[ 66.749691][ C1] [ 66.749890][ C1] ================================ [ 66.750070][ C1] WARNING: inconsistent lock state [ 66.750244][ C1] 6.15.0-virtme #1 Not tainted [ 66.750420][ C1] -------------------------------- [ 66.750588][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 66.750799][ C1] ksoftirqd/1/22 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 66.751020][ C1] ffffffffa1dd0bb8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 66.751351][ C1] {SOFTIRQ-ON-W} state was registered at: [ 66.751528][ C1] __lock_acquire+0x20b/0x7e0 [ 66.751723][ C1] lock_acquire.part.0+0xb6/0x240 [ 66.751897][ C1] _raw_spin_lock+0x33/0x40 [ 66.752086][ C1] simple_pin_fs+0x24/0x150 [ 66.752259][ C1] start_creating.part.0+0x52/0x310 [ 66.752443][ C1] debugfs_create_dir+0x6a/0x570 [ 66.752617][ C1] component_debug_init+0x17/0x30 [ 66.752803][ C1] do_one_initcall+0x8f/0x1e0 [ 66.752985][ C1] do_initcalls+0x176/0x280 [ 66.753163][ C1] kernel_init_freeable+0x22d/0x300 [ 66.753337][ C1] kernel_init+0x20/0x200 [ 66.753510][ C1] ret_from_fork+0x240/0x320 [ 66.753691][ C1] ret_from_fork_asm+0x1a/0x30 [ 66.753861][ C1] irq event stamp: 767486 [ 66.753992][ C1] hardirqs last enabled at (767486): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 66.754334][ C1] hardirqs last disabled at (767485): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 66.754685][ C1] softirqs last enabled at (766300): [] handle_softirqs+0x358/0x620 [ 66.754997][ C1] softirqs last disabled at (766303): [] run_ksoftirqd+0x3f/0x70 [ 66.755301][ C1] [ 66.755301][ C1] other info that might help us debug this: [ 66.755558][ C1] Possible unsafe locking scenario: [ 66.755558][ C1] [ 66.755806][ C1] CPU0 [ 66.755937][ C1] ---- [ 66.756066][ C1] lock(pin_fs_lock); [ 66.756197][ C1] [ 66.756326][ C1] lock(pin_fs_lock); [ 66.756457][ C1] [ 66.756457][ C1] *** DEADLOCK *** [ 66.756457][ C1] [ 66.756713][ C1] 1 lock held by ksoftirqd/1/22: [ 66.756893][ C1] #0: ffffffffa1b77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 66.757207][ C1] [ 66.757207][ C1] stack backtrace: [ 66.757425][ C1] CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 66.757430][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.757435][ C1] Call Trace: [ 66.757438][ C1] [ 66.757441][ C1] dump_stack_lvl+0x82/0xd0 [ 66.757452][ C1] print_usage_bug.part.0+0x25f/0x360 [ 66.757457][ C1] mark_lock_irq+0x343/0x400 [ 66.757462][ C1] ? __pfx_unwind_next_frame+0x10/0x10 [ 66.757470][ C1] ? save_trace+0x52/0x170 [ 66.757474][ C1] mark_lock+0x174/0x2f0 [ 66.757479][ C1] mark_usage+0x46/0x150 [ 66.757482][ C1] __lock_acquire+0x20b/0x7e0 [ 66.757486][ C1] ? __lock_acquire+0x44d/0x7e0 [ 66.757491][ C1] lock_acquire.part.0+0xb6/0x240 [ 66.757495][ C1] ? simple_pin_fs+0x24/0x150 [ 66.757499][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.757507][ C1] ? lock_acquire+0x10c/0x170 [ 66.757510][ C1] ? simple_pin_fs+0x24/0x150 [ 66.757515][ C1] _raw_spin_lock+0x33/0x40 [ 66.757518][ C1] ? simple_pin_fs+0x24/0x150 [ 66.757521][ C1] simple_pin_fs+0x24/0x150 [ 66.757526][ C1] debugfs_remove+0x35/0x70 [ 66.757529][ C1] ref_tracker_dir_exit+0xcf/0x740 [ 66.757538][ C1] ? __pfx_ref_tracker_free+0x10/0x10 [ 66.757542][ C1] ? __sk_destruct+0x383/0x780 [ 66.757554][ C1] ? rcu_do_batch+0x34f/0xf20 [ 66.757558][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 66.757561][ C1] ? smpboot_thread_fn+0x307/0x960 [ 66.757566][ C1] ? kthread+0x37b/0x600 [ 66.757574][ C1] ? ret_from_fork+0x240/0x320 [ 66.757577][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 66.757580][ C1] ? migrate_enable+0x1f2/0x270 [ 66.757586][ C1] ? __pfx_migrate_enable+0x10/0x10 [ 66.757592][ C1] __put_net+0x19/0x60 [ 66.757600][ C1] __sk_destruct+0x58a/0x780 [ 66.757604][ C1] ? rcu_do_batch+0x34a/0xf20 [ 66.757608][ C1] rcu_do_batch+0x34f/0xf20 [ 66.757613][ C1] ? __pfx_rcu_do_batch+0x10/0x10 [ 66.757617][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.757620][ C1] ? note_gp_changes+0x182/0x1e0 [ 66.757624][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 66.757631][ C1] rcu_core+0x2bb/0x500 [ 66.757635][ C1] handle_softirqs+0x21b/0x620 [ 66.757639][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 66.757644][ C1] run_ksoftirqd+0x3f/0x70 [ 66.757647][ C1] smpboot_thread_fn+0x307/0x960 [ 66.757650][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 66.757654][ C1] kthread+0x37b/0x600 [ 66.757657][ C1] ? __pfx_kthread+0x10/0x10 [ 66.757660][ C1] ? ret_from_fork+0x1b/0x320 [ 66.757663][ C1] ? __lock_release+0x5d/0x170 [ 66.757667][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.757671][ C1] ? __pfx_kthread+0x10/0x10 [ 66.757674][ C1] ret_from_fork+0x240/0x320 [ 66.757678][ C1] ? __pfx_kthread+0x10/0x10 [ 66.757681][ C1] ret_from_fork_asm+0x1a/0x30 [ 66.757687][ C1] [ 66.767499][ C1] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 66.767774][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 22, name: ksoftirqd/1 [ 66.768040][ C1] preempt_count: 100, expected: 0 [ 66.768284][ C1] RCU nest depth: 0, expected: 0 [ 66.768448][ C1] INFO: lockdep is turned off. [ 66.768604][ C1] Preemption disabled at: [ 66.768606][ C1] [] handle_softirqs+0xe5/0x620 [ 66.769012][ C1] CPU: 1 UID: 0 PID: 22 Comm: ksoftirqd/1 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 66.769016][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.769018][ C1] Call Trace: [ 66.769019][ C1] [ 66.769021][ C1] dump_stack_lvl+0xb0/0xd0 [ 66.769027][ C1] __might_resched+0x360/0x5a0 [ 66.769035][ C1] down_write+0x72/0x210 [ 66.769039][ C1] ? __pfx_down_write+0x10/0x10 [ 66.769042][ C1] ? simple_recursive_removal+0x33/0x610 [ 66.769046][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.769051][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 66.769055][ C1] simple_recursive_removal+0x6a/0x610 [ 66.769058][ C1] ? do_raw_spin_unlock+0x58/0x220 [ 66.769061][ C1] ? __pfx_remove_one+0x10/0x10 [ 66.769066][ C1] debugfs_remove+0x44/0x70 [ 66.769069][ C1] ref_tracker_dir_exit+0xcf/0x740 [ 66.769074][ C1] ? __pfx_ref_tracker_free+0x10/0x10 [ 66.769078][ C1] ? __sk_destruct+0x383/0x780 [ 66.769082][ C1] ? rcu_do_batch+0x34f/0xf20 [ 66.769086][ C1] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 66.769090][ C1] ? smpboot_thread_fn+0x307/0x960 [ 66.769093][ C1] ? kthread+0x37b/0x600 [ 66.769097][ C1] ? ret_from_fork+0x240/0x320 [ 66.769101][ C1] ? ret_from_fork_asm+0x1a/0x30 [ 66.769105][ C1] ? migrate_enable+0x1f2/0x270 [ 66.769110][ C1] ? __pfx_migrate_enable+0x10/0x10 [ 66.769115][ C1] __put_net+0x19/0x60 [ 66.769119][ C1] __sk_destruct+0x58a/0x780 [ 66.769123][ C1] ? rcu_do_batch+0x34a/0xf20 [ 66.769126][ C1] rcu_do_batch+0x34f/0xf20 [ 66.769131][ C1] ? __pfx_rcu_do_batch+0x10/0x10 [ 66.769135][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.769139][ C1] ? note_gp_changes+0x182/0x1e0 [ 66.769142][ C1] ? lockdep_hardirqs_on+0x7c/0x110 [ 66.769148][ C1] rcu_core+0x2bb/0x500 [ 66.769151][ C1] handle_softirqs+0x21b/0x620 [ 66.769156][ C1] ? __pfx_run_ksoftirqd+0x10/0x10 [ 66.769160][ C1] run_ksoftirqd+0x3f/0x70 [ 66.769164][ C1] smpboot_thread_fn+0x307/0x960 [ 66.769167][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 66.769170][ C1] kthread+0x37b/0x600 [ 66.769174][ C1] ? __pfx_kthread+0x10/0x10 [ 66.769176][ C1] ? ret_from_fork+0x1b/0x320 [ 66.769179][ C1] ? __lock_release+0x5d/0x170 [ 66.769184][ C1] ? rcu_is_watching+0x12/0xc0 [ 66.769188][ C1] ? __pfx_kthread+0x10/0x10 [ 66.769191][ C1] ret_from_fork+0x240/0x320 [ 66.769194][ C1] ? __pfx_kthread+0x10/0x10 [ 66.769197][ C1] ret_from_fork_asm+0x1a/0x30 [ 66.769204][ C1]