| TITLE: INFO: rcu detected stall in kvm_vcpu_ioctl |
| TYPE: HANG |
| |
| [ 618.102956] overlayfs: failed to resolve './file1': -2 |
| [ 724.054784] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: |
| [ 724.061136] rcu: (detected by 1, t=10502 jiffies, g=71473, q=34) |
| [ 724.067416] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4295009460-4294998957), jiffies_till_next_fqs=1, root ->qsmask 0x0 |
| [ 724.080087] syz-executor1 R running task 22672 24999 5368 0x00000000 |
| [ 724.087341] Call Trace: |
| [ 724.089931] <IRQ> |
| [ 724.092107] sched_show_task.cold.83+0x2b6/0x30a |
| [ 724.128077] print_other_cpu_stall.cold.79+0xa83/0xba5 |
| [ 724.199489] rcu_check_callbacks+0xafc/0x1990 |
| [ 724.345408] update_process_times+0x2d/0x70 |
| [ 724.349750] tick_sched_handle+0x9f/0x180 |
| [ 724.353919] tick_sched_timer+0x45/0x130 |
| [ 724.357996] __hrtimer_run_queues+0x41c/0x10d0 |
| [ 724.412730] hrtimer_interrupt+0x313/0x780 |
| [ 724.417102] smp_apic_timer_interrupt+0x1a1/0x760 |
| [ 724.477953] apic_timer_interrupt+0xf/0x20 |
| [ 724.482196] </IRQ> |
| [ 724.484449] RIP: 0010:debug_lockdep_rcu_enabled.part.3+0x0/0x60 |
| [ 724.509432] RSP: 0018:ffff88017575f3a0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 |
| [ 724.517157] RAX: 0000000000000003 RBX: ffffffff89936580 RCX: 0000000000000002 |
| [ 724.524434] RDX: 0000000000000001 RSI: ffffffff8120f03f RDI: ffffffff8a314a50 |
| [ 724.531735] RBP: ffff88017575f3b0 R08: ffff8801bbe52580 R09: 0000000000000001 |
| [ 724.539010] R10: ffff8801bbe52e28 R11: 473e358cd184502e R12: ffff88017575f4b8 |
| [ 724.546290] R13: 0000000000000000 R14: ffff880188148400 R15: 0000000000000000 |
| [ 724.562989] vmx_handle_exit+0x1144/0x17f0 |
| [ 724.579859] vcpu_enter_guest+0x14a9/0x62e0 |
| [ 724.673018] kvm_arch_vcpu_ioctl_run+0x375/0x16e0 |
| [ 724.682933] kvm_vcpu_ioctl+0x72b/0x1150 |
| [ 724.742569] do_vfs_ioctl+0x1de/0x1720 |
| [ 724.793606] ksys_ioctl+0xa9/0xd0 |
| [ 724.797074] __x64_sys_ioctl+0x73/0xb0 |
| [ 724.800988] do_syscall_64+0x1b9/0x820 |
| [ 724.840073] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 724.845299] RIP: 0033:0x457099 |
| [ 724.867425] RSP: 002b:00007f0e6289ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 |
| [ 724.875170] RAX: ffffffffffffffda RBX: 00007f0e6289f6d4 RCX: 0000000000457099 |
| [ 724.882446] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 |
| [ 724.889728] RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 |
| [ 724.897005] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff |
| [ 724.904285] R13: 00000000004cf730 R14: 00000000004c59b9 R15: 0000000000000000 |
