.241519] ffff8801db607c98 ffffffff81405319 00000000000003b8 000000000003e272 [ 491.249569] Call Trace: [ 491.252151] [ 491.254223] [] sched_show_task.cold.35+0x279/0x31f [ 491.260812] [] ? sched_show_task.cold.35+0x80/0x31f [ 491.267478] [] rcu_print_detail_task_stall_rnp+0xc2/0xfe [ 491.274578] [] rcu_check_callbacks.cold.69+0x757/0xd27 [ 491.281499] [] update_process_times+0x30/0x70 [ 491.287633] [] tick_sched_handle.isra.5+0x4a/0xf0 [ 491.294109] [] tick_sched_timer+0x76/0x130 [ 491.299978] [] ? tick_sched_handle.isra.5+0xf0/0xf0 [ 491.306629] [] __hrtimer_run_queues+0x357/0xe30 [ 491.312932] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 491.319672] [] ? hrtimer_fixup_init+0x70/0x70 [ 491.325805] [] ? kvm_clock_read+0x23/0x40 [ 491.331588] [] ? kvm_clock_get_cycles+0x9/0x10 [ 491.337805] [] ? hrtimer_interrupt+0x12d/0x430 [ 491.344032] [] hrtimer_interrupt+0x1b1/0x430 [ 491.350079] [] local_apic_timer_interrupt+0x74/0xa0 [ 491.356730] [] smp_apic_timer_interrupt+0x7c/0xb0 [ 491.363209] [] apic_timer_interrupt+0x9d/0xb0 [ 491.369334] [ 491.371385] [] ? _raw_spin_unlock_irq+0x2e/0x50 [ 491.377724] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 491.384029] [] __schedule+0x1010/0x1b10 [ 491.389645] [] preempt_schedule_irq+0x4b/0x90 [ 491.395773] [] retint_kernel+0x1b/0x2d [ 491.401301] [] ? preempt_schedule_common+0x42/0xe0 [ 491.407876] [] ? preempt_schedule_common+0x1f/0xe0 [ 491.414441] [] preempt_schedule+0x25/0x30 [ 491.420224] [] ___preempt_schedule+0x16/0x18 [ 491.426266] [] __sched_setscheduler+0x1c12/0x2c30 [ 491.432782] [] ? cpu_cgroup_fork+0xd0/0xd0 [ 491.438656] [] SyS_sched_setattr+0x24c/0x3c0 [ 491.444701] [] ? SyS_sched_setattr+0x1de/0x3c0 [ 491.450930] [] ? SyS_sched_setparam+0x20/0x20 [ 491.457069] [] ? __do_page_fault+0x554/0xa60 [ 491.463133] [] ? do_syscall_64+0x48/0x550 [ 491.468926] [] ? SyS_sched_setparam+0x20/0x20 [ 491.475071] [] do_syscall_64+0x19f/0x550 [ 491.480774] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb [ 491.487677] syz-executor052 R running task 30200 30341 2095 0x80000004 [ 491.495142] ffff8801db607c60 ffffffff813fabdd ffffffff813fa9e4 ffff8801ccd7c740 [ 491.503188] ffffffff830d17c0 0000000000000096 ffff8801ccd7cb20 dffffc0000000000 [ 491.511245] ffff8801db607c98 ffffffff81405319 ffffffff830d1b40 000000000003e272 [ 491.519258] Call Trace: [ 491.521821] [ 491.523864] [] sched_show_task.cold.35+0x279/0x31f [ 491.530447] [] ? sched_show_task.cold.35+0x80/0x31f [ 491.537094] [] rcu_print_detail_task_stall_rnp+0xc2/0xfe [ 491.544236] [] rcu_check_callbacks.cold.69+0x7af/0xd27 [ 491.551141] [] update_process_times+0x30/0x70 [ 491.557265] [] tick_sched_handle.isra.5+0x4a/0xf0 [ 491.563751] [] tick_sched_timer+0x76/0x130 [ 491.569642] [] ? tick_sched_handle.isra.5+0xf0/0xf0 [ 491.576285] [] __hrtimer_run_queues+0x357/0xe30 [ 491.582601] [] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 491.589330] [] ? hrtimer_fixup_init+0x70/0x70 [ 491.595461] [] ? kvm_clock_read+0x23/0x40 [ 491.601262] [] ? kvm_clock_get_cycles+0x9/0x10 [ 491.607469] [] ? hrtimer_interrupt+0x12d/0x430 [ 491.613678] [] hrtimer_interrupt+0x1b1/0x430 [ 491.619719] [] local_apic_timer_interrupt+0x74/0xa0 [ 491.626645] [] smp_apic_timer_interrupt+0x7c/0xb0 [ 491.633130] [] apic_timer_interrupt+0x9d/0xb0 [ 491.639246] [ 491.641294] [] ? _raw_spin_unlock_irq+0x2e/0x50 [ 491.647612] [] ? _raw_spin_unlock_irq+0x27/0x50 [ 491.653912] [] __schedule+0x1010/0x1b10 [ 491.659513] [] preempt_schedule_irq+0x4b/0x90 [ 491.665645] [] retint_kernel+0x1b/0x2d [ 491.671159] [] ? preempt_schedule_common+0x42/0xe0 [ 491.677723] [] ? preempt_schedule_common+0x1f/0xe0 [ 491.684298] [] preempt_schedule+0x25/0x30 [ 491.690076] [] ___preempt_schedule+0x16/0x18 [ 491.696111] [] __sched_setscheduler+0x1c12/0x2c30 [ 491.702580] [] ? cpu_cgroup_fork+0xd0/0xd0 [ 491.708441] [] SyS_sched_setattr+0x24c/0x3c0 [ 491.714473] [] ? SyS_sched_setattr+0x1de/0x3c0 [ 491.720684] [] ? SyS_sched_setparam+0x20/0x20 [ 491.726823] [] ? __do_page_fault+0x554/0xa60 [ 491.732870] [] ? do_syscall_64+0x48/0x550 [ 491.738646] [] ? SyS_sched_setparam+0x20/0x20 [ 491.744766] [] do_syscall_64+0x19f/0x550 [ 491.750454] [] entry_SYSCALL_64_after_swapgs+0x5d/0xdb