[ 15.411157][ C3] [ 15.411313][ C3] ================================ [ 15.411516][ C3] WARNING: inconsistent lock state [ 15.411721][ C3] 6.15.0-virtme #1 Not tainted [ 15.411945][ C3] -------------------------------- [ 15.412145][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.412408][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.412659][ C3] ffffffffacdc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 15.413028][ C3] {SOFTIRQ-ON-W} state was registered at: [ 15.413234][ C3] __lock_acquire+0x20b/0x7e0 [ 15.413449][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.413670][ C3] _raw_spin_lock+0x33/0x40 [ 15.413872][ C3] simple_pin_fs+0x24/0x150 [ 15.414068][ C3] start_creating.part.0+0x52/0x310 [ 15.414269][ C3] debugfs_create_dir+0x6a/0x540 [ 15.414472][ C3] component_debug_init+0x17/0x30 [ 15.414670][ C3] do_one_initcall+0x8f/0x1e0 [ 15.414866][ C3] do_initcalls+0x176/0x280 [ 15.415066][ C3] kernel_init_freeable+0x22d/0x300 [ 15.415262][ C3] kernel_init+0x20/0x200 [ 15.415461][ C3] ret_from_fork+0x240/0x320 [ 15.415671][ C3] ret_from_fork_asm+0x1a/0x30 [ 15.415894][ C3] irq event stamp: 218706 [ 15.416047][ C3] hardirqs last enabled at (218706): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.416435][ C3] hardirqs last disabled at (218705): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.416834][ C3] softirqs last enabled at (218688): [] handle_softirqs+0x358/0x620 [ 15.417186][ C3] softirqs last disabled at (218695): [] __irq_exit_rcu+0xfa/0x160 [ 15.417540][ C3] [ 15.417540][ C3] other info that might help us debug this: [ 15.417841][ C3] Possible unsafe locking scenario: [ 15.417841][ C3] [ 15.418161][ C3] CPU0 [ 15.418317][ C3] ---- [ 15.418481][ C3] lock(pin_fs_lock); [ 15.418637][ C3] [ 15.418783][ C3] lock(pin_fs_lock); [ 15.418944][ C3] [ 15.418944][ C3] *** DEADLOCK *** [ 15.418944][ C3] [ 15.419242][ C3] 1 lock held by swapper/3/0: [ 15.419443][ C3] #0: ffffffffacb774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.419823][ C3] [ 15.419823][ C3] stack backtrace: [ 15.420069][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.420074][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.420078][ C3] Call Trace: [ 15.420080][ C3] [ 15.420083][ C3] dump_stack_lvl+0x82/0xd0 [ 15.420092][ C3] print_usage_bug.part.0+0x25f/0x360 [ 15.420099][ C3] mark_lock_irq+0x343/0x400 [ 15.420104][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 15.420110][ C3] ? save_trace+0x52/0x170 [ 15.420114][ C3] mark_lock+0x174/0x2f0 [ 15.420118][ C3] mark_usage+0x46/0x150 [ 15.420122][ C3] __lock_acquire+0x20b/0x7e0 [ 15.420125][ C3] ? __lock_acquire+0x44d/0x7e0 [ 15.420130][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.420134][ C3] ? simple_pin_fs+0x24/0x150 [ 15.420138][ C3] ? rcu_is_watching+0x12/0xc0 [ 15.420144][ C3] ? lock_acquire+0x10c/0x170 [ 15.420148][ C3] ? simple_pin_fs+0x24/0x150 [ 15.420151][ C3] _raw_spin_lock+0x33/0x40 [ 15.420155][ C3] ? simple_pin_fs+0x24/0x150 [ 15.420158][ C3] simple_pin_fs+0x24/0x150 [ 15.420161][ C3] debugfs_remove+0x35/0x70 [ 15.420165][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 15.420170][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.420173][ C3] ? __sk_destruct+0x383/0x780 [ 15.420180][ C3] ? rcu_do_batch+0x34c/0xf20 [ 15.420183][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.420185][ C3] ? irq_exit_rcu+0xe/0x30 [ 15.420190][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.420195][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.420200][ C3] ? pv_native_safe_halt+0xf/0x20 [ 15.420204][ C3] ? default_idle+0x9/0x10 [ 15.420206][ C3] ? default_idle_call+0x6d/0xb0 [ 15.420209][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.420214][ C3] ? do_idle+0xf6/0x160 [ 15.420216][ C3] ? cpu_startup_entry+0x54/0x60 [ 15.420219][ C3] ? start_secondary+0x213/0x2a0 [ 15.420224][ C3] ? common_startup_64+0x13e/0x148 [ 15.420232][ C3] __put_net+0x19/0x60 [ 15.420238][ C3] __sk_destruct+0x58a/0x780 [ 15.420242][ C3] ? rcu_do_batch+0x34a/0xf20 [ 15.420245][ C3] rcu_do_batch+0x34c/0xf20 [ 15.420248][ C3] ? find_held_lock+0x2b/0x80 [ 15.420252][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.420256][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.420259][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.420263][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.420268][ C3] rcu_core+0x2bb/0x500 [ 15.420274][ C3] handle_softirqs+0x218/0x620 [ 15.420280][ C3] __irq_exit_rcu+0xfa/0x160 [ 15.420283][ C3] irq_exit_rcu+0xe/0x30 [ 15.420286][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.420290][ C3] [ 15.420291][ C3] [ 15.420293][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.420296][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.420300][ C3] 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 [ 15.420303][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 15.420307][ C3] RAX: 0000000000035645 RBX: 1ffff9200002afc1 RCX: ffffffffabba25d9 [ 15.420309][ C3] RDX: 0000000000000000 RSI: ffffffffac69175c RDI: ffffffffabe53ca0 [ 15.420311][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 15.420312][ C3] R10: ffff8880361b37d3 R11: ffffffffac811288 R12: 0000000000000000 [ 15.420314][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 15.420318][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.420323][ C3] default_idle+0x9/0x10 [ 15.420325][ C3] default_idle_call+0x6d/0xb0 [ 15.420327][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 15.420331][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.420335][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.420340][ C3] do_idle+0xf6/0x160 [ 15.420344][ C3] cpu_startup_entry+0x54/0x60 [ 15.420347][ C3] start_secondary+0x213/0x2a0 [ 15.420351][ C3] ? __pfx_start_secondary+0x10/0x10 [ 15.420356][ C3] common_startup_64+0x13e/0x148 [ 15.420364][ C3] [ 15.437828][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 15.438159][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 15.438810][ C3] preempt_count: 101, expected: 0 [ 15.438996][ C3] RCU nest depth: 0, expected: 0 [ 15.439195][ C3] INFO: lockdep is turned off. [ 15.439378][ C3] Preemption disabled at: [ 15.439380][ C3] [<0000000000000000>] 0x0 [ 15.439839][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.439845][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.439848][ C3] Call Trace: [ 15.439850][ C3] [ 15.439854][ C3] dump_stack_lvl+0xb0/0xd0 [ 15.439865][ C3] __might_resched+0x360/0x5a0 [ 15.439876][ C3] down_write+0x72/0x210 [ 15.439881][ C3] ? __pfx_down_write+0x10/0x10 [ 15.439884][ C3] ? simple_recursive_removal+0x33/0x610 [ 15.439891][ C3] ? rcu_is_watching+0x12/0xc0 [ 15.439899][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 15.439903][ C3] simple_recursive_removal+0x6a/0x610 [ 15.439906][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 15.439909][ C3] ? __pfx_remove_one+0x10/0x10 [ 15.439915][ C3] debugfs_remove+0x44/0x70 [ 15.439919][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 15.439926][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.439928][ C3] ? __sk_destruct+0x383/0x780 [ 15.439935][ C3] ? rcu_do_batch+0x34c/0xf20 [ 15.439940][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.439943][ C3] ? irq_exit_rcu+0xe/0x30 [ 15.439951][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.439957][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.439962][ C3] ? pv_native_safe_halt+0xf/0x20 [ 15.439965][ C3] ? default_idle+0x9/0x10 [ 15.439968][ C3] ? default_idle_call+0x6d/0xb0 [ 15.439970][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 15.439975][ C3] ? do_idle+0xf6/0x160 [ 15.439978][ C3] ? cpu_startup_entry+0x54/0x60 [ 15.439981][ C3] ? start_secondary+0x213/0x2a0 [ 15.439986][ C3] ? common_startup_64+0x13e/0x148 [ 15.439994][ C3] __put_net+0x19/0x60 [ 15.439999][ C3] __sk_destruct+0x58a/0x780 [ 15.440003][ C3] ? rcu_do_batch+0x34a/0xf20 [ 15.440006][ C3] rcu_do_batch+0x34c/0xf20 [ 15.440009][ C3] ? find_held_lock+0x2b/0x80 [ 15.440014][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.440018][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.440024][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.440028][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.440033][ C3] rcu_core+0x2bb/0x500 [ 15.440038][ C3] handle_softirqs+0x218/0x620 [ 15.440044][ C3] __irq_exit_rcu+0xfa/0x160 [ 15.440048][ C3] irq_exit_rcu+0xe/0x30 [ 15.440051][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.440054][ C3] [ 15.440055][ C3] [ 15.440057][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.440060][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.440065][ C3] 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 [ 15.440068][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 15.440071][ C3] RAX: 0000000000035645 RBX: 1ffff9200002afc1 RCX: ffffffffabba25d9 [ 15.440073][ C3] RDX: 0000000000000000 RSI: ffffffffac69175c RDI: ffffffffabe53ca0 [ 15.440075][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 15.440077][ C3] R10: ffff8880361b37d3 R11: ffffffffac811288 R12: 0000000000000000 [ 15.440079][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 15.440082][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.440087][ C3] default_idle+0x9/0x10 [ 15.440089][ C3] default_idle_call+0x6d/0xb0 [ 15.440092][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 15.440096][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.440100][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.440105][ C3] do_idle+0xf6/0x160 [ 15.440109][ C3] cpu_startup_entry+0x54/0x60 [ 15.440112][ C3] start_secondary+0x213/0x2a0 [ 15.440118][ C3] ? __pfx_start_secondary+0x10/0x10 [ 15.440123][ C3] common_startup_64+0x13e/0x148 [ 15.440131][ C3]