[ 31.356411][ C0] [ 31.356623][ C0] ================================ [ 31.356895][ C0] WARNING: inconsistent lock state [ 31.357140][ C0] 6.15.0-virtme #1 Not tainted [ 31.357377][ C0] -------------------------------- [ 31.357637][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 31.357928][ C0] packetdrill/345 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 31.358226][ C0] ffffffffa61c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 31.358663][ C0] {SOFTIRQ-ON-W} state was registered at: [ 31.358891][ C0] __lock_acquire+0x20b/0x7e0 [ 31.359128][ C0] lock_acquire.part.0+0xb6/0x240 [ 31.359367][ C0] _raw_spin_lock+0x33/0x40 [ 31.359603][ C0] simple_pin_fs+0x24/0x150 [ 31.359831][ C0] start_creating.part.0+0x52/0x310 [ 31.360058][ C0] debugfs_create_dir+0x6a/0x540 [ 31.360298][ C0] component_debug_init+0x17/0x30 [ 31.360536][ C0] do_one_initcall+0x8f/0x1e0 [ 31.360766][ C0] do_initcalls+0x176/0x280 [ 31.360993][ C0] kernel_init_freeable+0x22d/0x300 [ 31.361221][ C0] kernel_init+0x20/0x200 [ 31.361458][ C0] ret_from_fork+0x240/0x320 [ 31.361690][ C0] ret_from_fork_asm+0x1a/0x30 [ 31.361920][ C0] irq event stamp: 1447954 [ 31.362148][ C0] hardirqs last enabled at (1447954): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 31.362609][ C0] hardirqs last disabled at (1447953): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 31.363070][ C0] softirqs last enabled at (1446474): [] handle_softirqs+0x358/0x620 [ 31.363488][ C0] softirqs last disabled at (1446849): [] __irq_exit_rcu+0xfa/0x160 [ 31.363896][ C0] [ 31.363896][ C0] other info that might help us debug this: [ 31.364244][ C0] Possible unsafe locking scenario: [ 31.364244][ C0] [ 31.364587][ C0] CPU0 [ 31.364766][ C0] ---- [ 31.364938][ C0] lock(pin_fs_lock); [ 31.365120][ C0] [ 31.365363][ C0] lock(pin_fs_lock); [ 31.365534][ C0] [ 31.365534][ C0] *** DEADLOCK *** [ 31.365534][ C0] [ 31.365872][ C0] 2 locks held by packetdrill/345: [ 31.366119][ C0] #0: ffffffffa617f9b0 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x88/0x1e0 [ 31.366806][ C0] #1: ffffffffa5f774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 31.367408][ C0] [ 31.367408][ C0] stack backtrace: [ 31.367861][ C0] CPU: 0 UID: 0 PID: 345 Comm: packetdrill Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 31.367871][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.367874][ C0] Call Trace: [ 31.367878][ C0] [ 31.367882][ C0] dump_stack_lvl+0x82/0xd0 [ 31.367894][ C0] print_usage_bug.part.0+0x25f/0x360 [ 31.367905][ C0] mark_lock_irq+0x343/0x400 [ 31.367914][ C0] ? __pfx_unwind_next_frame+0x10/0x10 [ 31.367923][ C0] ? save_trace+0x52/0x170 [ 31.367932][ C0] mark_lock+0x174/0x2f0 [ 31.367938][ C0] mark_usage+0x46/0x150 [ 31.367944][ C0] __lock_acquire+0x20b/0x7e0 [ 31.367949][ C0] ? __lock_acquire+0x44d/0x7e0 [ 31.367957][ C0] lock_acquire.part.0+0xb6/0x240 [ 31.367962][ C0] ? simple_pin_fs+0x24/0x150 [ 31.367971][ C0] ? rcu_is_watching+0x12/0xc0 [ 31.367978][ C0] ? lock_acquire+0x10c/0x170 [ 31.367983][ C0] ? simple_pin_fs+0x24/0x150 [ 31.367991][ C0] _raw_spin_lock+0x33/0x40 [ 31.367998][ C0] ? simple_pin_fs+0x24/0x150 [ 31.368004][ C0] simple_pin_fs+0x24/0x150 [ 31.368011][ C0] debugfs_remove+0x35/0x70 [ 31.368017][ C0] ref_tracker_dir_exit+0xcf/0x740 [ 31.368027][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 31.368033][ C0] ? __sk_destruct+0x383/0x780 [ 31.368042][ C0] ? rcu_do_batch+0x34c/0xf20 [ 31.368048][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 31.368053][ C0] ? irq_exit_rcu+0xe/0x30 [ 31.368059][ C0] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 31.368067][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.368074][ C0] ? _raw_spin_unlock_irqrestore+0x41/0x80 [ 31.368080][ C0] ? qlist_free_all+0x4c/0x120 [ 31.368087][ C0] ? kasan_quarantine_reduce+0x195/0x1e0 [ 31.368092][ C0] ? __kasan_slab_alloc+0x49/0x70 [ 31.368098][ C0] ? kmem_cache_alloc_noprof+0x10b/0x330 [ 31.368105][ C0] ? fuse_request_alloc+0x1e/0x210 [ 31.368112][ C0] ? __fuse_simple_request+0x4c7/0xb50 [ 31.368118][ C0] ? fuse_file_put+0x170/0x1f0 [ 31.368128][ C0] __put_net+0x19/0x60 [ 31.368135][ C0] __sk_destruct+0x58a/0x780 [ 31.368141][ C0] ? rcu_do_batch+0x34a/0xf20 [ 31.368145][ C0] rcu_do_batch+0x34c/0xf20 [ 31.368151][ C0] ? find_held_lock+0x2b/0x80 [ 31.368158][ C0] ? __pfx_rcu_do_batch+0x10/0x10 [ 31.368164][ C0] ? mark_held_locks+0x49/0x80 [ 31.368169][ C0] ? note_gp_changes+0x182/0x1e0 [ 31.368175][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 31.368182][ C0] rcu_core+0x2bb/0x500 [ 31.368189][ C0] handle_softirqs+0x218/0x620 [ 31.368197][ C0] __irq_exit_rcu+0xfa/0x160 [ 31.368203][ C0] irq_exit_rcu+0xe/0x30 [ 31.368207][ C0] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 31.368213][ C0] [ 31.368215][ C0] [ 31.368218][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.368223][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 31.368230][ C0] Code: 74 24 10 e8 c1 2e 83 fd 48 89 ef e8 79 81 83 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 fa 7e 77 fd 65 8b 05 13 7d 97 02 85 c0 74 0e 5b 5d c3 cc cc cc [ 31.368235][ C0] RSP: 0018:ffffc90000f77bb8 EFLAGS: 00000206 [ 31.368240][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000080 [ 31.368243][ C0] RDX: 0000000000000000 RSI: ffffffffa5a8f4e4 RDI: 0000000000000001 [ 31.368246][ C0] RBP: ffff888001040f40 R08: 0000000000000001 R09: 0000000000000001 [ 31.368249][ C0] R10: ffffffffa69e68d7 R11: 00000000000003a0 R12: ffff888008cb3d98 [ 31.368252][ C0] R13: 0000000000000000 R14: ffffc90000f77c08 R15: ffff888008fa2864 [ 31.368266][ C0] qlist_free_all+0x4c/0x120 [ 31.368274][ C0] kasan_quarantine_reduce+0x195/0x1e0 [ 31.368281][ C0] __kasan_slab_alloc+0x49/0x70 [ 31.368287][ C0] kmem_cache_alloc_noprof+0x10b/0x330 [ 31.368296][ C0] fuse_request_alloc+0x1e/0x210 [ 31.368302][ C0] __fuse_simple_request+0x4c7/0xb50 [ 31.368311][ C0] fuse_file_put+0x170/0x1f0 [ 31.368318][ C0] fuse_release+0x134/0x1c0 [ 31.368325][ C0] __fput+0x35c/0xa80 [ 31.368335][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 31.368342][ C0] task_work_run+0x134/0x220 [ 31.368351][ C0] ? __pfx_task_work_run+0x10/0x10 [ 31.368357][ C0] ? kmem_cache_free+0x149/0x330 [ 31.368363][ C0] ? refcount_dec_and_lock+0x17/0x80 [ 31.368369][ C0] ? do_exit+0x4e6/0xc20 [ 31.368379][ C0] do_exit+0x4eb/0xc20 [ 31.368385][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 31.368392][ C0] do_group_exit+0xb8/0x260 [ 31.368400][ C0] __x64_sys_exit_group+0x3e/0x50 [ 31.368406][ C0] x64_sys_call+0xf76/0x18a0 [ 31.368414][ C0] do_syscall_64+0xc1/0x380 [ 31.368421][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 31.368426][ C0] RIP: 0033:0x48991d [ 31.368432][ C0] Code: Unable to access opcode bytes at 0x4898f3. [ 31.368434][ C0] RSP: 002b:00007ffcf5c5b348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.368439][ C0] RAX: ffffffffffffffda RBX: 00000000005564b0 RCX: 000000000048991d [ 31.368443][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 31.368446][ C0] RBP: 0000000000000000 R08: 0000000037fb74c0 R09: 0000000000000000 [ 31.368448][ C0] R10: 0000000037fb70a0 R11: 0000000000000246 R12: 00000000005564b0 [ 31.368451][ C0] R13: 0000000000000000 R14: 0000000000556f60 R15: 000000000042d8e0 [ 31.368462][ C0] [ 31.397687][ C0] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 31.398284][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 345, name: packetdrill [ 31.398861][ C0] preempt_count: 101, expected: 0 [ 31.399206][ C0] RCU nest depth: 0, expected: 0 [ 31.399526][ C0] INFO: lockdep is turned off. [ 31.399854][ C0] Preemption disabled at: [ 31.399857][ C0] [<0000000000000000>] 0x0 [ 31.400680][ C0] CPU: 0 UID: 0 PID: 345 Comm: packetdrill Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 31.400689][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.400694][ C0] Call Trace: [ 31.400697][ C0] [ 31.400700][ C0] dump_stack_lvl+0xb0/0xd0 [ 31.400716][ C0] __might_resched+0x360/0x5a0 [ 31.400729][ C0] down_write+0x72/0x210 [ 31.400737][ C0] ? __pfx_down_write+0x10/0x10 [ 31.400742][ C0] ? simple_recursive_removal+0x33/0x610 [ 31.400748][ C0] ? rcu_is_watching+0x12/0xc0 [ 31.400757][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 31.400766][ C0] simple_recursive_removal+0x6a/0x610 [ 31.400771][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 31.400776][ C0] ? __pfx_remove_one+0x10/0x10 [ 31.400785][ C0] debugfs_remove+0x44/0x70 [ 31.400790][ C0] ref_tracker_dir_exit+0xcf/0x740 [ 31.400801][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 31.400806][ C0] ? __sk_destruct+0x383/0x780 [ 31.400815][ C0] ? rcu_do_batch+0x34c/0xf20 [ 31.400820][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 31.400825][ C0] ? irq_exit_rcu+0xe/0x30 [ 31.400833][ C0] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 31.400841][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.400848][ C0] ? _raw_spin_unlock_irqrestore+0x41/0x80 [ 31.400855][ C0] ? qlist_free_all+0x4c/0x120 [ 31.400862][ C0] ? kasan_quarantine_reduce+0x195/0x1e0 [ 31.400867][ C0] ? __kasan_slab_alloc+0x49/0x70 [ 31.400873][ C0] ? kmem_cache_alloc_noprof+0x10b/0x330 [ 31.400880][ C0] ? fuse_request_alloc+0x1e/0x210 [ 31.400886][ C0] ? __fuse_simple_request+0x4c7/0xb50 [ 31.400891][ C0] ? fuse_file_put+0x170/0x1f0 [ 31.400901][ C0] __put_net+0x19/0x60 [ 31.400908][ C0] __sk_destruct+0x58a/0x780 [ 31.400914][ C0] ? rcu_do_batch+0x34a/0xf20 [ 31.400919][ C0] rcu_do_batch+0x34c/0xf20 [ 31.400925][ C0] ? find_held_lock+0x2b/0x80 [ 31.400936][ C0] ? __pfx_rcu_do_batch+0x10/0x10 [ 31.400942][ C0] ? mark_held_locks+0x49/0x80 [ 31.400948][ C0] ? note_gp_changes+0x182/0x1e0 [ 31.400953][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 31.400961][ C0] rcu_core+0x2bb/0x500 [ 31.400967][ C0] handle_softirqs+0x218/0x620 [ 31.400976][ C0] __irq_exit_rcu+0xfa/0x160 [ 31.400981][ C0] irq_exit_rcu+0xe/0x30 [ 31.400985][ C0] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 31.400991][ C0] [ 31.400993][ C0] [ 31.400996][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 31.401002][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 31.401010][ C0] Code: 74 24 10 e8 c1 2e 83 fd 48 89 ef e8 79 81 83 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 fa 7e 77 fd 65 8b 05 13 7d 97 02 85 c0 74 0e 5b 5d c3 cc cc cc [ 31.401015][ C0] RSP: 0018:ffffc90000f77bb8 EFLAGS: 00000206 [ 31.401021][ C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000080 [ 31.401025][ C0] RDX: 0000000000000000 RSI: ffffffffa5a8f4e4 RDI: 0000000000000001 [ 31.401028][ C0] RBP: ffff888001040f40 R08: 0000000000000001 R09: 0000000000000001 [ 31.401031][ C0] R10: ffffffffa69e68d7 R11: 00000000000003a0 R12: ffff888008cb3d98 [ 31.401035][ C0] R13: 0000000000000000 R14: ffffc90000f77c08 R15: ffff888008fa2864 [ 31.401048][ C0] qlist_free_all+0x4c/0x120 [ 31.401056][ C0] kasan_quarantine_reduce+0x195/0x1e0 [ 31.401063][ C0] __kasan_slab_alloc+0x49/0x70 [ 31.401068][ C0] kmem_cache_alloc_noprof+0x10b/0x330 [ 31.401077][ C0] fuse_request_alloc+0x1e/0x210 [ 31.401083][ C0] __fuse_simple_request+0x4c7/0xb50 [ 31.401092][ C0] fuse_file_put+0x170/0x1f0 [ 31.401097][ C0] fuse_release+0x134/0x1c0 [ 31.401104][ C0] __fput+0x35c/0xa80 [ 31.401113][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 31.401120][ C0] task_work_run+0x134/0x220 [ 31.401129][ C0] ? __pfx_task_work_run+0x10/0x10 [ 31.401135][ C0] ? kmem_cache_free+0x149/0x330 [ 31.401141][ C0] ? refcount_dec_and_lock+0x17/0x80 [ 31.401147][ C0] ? do_exit+0x4e6/0xc20 [ 31.401156][ C0] do_exit+0x4eb/0xc20 [ 31.401161][ C0] ? _raw_spin_unlock_irq+0x28/0x50 [ 31.401168][ C0] do_group_exit+0xb8/0x260 [ 31.401174][ C0] __x64_sys_exit_group+0x3e/0x50 [ 31.401180][ C0] x64_sys_call+0xf76/0x18a0 [ 31.401186][ C0] do_syscall_64+0xc1/0x380 [ 31.401193][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 31.401197][ C0] RIP: 0033:0x48991d [ 31.401201][ C0] Code: Unable to access opcode bytes at 0x4898f3. [ 31.401204][ C0] RSP: 002b:00007ffcf5c5b348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 31.401210][ C0] RAX: ffffffffffffffda RBX: 00000000005564b0 RCX: 000000000048991d [ 31.401213][ C0] RDX: 00000000000000e7 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 31.401217][ C0] RBP: 0000000000000000 R08: 0000000037fb74c0 R09: 0000000000000000 [ 31.401220][ C0] R10: 0000000037fb70a0 R11: 0000000000000246 R12: 00000000005564b0 [ 31.401223][ C0] R13: 0000000000000000 R14: 0000000000556f60 R15: 000000000042d8e0 [ 31.401235][ C0] [ 33.947242][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 33.947656][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 335, name: sh [ 33.947967][ C3] preempt_count: 100, expected: 0 [ 33.948179][ C3] RCU nest depth: 0, expected: 0 [ 33.948371][ C3] INFO: lockdep is turned off. [ 33.948572][ C3] Preemption disabled at: [ 33.948574][ C3] [] handle_softirqs+0xe5/0x620 [ 33.948978][ C3] CPU: 3 UID: 0 PID: 335 Comm: sh Tainted: G W 6.15.0-virtme #1 PREEMPT(full) [ 33.948985][ C3] Tainted: [W]=WARN [ 33.948986][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.948989][ C3] Call Trace: [ 33.948991][ C3] [ 33.948993][ C3] dump_stack_lvl+0xb0/0xd0 [ 33.949003][ C3] __might_resched+0x360/0x5a0 [ 33.949012][ C3] down_write+0x72/0x210 [ 33.949017][ C3] ? __pfx_down_write+0x10/0x10 [ 33.949020][ C3] ? simple_recursive_removal+0x33/0x610 [ 33.949026][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949032][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 33.949040][ C3] simple_recursive_removal+0x6a/0x610 [ 33.949043][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 33.949046][ C3] ? __pfx_remove_one+0x10/0x10 [ 33.949053][ C3] debugfs_remove+0x44/0x70 [ 33.949056][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 33.949064][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 33.949068][ C3] ? __sk_destruct+0x383/0x780 [ 33.949075][ C3] ? rcu_do_batch+0x34c/0xf20 [ 33.949079][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 33.949082][ C3] ? irq_exit_rcu+0xe/0x30 [ 33.949085][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 33.949091][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.949096][ C3] ? debug_object_active_state+0x75/0x400 [ 33.949101][ C3] ? __call_rcu_common.constprop.0+0x4a/0x610 [ 33.949105][ C3] ? kmem_cache_free+0x221/0x330 [ 33.949111][ C3] ? unlink_anon_vmas+0x43e/0x920 [ 33.949116][ C3] ? free_pgtables+0x25b/0x6e0 [ 33.949122][ C3] ? exit_mmap+0x30d/0x800 [ 33.949126][ C3] ? mmput+0xb8/0x3f0 [ 33.949131][ C3] ? exit_mm+0x146/0x1d0 [ 33.949136][ C3] ? bpf_sk_storage_free+0x9f/0x1c0 [ 33.949142][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949146][ C3] __put_net+0x19/0x60 [ 33.949151][ C3] __sk_destruct+0x58a/0x780 [ 33.949155][ C3] ? rcu_do_batch+0x34a/0xf20 [ 33.949158][ C3] rcu_do_batch+0x34c/0xf20 [ 33.949162][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 33.949166][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949169][ C3] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 33.949177][ C3] rcu_core+0x2bb/0x500 [ 33.949181][ C3] handle_softirqs+0x218/0x620 [ 33.949187][ C3] __irq_exit_rcu+0xfa/0x160 [ 33.949190][ C3] irq_exit_rcu+0xe/0x30 [ 33.949192][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 33.949196][ C3] [ 33.949197][ C3] [ 33.949199][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 33.949201][ C3] RIP: 0010:debug_object_active_state+0x75/0x400 [ 33.949205][ C3] Code: 48 01 d0 49 89 d7 48 c7 44 24 30 b0 1f 55 a3 c7 00 f1 f1 f1 f1 c7 40 04 f1 f1 00 00 c7 40 08 00 00 00 f3 c7 40 0c f3 f3 f3 f3 <0f> b6 1d 24 59 49 03 65 48 8b 05 d4 5f 3d 04 48 89 84 24 b8 00 00 [ 33.949208][ C3] RSP: 0018:ffffc90000ed7950 EFLAGS: 00000286 [ 33.949212][ C3] RAX: fffff520001daf2e RBX: ffffffffa2f38040 RCX: 0000000000000001 [ 33.949214][ C3] RDX: 1ffff920001daf2e RSI: ffffffffa50d8220 RDI: ffff888005b672d0 [ 33.949216][ C3] RBP: ffffc90000ed7a40 R08: 0000000000000000 R09: fffff520001daf2e [ 33.949218][ C3] R10: ffffffffa69e68d7 R11: ffffffffa8895620 R12: 0000000000000000 [ 33.949219][ C3] R13: ffff888005b672d0 R14: 0000000000000000 R15: 1ffff920001daf2e [ 33.949222][ C3] ? __pfx_free_object_rcu+0x10/0x10 [ 33.949231][ C3] ? __pfx_debug_object_active_state+0x10/0x10 [ 33.949236][ C3] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 33.949240][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949243][ C3] ? __pfx_free_object_rcu+0x10/0x10 [ 33.949247][ C3] __call_rcu_common.constprop.0+0x4a/0x610 [ 33.949251][ C3] kmem_cache_free+0x221/0x330 [ 33.949255][ C3] ? unlink_anon_vmas+0x43e/0x920 [ 33.949259][ C3] unlink_anon_vmas+0x43e/0x920 [ 33.949262][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949267][ C3] free_pgtables+0x25b/0x6e0 [ 33.949272][ C3] ? __pfx_free_pgtables+0x10/0x10 [ 33.949275][ C3] ? lock_acquire+0x10c/0x170 [ 33.949278][ C3] ? exit_mmap+0x190/0x800 [ 33.949282][ C3] ? down_write+0x152/0x210 [ 33.949285][ C3] ? __pfx_down_write+0x10/0x10 [ 33.949288][ C3] ? rcu_is_watching+0x12/0xc0 [ 33.949291][ C3] ? trace_lock_release+0x2a/0xd0 [ 33.949299][ C3] exit_mmap+0x30d/0x800 [ 33.949303][ C3] ? __pfx_exit_mmap+0x10/0x10 [ 33.949307][ C3] ? __mutex_lock+0x19c/0xcd0 [ 33.949311][ C3] ? lock_release+0x13/0xc0 [ 33.949314][ C3] ? __mutex_unlock_slowpath+0x144/0x400 [ 33.949323][ C3] mmput+0xb8/0x3f0 [ 33.949326][ C3] exit_mm+0x146/0x1d0 [ 33.949330][ C3] do_exit+0x433/0xc20 [ 33.949334][ C3] do_group_exit+0xb8/0x260 [ 33.949339][ C3] __x64_sys_exit_group+0x3e/0x50 [ 33.949342][ C3] x64_sys_call+0xf76/0x18a0 [ 33.949349][ C3] do_syscall_64+0xc1/0x380 [ 33.949353][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 33.949355][ C3] RIP: 0033:0x7f7855b28abd [ 33.949360][ C3] Code: Unable to access opcode bytes at 0x7f7855b28a93. [ 33.949361][ C3] RSP: 002b:00007ffec13980b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.949364][ C3] RAX: ffffffffffffffda RBX: 00007f7855c059c0 RCX: 00007f7855b28abd [ 33.949366][ C3] RDX: 00000000000000e7 RSI: ffffffffffffff80 RDI: 0000000000000000 [ 33.949367][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000030 [ 33.949369][ C3] R10: 00007ffec1397f40 R11: 0000000000000246 R12: 00007f7855c059c0 [ 33.949370][ C3] R13: 00007f7855c0aee0 R14: 0000000000000001 R15: 00007f7855c0aec8 [ 33.949376][ C3]