| TITLE: INFO: rcu detected stall in __cleanup_mnt |
| TYPE: HANG |
| |
| [ 396.319024] INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 396.324708] (detected by 0, t=105007 jiffies, g=54385, c=54384, q=120) |
| [ 396.331479] All QSes seen, last rcu_sched kthread activity 105014 (4295063628-4294958614), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 396.343605] syz-executor5 R running task 25224 22239 4482 0x00000008 |
| [ 396.350812] Call Trace: |
| [ 396.353393] <IRQ> |
| [ 396.355560] sched_show_task.cold.84+0x27a/0x301 |
| [ 396.386938] print_other_cpu_stall.cold.77+0x92f/0x9d2 |
| [ 396.425896] check_cpu_stall.isra.60+0x721/0xf70 |
| [ 396.497958] rcu_check_callbacks+0x23f/0xcd0 |
| [ 396.575053] update_process_times+0x2d/0x70 |
| [ 396.579598] tick_sched_handle+0x9f/0x180 |
| [ 396.583746] tick_sched_timer+0x45/0x130 |
| [ 396.587826] __hrtimer_run_queues+0x3eb/0x10c0 |
| [ 396.636316] hrtimer_interrupt+0x2f3/0x750 |
| [ 396.640571] smp_apic_timer_interrupt+0x165/0x730 |
| [ 396.668106] apic_timer_interrupt+0xf/0x20 |
| [ 396.672346] </IRQ> |
| [ 396.674589] RIP: 0010:fuse_abort_conn+0xb1f/0x1580 |
| [ 396.698893] RSP: 0018:ffff880198357618 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 |
| [ 396.706602] RAX: 0000000000040000 RBX: dffffc0000000000 RCX: ffffc9000d4c7000 |
| [ 396.713886] RDX: 0000000000040000 RSI: ffffffff8267f418 RDI: ffff8801d7f27270 |
| [ 396.721154] RBP: ffff8801983579e0 R08: ffffed003afe4e50 R09: ffffed003afe4e4f |
| [ 396.728422] R10: ffffed003afe4e4f R11: ffff8801d7f2727b R12: ffff8801ae944108 |
| [ 396.735689] R13: ffff880198357738 R14: ffff8801983579b8 R15: dffffc0000000000 |
| [ 396.815744] fuse_put_super+0x123/0x440 |
| [ 396.841988] generic_shutdown_super+0x1bf/0x530 |
| [ 396.861913] kill_anon_super+0x3c/0x50 |
| [ 396.865801] fuse_kill_sb_anon+0x90/0xb0 |
| [ 396.869866] deactivate_locked_super+0x97/0x100 |
| [ 396.874546] deactivate_super+0x193/0x1c0 |
| [ 396.882779] cleanup_mnt+0xbf/0x160 |
| [ 396.886406] __cleanup_mnt+0x16/0x20 |
| [ 396.890123] task_work_run+0x1ec/0x2a0 |
| [ 396.907192] exit_to_usermode_loop+0x313/0x370 |
| [ 396.920274] do_syscall_64+0x6be/0x820 |
| [ 396.948792] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 396.953981] RIP: 0033:0x456cb9 |
| [ 396.976544] RSP: 002b:00007fc8f9ed9c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 |
| [ 396.984286] RAX: 0000000000000000 RBX: 00007fc8f9eda6d4 RCX: 0000000000456cb9 |
| [ 396.991568] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 |
| [ 396.998834] RBP: 0000000000930280 R08: 0000000000000000 R09: 0000000000000000 |
| [ 397.006100] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff |
| [ 397.013366] R13: 00000000004d6360 R14: 00000000004c9ab8 R15: 0000000000000003 |
