[ 15.978168][ C3] [ 15.978305][ C3] ================================ [ 15.978499][ C3] WARNING: inconsistent lock state [ 15.978687][ C3] 6.15.0-virtme #1 Not tainted [ 15.978875][ C3] -------------------------------- [ 15.979057][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.979283][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.979510][ C3] ffffffff91dc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 15.979841][ C3] {SOFTIRQ-ON-W} state was registered at: [ 15.980022][ C3] __lock_acquire+0x20b/0x7e0 [ 15.980211][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.980392][ C3] _raw_spin_lock+0x33/0x40 [ 15.980577][ C3] simple_pin_fs+0x24/0x150 [ 15.980763][ C3] start_creating.part.0+0x52/0x310 [ 15.980947][ C3] debugfs_create_dir+0x6a/0x540 [ 15.981135][ C3] component_debug_init+0x17/0x30 [ 15.981320][ C3] do_one_initcall+0x8f/0x1e0 [ 15.981507][ C3] do_initcalls+0x176/0x280 [ 15.981691][ C3] kernel_init_freeable+0x22d/0x300 [ 15.981874][ C3] kernel_init+0x20/0x200 [ 15.982057][ C3] ret_from_fork+0x240/0x320 [ 15.982243][ C3] ret_from_fork_asm+0x1a/0x30 [ 15.982426][ C3] irq event stamp: 303076 [ 15.982565][ C3] hardirqs last enabled at (303076): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.982935][ C3] hardirqs last disabled at (303075): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.983302][ C3] softirqs last enabled at (301146): [] handle_softirqs+0x358/0x620 [ 15.983627][ C3] softirqs last disabled at (301153): [] __irq_exit_rcu+0xfa/0x160 [ 15.983947][ C3] [ 15.983947][ C3] other info that might help us debug this: [ 15.984220][ C3] Possible unsafe locking scenario: [ 15.984220][ C3] [ 15.984490][ C3] CPU0 [ 15.984628][ C3] ---- [ 15.984767][ C3] lock(pin_fs_lock); [ 15.984909][ C3] [ 15.985047][ C3] lock(pin_fs_lock); [ 15.985188][ C3] [ 15.985188][ C3] *** DEADLOCK *** [ 15.985188][ C3] [ 15.985462][ C3] 1 lock held by swapper/3/0: [ 15.985649][ C3] #0: ffffffff91b774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.985978][ C3] [ 15.985978][ C3] stack backtrace: [ 15.986208][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.986212][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.986214][ C3] Call Trace: [ 15.986216][ C3] [ 15.986218][ C3] dump_stack_lvl+0x82/0xd0 [ 15.986224][ C3] print_usage_bug.part.0+0x25f/0x360 [ 15.986229][ C3] mark_lock_irq+0x343/0x400 [ 15.986233][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 15.986238][ C3] ? save_trace+0x52/0x170 [ 15.986244][ C3] mark_lock+0x174/0x2f0 [ 15.986247][ C3] mark_usage+0x46/0x150 [ 15.986250][ C3] __lock_acquire+0x20b/0x7e0 [ 15.986254][ C3] ? __lock_acquire+0x44d/0x7e0 [ 15.986258][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.986261][ C3] ? simple_pin_fs+0x24/0x150 [ 15.986265][ C3] ? rcu_is_watching+0x12/0xc0 [ 15.986270][ C3] ? lock_acquire+0x10c/0x170 [ 15.986272][ C3] ? simple_pin_fs+0x24/0x150 [ 15.986277][ C3] _raw_spin_lock+0x33/0x40 [ 15.986280][ C3] ? simple_pin_fs+0x24/0x150 [ 15.986283][ C3] simple_pin_fs+0x24/0x150 [ 15.986287][ C3] debugfs_remove+0x35/0x70 [ 15.986290][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 15.986297][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.986300][ C3] ? __sk_destruct+0x383/0x780 [ 15.986306][ C3] ? rcu_do_batch+0x34c/0xf20 [ 15.986309][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.986312][ C3] ? irq_exit_rcu+0xe/0x30 [ 15.986315][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.986320][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.986324][ C3] ? pv_native_safe_halt+0xf/0x20 [ 15.986327][ C3] ? default_idle+0x9/0x10 [ 15.986329][ C3] ? default_idle_call+0x6d/0xb0 [ 15.986332][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.986336][ C3] ? do_idle+0xf6/0x160 [ 15.986338][ C3] ? cpu_startup_entry+0x54/0x60 [ 15.986340][ C3] ? start_secondary+0x213/0x2a0 [ 15.986344][ C3] ? common_startup_64+0x13e/0x148 [ 15.986351][ C3] __put_net+0x19/0x60 [ 15.986355][ C3] __sk_destruct+0x58a/0x780 [ 15.986360][ C3] ? rcu_do_batch+0x34a/0xf20 [ 15.986362][ C3] rcu_do_batch+0x34c/0xf20 [ 15.986365][ C3] ? find_held_lock+0x2b/0x80 [ 15.986369][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.986373][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.986377][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.986379][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.986384][ C3] rcu_core+0x2bb/0x500 [ 15.986389][ C3] handle_softirqs+0x218/0x620 [ 15.986394][ C3] __irq_exit_rcu+0xfa/0x160 [ 15.986397][ C3] irq_exit_rcu+0xe/0x30 [ 15.986400][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.986404][ C3] [ 15.986405][ C3] [ 15.986406][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.986409][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.986414][ C3] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 15.986416][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 15.986419][ C3] RAX: 000000000004985f RBX: 1ffff9200002afc1 RCX: ffffffff90b8f5d9 [ 15.986421][ C3] RDX: 0000000000000000 RSI: ffffffff9168f4e4 RDI: ffffffff90e53be0 [ 15.986423][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 15.986425][ C3] R10: ffff8880361b37d3 R11: ffffffff91811288 R12: 0000000000000000 [ 15.986426][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 15.986430][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.986435][ C3] default_idle+0x9/0x10 [ 15.986438][ C3] default_idle_call+0x6d/0xb0 [ 15.986440][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 15.986443][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.986447][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.986452][ C3] do_idle+0xf6/0x160 [ 15.986455][ C3] cpu_startup_entry+0x54/0x60 [ 15.986458][ C3] start_secondary+0x213/0x2a0 [ 15.986461][ C3] ? __pfx_start_secondary+0x10/0x10 [ 15.986465][ C3] common_startup_64+0x13e/0x148 [ 15.986472][ C3] [ 16.001218][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 16.001524][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 16.001822][ C3] preempt_count: 101, expected: 0 [ 16.001992][ C3] RCU nest depth: 0, expected: 0 [ 16.002166][ C3] INFO: lockdep is turned off. [ 16.002338][ C3] Preemption disabled at: [ 16.002339][ C3] [<0000000000000000>] 0x0 [ 16.002647][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 16.002652][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.002654][ C3] Call Trace: [ 16.002655][ C3] [ 16.002657][ C3] dump_stack_lvl+0xb0/0xd0 [ 16.002665][ C3] __might_resched+0x360/0x5a0 [ 16.002671][ C3] down_write+0x72/0x210 [ 16.002675][ C3] ? __pfx_down_write+0x10/0x10 [ 16.002678][ C3] ? simple_recursive_removal+0x33/0x610 [ 16.002682][ C3] ? rcu_is_watching+0x12/0xc0 [ 16.002687][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 16.002692][ C3] simple_recursive_removal+0x6a/0x610 [ 16.002695][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 16.002698][ C3] ? __pfx_remove_one+0x10/0x10 [ 16.002703][ C3] debugfs_remove+0x44/0x70 [ 16.002706][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 16.002711][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 16.002715][ C3] ? __sk_destruct+0x383/0x780 [ 16.002719][ C3] ? rcu_do_batch+0x34c/0xf20 [ 16.002722][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 16.002725][ C3] ? irq_exit_rcu+0xe/0x30 [ 16.002728][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.002732][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.002735][ C3] ? pv_native_safe_halt+0xf/0x20 [ 16.002739][ C3] ? default_idle+0x9/0x10 [ 16.002741][ C3] ? default_idle_call+0x6d/0xb0 [ 16.002744][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 16.002748][ C3] ? do_idle+0xf6/0x160 [ 16.002750][ C3] ? cpu_startup_entry+0x54/0x60 [ 16.002752][ C3] ? start_secondary+0x213/0x2a0 [ 16.002755][ C3] ? common_startup_64+0x13e/0x148 [ 16.002763][ C3] __put_net+0x19/0x60 [ 16.002766][ C3] __sk_destruct+0x58a/0x780 [ 16.002770][ C3] ? rcu_do_batch+0x34a/0xf20 [ 16.002773][ C3] rcu_do_batch+0x34c/0xf20 [ 16.002776][ C3] ? find_held_lock+0x2b/0x80 [ 16.002782][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 16.002785][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.002789][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 16.002792][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 16.002796][ C3] rcu_core+0x2bb/0x500 [ 16.002801][ C3] handle_softirqs+0x218/0x620 [ 16.002806][ C3] __irq_exit_rcu+0xfa/0x160 [ 16.002809][ C3] irq_exit_rcu+0xe/0x30 [ 16.002811][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.002815][ C3] [ 16.002816][ C3] [ 16.002818][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.002820][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 16.002824][ C3] Code: a2 b5 00 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 47 10 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 16.002827][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 16.002830][ C3] RAX: 000000000004985f RBX: 1ffff9200002afc1 RCX: ffffffff90b8f5d9 [ 16.002832][ C3] RDX: 0000000000000000 RSI: ffffffff9168f4e4 RDI: ffffffff90e53be0 [ 16.002833][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 16.002835][ C3] R10: ffff8880361b37d3 R11: ffffffff91811288 R12: 0000000000000000 [ 16.002836][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 16.002840][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 16.002845][ C3] default_idle+0x9/0x10 [ 16.002848][ C3] default_idle_call+0x6d/0xb0 [ 16.002850][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 16.002853][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 16.002857][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 16.002861][ C3] do_idle+0xf6/0x160 [ 16.002864][ C3] cpu_startup_entry+0x54/0x60 [ 16.002867][ C3] start_secondary+0x213/0x2a0 [ 16.002870][ C3] ? __pfx_start_secondary+0x10/0x10 [ 16.002875][ C3] common_startup_64+0x13e/0x148 [ 16.002882][ C3] [ 18.248071][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 18.248497][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 212, name: sh [ 18.248816][ C2] preempt_count: 100, expected: 0 [ 18.249031][ C2] RCU nest depth: 1, expected: 0 [ 18.249246][ C2] INFO: lockdep is turned off. [ 18.249466][ C2] Preemption disabled at: [ 18.249468][ C2] [] handle_softirqs+0xe5/0x620 [ 18.249904][ C2] CPU: 2 UID: 0 PID: 212 Comm: sh Tainted: G W 6.15.0-virtme #1 PREEMPT(full) [ 18.249909][ C2] Tainted: [W]=WARN [ 18.249911][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.249913][ C2] Call Trace: [ 18.249914][ C2] [ 18.249916][ C2] dump_stack_lvl+0xb0/0xd0 [ 18.249923][ C2] __might_resched+0x360/0x5a0 [ 18.249930][ C2] down_write+0x72/0x210 [ 18.249934][ C2] ? __pfx_down_write+0x10/0x10 [ 18.249937][ C2] ? simple_recursive_removal+0x33/0x610 [ 18.249942][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.249947][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 18.249952][ C2] simple_recursive_removal+0x6a/0x610 [ 18.249955][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 18.249958][ C2] ? __pfx_remove_one+0x10/0x10 [ 18.249964][ C2] debugfs_remove+0x44/0x70 [ 18.249967][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 18.249973][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 18.249976][ C2] ? __sk_destruct+0x383/0x780 [ 18.249982][ C2] ? rcu_do_batch+0x34c/0xf20 [ 18.249986][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 18.249989][ C2] ? irq_exit_rcu+0xe/0x30 [ 18.249992][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 18.249997][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.250000][ C2] ? trace_lock_release+0x1d/0xd0 [ 18.250005][ C2] ? lock_release+0x13/0xc0 [ 18.250008][ C2] ? __is_insn_slot_addr+0xf5/0x240 [ 18.250014][ C2] ? kernel_text_address+0x70/0xe0 [ 18.250017][ C2] ? __kernel_text_address+0x12/0x40 [ 18.250019][ C2] ? unwind_get_return_address+0x5e/0xa0 [ 18.250023][ C2] ? arch_stack_walk+0xa1/0xf0 [ 18.250028][ C2] ? stack_trace_save+0x93/0xd0 [ 18.250031][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 18.250035][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250040][ C2] __put_net+0x19/0x60 [ 18.250043][ C2] __sk_destruct+0x58a/0x780 [ 18.250047][ C2] ? rcu_do_batch+0x34a/0xf20 [ 18.250050][ C2] rcu_do_batch+0x34c/0xf20 [ 18.250054][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 18.250058][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250061][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 18.250068][ C2] rcu_core+0x2bb/0x500 [ 18.250073][ C2] handle_softirqs+0x218/0x620 [ 18.250078][ C2] __irq_exit_rcu+0xfa/0x160 [ 18.250081][ C2] irq_exit_rcu+0xe/0x30 [ 18.250083][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 18.250087][ C2] [ 18.250088][ C2] [ 18.250090][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.250093][ C2] RIP: 0010:trace_lock_release+0x1d/0xd0 [ 18.250097][ C2] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 53 66 90 65 8b 05 aa c5 14 05 83 f8 3f 0f 87 a3 00 00 00 89 c0 48 0f a3 05 33 ae 20 04 <72> 06 5b c3 cc cc cc cc e8 66 0a 09 00 84 c0 75 f1 0f b6 1d a4 ec [ 18.250100][ C2] RSP: 0018:ffffc90000a97630 EFLAGS: 00000297 [ 18.250103][ C2] RAX: 0000000000000002 RBX: ffffffff91c11088 RCX: 0000000000000002 [ 18.250105][ C2] RDX: 1ffffffff2382211 RSI: ffffffff8e5b17f0 RDI: ffffffff91b775e0 [ 18.250107][ C2] RBP: ffffffff91b775e0 R08: 0000000000000000 R09: 0000000000000000 [ 18.250109][ C2] R10: ffffffff8e5b1729 R11: ffffc90000a97710 R12: ffffffff8e5b17f0 [ 18.250111][ C2] R13: ffffffff91c11088 R14: ffff88800ade0040 R15: ffff88800b1d0570 [ 18.250113][ C2] ? __is_insn_slot_addr+0xf0/0x240 [ 18.250117][ C2] ? __is_insn_slot_addr+0x29/0x240 [ 18.250121][ C2] ? __is_insn_slot_addr+0xf0/0x240 [ 18.250126][ C2] lock_release+0x13/0xc0 [ 18.250129][ C2] __is_insn_slot_addr+0xf5/0x240 [ 18.250133][ C2] kernel_text_address+0x70/0xe0 [ 18.250136][ C2] __kernel_text_address+0x12/0x40 [ 18.250138][ C2] unwind_get_return_address+0x5e/0xa0 [ 18.250141][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 18.250144][ C2] arch_stack_walk+0xa1/0xf0 [ 18.250151][ C2] stack_trace_save+0x93/0xd0 [ 18.250153][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 18.250155][ C2] ? kasan_save_stack+0x24/0x50 [ 18.250162][ C2] ? kasan_save_stack+0x34/0x50 [ 18.250164][ C2] ? kasan_save_stack+0x24/0x50 [ 18.250167][ C2] kasan_save_stack+0x24/0x50 [ 18.250170][ C2] ? kasan_save_stack+0x24/0x50 [ 18.250173][ C2] ? kasan_record_aux_stack+0x8c/0xa0 [ 18.250176][ C2] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 18.250179][ C2] ? release_task+0x35f/0x860 [ 18.250182][ C2] ? wait_task_zombie+0x5a3/0x1e60 [ 18.250185][ C2] ? __do_wait+0x19d/0x730 [ 18.250188][ C2] ? do_wait+0x165/0x340 [ 18.250191][ C2] ? kernel_wait4+0xf5/0x1d0 [ 18.250193][ C2] ? __do_sys_wait4+0xf2/0x100 [ 18.250196][ C2] ? do_syscall_64+0xc1/0x380 [ 18.250198][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.250201][ C2] ? do_raw_spin_lock+0x130/0x270 [ 18.250204][ C2] ? do_raw_spin_lock+0x130/0x270 [ 18.250208][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 18.250211][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250215][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250217][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 18.250221][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 18.250225][ C2] ? debug_object_active_state+0x2f5/0x400 [ 18.250230][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250233][ C2] ? __virt_addr_valid+0x22e/0x450 [ 18.250236][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250239][ C2] ? trace_lock_release+0x2a/0xd0 [ 18.250242][ C2] ? lock_release+0x13/0xc0 [ 18.250245][ C2] ? __virt_addr_valid+0x23d/0x450 [ 18.250249][ C2] kasan_record_aux_stack+0x8c/0xa0 [ 18.250252][ C2] ? __pfx_delayed_put_task_struct+0x10/0x10 [ 18.250255][ C2] __call_rcu_common.constprop.0+0xa1/0x610 [ 18.250260][ C2] release_task+0x35f/0x860 [ 18.250264][ C2] ? __pfx_release_task+0x10/0x10 [ 18.250267][ C2] ? do_raw_spin_lock+0x130/0x270 [ 18.250271][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250276][ C2] wait_task_zombie+0x5a3/0x1e60 [ 18.250280][ C2] ? __pfx___schedule+0x10/0x10 [ 18.250285][ C2] ? __pfx_wait_task_zombie+0x10/0x10 [ 18.250289][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250293][ C2] ? wait_consider_task+0x25a/0x580 [ 18.250297][ C2] __do_wait+0x19d/0x730 [ 18.250302][ C2] do_wait+0x165/0x340 [ 18.250307][ C2] kernel_wait4+0xf5/0x1d0 [ 18.250309][ C2] ? __pfx_kernel_wait4+0x10/0x10 [ 18.250313][ C2] ? __pfx_child_wait_callback+0x10/0x10 [ 18.250317][ C2] ? find_held_lock+0x2b/0x80 [ 18.250322][ C2] __do_sys_wait4+0xf2/0x100 [ 18.250325][ C2] ? __pfx___do_sys_wait4+0x10/0x10 [ 18.250328][ C2] ? _copy_to_user+0x5c/0x80 [ 18.250331][ C2] ? __x64_sys_rt_sigaction+0x15d/0x260 [ 18.250336][ C2] ? __pfx___x64_sys_rt_sigaction+0x10/0x10 [ 18.250339][ C2] ? __lock_release+0x5d/0x170 [ 18.250343][ C2] ? exc_page_fault+0x5d/0xc0 [ 18.250348][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.250351][ C2] ? do_syscall_64+0x85/0x380 [ 18.250354][ C2] do_syscall_64+0xc1/0x380 [ 18.250357][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.250360][ C2] RIP: 0033:0x7f3b0526930a [ 18.250366][ C2] Code: Unable to access opcode bytes at 0x7f3b052692e0. [ 18.250368][ C2] RSP: 002b:00007fffbdb79a28 EFLAGS: 00000246 ORIG_RAX: 000000000000003d [ 18.250371][ C2] RAX: ffffffffffffffda RBX: 00005633d69db2d0 RCX: 00007f3b0526930a [ 18.250373][ C2] RDX: 0000000000000000 RSI: 00007fffbdb79a50 RDI: 00000000ffffffff [ 18.250374][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 18.250376][ C2] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 18.250377][ C2] R13: 0000000000000000 R14: 00007fffbdb79ab0 R15: 0000000000000000 [ 18.250385][ C2]