| TITLE: INFO: rcu detected stall in kvm_vcpu_release |
| TYPE: HANG |
| |
| [ 401.753130] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 401.759317] rcu: (detected by 0, t=105002 jiffies, g=89793, q=195) |
| [ 401.765737] rcu: All QSes seen, last rcu_sched kthread activity 105002 (4295067669-4294962667), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 401.778318] syz-executor5 R running task 24488 9936 4748 0x00000008 |
| [ 401.785560] Call Trace: |
| [ 401.788141] <IRQ> |
| [ 401.790301] sched_show_task.cold.85+0x273/0x2d5 |
| [ 401.821799] print_other_cpu_stall.cold.79+0x8e0/0x91d |
| [ 401.860568] rcu_check_callbacks+0x986/0x15a0 |
| [ 401.964031] update_process_times+0x2d/0x70 |
| [ 401.968355] tick_sched_handle+0x9f/0x180 |
| [ 401.972517] tick_sched_timer+0x45/0x130 |
| [ 401.976581] __hrtimer_run_queues+0x3eb/0xff0 |
| [ 402.026193] hrtimer_interrupt+0x2f3/0x750 |
| [ 402.030445] smp_apic_timer_interrupt+0x16d/0x6a0 |
| [ 402.083022] apic_timer_interrupt+0xf/0x20 |
| [ 402.087252] </IRQ> |
| [ 402.089510] RIP: 0010:smp_call_function_single+0x3f5/0x5c0 |
| [ 402.114059] RSP: 0018:ffff8801cfb8f3a0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 |
| [ 402.121773] RAX: ffff8801cfb8f418 RBX: ffff8801cfb8f418 RCX: ffffffff8170865c |
| [ 402.129044] RDX: 0000000000000000 RSI: ffffffff8170860b RDI: 0000000000000005 |
| [ 402.136314] RBP: ffff8801cfb8f4f0 R08: ffff8801bcb92140 R09: ffffed003b625b98 |
| [ 402.143582] R10: ffffed003b625b98 R11: ffff8801db12dcc7 R12: ffffed0039f71e90 |
| [ 402.150856] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000001 |
| [ 402.191483] vmx_vcpu_load+0x873/0xfe0 |
| [ 402.235986] kvm_arch_vcpu_load+0x22b/0x940 |
| [ 402.244821] vcpu_load+0x32/0x40 |
| [ 402.248189] kvm_arch_destroy_vm+0x1f9/0x7c0 |
| [ 402.284984] kvm_put_kvm+0x73f/0x1060 |
| [ 402.317058] kvm_vcpu_release+0x7b/0xa0 |
| [ 402.321039] __fput+0x38a/0xa40 |
| [ 402.354473] ____fput+0x15/0x20 |
| [ 402.357755] task_work_run+0x1e8/0x2a0 |
| [ 402.374215] exit_to_usermode_loop+0x318/0x380 |
| [ 402.389202] do_syscall_64+0x6be/0x820 |
| [ 402.423222] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 402.428415] RIP: 0033:0x410c41 |
| [ 402.450537] RSP: 002b:00007ffc6fee9a70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 |
| [ 402.458282] RAX: 0000000000000000 RBX: 000000000000000b RCX: 0000000000410c41 |
| [ 402.465556] RDX: 0000000000000000 RSI: 00000000007305f0 RDI: 000000000000000a |
| [ 402.472826] RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff |
| [ 402.480102] R10: 00007ffc6fee99a0 R11: 0000000000000293 R12: 0000000000000009 |
| [ 402.487376] R13: 00000000000485c6 R14: 0000000000000052 R15: badc0ffeebadface |
