[ 13.105814][ C3] [ 13.105955][ C3] ================================ [ 13.106142][ C3] WARNING: inconsistent lock state [ 13.106326][ C3] 6.15.0-rc5-virtme #1 Not tainted [ 13.106508][ C3] -------------------------------- [ 13.106693][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.106918][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 13.107149][ C3] ffffffff8bbbf978 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 13.107477][ C3] {SOFTIRQ-ON-W} state was registered at: [ 13.107661][ C3] __lock_acquire+0x3eb/0x9d0 [ 13.107847][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.108033][ C3] _raw_spin_lock+0x33/0x40 [ 13.108226][ C3] simple_pin_fs+0x24/0x150 [ 13.108408][ C3] start_creating.part.0+0x3f/0x2f0 [ 13.108597][ C3] debugfs_create_dir+0x6a/0x540 [ 13.108785][ C3] component_debug_init+0x17/0x30 [ 13.108973][ C3] do_one_initcall+0x8c/0x1e0 [ 13.109161][ C3] do_initcalls+0x176/0x280 [ 13.109346][ C3] kernel_init_freeable+0x22d/0x300 [ 13.109531][ C3] kernel_init+0x20/0x200 [ 13.109714][ C3] ret_from_fork+0x31/0x70 [ 13.109902][ C3] ret_from_fork_asm+0x1a/0x30 [ 13.110090][ C3] irq event stamp: 248542 [ 13.110229][ C3] hardirqs last enabled at (248542): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.110596][ C3] hardirqs last disabled at (248541): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 13.110966][ C3] softirqs last enabled at (247540): [] handle_softirqs+0x358/0x620 [ 13.111283][ C3] softirqs last disabled at (247567): [] __irq_exit_rcu+0xfa/0x160 [ 13.111604][ C3] [ 13.111604][ C3] other info that might help us debug this: [ 13.111873][ C3] Possible unsafe locking scenario: [ 13.111873][ C3] [ 13.112141][ C3] CPU0 [ 13.112279][ C3] ---- [ 13.112416][ C3] lock(pin_fs_lock); [ 13.112556][ C3] [ 13.112691][ C3] lock(pin_fs_lock); [ 13.112830][ C3] [ 13.112830][ C3] *** DEADLOCK *** [ 13.112830][ C3] [ 13.113102][ C3] 1 lock held by swapper/3/0: [ 13.113290][ C3] #0: ffffffff8b974480 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 13.113618][ C3] [ 13.113618][ C3] stack backtrace: [ 13.113867][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 13.113872][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.113874][ C3] Call Trace: [ 13.113876][ C3] [ 13.113879][ C3] dump_stack_lvl+0x82/0xd0 [ 13.113885][ C3] print_usage_bug.part.0+0x25f/0x360 [ 13.113889][ C3] mark_lock_irq+0x343/0x400 [ 13.113893][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 13.113897][ C3] ? save_trace+0x52/0x170 [ 13.113903][ C3] mark_lock+0x174/0x2f0 [ 13.113906][ C3] mark_usage+0x46/0x150 [ 13.113909][ C3] __lock_acquire+0x3eb/0x9d0 [ 13.113913][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.113916][ C3] ? simple_pin_fs+0x24/0x150 [ 13.113919][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.113922][ C3] ? lock_acquire+0x10c/0x170 [ 13.113924][ C3] ? simple_pin_fs+0x24/0x150 [ 13.113928][ C3] _raw_spin_lock+0x33/0x40 [ 13.113930][ C3] ? simple_pin_fs+0x24/0x150 [ 13.113933][ C3] simple_pin_fs+0x24/0x150 [ 13.113936][ C3] debugfs_remove+0x35/0x70 [ 13.113939][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.113945][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.113948][ C3] ? __sk_destruct+0x383/0x780 [ 13.113954][ C3] ? rcu_do_batch+0x34c/0xf20 [ 13.113957][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.113960][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.113963][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.113967][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.113971][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.113974][ C3] ? default_idle+0x9/0x10 [ 13.113977][ C3] ? default_idle_call+0x6d/0xb0 [ 13.113979][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.113982][ C3] ? do_idle+0xf6/0x160 [ 13.113984][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.113986][ C3] ? start_secondary+0x213/0x2a0 [ 13.113989][ C3] ? common_startup_64+0x13e/0x148 [ 13.113996][ C3] __put_net+0x19/0x60 [ 13.113999][ C3] __sk_destruct+0x58a/0x780 [ 13.114003][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.114006][ C3] rcu_do_batch+0x34c/0xf20 [ 13.114010][ C3] ? find_held_lock+0x2b/0x80 [ 13.114014][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.114018][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.114021][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.114025][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.114029][ C3] rcu_core+0x2bb/0x500 [ 13.114033][ C3] handle_softirqs+0x218/0x620 [ 13.114037][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.114040][ C3] irq_exit_rcu+0xe/0x30 [ 13.114043][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.114046][ C3] [ 13.114047][ C3] [ 13.114049][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.114051][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.114056][ C3] Code: a0 b7 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 a3 a0 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 [ 13.114058][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 13.114062][ C3] RAX: 000000000003c70d RBX: 1ffff9200002afc1 RCX: ffffffff8a968a19 [ 13.114064][ C3] RDX: 0000000000000000 RSI: ffffffff8b4881e1 RDI: ffffffff8ac50e20 [ 13.114066][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005eb667a [ 13.114067][ C3] R10: ffff88802f5b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 13.114069][ C3] R13: ffff888001bb4640 R14: dffffc0000000000 R15: 0000000000000000 [ 13.114072][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.114078][ C3] default_idle+0x9/0x10 [ 13.114081][ C3] default_idle_call+0x6d/0xb0 [ 13.114083][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.114086][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.114089][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 13.114093][ C3] do_idle+0xf6/0x160 [ 13.114096][ C3] cpu_startup_entry+0x54/0x60 [ 13.114099][ C3] start_secondary+0x213/0x2a0 [ 13.114101][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.114105][ C3] common_startup_64+0x13e/0x148 [ 13.114112][ C3] [ 13.128631][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 13.128938][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 13.129242][ C3] preempt_count: 101, expected: 0 [ 13.129413][ C3] RCU nest depth: 0, expected: 0 [ 13.129588][ C3] INFO: lockdep is turned off. [ 13.129760][ C3] Preemption disabled at: [ 13.129761][ C3] [<0000000000000000>] 0x0 [ 13.130069][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 13.130073][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.130075][ C3] Call Trace: [ 13.130077][ C3] [ 13.130079][ C3] dump_stack_lvl+0xb0/0xd0 [ 13.130085][ C3] __might_resched+0x360/0x5a0 [ 13.130092][ C3] down_write+0x72/0x210 [ 13.130096][ C3] ? __pfx_down_write+0x10/0x10 [ 13.130098][ C3] ? simple_recursive_removal+0x3a/0x860 [ 13.130102][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.130106][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.130111][ C3] simple_recursive_removal+0x166/0x860 [ 13.130114][ C3] ? __pfx_remove_one+0x10/0x10 [ 13.130119][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.130123][ C3] debugfs_remove+0x44/0x70 [ 13.130126][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.130131][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.130135][ C3] ? __sk_destruct+0x383/0x780 [ 13.130139][ C3] ? rcu_do_batch+0x34c/0xf20 [ 13.130144][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.130147][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.130151][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.130154][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.130158][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.130161][ C3] ? default_idle+0x9/0x10 [ 13.130164][ C3] ? default_idle_call+0x6d/0xb0 [ 13.130166][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.130169][ C3] ? do_idle+0xf6/0x160 [ 13.130171][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.130173][ C3] ? start_secondary+0x213/0x2a0 [ 13.130176][ C3] ? common_startup_64+0x13e/0x148 [ 13.130182][ C3] __put_net+0x19/0x60 [ 13.130185][ C3] __sk_destruct+0x58a/0x780 [ 13.130189][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.130192][ C3] rcu_do_batch+0x34c/0xf20 [ 13.130196][ C3] ? find_held_lock+0x2b/0x80 [ 13.130201][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.130205][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.130209][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.130212][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.130216][ C3] rcu_core+0x2bb/0x500 [ 13.130220][ C3] handle_softirqs+0x218/0x620 [ 13.130224][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.130227][ C3] irq_exit_rcu+0xe/0x30 [ 13.130229][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.130233][ C3] [ 13.130233][ C3] [ 13.130235][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.130238][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.130241][ C3] Code: a0 b7 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 a3 a0 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 [ 13.130244][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 13.130247][ C3] RAX: 000000000003c70d RBX: 1ffff9200002afc1 RCX: ffffffff8a968a19 [ 13.130249][ C3] RDX: 0000000000000000 RSI: ffffffff8b4881e1 RDI: ffffffff8ac50e20 [ 13.130251][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005eb667a [ 13.130253][ C3] R10: ffff88802f5b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 13.130254][ C3] R13: ffff888001bb4640 R14: dffffc0000000000 R15: 0000000000000000 [ 13.130258][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.130263][ C3] default_idle+0x9/0x10 [ 13.130266][ C3] default_idle_call+0x6d/0xb0 [ 13.130268][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.130271][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.130274][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 13.130278][ C3] do_idle+0xf6/0x160 [ 13.130281][ C3] cpu_startup_entry+0x54/0x60 [ 13.130284][ C3] start_secondary+0x213/0x2a0 [ 13.130287][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.130291][ C3] common_startup_64+0x13e/0x148 [ 13.130297][ C3]