[ 12.696577][ C2] [ 12.696733][ C2] ================================ [ 12.696930][ C2] WARNING: inconsistent lock state [ 12.697122][ C2] 6.15.0-virtme #1 Not tainted [ 12.697311][ C2] -------------------------------- [ 12.697503][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.697742][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.697983][ C2] ffffffffb31c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.698330][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.698530][ C2] __lock_acquire+0x20b/0x7e0 [ 12.698730][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.698924][ C2] _raw_spin_lock+0x33/0x40 [ 12.699121][ C2] simple_pin_fs+0x24/0x150 [ 12.699321][ C2] start_creating.part.0+0x52/0x310 [ 12.699515][ C2] debugfs_create_dir+0x6a/0x540 [ 12.699707][ C2] component_debug_init+0x17/0x30 [ 12.699913][ C2] do_one_initcall+0x8f/0x1e0 [ 12.700106][ C2] do_initcalls+0x176/0x280 [ 12.700303][ C2] kernel_init_freeable+0x22d/0x300 [ 12.700499][ C2] kernel_init+0x20/0x200 [ 12.700702][ C2] ret_from_fork+0x240/0x320 [ 12.700900][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.701083][ C2] irq event stamp: 212726 [ 12.701234][ C2] hardirqs last enabled at (212726): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.701631][ C2] hardirqs last disabled at (212725): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.702005][ C2] softirqs last enabled at (211850): [] handle_softirqs+0x358/0x620 [ 12.702344][ C2] softirqs last disabled at (211869): [] __irq_exit_rcu+0xfa/0x160 [ 12.702673][ C2] [ 12.702673][ C2] other info that might help us debug this: [ 12.702954][ C2] Possible unsafe locking scenario: [ 12.702954][ C2] [ 12.703237][ C2] CPU0 [ 12.703380][ C2] ---- [ 12.703520][ C2] lock(pin_fs_lock); [ 12.703671][ C2] [ 12.703811][ C2] lock(pin_fs_lock); [ 12.703956][ C2] [ 12.703956][ C2] *** DEADLOCK *** [ 12.703956][ C2] [ 12.704237][ C2] 1 lock held by swapper/2/0: [ 12.704428][ C2] #0: ffffffffb2f774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.704775][ C2] [ 12.704775][ C2] stack backtrace: [ 12.705007][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.705012][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.705014][ C2] Call Trace: [ 12.705016][ C2] [ 12.705019][ C2] dump_stack_lvl+0x82/0xd0 [ 12.705026][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.705031][ C2] mark_lock_irq+0x343/0x400 [ 12.705035][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.705042][ C2] ? save_trace+0x52/0x170 [ 12.705046][ C2] mark_lock+0x174/0x2f0 [ 12.705050][ C2] mark_usage+0x46/0x150 [ 12.705054][ C2] __lock_acquire+0x20b/0x7e0 [ 12.705057][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.705062][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.705065][ C2] ? simple_pin_fs+0x24/0x150 [ 12.705069][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.705075][ C2] ? lock_acquire+0x10c/0x170 [ 12.705078][ C2] ? simple_pin_fs+0x24/0x150 [ 12.705081][ C2] _raw_spin_lock+0x33/0x40 [ 12.705085][ C2] ? simple_pin_fs+0x24/0x150 [ 12.705087][ C2] simple_pin_fs+0x24/0x150 [ 12.705090][ C2] debugfs_remove+0x35/0x70 [ 12.705094][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.705100][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.705102][ C2] ? __sk_destruct+0x383/0x780 [ 12.705110][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.705113][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.705116][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.705119][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.705124][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.705129][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.705132][ C2] ? default_idle+0x9/0x10 [ 12.705134][ C2] ? default_idle_call+0x6d/0xb0 [ 12.705137][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.705142][ C2] ? do_idle+0xf6/0x160 [ 12.705144][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.705147][ C2] ? start_secondary+0x213/0x2a0 [ 12.705152][ C2] ? common_startup_64+0x13e/0x148 [ 12.705160][ C2] __put_net+0x19/0x60 [ 12.705166][ C2] __sk_destruct+0x58a/0x780 [ 12.705170][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.705173][ C2] rcu_do_batch+0x34c/0xf20 [ 12.705178][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.705181][ C2] ? __lock_release+0x5d/0x170 [ 12.705185][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.705188][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.705193][ C2] rcu_core+0x2bb/0x500 [ 12.705198][ C2] handle_softirqs+0x218/0x620 [ 12.705204][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.705207][ C2] irq_exit_rcu+0xe/0x30 [ 12.705210][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.705214][ C2] [ 12.705215][ C2] [ 12.705216][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.705219][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.705223][ 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 [ 12.705226][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 12.705230][ C2] RAX: 0000000000033b9b RBX: 1ffff92000028fc1 RCX: ffffffffb1fa35d9 [ 12.705232][ C2] RDX: 0000000000000000 RSI: ffffffffb2a9175c RDI: ffffffffb2253ca0 [ 12.705234][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 12.705235][ C2] R10: ffff8880361337d3 R11: ffffffffb2c11288 R12: 0000000000000000 [ 12.705237][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 12.705241][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.705246][ C2] default_idle+0x9/0x10 [ 12.705249][ C2] default_idle_call+0x6d/0xb0 [ 12.705251][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.705255][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.705259][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 12.705265][ C2] do_idle+0xf6/0x160 [ 12.705268][ C2] cpu_startup_entry+0x54/0x60 [ 12.705272][ C2] start_secondary+0x213/0x2a0 [ 12.705275][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.705280][ C2] common_startup_64+0x13e/0x148 [ 12.705287][ C2] [ 12.720566][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.720930][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.721282][ C2] preempt_count: 101, expected: 0 [ 12.721473][ C2] RCU nest depth: 0, expected: 0 [ 12.721681][ C2] INFO: lockdep is turned off. [ 12.721893][ C2] Preemption disabled at: [ 12.721895][ C2] [<0000000000000000>] 0x0 [ 12.722248][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.722253][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.722255][ C2] Call Trace: [ 12.722257][ C2] [ 12.722259][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.722267][ C2] __might_resched+0x360/0x5a0 [ 12.722277][ C2] down_write+0x72/0x210 [ 12.722282][ C2] ? __pfx_down_write+0x10/0x10 [ 12.722284][ C2] ? simple_recursive_removal+0x33/0x610 [ 12.722290][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.722296][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.722301][ C2] simple_recursive_removal+0x6a/0x610 [ 12.722304][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.722307][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.722313][ C2] debugfs_remove+0x44/0x70 [ 12.722316][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.722321][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.722324][ C2] ? __sk_destruct+0x383/0x780 [ 12.722329][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.722334][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.722336][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.722343][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.722348][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.722352][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.722356][ C2] ? default_idle+0x9/0x10 [ 12.722359][ C2] ? default_idle_call+0x6d/0xb0 [ 12.722361][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.722366][ C2] ? do_idle+0xf6/0x160 [ 12.722369][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.722371][ C2] ? start_secondary+0x213/0x2a0 [ 12.722376][ C2] ? common_startup_64+0x13e/0x148 [ 12.722383][ C2] __put_net+0x19/0x60 [ 12.722386][ C2] __sk_destruct+0x58a/0x780 [ 12.722391][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.722394][ C2] rcu_do_batch+0x34c/0xf20 [ 12.722399][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.722402][ C2] ? __lock_release+0x5d/0x170 [ 12.722408][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.722411][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.722418][ C2] rcu_core+0x2bb/0x500 [ 12.722423][ C2] handle_softirqs+0x218/0x620 [ 12.722429][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.722432][ C2] irq_exit_rcu+0xe/0x30 [ 12.722435][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.722439][ C2] [ 12.722440][ C2] [ 12.722441][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.722444][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.722448][ 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 [ 12.722451][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 12.722454][ C2] RAX: 0000000000033b9b RBX: 1ffff92000028fc1 RCX: ffffffffb1fa35d9 [ 12.722456][ C2] RDX: 0000000000000000 RSI: ffffffffb2a9175c RDI: ffffffffb2253ca0 [ 12.722457][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c266fa [ 12.722459][ C2] R10: ffff8880361337d3 R11: ffffffffb2c11288 R12: 0000000000000000 [ 12.722460][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 12.722464][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.722469][ C2] default_idle+0x9/0x10 [ 12.722472][ C2] default_idle_call+0x6d/0xb0 [ 12.722474][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.722478][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.722482][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 12.722486][ C2] do_idle+0xf6/0x160 [ 12.722490][ C2] cpu_startup_entry+0x54/0x60 [ 12.722493][ C2] start_secondary+0x213/0x2a0 [ 12.722496][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.722501][ C2] common_startup_64+0x13e/0x148 [ 12.722508][ C2]