[ 12.900778][ C2] [ 12.900924][ C2] ================================ [ 12.901122][ C2] WARNING: inconsistent lock state [ 12.901319][ C2] 6.15.0-rc7-virtme #1 Not tainted [ 12.901519][ C2] -------------------------------- [ 12.901719][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.901966][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.902211][ C2] ffffffff9e7bff78 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.902561][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.902756][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.902959][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.903163][ C2] _raw_spin_lock+0x33/0x40 [ 12.903365][ C2] simple_pin_fs+0x24/0x150 [ 12.903559][ C2] start_creating.part.0+0x3f/0x2f0 [ 12.903757][ C2] debugfs_create_dir+0x6a/0x540 [ 12.903958][ C2] component_debug_init+0x17/0x30 [ 12.904156][ C2] do_one_initcall+0x8f/0x1e0 [ 12.904352][ C2] do_initcalls+0x176/0x280 [ 12.904546][ C2] kernel_init_freeable+0x22d/0x300 [ 12.904744][ C2] kernel_init+0x20/0x200 [ 12.904940][ C2] ret_from_fork+0x31/0x70 [ 12.905136][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.905334][ C2] irq event stamp: 212526 [ 12.905484][ C2] hardirqs last enabled at (212526): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.905875][ C2] hardirqs last disabled at (212525): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.906270][ C2] softirqs last enabled at (212084): [] handle_softirqs+0x358/0x620 [ 12.906613][ C2] softirqs last disabled at (212109): [] __irq_exit_rcu+0xfa/0x160 [ 12.906959][ C2] [ 12.906959][ C2] other info that might help us debug this: [ 12.907248][ C2] Possible unsafe locking scenario: [ 12.907248][ C2] [ 12.907543][ C2] CPU0 [ 12.907690][ C2] ---- [ 12.907838][ C2] lock(pin_fs_lock); [ 12.907986][ C2] [ 12.908133][ C2] lock(pin_fs_lock); [ 12.908287][ C2] [ 12.908287][ C2] *** DEADLOCK *** [ 12.908287][ C2] [ 12.908582][ C2] 1 lock held by swapper/2/0: [ 12.908783][ C2] #0: ffffffff9e5749c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.909142][ C2] [ 12.909142][ C2] stack backtrace: [ 12.909387][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 12.909393][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.909395][ C2] Call Trace: [ 12.909397][ C2] [ 12.909400][ C2] dump_stack_lvl+0x82/0xd0 [ 12.909407][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.909411][ C2] mark_lock_irq+0x343/0x400 [ 12.909416][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.909421][ C2] ? save_trace+0x52/0x170 [ 12.909428][ C2] mark_lock+0x174/0x2f0 [ 12.909431][ C2] mark_usage+0x46/0x150 [ 12.909434][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.909439][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.909442][ C2] ? simple_pin_fs+0x24/0x150 [ 12.909445][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.909449][ C2] ? lock_acquire+0x10c/0x170 [ 12.909451][ C2] ? simple_pin_fs+0x24/0x150 [ 12.909455][ C2] _raw_spin_lock+0x33/0x40 [ 12.909458][ C2] ? simple_pin_fs+0x24/0x150 [ 12.909461][ C2] simple_pin_fs+0x24/0x150 [ 12.909464][ C2] debugfs_remove+0x35/0x70 [ 12.909468][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.909475][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.909478][ C2] ? __sk_destruct+0x383/0x780 [ 12.909485][ C2] ? rcu_do_batch+0x34f/0xf20 [ 12.909489][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.909492][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.909495][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.909500][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.909504][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.909508][ C2] ? default_idle+0x9/0x10 [ 12.909510][ C2] ? default_idle_call+0x6d/0xb0 [ 12.909512][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.909516][ C2] ? do_idle+0xf6/0x160 [ 12.909519][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.909521][ C2] ? start_secondary+0x213/0x2a0 [ 12.909525][ C2] ? common_startup_64+0x13e/0x148 [ 12.909532][ C2] __put_net+0x19/0x60 [ 12.909537][ C2] __sk_destruct+0x58a/0x780 [ 12.909541][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.909545][ C2] rcu_do_batch+0x34f/0xf20 [ 12.909549][ C2] ? find_held_lock+0x2b/0x80 [ 12.909554][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.909558][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.909562][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.909565][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.909570][ C2] rcu_core+0x2bb/0x500 [ 12.909573][ C2] handle_softirqs+0x218/0x620 [ 12.909578][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.909581][ C2] irq_exit_rcu+0xe/0x30 [ 12.909584][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.909588][ C2] [ 12.909589][ C2] [ 12.909590][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.909593][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.909597][ C2] Code: 50 b7 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 45 12 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 12.909600][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.909604][ C2] RAX: 0000000000033c8b RBX: 1ffff92000028fc1 RCX: ffffffff9d56ea19 [ 12.909606][ C2] RDX: 0000000000000000 RSI: ffffffff9e089a45 RDI: ffffffff9d8513a0 [ 12.909608][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ea667a [ 12.909609][ C2] R10: ffff88802f5333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.909611][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.909615][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.909621][ C2] default_idle+0x9/0x10 [ 12.909623][ C2] default_idle_call+0x6d/0xb0 [ 12.909626][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.909628][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.909632][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.909637][ C2] do_idle+0xf6/0x160 [ 12.909640][ C2] cpu_startup_entry+0x54/0x60 [ 12.909643][ C2] start_secondary+0x213/0x2a0 [ 12.909646][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.909650][ C2] common_startup_64+0x13e/0x148 [ 12.909657][ C2] [ 12.926367][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.926831][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.927160][ C2] preempt_count: 101, expected: 0 [ 12.927467][ C2] RCU nest depth: 0, expected: 0 [ 12.927880][ C2] INFO: lockdep is turned off. [ 12.928069][ C2] Preemption disabled at: [ 12.928071][ C2] [<0000000000000000>] 0x0 [ 12.928423][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 12.928428][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.928429][ C2] Call Trace: [ 12.928431][ C2] [ 12.928434][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.928443][ C2] __might_resched+0x360/0x5a0 [ 12.928451][ C2] down_write+0x72/0x210 [ 12.928456][ C2] ? __pfx_down_write+0x10/0x10 [ 12.928458][ C2] ? simple_recursive_removal+0x3a/0x860 [ 12.928464][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.928469][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.928475][ C2] simple_recursive_removal+0x166/0x860 [ 12.928478][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.928483][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.928488][ C2] debugfs_remove+0x44/0x70 [ 12.928491][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.928498][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.928501][ C2] ? __sk_destruct+0x383/0x780 [ 12.928507][ C2] ? rcu_do_batch+0x34f/0xf20 [ 12.928512][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.928515][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.928520][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.928525][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.928529][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.928532][ C2] ? default_idle+0x9/0x10 [ 12.928535][ C2] ? default_idle_call+0x6d/0xb0 [ 12.928537][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.928541][ C2] ? do_idle+0xf6/0x160 [ 12.928543][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.928546][ C2] ? start_secondary+0x213/0x2a0 [ 12.928549][ C2] ? common_startup_64+0x13e/0x148 [ 12.928555][ C2] __put_net+0x19/0x60 [ 12.928559][ C2] __sk_destruct+0x58a/0x780 [ 12.928563][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.928566][ C2] rcu_do_batch+0x34f/0xf20 [ 12.928570][ C2] ? find_held_lock+0x2b/0x80 [ 12.928576][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.928580][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.928586][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.928589][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.928594][ C2] rcu_core+0x2bb/0x500 [ 12.928598][ C2] handle_softirqs+0x218/0x620 [ 12.928603][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.928606][ C2] irq_exit_rcu+0xe/0x30 [ 12.928608][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.928612][ C2] [ 12.928613][ C2] [ 12.928615][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.928617][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.928621][ C2] Code: 50 b7 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 45 12 00 fb f4 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 12.928624][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.928627][ C2] RAX: 0000000000033c8b RBX: 1ffff92000028fc1 RCX: ffffffff9d56ea19 [ 12.928630][ C2] RDX: 0000000000000000 RSI: ffffffff9e089a45 RDI: ffffffff9d8513a0 [ 12.928632][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005ea667a [ 12.928633][ C2] R10: ffff88802f5333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.928635][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.928639][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.928645][ C2] default_idle+0x9/0x10 [ 12.928647][ C2] default_idle_call+0x6d/0xb0 [ 12.928649][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.928652][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.928656][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.928661][ C2] do_idle+0xf6/0x160 [ 12.928664][ C2] cpu_startup_entry+0x54/0x60 [ 12.928667][ C2] start_secondary+0x213/0x2a0 [ 12.928670][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.928674][ C2] common_startup_64+0x13e/0x148 [ 12.928681][ C2]