[ 13.371296][ C2] [ 13.371454][ C2] ================================ [ 13.371662][ C2] WARNING: inconsistent lock state [ 13.371869][ C2] 6.15.0-virtme #1 Not tainted [ 13.372081][ C2] -------------------------------- [ 13.372288][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.372551][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 13.372808][ C2] ffffffffb71c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 13.373188][ C2] {SOFTIRQ-ON-W} state was registered at: [ 13.373384][ C2] __lock_acquire+0x20b/0x7e0 [ 13.373593][ C2] lock_acquire.part.0+0xb6/0x240 [ 13.373794][ C2] _raw_spin_lock+0x33/0x40 [ 13.374003][ C2] simple_pin_fs+0x24/0x150 [ 13.374211][ C2] start_creating.part.0+0x52/0x310 [ 13.374428][ C2] debugfs_create_dir+0x6a/0x540 [ 13.374631][ C2] component_debug_init+0x17/0x30 [ 13.374842][ C2] do_one_initcall+0x8f/0x1e0 [ 13.375049][ C2] do_initcalls+0x176/0x280 [ 13.375268][ C2] kernel_init_freeable+0x22d/0x300 [ 13.375473][ C2] kernel_init+0x20/0x200 [ 13.375678][ C2] ret_from_fork+0x240/0x320 [ 13.375892][ C2] ret_from_fork_asm+0x1a/0x30 [ 13.376119][ C2] irq event stamp: 234644 [ 13.376286][ C2] hardirqs last enabled at (234644): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.376721][ C2] hardirqs last disabled at (234643): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 13.377142][ C2] softirqs last enabled at (234412): [] handle_softirqs+0x358/0x620 [ 13.377521][ C2] softirqs last disabled at (234425): [] __irq_exit_rcu+0xfa/0x160 [ 13.377884][ C2] [ 13.377884][ C2] other info that might help us debug this: [ 13.378189][ C2] Possible unsafe locking scenario: [ 13.378189][ C2] [ 13.378488][ C2] CPU0 [ 13.378644][ C2] ---- [ 13.378806][ C2] lock(pin_fs_lock); [ 13.378962][ C2] [ 13.379122][ C2] lock(pin_fs_lock); [ 13.379277][ C2] [ 13.379277][ C2] *** DEADLOCK *** [ 13.379277][ C2] [ 13.379586][ C2] 1 lock held by swapper/2/0: [ 13.379797][ C2] #0: ffffffffb6f774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 13.380186][ C2] [ 13.380186][ C2] stack backtrace: [ 13.380453][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.380458][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.380461][ C2] Call Trace: [ 13.380464][ C2] [ 13.380466][ C2] dump_stack_lvl+0x82/0xd0 [ 13.380474][ C2] print_usage_bug.part.0+0x25f/0x360 [ 13.380481][ C2] mark_lock_irq+0x343/0x400 [ 13.380485][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 13.380491][ C2] ? save_trace+0x52/0x170 [ 13.380496][ C2] mark_lock+0x174/0x2f0 [ 13.380500][ C2] mark_usage+0x46/0x150 [ 13.380503][ C2] __lock_acquire+0x20b/0x7e0 [ 13.380506][ C2] ? __lock_acquire+0x44d/0x7e0 [ 13.380511][ C2] lock_acquire.part.0+0xb6/0x240 [ 13.380514][ C2] ? simple_pin_fs+0x24/0x150 [ 13.380518][ C2] ? rcu_is_watching+0x12/0xc0 [ 13.380524][ C2] ? lock_acquire+0x10c/0x170 [ 13.380527][ C2] ? simple_pin_fs+0x24/0x150 [ 13.380531][ C2] _raw_spin_lock+0x33/0x40 [ 13.380536][ C2] ? simple_pin_fs+0x24/0x150 [ 13.380538][ C2] simple_pin_fs+0x24/0x150 [ 13.380541][ C2] debugfs_remove+0x35/0x70 [ 13.380546][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 13.380552][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.380555][ C2] ? __sk_destruct+0x383/0x780 [ 13.380561][ C2] ? rcu_do_batch+0x34c/0xf20 [ 13.380564][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.380567][ C2] ? irq_exit_rcu+0xe/0x30 [ 13.380571][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.380577][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.380582][ C2] ? pv_native_safe_halt+0xf/0x20 [ 13.380585][ C2] ? default_idle+0x9/0x10 [ 13.380587][ C2] ? default_idle_call+0x6d/0xb0 [ 13.380590][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.380595][ C2] ? do_idle+0xf6/0x160 [ 13.380598][ C2] ? cpu_startup_entry+0x54/0x60 [ 13.380601][ C2] ? start_secondary+0x213/0x2a0 [ 13.380606][ C2] ? common_startup_64+0x13e/0x148 [ 13.380614][ C2] __put_net+0x19/0x60 [ 13.380620][ C2] __sk_destruct+0x58a/0x780 [ 13.380624][ C2] ? rcu_do_batch+0x34a/0xf20 [ 13.380627][ C2] rcu_do_batch+0x34c/0xf20 [ 13.380631][ C2] ? find_held_lock+0x2b/0x80 [ 13.380634][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.380638][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.380642][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.380646][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.380650][ C2] rcu_core+0x2bb/0x500 [ 13.380665][ C2] handle_softirqs+0x218/0x620 [ 13.380671][ C2] __irq_exit_rcu+0xfa/0x160 [ 13.380674][ C2] irq_exit_rcu+0xe/0x30 [ 13.380677][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.380681][ C2] [ 13.380682][ C2] [ 13.380684][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.380687][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.380692][ C2] Code: a2 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 17 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 [ 13.380695][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 13.380699][ C2] RAX: 00000000000393b7 RBX: 1ffff92000028fc1 RCX: ffffffffb5fa25d9 [ 13.380701][ C2] RDX: 0000000000000000 RSI: ffffffffb6a9175c RDI: ffffffffb6253ca0 [ 13.380703][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 13.380705][ C2] R10: ffff8880361337d3 R11: ffffffffb6c11288 R12: 0000000000000000 [ 13.380707][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 13.380710][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.380715][ C2] default_idle+0x9/0x10 [ 13.380717][ C2] default_idle_call+0x6d/0xb0 [ 13.380720][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 13.380723][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.380727][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.380732][ C2] do_idle+0xf6/0x160 [ 13.380736][ C2] cpu_startup_entry+0x54/0x60 [ 13.380740][ C2] start_secondary+0x213/0x2a0 [ 13.380743][ C2] ? __pfx_start_secondary+0x10/0x10 [ 13.380748][ C2] common_startup_64+0x13e/0x148 [ 13.380756][ C2] [ 13.399071][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 13.399476][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 13.399848][ C2] preempt_count: 101, expected: 0 [ 13.400070][ C2] RCU nest depth: 0, expected: 0 [ 13.400392][ C2] INFO: lockdep is turned off. [ 13.400644][ C2] Preemption disabled at: [ 13.400646][ C2] [<0000000000000000>] 0x0 [ 13.401047][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.401051][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.401054][ C2] Call Trace: [ 13.401056][ C2] [ 13.401058][ C2] dump_stack_lvl+0xb0/0xd0 [ 13.401070][ C2] __might_resched+0x360/0x5a0 [ 13.401080][ C2] down_write+0x72/0x210 [ 13.401085][ C2] ? __pfx_down_write+0x10/0x10 [ 13.401088][ C2] ? simple_recursive_removal+0x33/0x610 [ 13.401094][ C2] ? rcu_is_watching+0x12/0xc0 [ 13.401101][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 13.401106][ C2] simple_recursive_removal+0x6a/0x610 [ 13.401109][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 13.401111][ C2] ? __pfx_remove_one+0x10/0x10 [ 13.401117][ C2] debugfs_remove+0x44/0x70 [ 13.401121][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 13.401127][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.401129][ C2] ? __sk_destruct+0x383/0x780 [ 13.401136][ C2] ? rcu_do_batch+0x34c/0xf20 [ 13.401140][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.401143][ C2] ? irq_exit_rcu+0xe/0x30 [ 13.401150][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.401155][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.401160][ C2] ? pv_native_safe_halt+0xf/0x20 [ 13.401163][ C2] ? default_idle+0x9/0x10 [ 13.401166][ C2] ? default_idle_call+0x6d/0xb0 [ 13.401169][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.401173][ C2] ? do_idle+0xf6/0x160 [ 13.401176][ C2] ? cpu_startup_entry+0x54/0x60 [ 13.401179][ C2] ? start_secondary+0x213/0x2a0 [ 13.401184][ C2] ? common_startup_64+0x13e/0x148 [ 13.401192][ C2] __put_net+0x19/0x60 [ 13.401198][ C2] __sk_destruct+0x58a/0x780 [ 13.401202][ C2] ? rcu_do_batch+0x34a/0xf20 [ 13.401205][ C2] rcu_do_batch+0x34c/0xf20 [ 13.401209][ C2] ? find_held_lock+0x2b/0x80 [ 13.401213][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.401217][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.401222][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.401226][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.401231][ C2] rcu_core+0x2bb/0x500 [ 13.401236][ C2] handle_softirqs+0x218/0x620 [ 13.401242][ C2] __irq_exit_rcu+0xfa/0x160 [ 13.401245][ C2] irq_exit_rcu+0xe/0x30 [ 13.401248][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.401252][ C2] [ 13.401253][ C2] [ 13.401254][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.401257][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.401261][ C2] Code: a2 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 17 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 [ 13.401264][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 13.401268][ C2] RAX: 00000000000393b7 RBX: 1ffff92000028fc1 RCX: ffffffffb5fa25d9 [ 13.401270][ C2] RDX: 0000000000000000 RSI: ffffffffb6a9175c RDI: ffffffffb6253ca0 [ 13.401272][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 13.401273][ C2] R10: ffff8880361337d3 R11: ffffffffb6c11288 R12: 0000000000000000 [ 13.401275][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 13.401279][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.401284][ C2] default_idle+0x9/0x10 [ 13.401286][ C2] default_idle_call+0x6d/0xb0 [ 13.401289][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 13.401292][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.401296][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.401301][ C2] do_idle+0xf6/0x160 [ 13.401305][ C2] cpu_startup_entry+0x54/0x60 [ 13.401308][ C2] start_secondary+0x213/0x2a0 [ 13.401312][ C2] ? __pfx_start_secondary+0x10/0x10 [ 13.401317][ C2] common_startup_64+0x13e/0x148 [ 13.401324][ C2]