[ 12.474946][ C2] [ 12.475099][ C2] ================================ [ 12.475296][ C2] WARNING: inconsistent lock state [ 12.475495][ C2] 6.15.0-rc5-virtme #1 Not tainted [ 12.475693][ C2] -------------------------------- [ 12.475890][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.476132][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.476380][ C2] ffffffffb29bf978 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.476732][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.476932][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.477129][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.477331][ C2] _raw_spin_lock+0x33/0x40 [ 12.477527][ C2] simple_pin_fs+0x24/0x150 [ 12.477715][ C2] start_creating.part.0+0x3f/0x2f0 [ 12.477908][ C2] debugfs_create_dir+0x6a/0x540 [ 12.478097][ C2] component_debug_init+0x17/0x30 [ 12.478290][ C2] do_one_initcall+0x8c/0x1e0 [ 12.478488][ C2] do_initcalls+0x176/0x280 [ 12.478693][ C2] kernel_init_freeable+0x22d/0x300 [ 12.478894][ C2] kernel_init+0x20/0x200 [ 12.479092][ C2] ret_from_fork+0x31/0x70 [ 12.479291][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.479490][ C2] irq event stamp: 232820 [ 12.479638][ C2] hardirqs last enabled at (232820): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.480035][ C2] hardirqs last disabled at (232819): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.480424][ C2] softirqs last enabled at (232574): [] handle_softirqs+0x358/0x620 [ 12.480770][ C2] softirqs last disabled at (232581): [] __irq_exit_rcu+0xfa/0x160 [ 12.481117][ C2] [ 12.481117][ C2] other info that might help us debug this: [ 12.481409][ C2] Possible unsafe locking scenario: [ 12.481409][ C2] [ 12.481702][ C2] CPU0 [ 12.481847][ C2] ---- [ 12.481994][ C2] lock(pin_fs_lock); [ 12.482140][ C2] [ 12.482281][ C2] lock(pin_fs_lock); [ 12.482426][ C2] [ 12.482426][ C2] *** DEADLOCK *** [ 12.482426][ C2] [ 12.482708][ C2] 1 lock held by swapper/2/0: [ 12.482899][ C2] #0: ffffffffb2774480 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.483241][ C2] [ 12.483241][ C2] stack backtrace: [ 12.483495][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 12.483499][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.483501][ C2] Call Trace: [ 12.483503][ C2] [ 12.483505][ C2] dump_stack_lvl+0x82/0xd0 [ 12.483511][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.483515][ C2] mark_lock_irq+0x343/0x400 [ 12.483519][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.483523][ C2] ? save_trace+0x52/0x170 [ 12.483529][ C2] mark_lock+0x174/0x2f0 [ 12.483533][ C2] mark_usage+0x46/0x150 [ 12.483535][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.483540][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.483542][ C2] ? simple_pin_fs+0x24/0x150 [ 12.483546][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.483549][ C2] ? lock_acquire+0x10c/0x170 [ 12.483551][ C2] ? simple_pin_fs+0x24/0x150 [ 12.483555][ C2] _raw_spin_lock+0x33/0x40 [ 12.483557][ C2] ? simple_pin_fs+0x24/0x150 [ 12.483560][ C2] simple_pin_fs+0x24/0x150 [ 12.483563][ C2] debugfs_remove+0x35/0x70 [ 12.483566][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.483571][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.483574][ C2] ? __sk_destruct+0x383/0x780 [ 12.483579][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.483582][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.483585][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.483588][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.483592][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.483595][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.483598][ C2] ? default_idle+0x9/0x10 [ 12.483601][ C2] ? default_idle_call+0x6d/0xb0 [ 12.483603][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.483606][ C2] ? do_idle+0xf6/0x160 [ 12.483608][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.483611][ C2] ? start_secondary+0x213/0x2a0 [ 12.483613][ C2] ? common_startup_64+0x13e/0x148 [ 12.483619][ C2] __put_net+0x19/0x60 [ 12.483623][ C2] __sk_destruct+0x58a/0x780 [ 12.483626][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.483629][ C2] rcu_do_batch+0x34c/0xf20 [ 12.483633][ C2] ? find_held_lock+0x2b/0x80 [ 12.483637][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.483641][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.483645][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.483648][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.483653][ C2] rcu_core+0x2bb/0x500 [ 12.483656][ C2] handle_softirqs+0x218/0x620 [ 12.483661][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.483664][ C2] irq_exit_rcu+0xe/0x30 [ 12.483666][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.483670][ C2] [ 12.483671][ C2] [ 12.483672][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.483675][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.483679][ 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 [ 12.483682][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 12.483685][ C2] RAX: 0000000000038c83 RBX: 1ffff92000028fc1 RCX: ffffffffb1768a19 [ 12.483687][ C2] RDX: 0000000000000000 RSI: ffffffffb22881e1 RDI: ffffffffb1a50e20 [ 12.483689][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.483691][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.483693][ C2] R13: ffff888001bb2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.483696][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.483702][ C2] default_idle+0x9/0x10 [ 12.483705][ C2] default_idle_call+0x6d/0xb0 [ 12.483707][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.483710][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.483713][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.483717][ C2] do_idle+0xf6/0x160 [ 12.483720][ C2] cpu_startup_entry+0x54/0x60 [ 12.483723][ C2] start_secondary+0x213/0x2a0 [ 12.483725][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.483730][ C2] common_startup_64+0x13e/0x148 [ 12.483736][ C2] [ 12.499222][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.499566][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.499906][ C2] preempt_count: 101, expected: 0 [ 12.500100][ C2] RCU nest depth: 0, expected: 0 [ 12.500301][ C2] INFO: lockdep is turned off. [ 12.500499][ C2] Preemption disabled at: [ 12.500501][ C2] [<0000000000000000>] 0x0 [ 12.500863][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc5-virtme #1 PREEMPT(full) [ 12.500867][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.500869][ C2] Call Trace: [ 12.500871][ C2] [ 12.500873][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.500880][ C2] __might_resched+0x360/0x5a0 [ 12.500886][ C2] down_write+0x72/0x210 [ 12.500889][ C2] ? __pfx_down_write+0x10/0x10 [ 12.500892][ C2] ? simple_recursive_removal+0x3a/0x860 [ 12.500896][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.500900][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.500905][ C2] simple_recursive_removal+0x166/0x860 [ 12.500908][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.500912][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.500917][ C2] debugfs_remove+0x44/0x70 [ 12.500920][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.500925][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.500928][ C2] ? __sk_destruct+0x383/0x780 [ 12.500932][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.500936][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.500940][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.500944][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.500948][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.500951][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.500954][ C2] ? default_idle+0x9/0x10 [ 12.500957][ C2] ? default_idle_call+0x6d/0xb0 [ 12.500959][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.500963][ C2] ? do_idle+0xf6/0x160 [ 12.500965][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.500967][ C2] ? start_secondary+0x213/0x2a0 [ 12.500969][ C2] ? common_startup_64+0x13e/0x148 [ 12.500975][ C2] __put_net+0x19/0x60 [ 12.500978][ C2] __sk_destruct+0x58a/0x780 [ 12.500982][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.500985][ C2] rcu_do_batch+0x34c/0xf20 [ 12.500989][ C2] ? find_held_lock+0x2b/0x80 [ 12.500994][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.500998][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.501002][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.501005][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.501009][ C2] rcu_core+0x2bb/0x500 [ 12.501013][ C2] handle_softirqs+0x218/0x620 [ 12.501018][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.501020][ C2] irq_exit_rcu+0xe/0x30 [ 12.501023][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.501026][ C2] [ 12.501027][ C2] [ 12.501028][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.501031][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.501034][ 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 [ 12.501037][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 12.501040][ C2] RAX: 0000000000038c83 RBX: 1ffff92000028fc1 RCX: ffffffffb1768a19 [ 12.501042][ C2] RDX: 0000000000000000 RSI: ffffffffb22881e1 RDI: ffffffffb1a50e20 [ 12.501044][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.501046][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.501047][ C2] R13: ffff888001bb2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.501051][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.501056][ C2] default_idle+0x9/0x10 [ 12.501059][ C2] default_idle_call+0x6d/0xb0 [ 12.501061][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.501064][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.501067][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.501072][ C2] do_idle+0xf6/0x160 [ 12.501075][ C2] cpu_startup_entry+0x54/0x60 [ 12.501077][ C2] start_secondary+0x213/0x2a0 [ 12.501080][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.501084][ C2] common_startup_64+0x13e/0x148 [ 12.501090][ C2]