| TITLE: INFO: rcu detected stall in rmdir |
| |
| [ 539.960575] INFO: rcu_preempt detected stalls on CPUs/tasks: |
| [ 539.960585] (detected by 0, t=10502 jiffies, g=3970, c=3969, q=379) |
| [ 539.960592] All QSes seen, last rcu_preempt kthread activity 10502 (4294991162-4294980660), jiffies_till_next_fqs=1, root ->qsmask 0x0 |
| [ 539.960608] syz-executor7 R running task 26968 2301 2298 0x00000000 |
| [ 539.960623] ffff8801db607c98 ffffffff813f5a7f ffffffff813f5886 0000000100003434 |
| [ 539.960633] 0000000100005d3a dffffc0000000000 ffff8801db621d40 ffffffff82ecd580 |
| [ 539.960643] ffff8801db607d68 ffffffff81401aa5 0000000000000000 ffff8801db607cd8 |
| [ 539.960645] Call Trace: |
| [ 539.960662] <IRQ> |
| [ 539.960663] [<ffffffff813f5a7f>] sched_show_task.cold.35+0x279/0x31f |
| [ 539.960679] [<ffffffff81401aa5>] rcu_check_callbacks.cold.69+0xc70/0xd27 |
| [ 539.960688] [<ffffffff81261680>] update_process_times+0x30/0x70 |
| [ 539.960697] [<ffffffff8128ec7a>] tick_sched_handle.isra.5+0x4a/0xf0 |
| [ 539.960704] [<ffffffff8128ed96>] tick_sched_timer+0x76/0x130 |
| [ 539.960720] [<ffffffff812643a7>] __hrtimer_run_queues+0x357/0xe30 |
| [ 539.960766] [<ffffffff81266891>] hrtimer_interrupt+0x1b1/0x430 |
| [ 539.960775] [<ffffffff8108f6c4>] local_apic_timer_interrupt+0x74/0xa0 |
| [ 539.960784] [<ffffffff8278ff1c>] smp_apic_timer_interrupt+0x7c/0xa0 |
| [ 539.960791] [<ffffffff8278d7ed>] apic_timer_interrupt+0x9d/0xb0 |
| [ 539.960802] <EOI> |
| [ 539.960812] [<ffffffff8278b454>] _raw_spin_lock_nested+0x44/0x50 |
| [ 539.960828] [<ffffffff81548219>] d_walk.part.10+0x1b9/0x710 |
| [ 539.960849] [<ffffffff815488f7>] shrink_dcache_parent+0xd7/0x130 |
| [ 539.960873] [<ffffffff81529bd9>] vfs_rmdir2+0x1c9/0x410 |
| [ 539.960880] [<ffffffff81533264>] do_rmdir+0x304/0x3b0 |
| [ 539.960916] [<ffffffff81534d9a>] SyS_rmdir+0x1a/0x20 |
| [ 539.960922] [<ffffffff8100554f>] do_syscall_64+0x19f/0x480 |
| [ 539.960930] [<ffffffff8278c053>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb |
