| TITLE: INFO: rcu detected stall in bpf_map_free_deferred |
| TYPE: HANG |
| |
| isob2 login: [ 709.689951] INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 709.695737] (detected by 0, t=125002 jiffies, g=6134, c=6133, q=11) |
| [ 709.702334] All QSes seen, last rcu_sched kthread activity 124990 (4295372585-4295247595), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 709.714440] kworker/0:0 R running task on cpu 0 0 4 2 0x00000008 584683503973 |
| [ 709.723606] Workqueue: events bpf_map_free_deferred |
| [ 709.728724] 0000000000000000 ffff8801daa07c80 ffffffff813a0886 ffffffff813a0691 |
| [ 709.736752] 000000000001e83e 0000000100062f29 00000001000446eb ffff8801daa20540 |
| [ 709.744756] ffffffff839bef80 0000000100062f29 ffff8801daa07c90 ffffffff813becd0 |
| [ 709.752766] Call Trace: |
| [ 709.755323] <IRQ> [<ffffffff813a0886>] _sched_show_task+0x2a6/0x4f0 |
| [ 709.762012] [<ffffffff813a0691>] ? _sched_show_task+0xb1/0x4f0 |
| [ 709.768049] [<ffffffff813becd0>] sched_show_task+0x10/0x20 |
| [ 709.773742] [<ffffffff8148081c>] rcu_check_callbacks+0x1b7c/0x1da0 |
| [ 709.780127] [<ffffffff81494c5f>] update_process_times+0x3f/0x70 |
| [ 709.786251] [<ffffffff814bd59a>] tick_sched_handle.isra.17+0x5a/0x100 |
| [ 709.792896] [<ffffffff814bee0a>] tick_sched_timer+0x7a/0x130 |
| [ 709.798758] [<ffffffff81497169>] __hrtimer_run_queues+0x369/0xc10 |
| [ 709.805052] [<ffffffff814bed90>] ? tick_sched_do_timer+0xa0/0xa0 |
| [ 709.811259] [<ffffffff81496e00>] ? retrigger_next_event+0x170/0x170 |
| [ 709.817730] [<ffffffff81498f0c>] ? hrtimer_interrupt+0x10c/0x410 |
| [ 709.823940] [<ffffffff81498f84>] hrtimer_interrupt+0x184/0x410 |
| [ 709.829975] [<ffffffff812852b0>] local_apic_timer_interrupt+0x70/0xb0 |
| [ 709.836617] [<ffffffff81012895>] smp_apic_timer_interrupt+0xc5/0x100 |
| [ 709.843176] [<ffffffff81011752>] smp_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e |
| [ 709.851638] <EOI> [<ffffffff81010d64>] ? _raw_spin_unlock_irqrestore+0x64/0x80 |
| [ 709.859295] [<ffffffff81718c49>] free_percpu+0x1c9/0x360 |
| [ 709.864815] [<ffffffff81718a80>] ? pcpu_free_area+0x610/0x610 |
| [ 709.870770] [<ffffffff8163038a>] array_map_free+0xca/0x130 |
| [ 709.876463] [<ffffffff81332f3b>] ? free_uid+0xcb/0x290 |
| [ 709.881810] [<ffffffff8160eed1>] bpf_map_free_deferred+0xb1/0xe0 |
| executing program |
| [ 709.888018] [<ffffffff81363350>] process_one_work+0x8c0/0x15a0 |
| [ 709.894051] [<ffffffff81363286>] ? process_one_work+0x7f6/0x15a0 |
| [ 709.900265] [<ffffffff81362a90>] ? pwq_dec_nr_in_flight+0x280/0x280 |
| [ 709.906732] [<ffffffff81364111>] worker_thread+0xe1/0xf70 |
| [ 709.912338] [<ffffffff81379281>] kthread+0x231/0x2c0 |
| [ 709.917503] [<ffffffff81364030>] ? process_one_work+0x15a0/0x15a0 |
| [ 709.923801] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 |
| [ 709.930449] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 |
| [ 709.937100] [<ffffffff82e25bac>] ret_from_fork+0x5c/0x90 |
| [ 709.942620] [<ffffffff81379050>] ? kthread_create_on_node+0x460/0x460 |
