| TITLE: INFO: rcu detected stall in uhaul_release |
| TYPE: HANG |
| |
| [ 3481.239960] INFO: rcu_sched detected stalls on CPUs/tasks: |
| [ 3481.239969] (detected by 1, t=105002 jiffies, g=687946, c=687945, q=520) |
| [ 3481.239975] All QSes seen, last rcu_sched kthread activity 103964 (4298143477-4298039513), jiffies_till_next_fqs=3, root ->qsmask 0x0 |
| [ 3481.239987] syz-executor0 R running task on cpu 1 0 315571 315308 0x0000000e 3375506638533 |
| [ 3481.240033] 000000000004cfac 000000007b396287 ffff8801dab07c50 ffffffff816efb87 |
| [ 3481.240042] ffff8801dab20880 00000001003076f5 00000001002ee0d9 ffffffff83fca0c0 |
| [ 3481.240050] 0000000000000003 ffff8801dab07c60 ffffffff816f030c ffff8801dab07d30 |
| [ 3481.240052] Call Trace: |
| [ 3481.240067] <IRQ> [<ffffffff816efb87>] _sched_show_task+0x31a/0x325 |
| [ 3481.240075] [<ffffffff816f030c>] sched_show_task+0x10/0x12 |
| [ 3481.240082] [<ffffffff816fabed>] rcu_check_callbacks.cold.76+0xbfa/0xc77 |
| [ 3481.240092] [<ffffffff814f5cdf>] update_process_times+0x3f/0x70 |
| [ 3481.240101] [<ffffffff8151f1ea>] tick_sched_handle.isra.16+0x5a/0x100 |
| [ 3481.240108] [<ffffffff8151f89a>] tick_sched_timer+0x7a/0x130 |
| [ 3481.240115] [<ffffffff814f8e15>] __hrtimer_run_queues+0x3a5/0xc50 |
| [ 3481.240160] [<ffffffff814fa03e>] hrtimer_interrupt+0x18e/0x400 |
| [ 3481.240169] [<ffffffff8129a744>] local_apic_timer_interrupt+0x74/0x90 |
| [ 3481.240177] [<ffffffff81012dff>] smp_apic_timer_interrupt+0xdf/0x130 |
| [ 3481.240186] [<ffffffff81011c72>] smp_apic_timer_interrupt_entry_after_kaiser_bti+0x20/0x2e |
| [ 3481.240196] <EOI> [<ffffffff815bcdb1>] ? __sanitizer_cov_trace_pc+0x21/0x60 |
| [ 3481.240204] [<ffffffff8152dedc>] smp_call_function_single+0x26c/0x330 |
| [ 3481.240241] [<ffffffff8152eaa5>] smp_cfm_core+0x6a5/0x7e0 |
| [ 3481.240269] [<ffffffff8152ee6b>] on_each_cpu+0x6b/0x120 |
| [ 3481.240278] [<ffffffff812dd836>] flush_tlb_kernel_range+0x86/0xe0 |
| [ 3481.240294] [<ffffffff817ea3cc>] __purge_vmap_area_lazy+0x3ec/0xf40 |
| [ 3481.240333] [<ffffffff817eb5df>] free_vmap_area_noflush+0x1bf/0x200 |
| [ 3481.240362] [<ffffffff817ee77e>] remove_vm_area+0x13e/0x1c0 |
| [ 3481.240368] [<ffffffff817ee849>] __vunmap+0x49/0x330 |
| [ 3481.240374] [<ffffffff817eebf5>] vfree+0x55/0xe0 |
| [ 3481.240381] [<ffffffff8177bc6b>] kvfree+0x3b/0x60 |
| [ 3481.240389] [<ffffffff82430b98>] uhaul_rx_release+0x268/0x5a0 |
| [ 3481.240412] [<ffffffff82428bee>] uhaul_release+0xce/0x3a0 |
| [ 3481.240432] [<ffffffff82a06882>] sock_release+0x92/0x1b0 |
| [ 3481.240438] [<ffffffff82a069bb>] sock_close+0x1b/0x20 |
| [ 3481.240446] [<ffffffff8189fbae>] __fput+0x22e/0x6d0 |
| [ 3481.240453] [<ffffffff818a00da>] ____fput+0x1a/0x20 |
| [ 3481.240462] [<ffffffff813a0710>] task_work_run+0x1a0/0x240 |
| [ 3481.240470] [<ffffffff8136f8e8>] get_signal+0x1098/0x14a0 |
| [ 3481.240486] [<ffffffff8123b14e>] do_signal+0x7e/0x400 |
| [ 3481.240524] [<ffffffff8101a530>] prepare_exit_to_usermode+0x170/0x390 |
| [ 3481.240531] [<ffffffff8101a817>] syscall_return_slowpath+0xc7/0x5c0 |
| [ 3481.240538] [<ffffffff8307e1e3>] int_ret_from_sys_call+0x25/0xba |
