[ 15.828340][ C2] [ 15.828540][ C2] ================================ [ 15.828837][ C2] WARNING: inconsistent lock state [ 15.829061][ C2] 6.15.0-virtme #1 Not tainted [ 15.829320][ C2] -------------------------------- [ 15.829628][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.830028][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.830467][ C2] ffffffff9bbc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 15.831027][ C2] {SOFTIRQ-ON-W} state was registered at: [ 15.831333][ C2] __lock_acquire+0x20b/0x7e0 [ 15.831610][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.831863][ C2] _raw_spin_lock+0x33/0x40 [ 15.832136][ C2] simple_pin_fs+0x24/0x150 [ 15.832416][ C2] start_creating.part.0+0x52/0x310 [ 15.832682][ C2] debugfs_create_dir+0x6a/0x540 [ 15.832992][ C2] component_debug_init+0x17/0x30 [ 15.833194][ C2] do_one_initcall+0x8f/0x1e0 [ 15.833417][ C2] do_initcalls+0x176/0x280 [ 15.833669][ C2] kernel_init_freeable+0x22d/0x300 [ 15.833981][ C2] kernel_init+0x20/0x200 [ 15.834279][ C2] ret_from_fork+0x240/0x320 [ 15.834579][ C2] ret_from_fork_asm+0x1a/0x30 [ 15.834921][ C2] irq event stamp: 236144 [ 15.835169][ C2] hardirqs last enabled at (236144): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.835827][ C2] hardirqs last disabled at (236143): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.836466][ C2] softirqs last enabled at (235676): [] handle_softirqs+0x358/0x620 [ 15.837027][ C2] softirqs last disabled at (235683): [] __irq_exit_rcu+0xfa/0x160 [ 15.837593][ C2] [ 15.837593][ C2] other info that might help us debug this: [ 15.838067][ C2] Possible unsafe locking scenario: [ 15.838067][ C2] [ 15.838470][ C2] CPU0 [ 15.838650][ C2] ---- [ 15.838851][ C2] lock(pin_fs_lock); [ 15.839084][ C2] [ 15.839327][ C2] lock(pin_fs_lock); [ 15.839576][ C2] [ 15.839576][ C2] *** DEADLOCK *** [ 15.839576][ C2] [ 15.840037][ C2] 1 lock held by swapper/2/0: [ 15.840398][ C2] #0: ffffffff9b9774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.840958][ C2] [ 15.840958][ C2] stack backtrace: [ 15.841344][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.841353][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.841357][ C2] Call Trace: [ 15.841360][ C2] [ 15.841364][ C2] dump_stack_lvl+0x82/0xd0 [ 15.841373][ C2] print_usage_bug.part.0+0x25f/0x360 [ 15.841383][ C2] mark_lock_irq+0x343/0x400 [ 15.841389][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 15.841397][ C2] ? save_trace+0x52/0x170 [ 15.841404][ C2] mark_lock+0x174/0x2f0 [ 15.841411][ C2] mark_usage+0x46/0x150 [ 15.841417][ C2] __lock_acquire+0x20b/0x7e0 [ 15.841423][ C2] ? __lock_acquire+0x44d/0x7e0 [ 15.841431][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.841437][ C2] ? simple_pin_fs+0x24/0x150 [ 15.841444][ C2] ? rcu_is_watching+0x12/0xc0 [ 15.841450][ C2] ? lock_acquire+0x10c/0x170 [ 15.841455][ C2] ? simple_pin_fs+0x24/0x150 [ 15.841462][ C2] _raw_spin_lock+0x33/0x40 [ 15.841468][ C2] ? simple_pin_fs+0x24/0x150 [ 15.841473][ C2] simple_pin_fs+0x24/0x150 [ 15.841478][ C2] debugfs_remove+0x35/0x70 [ 15.841485][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 15.841492][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.841497][ C2] ? __sk_destruct+0x383/0x780 [ 15.841504][ C2] ? rcu_do_batch+0x34c/0xf20 [ 15.841509][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.841513][ C2] ? irq_exit_rcu+0xe/0x30 [ 15.841519][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.841526][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.841532][ C2] ? pv_native_safe_halt+0xf/0x20 [ 15.841537][ C2] ? default_idle+0x9/0x10 [ 15.841541][ C2] ? default_idle_call+0x6d/0xb0 [ 15.841545][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.841551][ C2] ? do_idle+0xf6/0x160 [ 15.841554][ C2] ? cpu_startup_entry+0x54/0x60 [ 15.841558][ C2] ? start_secondary+0x213/0x2a0 [ 15.841562][ C2] ? common_startup_64+0x13e/0x148 [ 15.841573][ C2] __put_net+0x19/0x60 [ 15.841579][ C2] __sk_destruct+0x58a/0x780 [ 15.841586][ C2] ? rcu_do_batch+0x34a/0xf20 [ 15.841590][ C2] rcu_do_batch+0x34c/0xf20 [ 15.841596][ C2] ? find_held_lock+0x2b/0x80 [ 15.841602][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.841607][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.841611][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.841616][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.841624][ C2] rcu_core+0x2bb/0x500 [ 15.841632][ C2] handle_softirqs+0x218/0x620 [ 15.841642][ C2] __irq_exit_rcu+0xfa/0x160 [ 15.841648][ C2] irq_exit_rcu+0xe/0x30 [ 15.841653][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.841659][ C2] [ 15.841661][ C2] [ 15.841664][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.841669][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.841675][ 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 [ 15.841679][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 15.841684][ C2] RAX: 00000000000398a1 RBX: 1ffff92000028fc1 RCX: ffffffff9a9a35d9 [ 15.841687][ C2] RDX: 0000000000000000 RSI: ffffffff9b49175c RDI: ffffffff9ac53ca0 [ 15.841690][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 15.841692][ C2] R10: ffff8880361337d3 R11: ffffffff9b611288 R12: 0000000000000000 [ 15.841695][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 15.841701][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.841707][ C2] default_idle+0x9/0x10 [ 15.841712][ C2] default_idle_call+0x6d/0xb0 [ 15.841716][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 15.841723][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.841730][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.841738][ C2] do_idle+0xf6/0x160 [ 15.841745][ C2] cpu_startup_entry+0x54/0x60 [ 15.841751][ C2] start_secondary+0x213/0x2a0 [ 15.841756][ C2] ? __pfx_start_secondary+0x10/0x10 [ 15.841765][ C2] common_startup_64+0x13e/0x148 [ 15.841779][ C2] [ 15.865058][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 15.865414][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 15.865771][ C2] preempt_count: 101, expected: 0 [ 15.865982][ C2] RCU nest depth: 0, expected: 0 [ 15.866298][ C2] INFO: lockdep is turned off. [ 15.866504][ C2] Preemption disabled at: [ 15.866506][ C2] [<0000000000000000>] 0x0 [ 15.866894][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.866899][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.866901][ C2] Call Trace: [ 15.866903][ C2] [ 15.866906][ C2] dump_stack_lvl+0xb0/0xd0 [ 15.866914][ C2] __might_resched+0x360/0x5a0 [ 15.866923][ C2] down_write+0x72/0x210 [ 15.866927][ C2] ? __pfx_down_write+0x10/0x10 [ 15.866930][ C2] ? simple_recursive_removal+0x33/0x610 [ 15.866935][ C2] ? rcu_is_watching+0x12/0xc0 [ 15.866941][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 15.866945][ C2] simple_recursive_removal+0x6a/0x610 [ 15.866948][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 15.866951][ C2] ? __pfx_remove_one+0x10/0x10 [ 15.866957][ C2] debugfs_remove+0x44/0x70 [ 15.866960][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 15.866965][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.866968][ C2] ? __sk_destruct+0x383/0x780 [ 15.866973][ C2] ? rcu_do_batch+0x34c/0xf20 [ 15.866978][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.866980][ C2] ? irq_exit_rcu+0xe/0x30 [ 15.866986][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.866991][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.866995][ C2] ? pv_native_safe_halt+0xf/0x20 [ 15.866998][ C2] ? default_idle+0x9/0x10 [ 15.867001][ C2] ? default_idle_call+0x6d/0xb0 [ 15.867003][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.867007][ C2] ? do_idle+0xf6/0x160 [ 15.867010][ C2] ? cpu_startup_entry+0x54/0x60 [ 15.867013][ C2] ? start_secondary+0x213/0x2a0 [ 15.867017][ C2] ? common_startup_64+0x13e/0x148 [ 15.867024][ C2] __put_net+0x19/0x60 [ 15.867028][ C2] __sk_destruct+0x58a/0x780 [ 15.867032][ C2] ? rcu_do_batch+0x34a/0xf20 [ 15.867035][ C2] rcu_do_batch+0x34c/0xf20 [ 15.867039][ C2] ? find_held_lock+0x2b/0x80 [ 15.867043][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.867047][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.867052][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.867055][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.867060][ C2] rcu_core+0x2bb/0x500 [ 15.867065][ C2] handle_softirqs+0x218/0x620 [ 15.867070][ C2] __irq_exit_rcu+0xfa/0x160 [ 15.867074][ C2] irq_exit_rcu+0xe/0x30 [ 15.867077][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.867080][ C2] [ 15.867082][ C2] [ 15.867083][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.867086][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.867090][ 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 [ 15.867092][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 15.867096][ C2] RAX: 00000000000398a1 RBX: 1ffff92000028fc1 RCX: ffffffff9a9a35d9 [ 15.867098][ C2] RDX: 0000000000000000 RSI: ffffffff9b49175c RDI: ffffffff9ac53ca0 [ 15.867100][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 15.867101][ C2] R10: ffff8880361337d3 R11: ffffffff9b611288 R12: 0000000000000000 [ 15.867103][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 15.867107][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.867111][ C2] default_idle+0x9/0x10 [ 15.867114][ C2] default_idle_call+0x6d/0xb0 [ 15.867116][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 15.867120][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.867124][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.867128][ C2] do_idle+0xf6/0x160 [ 15.867132][ C2] cpu_startup_entry+0x54/0x60 [ 15.867135][ C2] start_secondary+0x213/0x2a0 [ 15.867138][ C2] ? __pfx_start_secondary+0x10/0x10 [ 15.867143][ C2] common_startup_64+0x13e/0x148 [ 15.867151][ C2]