[ 16.118674][ C3] [ 16.118812][ C3] ================================ [ 16.119013][ C3] WARNING: inconsistent lock state [ 16.119211][ C3] 6.15.0-rc7-virtme #1 Not tainted [ 16.119411][ C3] -------------------------------- [ 16.119597][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 16.119830][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 16.120068][ C3] ffffffffa85bff78 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 16.120408][ C3] {SOFTIRQ-ON-W} state was registered at: [ 16.120597][ C3] __lock_acquire+0x3eb/0x9d0 [ 16.120794][ C3] lock_acquire.part.0+0xb6/0x240 [ 16.120984][ C3] _raw_spin_lock+0x33/0x40 [ 16.121175][ C3] simple_pin_fs+0x24/0x150 [ 16.121366][ C3] start_creating.part.0+0x3f/0x2f0 [ 16.121556][ C3] debugfs_create_dir+0x6a/0x540 [ 16.121745][ C3] component_debug_init+0x17/0x30 [ 16.121935][ C3] do_one_initcall+0x8f/0x1e0 [ 16.122126][ C3] do_initcalls+0x176/0x280 [ 16.122316][ C3] kernel_init_freeable+0x22d/0x300 [ 16.122513][ C3] kernel_init+0x20/0x200 [ 16.122702][ C3] ret_from_fork+0x31/0x70 [ 16.122895][ C3] ret_from_fork_asm+0x1a/0x30 [ 16.123083][ C3] irq event stamp: 278604 [ 16.123228][ C3] hardirqs last enabled at (278604): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.123608][ C3] hardirqs last disabled at (278603): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 16.123989][ C3] softirqs last enabled at (277262): [] handle_softirqs+0x358/0x620 [ 16.124326][ C3] softirqs last disabled at (277275): [] __irq_exit_rcu+0xfa/0x160 [ 16.124658][ C3] [ 16.124658][ C3] other info that might help us debug this: [ 16.124937][ C3] Possible unsafe locking scenario: [ 16.124937][ C3] [ 16.125228][ C3] CPU0 [ 16.125374][ C3] ---- [ 16.125515][ C3] lock(pin_fs_lock); [ 16.125660][ C3] [ 16.125804][ C3] lock(pin_fs_lock); [ 16.125949][ C3] [ 16.125949][ C3] *** DEADLOCK *** [ 16.125949][ C3] [ 16.126233][ C3] 1 lock held by swapper/3/0: [ 16.126424][ C3] #0: ffffffffa83749c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 16.126765][ C3] [ 16.126765][ C3] stack backtrace: [ 16.126999][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 16.127004][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.127006][ C3] Call Trace: [ 16.127008][ C3] [ 16.127010][ C3] dump_stack_lvl+0x82/0xd0 [ 16.127016][ C3] print_usage_bug.part.0+0x25f/0x360 [ 16.127021][ C3] mark_lock_irq+0x343/0x400 [ 16.127026][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 16.127032][ C3] ? save_trace+0x52/0x170 [ 16.127036][ C3] mark_lock+0x174/0x2f0 [ 16.127040][ C3] mark_usage+0x46/0x150 [ 16.127044][ C3] __lock_acquire+0x3eb/0x9d0 [ 16.127050][ C3] lock_acquire.part.0+0xb6/0x240 [ 16.127052][ C3] ? simple_pin_fs+0x24/0x150 [ 16.127055][ C3] ? rcu_is_watching+0x12/0xc0 [ 16.127061][ C3] ? lock_acquire+0x10c/0x170 [ 16.127063][ C3] ? simple_pin_fs+0x24/0x150 [ 16.127066][ C3] _raw_spin_lock+0x33/0x40 [ 16.127069][ C3] ? simple_pin_fs+0x24/0x150 [ 16.127071][ C3] simple_pin_fs+0x24/0x150 [ 16.127074][ C3] debugfs_remove+0x35/0x70 [ 16.127077][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 16.127082][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 16.127085][ C3] ? __sk_destruct+0x383/0x780 [ 16.127090][ C3] ? rcu_do_batch+0x34f/0xf20 [ 16.127094][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 16.127097][ C3] ? irq_exit_rcu+0xe/0x30 [ 16.127099][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.127103][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.127107][ C3] ? pv_native_safe_halt+0xf/0x20 [ 16.127110][ C3] ? default_idle+0x9/0x10 [ 16.127112][ C3] ? default_idle_call+0x6d/0xb0 [ 16.127115][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 16.127120][ C3] ? do_idle+0xf6/0x160 [ 16.127123][ C3] ? cpu_startup_entry+0x54/0x60 [ 16.127126][ C3] ? start_secondary+0x213/0x2a0 [ 16.127131][ C3] ? common_startup_64+0x13e/0x148 [ 16.127137][ C3] __put_net+0x19/0x60 [ 16.127141][ C3] __sk_destruct+0x58a/0x780 [ 16.127145][ C3] ? rcu_do_batch+0x34a/0xf20 [ 16.127149][ C3] rcu_do_batch+0x34f/0xf20 [ 16.127154][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 16.127158][ C3] ? __lock_release+0x5d/0x170 [ 16.127160][ C3] ? rcu_is_watching+0x12/0xc0 [ 16.127164][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.127169][ C3] rcu_core+0x2bb/0x500 [ 16.127172][ C3] handle_softirqs+0x218/0x620 [ 16.127177][ C3] __irq_exit_rcu+0xfa/0x160 [ 16.127180][ C3] irq_exit_rcu+0xe/0x30 [ 16.127182][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.127185][ C3] [ 16.127186][ C3] [ 16.127188][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.127191][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 16.127195][ C3] Code: 60 b8 00 e9 c3 57 02 00 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 c3 75 13 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 16.127198][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 16.127201][ C3] RAX: 0000000000043b19 RBX: 1ffff9200002afc1 RCX: ffffffffa735ba19 [ 16.127203][ C3] RDX: 0000000000000000 RSI: ffffffffa7e87785 RDI: ffffffffa7651260 [ 16.127205][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a [ 16.127206][ C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 16.127208][ C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000 [ 16.127212][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 16.127216][ C3] default_idle+0x9/0x10 [ 16.127219][ C3] default_idle_call+0x6d/0xb0 [ 16.127221][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 16.127225][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 16.127229][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 16.127234][ C3] do_idle+0xf6/0x160 [ 16.127238][ C3] cpu_startup_entry+0x54/0x60 [ 16.127242][ C3] start_secondary+0x213/0x2a0 [ 16.127246][ C3] ? __pfx_start_secondary+0x10/0x10 [ 16.127251][ C3] common_startup_64+0x13e/0x148 [ 16.127257][ C3] [ 16.142387][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 16.142712][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 16.143021][ C3] preempt_count: 101, expected: 0 [ 16.143196][ C3] RCU nest depth: 0, expected: 0 [ 16.143373][ C3] INFO: lockdep is turned off. [ 16.143554][ C3] Preemption disabled at: [ 16.143555][ C3] [<0000000000000000>] 0x0 [ 16.143869][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 16.143873][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.143875][ C3] Call Trace: [ 16.143876][ C3] [ 16.143878][ C3] dump_stack_lvl+0xb0/0xd0 [ 16.143884][ C3] __might_resched+0x360/0x5a0 [ 16.143890][ C3] down_write+0x72/0x210 [ 16.143894][ C3] ? __pfx_down_write+0x10/0x10 [ 16.143897][ C3] ? simple_recursive_removal+0x3a/0x860 [ 16.143901][ C3] ? rcu_is_watching+0x12/0xc0 [ 16.143906][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 16.143910][ C3] simple_recursive_removal+0x166/0x860 [ 16.143913][ C3] ? __pfx_remove_one+0x10/0x10 [ 16.143917][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 16.143921][ C3] debugfs_remove+0x44/0x70 [ 16.143924][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 16.143929][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 16.143932][ C3] ? __sk_destruct+0x383/0x780 [ 16.143936][ C3] ? rcu_do_batch+0x34f/0xf20 [ 16.143939][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 16.143942][ C3] ? irq_exit_rcu+0xe/0x30 [ 16.143945][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.143949][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.143953][ C3] ? pv_native_safe_halt+0xf/0x20 [ 16.143956][ C3] ? default_idle+0x9/0x10 [ 16.143959][ C3] ? default_idle_call+0x6d/0xb0 [ 16.143961][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 16.143965][ C3] ? do_idle+0xf6/0x160 [ 16.143968][ C3] ? cpu_startup_entry+0x54/0x60 [ 16.143971][ C3] ? start_secondary+0x213/0x2a0 [ 16.143975][ C3] ? common_startup_64+0x13e/0x148 [ 16.143981][ C3] __put_net+0x19/0x60 [ 16.143984][ C3] __sk_destruct+0x58a/0x780 [ 16.143988][ C3] ? rcu_do_batch+0x34a/0xf20 [ 16.143991][ C3] rcu_do_batch+0x34f/0xf20 [ 16.143996][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 16.144000][ C3] ? __lock_release+0x5d/0x170 [ 16.144003][ C3] ? rcu_is_watching+0x12/0xc0 [ 16.144007][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.144011][ C3] rcu_core+0x2bb/0x500 [ 16.144015][ C3] handle_softirqs+0x218/0x620 [ 16.144020][ C3] __irq_exit_rcu+0xfa/0x160 [ 16.144022][ C3] irq_exit_rcu+0xe/0x30 [ 16.144025][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.144028][ C3] [ 16.144029][ C3] [ 16.144031][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.144034][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 16.144037][ C3] Code: 60 b8 00 e9 c3 57 02 00 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 c3 75 13 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 16.144040][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 16.144043][ C3] RAX: 0000000000043b19 RBX: 1ffff9200002afc1 RCX: ffffffffa735ba19 [ 16.144045][ C3] RDX: 0000000000000000 RSI: ffffffffa7e87785 RDI: ffffffffa7651260 [ 16.144047][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a [ 16.144049][ C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 16.144051][ C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000 [ 16.144055][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 16.144059][ C3] default_idle+0x9/0x10 [ 16.144061][ C3] default_idle_call+0x6d/0xb0 [ 16.144064][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 16.144068][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 16.144072][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 16.144077][ C3] do_idle+0xf6/0x160 [ 16.144081][ C3] cpu_startup_entry+0x54/0x60 [ 16.144085][ C3] start_secondary+0x213/0x2a0 [ 16.144088][ C3] ? __pfx_start_secondary+0x10/0x10 [ 16.144093][ C3] common_startup_64+0x13e/0x148 [ 16.144100][ C3] [ 18.160370][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 18.160917][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 215, name: sh [ 18.161262][ C2] preempt_count: 100, expected: 0 [ 18.161503][ C2] RCU nest depth: 1, expected: 0 [ 18.161729][ C2] INFO: lockdep is turned off. [ 18.161960][ C2] Preemption disabled at: [ 18.161962][ C2] [] handle_softirqs+0xe5/0x620 [ 18.162432][ C2] CPU: 2 UID: 0 PID: 215 Comm: sh Tainted: G W 6.15.0-rc7-virtme #1 PREEMPT(full) [ 18.162438][ C2] Tainted: [W]=WARN [ 18.162440][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.162442][ C2] Call Trace: [ 18.162444][ C2] [ 18.162447][ C2] dump_stack_lvl+0xb0/0xd0 [ 18.162456][ C2] __might_resched+0x360/0x5a0 [ 18.162463][ C2] down_write+0x72/0x210 [ 18.162468][ C2] ? __pfx_down_write+0x10/0x10 [ 18.162472][ C2] ? simple_recursive_removal+0x3a/0x860 [ 18.162478][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162486][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 18.162492][ C2] simple_recursive_removal+0x166/0x860 [ 18.162495][ C2] ? __pfx_remove_one+0x10/0x10 [ 18.162500][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 18.162505][ C2] debugfs_remove+0x44/0x70 [ 18.162508][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 18.162514][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 18.162518][ C2] ? __sk_destruct+0x383/0x780 [ 18.162524][ C2] ? rcu_do_batch+0x34f/0xf20 [ 18.162529][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 18.162533][ C2] ? irq_exit_rcu+0xe/0x30 [ 18.162535][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 18.162541][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.162545][ C2] ? orc_find.part.0+0xc5/0x370 [ 18.162551][ C2] ? unwind_next_frame+0x244/0x1e10 [ 18.162555][ C2] ? arch_stack_walk+0x8b/0xf0 [ 18.162559][ C2] ? stack_trace_save+0x93/0xd0 [ 18.162565][ C2] ? kasan_save_stack+0x24/0x50 [ 18.162571][ C2] ? kasan_record_aux_stack+0x8c/0xa0 [ 18.162575][ C2] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 18.162580][ C2] ? kmem_cache_free+0x221/0x330 [ 18.162586][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 18.162592][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162597][ C2] __put_net+0x19/0x60 [ 18.162601][ C2] __sk_destruct+0x58a/0x780 [ 18.162605][ C2] ? rcu_do_batch+0x34a/0xf20 [ 18.162608][ C2] rcu_do_batch+0x34f/0xf20 [ 18.162613][ C2] ? clockevents_program_event+0xf6/0x300 [ 18.162617][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162622][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 18.162626][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162629][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 18.162635][ C2] rcu_core+0x2bb/0x500 [ 18.162639][ C2] handle_softirqs+0x218/0x620 [ 18.162643][ C2] __irq_exit_rcu+0xfa/0x160 [ 18.162646][ C2] irq_exit_rcu+0xe/0x30 [ 18.162648][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 18.162651][ C2] [ 18.162652][ C2] [ 18.162654][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.162657][ C2] RIP: 0010:orc_find.part.0+0xc5/0x370 [ 18.162661][ C2] Code: 48 b8 00 00 00 00 00 fc ff df 48 8d 3c 9d 48 5a 5c a9 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 <84> d2 0f 85 0c 02 00 00 44 89 f0 8b 14 9d 48 5a 5c a9 48 8d 0c 40 [ 18.162664][ C2] RSP: 0018:ffffc900008175a8 EFLAGS: 00000206 [ 18.162668][ C2] RAX: 0000000000000003 RBX: 0000000000000002 RCX: 0000000000000002 [ 18.162670][ C2] RDX: 0000000000000000 RSI: ffffffffa76511e0 RDI: ffffffffa95c5a50 [ 18.162672][ C2] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90000817729 [ 18.162673][ C2] R10: ffffffffa4a0c3f7 R11: ffffc90000817728 R12: ffffffffa440012f [ 18.162675][ C2] R13: 000000000002f825 R14: 0000000000000003 R15: 0000000000000000 [ 18.162677][ C2] ? entry_SYSCALL_64_after_hwframe+0x76/0x7f [ 18.162680][ C2] ? unwind_next_frame+0x147/0x1e10 [ 18.162688][ C2] unwind_next_frame+0x244/0x1e10 [ 18.162691][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.162695][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 18.162700][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.162703][ C2] ? kernel_text_address+0x17/0xe0 [ 18.162709][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 18.162713][ C2] arch_stack_walk+0x8b/0xf0 [ 18.162719][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.162722][ C2] stack_trace_save+0x93/0xd0 [ 18.162726][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 18.162729][ C2] ? stack_trace_save+0x93/0xd0 [ 18.162732][ C2] ? stack_depot_save_flags+0x15a/0x7a0 [ 18.162737][ C2] kasan_save_stack+0x24/0x50 [ 18.162741][ C2] ? kasan_save_stack+0x24/0x50 [ 18.162744][ C2] ? kasan_record_aux_stack+0x8c/0xa0 [ 18.162746][ C2] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 18.162750][ C2] ? kmem_cache_free+0x221/0x330 [ 18.162753][ C2] ? unlink_anon_vmas+0x167/0x920 [ 18.162758][ C2] ? free_pgtables+0x25b/0x6e0 [ 18.162764][ C2] ? exit_mmap+0x30d/0x800 [ 18.162767][ C2] ? mmput+0xb8/0x3e0 [ 18.162773][ C2] ? exit_mm+0x146/0x1d0 [ 18.162776][ C2] ? do_exit+0x426/0xc10 [ 18.162779][ C2] ? do_group_exit+0xb8/0x260 [ 18.162782][ C2] ? __x64_sys_exit_group+0x3e/0x50 [ 18.162785][ C2] ? x64_sys_call+0xf76/0x18a0 [ 18.162791][ C2] ? do_syscall_64+0xc1/0x1d0 [ 18.162794][ C2] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.162797][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 18.162800][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162804][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162807][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 18.162811][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 18.162816][ C2] ? debug_object_active_state+0x2f5/0x400 [ 18.162822][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162825][ C2] ? __virt_addr_valid+0x22e/0x450 [ 18.162829][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162832][ C2] ? trace_lock_release+0x2a/0xd0 [ 18.162836][ C2] ? lock_release+0x13/0xc0 [ 18.162838][ C2] ? __virt_addr_valid+0x23d/0x450 [ 18.162841][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162845][ C2] kasan_record_aux_stack+0x8c/0xa0 [ 18.162848][ C2] ? __pfx_free_object_rcu+0x10/0x10 [ 18.162853][ C2] __call_rcu_common.constprop.0+0xa1/0x610 [ 18.162857][ C2] kmem_cache_free+0x221/0x330 [ 18.162861][ C2] ? unlink_anon_vmas+0x167/0x920 [ 18.162865][ C2] unlink_anon_vmas+0x167/0x920 [ 18.162869][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162874][ C2] free_pgtables+0x25b/0x6e0 [ 18.162879][ C2] ? __pfx_free_pgtables+0x10/0x10 [ 18.162882][ C2] ? lock_acquire+0x10c/0x170 [ 18.162884][ C2] ? exit_mmap+0x190/0x800 [ 18.162888][ C2] ? down_write+0x152/0x210 [ 18.162891][ C2] ? __pfx_down_write+0x10/0x10 [ 18.162893][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.162897][ C2] ? trace_lock_release+0x2a/0xd0 [ 18.162901][ C2] exit_mmap+0x30d/0x800 [ 18.162905][ C2] ? __pfx_exit_mmap+0x10/0x10 [ 18.162908][ C2] ? __mutex_lock+0x19c/0xcd0 [ 18.162912][ C2] ? lock_release+0x13/0xc0 [ 18.162914][ C2] ? __mutex_unlock_slowpath+0x144/0x400 [ 18.162922][ C2] mmput+0xb8/0x3e0 [ 18.162926][ C2] exit_mm+0x146/0x1d0 [ 18.162929][ C2] do_exit+0x426/0xc10 [ 18.162933][ C2] do_group_exit+0xb8/0x260 [ 18.162937][ C2] __x64_sys_exit_group+0x3e/0x50 [ 18.162940][ C2] x64_sys_call+0xf76/0x18a0 [ 18.162943][ C2] do_syscall_64+0xc1/0x1d0 [ 18.162946][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.162948][ C2] RIP: 0033:0x7f5feff26abd [ 18.162952][ C2] Code: Unable to access opcode bytes at 0x7f5feff26a93. [ 18.162953][ C2] RSP: 002b:00007fffa1bd6308 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.162956][ C2] RAX: ffffffffffffffda RBX: 00007f5ff00039c0 RCX: 00007f5feff26abd [ 18.162958][ C2] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000 [ 18.162960][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000030 [ 18.162961][ C2] R10: 00007fffa1bd6190 R11: 0000000000000246 R12: 00007f5ff00039c0 [ 18.162963][ C2] R13: 00007f5ff0008ee0 R14: 0000000000000001 R15: 00007f5ff0008ec8 [ 18.162969][ C2]