[ 13.088867][ C2] [ 13.089007][ C2] ================================ [ 13.089199][ C2] WARNING: inconsistent lock state [ 13.089387][ C2] 6.15.0-virtme #1 Not tainted [ 13.089576][ C2] -------------------------------- [ 13.089762][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.089995][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 13.090225][ C2] ffffffff9f7c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 13.090560][ C2] {SOFTIRQ-ON-W} state was registered at: [ 13.090758][ C2] __lock_acquire+0x20b/0x7e0 [ 13.090951][ C2] lock_acquire.part.0+0xb6/0x240 [ 13.091140][ C2] _raw_spin_lock+0x33/0x40 [ 13.091326][ C2] simple_pin_fs+0x24/0x150 [ 13.091510][ C2] start_creating.part.0+0x52/0x310 [ 13.091699][ C2] debugfs_create_dir+0x6a/0x540 [ 13.091883][ C2] component_debug_init+0x17/0x30 [ 13.092073][ C2] do_one_initcall+0x8f/0x1e0 [ 13.092259][ C2] do_initcalls+0x176/0x280 [ 13.092444][ C2] kernel_init_freeable+0x22d/0x300 [ 13.092629][ C2] kernel_init+0x20/0x200 [ 13.092824][ C2] ret_from_fork+0x240/0x320 [ 13.093014][ C2] ret_from_fork_asm+0x1a/0x30 [ 13.093197][ C2] irq event stamp: 237808 [ 13.093337][ C2] hardirqs last enabled at (237808): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.093710][ C2] hardirqs last disabled at (237807): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 13.094077][ C2] softirqs last enabled at (237474): [] handle_softirqs+0x358/0x620 [ 13.094406][ C2] softirqs last disabled at (237493): [] __irq_exit_rcu+0xfa/0x160 [ 13.094735][ C2] [ 13.094735][ C2] other info that might help us debug this: [ 13.095008][ C2] Possible unsafe locking scenario: [ 13.095008][ C2] [ 13.095280][ C2] CPU0 [ 13.095419][ C2] ---- [ 13.095560][ C2] lock(pin_fs_lock); [ 13.095702][ C2] [ 13.095842][ C2] lock(pin_fs_lock); [ 13.095983][ C2] [ 13.095983][ C2] *** DEADLOCK *** [ 13.095983][ C2] [ 13.096254][ C2] 1 lock held by swapper/2/0: [ 13.096440][ C2] #0: ffffffff9f5774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 13.096784][ C2] [ 13.096784][ C2] stack backtrace: [ 13.097015][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.097019][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.097021][ C2] Call Trace: [ 13.097023][ C2] [ 13.097026][ C2] dump_stack_lvl+0x82/0xd0 [ 13.097031][ C2] print_usage_bug.part.0+0x25f/0x360 [ 13.097036][ C2] mark_lock_irq+0x343/0x400 [ 13.097041][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 13.097046][ C2] ? save_trace+0x52/0x170 [ 13.097050][ C2] mark_lock+0x174/0x2f0 [ 13.097054][ C2] mark_usage+0x46/0x150 [ 13.097057][ C2] __lock_acquire+0x20b/0x7e0 [ 13.097061][ C2] ? __lock_acquire+0x44d/0x7e0 [ 13.097065][ C2] lock_acquire.part.0+0xb6/0x240 [ 13.097068][ C2] ? simple_pin_fs+0x24/0x150 [ 13.097072][ C2] ? rcu_is_watching+0x12/0xc0 [ 13.097077][ C2] ? lock_acquire+0x10c/0x170 [ 13.097079][ C2] ? simple_pin_fs+0x24/0x150 [ 13.097083][ C2] _raw_spin_lock+0x33/0x40 [ 13.097086][ C2] ? simple_pin_fs+0x24/0x150 [ 13.097089][ C2] simple_pin_fs+0x24/0x150 [ 13.097092][ C2] debugfs_remove+0x35/0x70 [ 13.097095][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 13.097100][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.097103][ C2] ? __sk_destruct+0x383/0x780 [ 13.097108][ C2] ? rcu_do_batch+0x34c/0xf20 [ 13.097111][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.097113][ C2] ? irq_exit_rcu+0xe/0x30 [ 13.097117][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.097121][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.097124][ C2] ? pv_native_safe_halt+0xf/0x20 [ 13.097128][ C2] ? default_idle+0x9/0x10 [ 13.097130][ C2] ? default_idle_call+0x6d/0xb0 [ 13.097133][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.097137][ C2] ? do_idle+0xf6/0x160 [ 13.097139][ C2] ? cpu_startup_entry+0x54/0x60 [ 13.097142][ C2] ? start_secondary+0x213/0x2a0 [ 13.097146][ C2] ? common_startup_64+0x13e/0x148 [ 13.097153][ C2] __put_net+0x19/0x60 [ 13.097157][ C2] __sk_destruct+0x58a/0x780 [ 13.097161][ C2] ? rcu_do_batch+0x34a/0xf20 [ 13.097164][ C2] rcu_do_batch+0x34c/0xf20 [ 13.097168][ C2] ? find_held_lock+0x2b/0x80 [ 13.097171][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.097175][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.097178][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.097182][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.097187][ C2] rcu_core+0x2bb/0x500 [ 13.097192][ C2] handle_softirqs+0x218/0x620 [ 13.097198][ C2] __irq_exit_rcu+0xfa/0x160 [ 13.097201][ C2] irq_exit_rcu+0xe/0x30 [ 13.097204][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.097208][ C2] [ 13.097209][ C2] [ 13.097210][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.097213][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.097217][ 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 [ 13.097220][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 13.097223][ C2] RAX: 0000000000039fb3 RBX: 1ffff92000028fc1 RCX: ffffffff9e5a35d9 [ 13.097225][ C2] RDX: 0000000000000000 RSI: ffffffff9f09175c RDI: ffffffff9e853ca0 [ 13.097227][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 13.097228][ C2] R10: ffff8880361337d3 R11: ffffffff9f211288 R12: 0000000000000000 [ 13.097230][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 13.097234][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.097239][ C2] default_idle+0x9/0x10 [ 13.097241][ C2] default_idle_call+0x6d/0xb0 [ 13.097243][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 13.097247][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.097251][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.097256][ C2] do_idle+0xf6/0x160 [ 13.097260][ C2] cpu_startup_entry+0x54/0x60 [ 13.097263][ C2] start_secondary+0x213/0x2a0 [ 13.097266][ C2] ? __pfx_start_secondary+0x10/0x10 [ 13.097271][ C2] common_startup_64+0x13e/0x148 [ 13.097278][ C2] [ 13.112284][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 13.112615][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 13.112941][ C2] preempt_count: 101, expected: 0 [ 13.113127][ C2] RCU nest depth: 0, expected: 0 [ 13.113315][ C2] INFO: lockdep is turned off. [ 13.113614][ C2] Preemption disabled at: [ 13.113616][ C2] [<0000000000000000>] 0x0 [ 13.113958][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.113962][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.113964][ C2] Call Trace: [ 13.113965][ C2] [ 13.113967][ C2] dump_stack_lvl+0xb0/0xd0 [ 13.113974][ C2] __might_resched+0x360/0x5a0 [ 13.113981][ C2] down_write+0x72/0x210 [ 13.113985][ C2] ? __pfx_down_write+0x10/0x10 [ 13.113988][ C2] ? simple_recursive_removal+0x33/0x610 [ 13.113993][ C2] ? rcu_is_watching+0x12/0xc0 [ 13.113999][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 13.114003][ C2] simple_recursive_removal+0x6a/0x610 [ 13.114006][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 13.114008][ C2] ? __pfx_remove_one+0x10/0x10 [ 13.114013][ C2] debugfs_remove+0x44/0x70 [ 13.114017][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 13.114021][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.114024][ C2] ? __sk_destruct+0x383/0x780 [ 13.114029][ C2] ? rcu_do_batch+0x34c/0xf20 [ 13.114033][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.114035][ C2] ? irq_exit_rcu+0xe/0x30 [ 13.114040][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.114045][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.114048][ C2] ? pv_native_safe_halt+0xf/0x20 [ 13.114052][ C2] ? default_idle+0x9/0x10 [ 13.114054][ C2] ? default_idle_call+0x6d/0xb0 [ 13.114057][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.114060][ C2] ? do_idle+0xf6/0x160 [ 13.114063][ C2] ? cpu_startup_entry+0x54/0x60 [ 13.114066][ C2] ? start_secondary+0x213/0x2a0 [ 13.114070][ C2] ? common_startup_64+0x13e/0x148 [ 13.114076][ C2] __put_net+0x19/0x60 [ 13.114079][ C2] __sk_destruct+0x58a/0x780 [ 13.114084][ C2] ? rcu_do_batch+0x34a/0xf20 [ 13.114086][ C2] rcu_do_batch+0x34c/0xf20 [ 13.114090][ C2] ? find_held_lock+0x2b/0x80 [ 13.114094][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.114098][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.114102][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.114106][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.114111][ C2] rcu_core+0x2bb/0x500 [ 13.114116][ C2] handle_softirqs+0x218/0x620 [ 13.114121][ C2] __irq_exit_rcu+0xfa/0x160 [ 13.114124][ C2] irq_exit_rcu+0xe/0x30 [ 13.114128][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.114131][ C2] [ 13.114132][ C2] [ 13.114134][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.114136][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.114140][ 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 [ 13.114143][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 13.114146][ C2] RAX: 0000000000039fb3 RBX: 1ffff92000028fc1 RCX: ffffffff9e5a35d9 [ 13.114148][ C2] RDX: 0000000000000000 RSI: ffffffff9f09175c RDI: ffffffff9e853ca0 [ 13.114150][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 13.114151][ C2] R10: ffff8880361337d3 R11: ffffffff9f211288 R12: 0000000000000000 [ 13.114153][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 13.114157][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.114162][ C2] default_idle+0x9/0x10 [ 13.114164][ C2] default_idle_call+0x6d/0xb0 [ 13.114167][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 13.114170][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.114174][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.114179][ C2] do_idle+0xf6/0x160 [ 13.114183][ C2] cpu_startup_entry+0x54/0x60 [ 13.114186][ C2] start_secondary+0x213/0x2a0 [ 13.114189][ C2] ? __pfx_start_secondary+0x10/0x10 [ 13.114194][ C2] common_startup_64+0x13e/0x148 [ 13.114202][ C2]