Warning: Permanently added '10.128.0.78' (ECDSA) to the list of known hosts. [ 47.033320] hrtimer: interrupt took 33476 ns [ 152.649067] INFO: rcu_preempt detected stalls on CPUs/tasks: [ 152.649070] INFO: rcu_sched detected stalls on CPUs/tasks: [ 152.660527] [ 152.660531] [ 152.660538] (detected by 0, t=10502 jiffies, g=335, c=334, q=8) [ 152.662229] (detected by 1, t=10502 jiffies, g=1162, c=1161, q=138) [ 152.663921] All QSes seen, last rcu_sched kthread activity 10502 (4294952565-4294942063), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 152.669968] All QSes seen, last rcu_preempt kthread activity 10502 (4294952565-4294942063), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 152.676351] syz-executor753 R [ 152.688371] syz-executor753 R [ 152.700564] running task 26832 8582 8335 0x00000000 [ 152.703647] running task [ 152.706726] Call Trace: [ 152.712423] 27192 8581 8332 0x00000000 [ 152.715589] [ 152.718141] Call Trace: [ 152.718144] [ 152.722277] sched_show_task.cold.22+0x343/0x3a7 [ 152.724396] sched_show_task.cold.22+0x343/0x3a7 [ 152.726981] rcu_check_callbacks.cold.59+0xcbc/0xd13 [ 152.729106] rcu_check_callbacks.cold.59+0xcbc/0xd13 [ 152.733853] update_process_times+0x2a/0x60 [ 152.738581] update_process_times+0x2a/0x60 [ 152.743754] tick_sched_handle.isra.5+0x6f/0x140 [ 152.748829] tick_sched_handle.isra.5+0x6f/0x140 [ 152.753124] tick_sched_timer+0x39/0xf0 [ 152.757417] tick_sched_timer+0x39/0xf0 [ 152.762142] ? tick_sched_handle.isra.5+0x140/0x140 [ 152.766869] ? tick_sched_handle.isra.5+0x140/0x140 [ 152.770818] __hrtimer_run_queues+0x279/0xad0 [ 152.774763] __hrtimer_run_queues+0x279/0xad0 [ 152.779796] ? enqueue_hrtimer+0x330/0x330 [ 152.784797] ? enqueue_hrtimer+0x330/0x330 [ 152.789277] ? ktime_get_update_offsets_now+0x141/0x370 [ 152.793744] ? ktime_get_update_offsets_now+0x141/0x370 [ 152.797954] hrtimer_interrupt+0x1ae/0x600 [ 152.802173] hrtimer_interrupt+0x1ae/0x600 [ 152.807679] ? sched_clock_cpu+0x1b/0x1c0 [ 152.813014] ? sched_clock_cpu+0x1b/0x1c0 [ 152.817228] smp_apic_timer_interrupt+0x11f/0x5d0 [ 152.821524] smp_apic_timer_interrupt+0x11f/0x5d0 [ 152.825642] apic_timer_interrupt+0x9a/0xa0 [ 152.829763] apic_timer_interrupt+0x9a/0xa0 [ 152.834577] [ 152.839402] [ 152.843718] RIP: 0010:kfree+0x1f1/0x270 [ 152.848014] RIP: 0010:update_stack_state+0x3a0/0x650 [ 152.848018] RSP: 0018:ffff8880aad8f390 EFLAGS: 00000282 [ 152.850231] RSP: 0018:ffff888091d47888 EFLAGS: 00000282 [ 152.852455] ORIG_RAX: ffffffffffffff10 [ 152.852459] RAX: ffff8880aad88001 RBX: ffff8880aad8fcc0 RCX: 1ffff110155b1eb0 [ 152.856431] ORIG_RAX: ffffffffffffff10 [ 152.861514] RDX: dffffc0000000000 RSI: ffff8880aad8fcc0 RDI: ffff8880aad8f588 [ 152.861517] RBP: ffff8880aad8f458 R08: 1ffff110155b1eb2 R09: ffff8880aad8f578 [ 152.866860] RAX: 0000000000000007 RBX: ffff88809aca70c0 RCX: 0000000000000000 [ 152.866863] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000282 [ 152.872198] R10: ffff8880aad8f4f0 R11: ffff8880aad8f59f R12: ffffed10155b1e7a [ 152.872201] R13: ffff8880aad8f530 R14: ffff8880aad8f540 R15: ffff8880aad8f580 [ 152.876148] RBP: ffff888091d478a8 R08: 000000000000000d R09: 0000000000000000 [ 152.883410] ? __read_once_size_nocheck.constprop.7+0x10/0x10 [ 152.887341] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000282 [ 152.887344] R13: ffff88813fe501c0 R14: ffffffff8359ab4e R15: fffffbfff15f8a11 [ 152.894595] ? unwind_next_frame.part.6+0x1a3/0xa40 [ 152.901840] ? tty_open+0x31e/0x8e0 [ 152.909084] unwind_next_frame.part.6+0x1a3/0xa40 [ 152.916339] tty_open+0x31e/0x8e0 [ 152.923574] ? unwind_dump+0x100/0x100 [ 152.930823] ? tty_init_dev+0x350/0x350 [ 152.938067] ? unwind_dump+0x100/0x100 [ 152.943948] ? do_raw_spin_unlock+0x16a/0x250 [ 152.951193] ? __unwind_start+0x1ed/0x400 [ 152.958456] chrdev_open+0x1e9/0x5b0 [ 152.963541] unwind_next_frame+0x35/0x40 [ 152.967143] ? retint_kernel+0x2d/0x2d [ 152.972062] __save_stack_trace+0x6e/0xd0 [ 152.975504] ? cdev_put.part.0+0x50/0x50 [ 152.979369] ? do_filp_open+0x16b/0x220 [ 152.983338] do_dentry_open+0x3e4/0xde0 [ 152.987202] save_stack_trace+0x16/0x20 [ 152.991674] ? cdev_put.part.0+0x50/0x50 [ 152.995809] kasan_kmalloc.part.1+0x62/0xf0 [ 152.999503] vfs_open+0xfc/0x240 [ 153.003539] ? save_stack_trace+0x16/0x20 [ 153.007396] ? may_open.isra.21+0xac/0x270 [ 153.011514] ? kasan_kmalloc.part.1+0x62/0xf0 [ 153.011518] ? kasan_kmalloc+0xaf/0xc0 [ 153.015559] ? complete_walk+0x71/0x1b0 [ 153.019505] ? kasan_slab_alloc+0x12/0x20 [ 153.023457] path_openat+0xb6f/0x2760 [ 153.027428] ? kmem_cache_alloc_trace+0x13b/0x3f0 [ 153.031469] ? path_mountpoint+0x890/0x890 [ 153.035773] ? tty_open+0x135/0x8e0 [ 153.039113] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 153.043230] ? chrdev_open+0x1e9/0x5b0 [ 153.047440] ? retint_kernel+0x2d/0x2d [ 153.051901] ? do_dentry_open+0x3e4/0xde0 [ 153.055788] do_filp_open+0x16b/0x220 [ 153.059732] ? vfs_open+0xfc/0x240 [ 153.063867] ? __alloc_fd+0x189/0x420 [ 153.067639] ? path_openat+0xb6f/0x2760 [ 153.072457] ? may_open_dev+0xc0/0xc0 [ 153.076774] ? trace_hardirqs_on+0x10/0x10 [ 153.080375] ? _raw_spin_unlock+0x2c/0x50 [ 153.085102] ? __schedule+0x1621/0x1ee0 [ 153.088966] ? __alloc_fd+0x189/0x420 [ 153.092821] ? lock_downgrade+0x7f0/0x7f0 [ 153.096941] ? kmem_cache_alloc+0x36a/0x3e0 [ 153.100712] ? lock_repin_lock+0x5a0/0x5a0 [ 153.104231] do_sys_open+0x1d0/0x350 [ 153.107999] ? _raw_spin_unlock_irq+0x27/0x90 [ 153.112038] ? filp_open+0x50/0x50 [ 153.115908] ? lock_downgrade+0x7f0/0x7f0 [ 153.120114] ? do_syscall_64+0x4c/0x5b0 [ 153.124245] ? kasan_unpoison_shadow+0x35/0x50 [ 153.128189] ? SyS_open+0x20/0x20 [ 153.131966] kasan_kmalloc+0xaf/0xc0 [ 153.136085] SyS_openat+0xf/0x20 [ 153.140392] kasan_slab_alloc+0x12/0x20 [ 153.144610] do_syscall_64+0x1c7/0x5b0 [ 153.148295] kmem_cache_alloc_trace+0x13b/0x3f0 [ 153.152765] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 153.156282] tty_open+0x135/0x8e0 [ 153.160401] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 153.164365] ? tty_init_dev+0x350/0x350 [ 153.168918] RIP: 0033:0x7fb02c6d8ae9 [ 153.172346] ? do_raw_spin_lock+0x194/0x230 [ 153.176028] RSP: 002b:00007fb02c68a318 EFLAGS: 00000246 [ 153.179373] ? do_raw_spin_unlock+0x16a/0x250 [ 153.183332] ORIG_RAX: 0000000000000101 [ 153.187226] chrdev_open+0x1e9/0x5b0 [ 153.191864] RAX: ffffffffffffffda RBX: 00007fb02c7603e8 RCX: 00007fb02c6d8ae9 [ 153.196684] ? cdev_put.part.0+0x50/0x50 [ 153.200107] RDX: 0000000000000802 RSI: 0000000020000840 RDI: ffffffffffffff9c [ 153.205273] ? do_raw_spin_unlock+0x16a/0x250 [ 153.209215] RBP: 00007fb02c7603e0 R08: 0000000000000000 R09: 0000000000000000 [ 153.209219] R10: 0000000000000000 R11: 0000000000000246 R12: 7974742f7665642f [ 153.212909] ? security_file_open+0x128/0x170 [ 153.217199] R13: 00007ffd6fdc3a1f R14: 00007fb02c68a400 R15: 0000000000022000 [ 153.217216] rcu_sched kthread starved for 10502 jiffies! g335 c334 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1 [ 153.222543] do_dentry_open+0x3e4/0xde0 [ 153.227009] rcu_sched R [ 153.230963] ? cdev_put.part.0+0x50/0x50 [ 153.234642] running task 29752 9 2 0x80000000 [ 153.241895] vfs_open+0xfc/0x240 [ 153.245926] Call Trace: [ 153.253191] ? may_open.isra.21+0xac/0x270 [ 153.257677] __schedule+0x824/0x1ee0 [ 153.265033] ? complete_walk+0x71/0x1b0 [ 153.272408] ? __sched_text_start+0x8/0x8 [ 153.276874] path_openat+0xb6f/0x2760 [ 153.284121] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 153.296329] ? retint_kernel+0x2d/0x2d [ 153.300308] schedule+0x7f/0x1b0 [ 153.303396] ? path_mountpoint+0x890/0x890 [ 153.307425] schedule_timeout+0x41f/0xcc0 [ 153.313122] ? retint_kernel+0x2d/0x2d [ 153.316479] ? usleep_range+0x120/0x120 [ 153.319038] ? lock_is_held_type+0x18b/0x210 [ 153.323240] ? prepare_to_swait+0xe5/0x130 [ 153.326943] do_filp_open+0x16b/0x220 [ 153.330886] ? run_timer_softirq+0x540/0x540 [ 153.335013] ? __alloc_fd+0x189/0x420 [ 153.338790] rcu_gp_kthread+0xb69/0x1df0 [ 153.343860] ? may_open_dev+0xc0/0xc0 [ 153.347736] ? force_qs_rnp+0x4d0/0x4d0 [ 153.351076] ? _raw_spin_unlock+0x2c/0x50 [ 153.355280] kthread+0x338/0x400 [ 153.359391] ? __alloc_fd+0x189/0x420 [ 153.363512] ? force_qs_rnp+0x4d0/0x4d0 [ 153.367486] ? kmem_cache_alloc+0x36a/0x3e0 [ 153.371866] ? __kthread_cancel_work+0x170/0x170 [ 153.376081] do_sys_open+0x1d0/0x350 [ 153.379857] ret_from_fork+0x24/0x30 [ 153.384325] ? filp_open+0x50/0x50 [ 153.435178] ? do_syscall_64+0x4c/0x5b0 [ 153.439143] ? SyS_open+0x20/0x20 [ 153.442579] SyS_openat+0xf/0x20 [ 153.445933] do_syscall_64+0x1c7/0x5b0 [ 153.449806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 153.454637] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 153.459810] RIP: 0033:0x7fb02c6d8ae9 [ 153.463506] RSP: 002b:00007fb02c68a318 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 153.471461] RAX: ffffffffffffffda RBX: 00007fb02c7603e8 RCX: 00007fb02c6d8ae9 [ 153.478728] RDX: 0000000000000802 RSI: 0000000020000840 RDI: ffffffffffffff9c [ 153.485982] RBP: 00007fb02c7603e0 R08: 0000000000000000 R09: 0000000000000000 [ 153.493246] R10: 0000000000000000 R11: 0000000000000246 R12: 7974742f7665642f [ 153.500501] R13: 00007ffd6fdc3a1f R14: 00007fb02c68a400 R15: 0000000000022000 [ 153.507769] rcu_preempt kthread starved for 10502 jiffies! g1162 c1161 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=0 [ 153.518256] rcu_preempt R running task 29720 8 2 0x80000000 [ 153.525438] Call Trace: [ 153.528014] __schedule+0x824/0x1ee0 [ 153.531719] ? __sched_text_start+0x8/0x8 [ 153.535852] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 153.540595] ? preempt_schedule+0x4d/0x60 [ 153.544733] preempt_schedule_common+0x1f/0xe0 [ 153.549300] preempt_schedule+0x4d/0x60 [ 153.553256] ___preempt_schedule+0x16/0x18 [ 153.557483] _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 153.562398] debug_object_free+0x22d/0x390 [ 153.566643] schedule_timeout+0x441/0xcc0 [ 153.570864] ? usleep_range+0x120/0x120 [ 153.574825] ? prepare_to_swait+0xe5/0x130 [ 153.579054] ? run_timer_softirq+0x540/0x540 [ 153.583454] rcu_gp_kthread+0xb69/0x1df0 [ 153.587507] ? force_qs_rnp+0x4d0/0x4d0 [ 153.591473] kthread+0x338/0x400 [ 153.594821] ? force_qs_rnp+0x4d0/0x4d0 [ 153.598787] ? __kthread_cancel_work+0x170/0x170 [ 153.603548] ret_from_fork+0x24/0x30