[ 12.855805][ C2] [ 12.855946][ C2] ================================ [ 12.856134][ C2] WARNING: inconsistent lock state [ 12.856315][ C2] 6.15.0-rc5-virtme #1 Not tainted [ 12.856500][ C2] -------------------------------- [ 12.856685][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.856922][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.857151][ C2] ffffffff9fdbf978 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.857478][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.857659][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.857841][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.858027][ C2] _raw_spin_lock+0x33/0x40 [ 12.858216][ C2] simple_pin_fs+0x24/0x150 [ 12.858402][ C2] start_creating.part.0+0x3f/0x2f0 [ 12.858585][ C2] debugfs_create_dir+0x6a/0x540 [ 12.858772][ C2] component_debug_init+0x17/0x30 [ 12.858960][ C2] do_one_initcall+0x8c/0x1e0 [ 12.859149][ C2] do_initcalls+0x176/0x280 [ 12.859330][ C2] kernel_init_freeable+0x22d/0x300 [ 12.859514][ C2] kernel_init+0x20/0x200 [ 12.859696][ C2] ret_from_fork+0x31/0x70 [ 12.859877][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.860059][ C2] irq event stamp: 218360 [ 12.860197][ C2] hardirqs last enabled at (218360): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.860567][ C2] hardirqs last disabled at (218359): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.861034][ C2] softirqs last enabled at (218302): [] handle_softirqs+0x358/0x620 [ 12.861353][ C2] softirqs last disabled at (218315): [] __irq_exit_rcu+0xfa/0x160 [ 12.861672][ C2] [ 12.861672][ C2] other info that might help us debug this: [ 12.861943][ C2] Possible unsafe locking scenario: [ 12.861943][ C2] [ 12.862210][ C2] CPU0 [ 12.862345][ C2] ---- [ 12.862483][ C2] lock(pin_fs_lock); [ 12.862622][ C2] [ 12.862761][ C2] lock(pin_fs_lock); [ 12.862909][ C2] [ 12.862909][ C2] *** DEADLOCK *** [ 12.862909][ C2] [ 12.863179][ C2] 1 lock held by swapper/2/0: [ 12.863362][ C2] #0: ffffffff9fb74480 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.863688][ C2] [ 12.863688][ C2] stack backtrace: [ 12.863931][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 12.863936][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.863938][ C2] Call Trace: [ 12.863939][ C2] [ 12.863942][ C2] dump_stack_lvl+0x82/0xd0 [ 12.863948][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.863952][ C2] mark_lock_irq+0x343/0x400 [ 12.863956][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.863960][ C2] ? save_trace+0x52/0x170 [ 12.863965][ C2] mark_lock+0x174/0x2f0 [ 12.863968][ C2] mark_usage+0x46/0x150 [ 12.863971][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.863976][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.863978][ C2] ? simple_pin_fs+0x24/0x150 [ 12.863981][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.863984][ C2] ? lock_acquire+0x10c/0x170 [ 12.863987][ C2] ? simple_pin_fs+0x24/0x150 [ 12.863990][ C2] _raw_spin_lock+0x33/0x40 [ 12.863993][ C2] ? simple_pin_fs+0x24/0x150 [ 12.863995][ C2] simple_pin_fs+0x24/0x150 [ 12.863998][ C2] debugfs_remove+0x35/0x70 [ 12.864002][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.864008][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.864011][ C2] ? __sk_destruct+0x383/0x780 [ 12.864016][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.864020][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.864023][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.864026][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.864029][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.864033][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.864036][ C2] ? default_idle+0x9/0x10 [ 12.864039][ C2] ? default_idle_call+0x6d/0xb0 [ 12.864041][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.864045][ C2] ? do_idle+0xf6/0x160 [ 12.864047][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.864049][ C2] ? start_secondary+0x213/0x2a0 [ 12.864061][ C2] ? common_startup_64+0x13e/0x148 [ 12.864067][ C2] __put_net+0x19/0x60 [ 12.864071][ C2] __sk_destruct+0x58a/0x780 [ 12.864075][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.864078][ C2] rcu_do_batch+0x34c/0xf20 [ 12.864083][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.864087][ C2] ? __lock_release+0x5d/0x170 [ 12.864090][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.864093][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.864097][ C2] rcu_core+0x2bb/0x500 [ 12.864101][ C2] handle_softirqs+0x218/0x620 [ 12.864106][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.864108][ C2] irq_exit_rcu+0xe/0x30 [ 12.864111][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.864114][ C2] [ 12.864115][ C2] [ 12.864116][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.864119][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.864123][ C2] 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 [ 12.864126][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.864130][ C2] RAX: 00000000000354c9 RBX: 1ffff92000028fc1 RCX: ffffffff9eb68a19 [ 12.864132][ C2] RDX: 0000000000000000 RSI: ffffffff9f6881e1 RDI: ffffffff9ee50e20 [ 12.864134][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.864135][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.864137][ C2] R13: ffff888001bb2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.864141][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.864146][ C2] default_idle+0x9/0x10 [ 12.864150][ C2] default_idle_call+0x6d/0xb0 [ 12.864152][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.864154][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.864158][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.864162][ C2] do_idle+0xf6/0x160 [ 12.864165][ C2] cpu_startup_entry+0x54/0x60 [ 12.864168][ C2] start_secondary+0x213/0x2a0 [ 12.864170][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.864174][ C2] common_startup_64+0x13e/0x148 [ 12.864181][ C2] [ 12.880658][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.881110][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.881441][ C2] preempt_count: 101, expected: 0 [ 12.881636][ C2] RCU nest depth: 0, expected: 0 [ 12.881836][ C2] INFO: lockdep is turned off. [ 12.882045][ C2] Preemption disabled at: [ 12.882047][ C2] [<0000000000000000>] 0x0 [ 12.882418][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 12.882423][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.882425][ C2] Call Trace: [ 12.882427][ C2] [ 12.882429][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.882437][ C2] __might_resched+0x360/0x5a0 [ 12.882445][ C2] down_write+0x72/0x210 [ 12.882448][ C2] ? __pfx_down_write+0x10/0x10 [ 12.882451][ C2] ? simple_recursive_removal+0x3a/0x860 [ 12.882456][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.882461][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.882466][ C2] simple_recursive_removal+0x166/0x860 [ 12.882469][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.882474][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.882478][ C2] debugfs_remove+0x44/0x70 [ 12.882481][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.882487][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.882490][ C2] ? __sk_destruct+0x383/0x780 [ 12.882495][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.882500][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.882503][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.882507][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.882512][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.882515][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.882518][ C2] ? default_idle+0x9/0x10 [ 12.882522][ C2] ? default_idle_call+0x6d/0xb0 [ 12.882524][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.882527][ C2] ? do_idle+0xf6/0x160 [ 12.882529][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.882531][ C2] ? start_secondary+0x213/0x2a0 [ 12.882534][ C2] ? common_startup_64+0x13e/0x148 [ 12.882540][ C2] __put_net+0x19/0x60 [ 12.882544][ C2] __sk_destruct+0x58a/0x780 [ 12.882548][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.882552][ C2] rcu_do_batch+0x34c/0xf20 [ 12.882557][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.882561][ C2] ? __lock_release+0x5d/0x170 [ 12.882564][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.882566][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.882572][ C2] rcu_core+0x2bb/0x500 [ 12.882575][ C2] handle_softirqs+0x218/0x620 [ 12.882580][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.882583][ C2] irq_exit_rcu+0xe/0x30 [ 12.882585][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.882588][ C2] [ 12.882589][ C2] [ 12.882591][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.882593][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.882597][ C2] 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 [ 12.882600][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.882603][ C2] RAX: 00000000000354c9 RBX: 1ffff92000028fc1 RCX: ffffffff9eb68a19 [ 12.882605][ C2] RDX: 0000000000000000 RSI: ffffffff9f6881e1 RDI: ffffffff9ee50e20 [ 12.882607][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.882608][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.882610][ C2] R13: ffff888001bb2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.882614][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.882619][ C2] default_idle+0x9/0x10 [ 12.882623][ C2] default_idle_call+0x6d/0xb0 [ 12.882625][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.882628][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.882631][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.882635][ C2] do_idle+0xf6/0x160 [ 12.882638][ C2] cpu_startup_entry+0x54/0x60 [ 12.882641][ C2] start_secondary+0x213/0x2a0 [ 12.882643][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.882648][ C2] common_startup_64+0x13e/0x148 [ 12.882654][ C2]