[ 12.565771][ C2] [ 12.565908][ C2] ================================ [ 12.566102][ C2] WARNING: inconsistent lock state [ 12.566292][ C2] 6.15.0-rc7-virtme #1 Not tainted [ 12.566485][ C2] -------------------------------- [ 12.566673][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.566909][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.567147][ C2] ffffffff90bbff78 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.567484][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.567670][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.567863][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.568054][ C2] _raw_spin_lock+0x33/0x40 [ 12.568246][ C2] simple_pin_fs+0x24/0x150 [ 12.568440][ C2] start_creating.part.0+0x3f/0x2f0 [ 12.568631][ C2] debugfs_create_dir+0x6a/0x540 [ 12.568820][ C2] component_debug_init+0x17/0x30 [ 12.569009][ C2] do_one_initcall+0x8f/0x1e0 [ 12.569198][ C2] do_initcalls+0x176/0x280 [ 12.569386][ C2] kernel_init_freeable+0x22d/0x300 [ 12.569575][ C2] kernel_init+0x20/0x200 [ 12.569761][ C2] ret_from_fork+0x31/0x70 [ 12.569949][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.570136][ C2] irq event stamp: 201598 [ 12.570280][ C2] hardirqs last enabled at (201598): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.570661][ C2] hardirqs last disabled at (201597): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.571036][ C2] softirqs last enabled at (201176): [] handle_softirqs+0x358/0x620 [ 12.571362][ C2] softirqs last disabled at (201183): [] __irq_exit_rcu+0xfa/0x160 [ 12.571704][ C2] [ 12.571704][ C2] other info that might help us debug this: [ 12.571979][ C2] Possible unsafe locking scenario: [ 12.571979][ C2] [ 12.572263][ C2] CPU0 [ 12.572401][ C2] ---- [ 12.572541][ C2] lock(pin_fs_lock); [ 12.572690][ C2] [ 12.572832][ C2] lock(pin_fs_lock); [ 12.572977][ C2] [ 12.572977][ C2] *** DEADLOCK *** [ 12.572977][ C2] [ 12.573252][ C2] 1 lock held by swapper/2/0: [ 12.573442][ C2] #0: ffffffff909749c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.573785][ C2] [ 12.573785][ C2] stack backtrace: [ 12.574037][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 12.574042][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.574044][ C2] Call Trace: [ 12.574045][ C2] [ 12.574048][ C2] dump_stack_lvl+0x82/0xd0 [ 12.574054][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.574058][ C2] mark_lock_irq+0x343/0x400 [ 12.574062][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.574067][ C2] ? save_trace+0x52/0x170 [ 12.574072][ C2] mark_lock+0x174/0x2f0 [ 12.574076][ C2] mark_usage+0x46/0x150 [ 12.574079][ C2] __lock_acquire+0x3eb/0x9d0 [ 12.574083][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.574086][ C2] ? simple_pin_fs+0x24/0x150 [ 12.574090][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.574094][ C2] ? lock_acquire+0x10c/0x170 [ 12.574096][ C2] ? simple_pin_fs+0x24/0x150 [ 12.574100][ C2] _raw_spin_lock+0x33/0x40 [ 12.574103][ C2] ? simple_pin_fs+0x24/0x150 [ 12.574105][ C2] simple_pin_fs+0x24/0x150 [ 12.574109][ C2] debugfs_remove+0x35/0x70 [ 12.574113][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.574119][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.574122][ C2] ? __sk_destruct+0x383/0x780 [ 12.574127][ C2] ? rcu_do_batch+0x34f/0xf20 [ 12.574130][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.574133][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.574136][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.574140][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.574143][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.574147][ C2] ? default_idle+0x9/0x10 [ 12.574149][ C2] ? default_idle_call+0x6d/0xb0 [ 12.574151][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.574155][ C2] ? do_idle+0xf6/0x160 [ 12.574157][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.574159][ C2] ? start_secondary+0x213/0x2a0 [ 12.574162][ C2] ? common_startup_64+0x13e/0x148 [ 12.574169][ C2] __put_net+0x19/0x60 [ 12.574172][ C2] __sk_destruct+0x58a/0x780 [ 12.574176][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.574179][ C2] rcu_do_batch+0x34f/0xf20 [ 12.574184][ C2] ? find_held_lock+0x2b/0x80 [ 12.574188][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.574192][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.574196][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.574199][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.574204][ C2] rcu_core+0x2bb/0x500 [ 12.574207][ C2] handle_softirqs+0x218/0x620 [ 12.574213][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.574215][ C2] irq_exit_rcu+0xe/0x30 [ 12.574218][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.574221][ C2] [ 12.574222][ C2] [ 12.574224][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.574227][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.574231][ C2] 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 [ 12.574234][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.574237][ C2] RAX: 00000000000311dd RBX: 1ffff92000028fc1 RCX: ffffffff8f96ea19 [ 12.574239][ C2] RDX: 0000000000000000 RSI: ffffffff90489a45 RDI: ffffffff8fc513a0 [ 12.574240][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.574242][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.574244][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.574248][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.574254][ C2] default_idle+0x9/0x10 [ 12.574256][ C2] default_idle_call+0x6d/0xb0 [ 12.574258][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.574261][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.574265][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.574269][ C2] do_idle+0xf6/0x160 [ 12.574272][ C2] cpu_startup_entry+0x54/0x60 [ 12.574275][ C2] start_secondary+0x213/0x2a0 [ 12.574278][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.574282][ C2] common_startup_64+0x13e/0x148 [ 12.574289][ C2] [ 12.589308][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.589632][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/2 [ 12.589956][ C2] preempt_count: 101, expected: 0 [ 12.590141][ C2] RCU nest depth: 0, expected: 0 [ 12.590329][ C2] INFO: lockdep is turned off. [ 12.590528][ C2] Preemption disabled at: [ 12.590530][ C2] [<0000000000000000>] 0x0 [ 12.590877][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 12.590882][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.590884][ C2] Call Trace: [ 12.590885][ C2] [ 12.590887][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.590895][ C2] __might_resched+0x360/0x5a0 [ 12.590901][ C2] down_write+0x72/0x210 [ 12.590905][ C2] ? __pfx_down_write+0x10/0x10 [ 12.590908][ C2] ? simple_recursive_removal+0x3a/0x860 [ 12.590912][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.590916][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.590921][ C2] simple_recursive_removal+0x166/0x860 [ 12.590924][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.590929][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.590934][ C2] debugfs_remove+0x44/0x70 [ 12.590937][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.590942][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.590946][ C2] ? __sk_destruct+0x383/0x780 [ 12.590950][ C2] ? rcu_do_batch+0x34f/0xf20 [ 12.590955][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.590958][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.590962][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.590965][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.590969][ C2] ? pv_native_safe_halt+0xf/0x20 [ 12.590972][ C2] ? default_idle+0x9/0x10 [ 12.590974][ C2] ? default_idle_call+0x6d/0xb0 [ 12.590976][ C2] ? cpuidle_idle_call+0x26f/0x3a0 [ 12.590979][ C2] ? do_idle+0xf6/0x160 [ 12.590981][ C2] ? cpu_startup_entry+0x54/0x60 [ 12.590983][ C2] ? start_secondary+0x213/0x2a0 [ 12.590987][ C2] ? common_startup_64+0x13e/0x148 [ 12.590993][ C2] __put_net+0x19/0x60 [ 12.590996][ C2] __sk_destruct+0x58a/0x780 [ 12.591000][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.591003][ C2] rcu_do_batch+0x34f/0xf20 [ 12.591007][ C2] ? find_held_lock+0x2b/0x80 [ 12.591012][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.591016][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.591020][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.591024][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.591028][ C2] rcu_core+0x2bb/0x500 [ 12.591032][ C2] handle_softirqs+0x218/0x620 [ 12.591037][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.591040][ C2] irq_exit_rcu+0xe/0x30 [ 12.591042][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.591046][ C2] [ 12.591047][ C2] [ 12.591048][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.591051][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 12.591055][ C2] 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 [ 12.591057][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 12.591061][ C2] RAX: 00000000000311dd RBX: 1ffff92000028fc1 RCX: ffffffff8f96ea19 [ 12.591063][ C2] RDX: 0000000000000000 RSI: ffffffff90489a45 RDI: ffffffff8fc513a0 [ 12.591065][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c2667a [ 12.591067][ C2] R10: ffff8880361333d3 R11: 0000000000000000 R12: 0000000000000000 [ 12.591068][ C2] R13: ffff888001bf2340 R14: dffffc0000000000 R15: 0000000000000000 [ 12.591072][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 12.591078][ C2] default_idle+0x9/0x10 [ 12.591080][ C2] default_idle_call+0x6d/0xb0 [ 12.591082][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 12.591085][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 12.591089][ C2] ? tsc_verify_tsc_adjust+0x98/0x300 [ 12.591093][ C2] do_idle+0xf6/0x160 [ 12.591096][ C2] cpu_startup_entry+0x54/0x60 [ 12.591099][ C2] start_secondary+0x213/0x2a0 [ 12.591102][ C2] ? __pfx_start_secondary+0x10/0x10 [ 12.591106][ C2] common_startup_64+0x13e/0x148 [ 12.591113][ C2]