[ 12.934800][ C2] [ 12.934943][ C2] ================================ [ 12.935148][ C2] WARNING: inconsistent lock state [ 12.935344][ C2] 6.15.0-virtme #1 Not tainted [ 12.935539][ C2] -------------------------------- [ 12.935728][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.935959][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.936208][ C2] ffffffffa7fc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.936554][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.936747][ C2] __lock_acquire+0x20b/0x7e0 [ 12.936945][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.937136][ C2] _raw_spin_lock+0x33/0x40 [ 12.937344][ C2] simple_pin_fs+0x24/0x150 [ 12.937537][ C2] start_creating.part.0+0x52/0x310 [ 12.937727][ C2] debugfs_create_dir+0x6a/0x540 [ 12.937914][ C2] component_debug_init+0x17/0x30 [ 12.938103][ C2] do_one_initcall+0x8f/0x1e0 [ 12.938304][ C2] do_initcalls+0x176/0x280 [ 12.938505][ C2] kernel_init_freeable+0x22d/0x300 [ 12.938704][ C2] kernel_init+0x20/0x200 [ 12.938896][ C2] ret_from_fork+0x240/0x320 [ 12.939087][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.939315][ C2] irq event stamp: 208472 [ 12.939461][ C2] hardirqs last enabled at (208472): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.939837][ C2] hardirqs last disabled at (208471): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.940216][ C2] softirqs last enabled at (208286): [] handle_softirqs+0x358/0x620 [ 12.940562][ C2] softirqs last disabled at (208305): [] __irq_exit_rcu+0xfa/0x160 [ 12.940897][ C2] [ 12.940897][ C2] other info that might help us debug this: [ 12.941177][ C2] Possible unsafe locking scenario: [ 12.941177][ C2] [ 12.941468][ C2] CPU0 [ 12.941616][ C2] ---- [ 12.941759][ C2] lock(pin_fs_lock); [ 12.941904][ C2] [ 12.942054][ C2] lock(pin_fs_lock); [ 12.942201][ C2] [ 12.942201][ C2] *** DEADLOCK *** [ 12.942201][ C2] [ 12.942499][ C2] 1 lock held by swapper/2/0: [ 12.942700][ C2] #0: ffffffffa7d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.943052][ C2] [ 12.943052][ C2] stack backtrace: [ 12.943302][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.943308][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.943310][ C2] Call Trace: [ 12.943313][ C2] [ 12.943316][ C2] dump_stack_lvl+0x82/0xd0 [ 12.943323][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.943329][ C2] mark_lock_irq+0x343/0x400 [ 12.943334][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.943340][ C2] ? save_trace+0x52/0x170 [ 12.943345][ C2] mark_lock+0x174/0x2f0 [ 12.943349][ C2] mark_usage+0x46/0x150 [ 12.943352][ C2] __lock_acquire+0x20b/0x7e0 [ 12.943356][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.943360][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.943364][ C2] ? simple_pin_fs+0x24/0x150 [ 12.943368][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.943374][ C2] ? lock_acquire+0x10c/0x170 [ 12.943377][ C2] ? simple_pin_fs+0x24/0x150 [ 12.943381][ C2] _raw_spin_lock+0x33/0x40 [ 12.943384][ C2] ? simple_pin_fs+0x24/0x150 [ 12.943387][ C2] simple_pin_fs+0x24/0x150 [ 12.943390][ C2] debugfs_remove+0x35/0x70 [ 12.943395][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.943400][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.943403][ C2] ? __sk_destruct+0x383/0x780 [ 12.943410][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.943414][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.943416][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.943420][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.943425][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.943430][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.943433][ C2] ? default_idle+0x9/0x10 [ 12.943435][ C2] ? default_idle_call+0x6d/0xb0 [ 12.943438][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.943443][ C2] ? do_idle+0xf6/0x160 [ 12.943446][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.943449][ C2] ? start_secondary+0x213/0x2a0 [ 12.943454][ C2] ? common_startup_64+0x13e/0x148 [ 12.943462][ C2] __put_net+0x19/0x60 [ 12.943468][ C2] __sk_destruct+0x58a/0x780 [ 12.943472][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.943475][ C2] rcu_do_batch+0x34c/0xf20 [ 12.943480][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.943483][ C2] ? __lock_release+0x5d/0x170 [ 12.943487][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.943490][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.943495][ C2] rcu_core+0x2bb/0x500 [ 12.943500][ C2] handle_softirqs+0x218/0x620 [ 12.943506][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.943509][ C2] irq_exit_rcu+0xe/0x30 [ 12.943512][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.943516][ C2] [ 12.943517][ C2] [ 12.943519][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.943521][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.943526][ C2] Code: 92 b4 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 07 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 12.943528][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.943532][ C2] RAX: 0000000000032daf RBX: 1ffff92000028fc1 RCX: ffffffffa6da35d9 [ 12.943534][ C2] RDX: 0000000000000000 RSI: ffffffffa789175c RDI: ffffffffa7053ca0 [ 12.943536][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 12.943537][ C2] R10: ffff8880361337d3 R11: ffffffffa7a11288 R12: 0000000000000000 [ 12.943539][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 12.943544][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.943548][ C2] default_idle+0x9/0x10 [ 12.943551][ C2] default_idle_call+0x6d/0xb0 [ 12.943553][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.943557][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.943561][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 12.943566][ C2] do_idle+0xf6/0x160 [ 12.943570][ C2] cpu_startup_entry+0x54/0x60 [ 12.943573][ C2] start_secondary+0x213/0x2a0 [ 12.943576][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.943581][ C2] common_startup_64+0x13e/0x148 [ 12.943588][ C2] [ 12.958429][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.958781][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.959097][ C2] preempt_count: 101, expected: 0 [ 12.959289][ C2] RCU nest depth: 0, expected: 0 [ 12.959490][ C2] INFO: lockdep is turned off. [ 12.959701][ C2] Preemption disabled at: [ 12.959703][ C2] [<0000000000000000>] 0x0 [ 12.960040][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.960044][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.960046][ C2] Call Trace: [ 12.960048][ C2] [ 12.960050][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.960058][ C2] __might_resched+0x360/0x5a0 [ 12.960068][ C2] down_write+0x72/0x210 [ 12.960073][ C2] ? __pfx_down_write+0x10/0x10 [ 12.960075][ C2] ? simple_recursive_removal+0x33/0x610 [ 12.960081][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.960088][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.960092][ C2] simple_recursive_removal+0x6a/0x610 [ 12.960095][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.960098][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.960104][ C2] debugfs_remove+0x44/0x70 [ 12.960107][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.960112][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.960115][ C2] ? __sk_destruct+0x383/0x780 [ 12.960121][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.960126][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.960128][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.960135][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.960140][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.960144][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.960148][ C2] ? default_idle+0x9/0x10 [ 12.960150][ C2] ? default_idle_call+0x6d/0xb0 [ 12.960153][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.960157][ C2] ? do_idle+0xf6/0x160 [ 12.960160][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.960163][ C2] ? start_secondary+0x213/0x2a0 [ 12.960167][ C2] ? common_startup_64+0x13e/0x148 [ 12.960175][ C2] __put_net+0x19/0x60 [ 12.960179][ C2] __sk_destruct+0x58a/0x780 [ 12.960183][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.960186][ C2] rcu_do_batch+0x34c/0xf20 [ 12.960191][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.960195][ C2] ? __lock_release+0x5d/0x170 [ 12.960200][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.960204][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.960210][ C2] rcu_core+0x2bb/0x500 [ 12.960215][ C2] handle_softirqs+0x218/0x620 [ 12.960221][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.960225][ C2] irq_exit_rcu+0xe/0x30 [ 12.960228][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.960232][ C2] [ 12.960233][ C2] [ 12.960234][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.960237][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.960241][ C2] Code: 92 b4 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 07 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 12.960244][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.960247][ C2] RAX: 0000000000032daf RBX: 1ffff92000028fc1 RCX: ffffffffa6da35d9 [ 12.960249][ C2] RDX: 0000000000000000 RSI: ffffffffa789175c RDI: ffffffffa7053ca0 [ 12.960251][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 12.960252][ C2] R10: ffff8880361337d3 R11: ffffffffa7a11288 R12: 0000000000000000 [ 12.960254][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 12.960258][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.960263][ C2] default_idle+0x9/0x10 [ 12.960265][ C2] default_idle_call+0x6d/0xb0 [ 12.960268][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.960271][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.960275][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 12.960281][ C2] do_idle+0xf6/0x160 [ 12.960284][ C2] cpu_startup_entry+0x54/0x60 [ 12.960288][ C2] start_secondary+0x213/0x2a0 [ 12.960291][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.960296][ C2] common_startup_64+0x13e/0x148 [ 12.960303][ C2]