[ 13.254458][ C3] [ 13.254611][ C3] ================================ [ 13.254818][ C3] WARNING: inconsistent lock state [ 13.255027][ C3] 6.15.0-rc7-virtme #1 Not tainted [ 13.255230][ C3] -------------------------------- [ 13.255434][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.255686][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 13.255942][ C3] ffffffff919bff78 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 13.256311][ C3] {SOFTIRQ-ON-W} state was registered at: [ 13.256515][ C3] __lock_acquire+0x3eb/0x9d0 [ 13.256729][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.256932][ C3] _raw_spin_lock+0x33/0x40 [ 13.257144][ C3] simple_pin_fs+0x24/0x150 [ 13.257347][ C3] start_creating.part.0+0x3f/0x2f0 [ 13.257554][ C3] debugfs_create_dir+0x6a/0x540 [ 13.257760][ C3] component_debug_init+0x17/0x30 [ 13.257966][ C3] do_one_initcall+0x8f/0x1e0 [ 13.258175][ C3] do_initcalls+0x176/0x280 [ 13.258384][ C3] kernel_init_freeable+0x22d/0x300 [ 13.258587][ C3] kernel_init+0x20/0x200 [ 13.258793][ C3] ret_from_fork+0x31/0x70 [ 13.259003][ C3] ret_from_fork_asm+0x1a/0x30 [ 13.259209][ C3] irq event stamp: 240668 [ 13.259365][ C3] hardirqs last enabled at (240668): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.259780][ C3] hardirqs last disabled at (240667): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 13.260188][ C3] softirqs last enabled at (240022): [] handle_softirqs+0x358/0x620 [ 13.260546][ C3] softirqs last disabled at (240053): [] __irq_exit_rcu+0xfa/0x160 [ 13.260905][ C3] [ 13.260905][ C3] other info that might help us debug this: [ 13.261217][ C3] Possible unsafe locking scenario: [ 13.261217][ C3] [ 13.261518][ C3] CPU0 [ 13.261672][ C3] ---- [ 13.261828][ C3] lock(pin_fs_lock); [ 13.261987][ C3] [ 13.262148][ C3] lock(pin_fs_lock); [ 13.262310][ C3] [ 13.262310][ C3] *** DEADLOCK *** [ 13.262310][ C3] [ 13.262630][ C3] 1 lock held by swapper/3/0: [ 13.262841][ C3] #0: ffffffff917749c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 13.263224][ C3] [ 13.263224][ C3] stack backtrace: [ 13.263507][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 13.263512][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.263514][ C3] Call Trace: [ 13.263517][ C3] [ 13.263519][ C3] dump_stack_lvl+0x82/0xd0 [ 13.263527][ C3] print_usage_bug.part.0+0x25f/0x360 [ 13.263532][ C3] mark_lock_irq+0x343/0x400 [ 13.263536][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 13.263541][ C3] ? save_trace+0x52/0x170 [ 13.263548][ C3] mark_lock+0x174/0x2f0 [ 13.263551][ C3] mark_usage+0x46/0x150 [ 13.263554][ C3] __lock_acquire+0x3eb/0x9d0 [ 13.263559][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.263562][ C3] ? simple_pin_fs+0x24/0x150 [ 13.263566][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.263570][ C3] ? lock_acquire+0x10c/0x170 [ 13.263572][ C3] ? simple_pin_fs+0x24/0x150 [ 13.263576][ C3] _raw_spin_lock+0x33/0x40 [ 13.263579][ C3] ? simple_pin_fs+0x24/0x150 [ 13.263581][ C3] simple_pin_fs+0x24/0x150 [ 13.263585][ C3] debugfs_remove+0x35/0x70 [ 13.263588][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.263595][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.263599][ C3] ? __sk_destruct+0x383/0x780 [ 13.263605][ C3] ? rcu_do_batch+0x34f/0xf20 [ 13.263609][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.263612][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.263615][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.263621][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.263625][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.263628][ C3] ? default_idle+0x9/0x10 [ 13.263630][ C3] ? default_idle_call+0x6d/0xb0 [ 13.263633][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.263637][ C3] ? do_idle+0xf6/0x160 [ 13.263639][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.263641][ C3] ? start_secondary+0x213/0x2a0 [ 13.263645][ C3] ? common_startup_64+0x13e/0x148 [ 13.263652][ C3] __put_net+0x19/0x60 [ 13.263657][ C3] __sk_destruct+0x58a/0x780 [ 13.263661][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.263664][ C3] rcu_do_batch+0x34f/0xf20 [ 13.263670][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.263674][ C3] ? __lock_release+0x5d/0x170 [ 13.263677][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.263680][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.263685][ C3] rcu_core+0x2bb/0x500 [ 13.263689][ C3] handle_softirqs+0x218/0x620 [ 13.263694][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.263697][ C3] irq_exit_rcu+0xe/0x30 [ 13.263700][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.263703][ C3] [ 13.263704][ C3] [ 13.263706][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.263709][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.263713][ C3] Code: 50 b7 00 e9 c3 57 02 00 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 c3 45 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 [ 13.263716][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 13.263720][ C3] RAX: 000000000003a9b3 RBX: 1ffff9200002afc1 RCX: ffffffff9076ea19 [ 13.263722][ C3] RDX: 0000000000000000 RSI: ffffffff91289a45 RDI: ffffffff90a513a0 [ 13.263724][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a [ 13.263725][ C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 13.263727][ C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000 [ 13.263731][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.263737][ C3] default_idle+0x9/0x10 [ 13.263739][ C3] default_idle_call+0x6d/0xb0 [ 13.263741][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.263744][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.263747][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 13.263753][ C3] do_idle+0xf6/0x160 [ 13.263756][ C3] cpu_startup_entry+0x54/0x60 [ 13.263759][ C3] start_secondary+0x213/0x2a0 [ 13.263762][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.263766][ C3] common_startup_64+0x13e/0x148 [ 13.263773][ C3] [ 13.279554][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 13.279918][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 13.280247][ C3] preempt_count: 101, expected: 0 [ 13.280440][ C3] RCU nest depth: 0, expected: 0 [ 13.280635][ C3] INFO: lockdep is turned off. [ 13.280826][ C3] Preemption disabled at: [ 13.280828][ C3] [<0000000000000000>] 0x0 [ 13.281173][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 13.281177][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.281179][ C3] Call Trace: [ 13.281181][ C3] [ 13.281184][ C3] dump_stack_lvl+0xb0/0xd0 [ 13.281193][ C3] __might_resched+0x360/0x5a0 [ 13.281201][ C3] down_write+0x72/0x210 [ 13.281205][ C3] ? __pfx_down_write+0x10/0x10 [ 13.281207][ C3] ? simple_recursive_removal+0x3a/0x860 [ 13.281212][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.281217][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.281223][ C3] simple_recursive_removal+0x166/0x860 [ 13.281226][ C3] ? __pfx_remove_one+0x10/0x10 [ 13.281230][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.281235][ C3] debugfs_remove+0x44/0x70 [ 13.281239][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.281245][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.281249][ C3] ? __sk_destruct+0x383/0x780 [ 13.281253][ C3] ? rcu_do_batch+0x34f/0xf20 [ 13.281258][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.281262][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.281266][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.281270][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.281274][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.281277][ C3] ? default_idle+0x9/0x10 [ 13.281280][ C3] ? default_idle_call+0x6d/0xb0 [ 13.281282][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.281285][ C3] ? do_idle+0xf6/0x160 [ 13.281287][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.281290][ C3] ? start_secondary+0x213/0x2a0 [ 13.281293][ C3] ? common_startup_64+0x13e/0x148 [ 13.281299][ C3] __put_net+0x19/0x60 [ 13.281303][ C3] __sk_destruct+0x58a/0x780 [ 13.281307][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.281311][ C3] rcu_do_batch+0x34f/0xf20 [ 13.281317][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.281321][ C3] ? __lock_release+0x5d/0x170 [ 13.281324][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.281327][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.281333][ C3] rcu_core+0x2bb/0x500 [ 13.281337][ C3] handle_softirqs+0x218/0x620 [ 13.281342][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.281345][ C3] irq_exit_rcu+0xe/0x30 [ 13.281347][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.281351][ C3] [ 13.281352][ C3] [ 13.281353][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.281356][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.281360][ C3] Code: 50 b7 00 e9 c3 57 02 00 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 c3 45 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 [ 13.281363][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000242 [ 13.281366][ C3] RAX: 000000000003a9b3 RBX: 1ffff9200002afc1 RCX: ffffffff9076ea19 [ 13.281369][ C3] RDX: 0000000000000000 RSI: ffffffff91289a45 RDI: ffffffff90a513a0 [ 13.281371][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c3667a [ 13.281372][ C3] R10: ffff8880361b33d3 R11: 0000000000000000 R12: 0000000000000000 [ 13.281374][ C3] R13: ffff888001bf4640 R14: dffffc0000000000 R15: 0000000000000000 [ 13.281378][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.281384][ C3] default_idle+0x9/0x10 [ 13.281386][ C3] default_idle_call+0x6d/0xb0 [ 13.281388][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.281391][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.281395][ C3] ? tsc_verify_tsc_adjust+0x98/0x300 [ 13.281399][ C3] do_idle+0xf6/0x160 [ 13.281403][ C3] cpu_startup_entry+0x54/0x60 [ 13.281406][ C3] start_secondary+0x213/0x2a0 [ 13.281408][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.281413][ C3] common_startup_64+0x13e/0x148 [ 13.281420][ C3]