[ 12.967554][ C0] [ 12.967683][ C0] ================================ [ 12.967871][ C0] WARNING: inconsistent lock state [ 12.968042][ C0] 6.15.0-virtme #1 Not tainted [ 12.968214][ C0] -------------------------------- [ 12.968387][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.968601][ C0] ksoftirqd/0/14 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.968828][ C0] ffffffffab9c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.969145][ C0] {SOFTIRQ-ON-W} state was registered at: [ 12.969318][ C0] __lock_acquire+0x20b/0x7e0 [ 12.969506][ C0] lock_acquire.part.0+0xb6/0x240 [ 12.969682][ C0] _raw_spin_lock+0x33/0x40 [ 12.969858][ C0] simple_pin_fs+0x24/0x150 [ 12.970030][ C0] start_creating.part.0+0x52/0x310 [ 12.970205][ C0] debugfs_create_dir+0x6a/0x540 [ 12.970379][ C0] component_debug_init+0x17/0x30 [ 12.970556][ C0] do_one_initcall+0x8f/0x1e0 [ 12.970731][ C0] do_initcalls+0x176/0x280 [ 12.970908][ C0] kernel_init_freeable+0x22d/0x300 [ 12.971084][ C0] kernel_init+0x20/0x200 [ 12.971258][ C0] ret_from_fork+0x240/0x320 [ 12.971435][ C0] ret_from_fork_asm+0x1a/0x30 [ 12.971609][ C0] irq event stamp: 211356 [ 12.971741][ C0] hardirqs last enabled at (211356): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.972097][ C0] hardirqs last disabled at (211355): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.972445][ C0] softirqs last enabled at (210934): [] handle_softirqs+0x358/0x620 [ 12.972754][ C0] softirqs last disabled at (210941): [] run_ksoftirqd+0x3f/0x70 [ 12.973063][ C0] [ 12.973063][ C0] other info that might help us debug this: [ 12.973319][ C0] Possible unsafe locking scenario: [ 12.973319][ C0] [ 12.973571][ C0] CPU0 [ 12.973709][ C0] ---- [ 12.973838][ C0] lock(pin_fs_lock); [ 12.973976][ C0] [ 12.974106][ C0] lock(pin_fs_lock); [ 12.974240][ C0] [ 12.974240][ C0] *** DEADLOCK *** [ 12.974240][ C0] [ 12.974505][ C0] 1 lock held by ksoftirqd/0/14: [ 12.974679][ C0] #0: ffffffffab7774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.974991][ C0] [ 12.974991][ C0] stack backtrace: [ 12.975211][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.975216][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.975218][ C0] Call Trace: [ 12.975220][ C0] [ 12.975222][ C0] dump_stack_lvl+0x82/0xd0 [ 12.975227][ C0] print_usage_bug.part.0+0x25f/0x360 [ 12.975232][ C0] mark_lock_irq+0x343/0x400 [ 12.975237][ C0] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.975242][ C0] ? save_trace+0x52/0x170 [ 12.975246][ C0] mark_lock+0x174/0x2f0 [ 12.975250][ C0] mark_usage+0x46/0x150 [ 12.975253][ C0] __lock_acquire+0x20b/0x7e0 [ 12.975257][ C0] ? __lock_acquire+0x44d/0x7e0 [ 12.975261][ C0] lock_acquire.part.0+0xb6/0x240 [ 12.975264][ C0] ? simple_pin_fs+0x24/0x150 [ 12.975268][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.975273][ C0] ? lock_acquire+0x10c/0x170 [ 12.975275][ C0] ? simple_pin_fs+0x24/0x150 [ 12.975279][ C0] _raw_spin_lock+0x33/0x40 [ 12.975282][ C0] ? simple_pin_fs+0x24/0x150 [ 12.975285][ C0] simple_pin_fs+0x24/0x150 [ 12.975288][ C0] debugfs_remove+0x35/0x70 [ 12.975291][ C0] ref_tracker_dir_exit+0xcf/0x740 [ 12.975296][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.975299][ C0] ? __sk_destruct+0x383/0x780 [ 12.975304][ C0] ? rcu_do_batch+0x34c/0xf20 [ 12.975307][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.975310][ C0] ? smpboot_thread_fn+0x30a/0x960 [ 12.975313][ C0] ? kthread+0x37e/0x600 [ 12.975317][ C0] ? ret_from_fork+0x240/0x320 [ 12.975320][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 12.975323][ C0] ? migrate_enable+0x1f2/0x270 [ 12.975327][ C0] ? __pfx_migrate_enable+0x10/0x10 [ 12.975333][ C0] __put_net+0x19/0x60 [ 12.975337][ C0] __sk_destruct+0x58a/0x780 [ 12.975341][ C0] ? rcu_do_batch+0x34a/0xf20 [ 12.975344][ C0] rcu_do_batch+0x34c/0xf20 [ 12.975347][ C0] ? __schedule+0x87b/0x1b00 [ 12.975353][ C0] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.975357][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.975360][ C0] ? note_gp_changes+0x182/0x1e0 [ 12.975363][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.975368][ C0] rcu_core+0x2bb/0x500 [ 12.975373][ C0] handle_softirqs+0x218/0x620 [ 12.975377][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 12.975381][ C0] run_ksoftirqd+0x3f/0x70 [ 12.975384][ C0] smpboot_thread_fn+0x30a/0x960 [ 12.975387][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 12.975390][ C0] kthread+0x37e/0x600 [ 12.975394][ C0] ? __pfx_kthread+0x10/0x10 [ 12.975396][ C0] ? ret_from_fork+0x1b/0x320 [ 12.975399][ C0] ? __lock_release+0x5d/0x170 [ 12.975403][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.975406][ C0] ? __pfx_kthread+0x10/0x10 [ 12.975409][ C0] ret_from_fork+0x240/0x320 [ 12.975413][ C0] ? __pfx_kthread+0x10/0x10 [ 12.975415][ C0] ret_from_fork_asm+0x1a/0x30 [ 12.975422][ C0] [ 12.985269][ C0] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.985549][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14, name: ksoftirqd/0 [ 12.985837][ C0] preempt_count: 100, expected: 0 [ 12.985994][ C0] RCU nest depth: 0, expected: 0 [ 12.986152][ C0] INFO: lockdep is turned off. [ 12.986319][ C0] Preemption disabled at: [ 12.986321][ C0] [] handle_softirqs+0xe5/0x620 [ 12.986642][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.986646][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.986648][ C0] Call Trace: [ 12.986649][ C0] [ 12.986651][ C0] dump_stack_lvl+0xb0/0xd0 [ 12.986657][ C0] __might_resched+0x360/0x5a0 [ 12.986664][ C0] down_write+0x72/0x210 [ 12.986668][ C0] ? __pfx_down_write+0x10/0x10 [ 12.986670][ C0] ? simple_recursive_removal+0x33/0x610 [ 12.986675][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.986680][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 12.986684][ C0] simple_recursive_removal+0x6a/0x610 [ 12.986687][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 12.986690][ C0] ? __pfx_remove_one+0x10/0x10 [ 12.986695][ C0] debugfs_remove+0x44/0x70 [ 12.986698][ C0] ref_tracker_dir_exit+0xcf/0x740 [ 12.986702][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.986705][ C0] ? __sk_destruct+0x383/0x780 [ 12.986710][ C0] ? rcu_do_batch+0x34c/0xf20 [ 12.986714][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.986716][ C0] ? smpboot_thread_fn+0x30a/0x960 [ 12.986719][ C0] ? kthread+0x37e/0x600 [ 12.986722][ C0] ? ret_from_fork+0x240/0x320 [ 12.986725][ C0] ? ret_from_fork_asm+0x1a/0x30 [ 12.986729][ C0] ? migrate_enable+0x1f2/0x270 [ 12.986733][ C0] ? __pfx_migrate_enable+0x10/0x10 [ 12.986738][ C0] __put_net+0x19/0x60 [ 12.986742][ C0] __sk_destruct+0x58a/0x780 [ 12.986746][ C0] ? rcu_do_batch+0x34a/0xf20 [ 12.986749][ C0] rcu_do_batch+0x34c/0xf20 [ 12.986752][ C0] ? __schedule+0x87b/0x1b00 [ 12.986758][ C0] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.986761][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.986765][ C0] ? note_gp_changes+0x182/0x1e0 [ 12.986768][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.986773][ C0] rcu_core+0x2bb/0x500 [ 12.986777][ C0] handle_softirqs+0x218/0x620 [ 12.986782][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 12.986786][ C0] run_ksoftirqd+0x3f/0x70 [ 12.986789][ C0] smpboot_thread_fn+0x30a/0x960 [ 12.986791][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 12.986795][ C0] kthread+0x37e/0x600 [ 12.986798][ C0] ? __pfx_kthread+0x10/0x10 [ 12.986800][ C0] ? ret_from_fork+0x1b/0x320 [ 12.986803][ C0] ? __lock_release+0x5d/0x170 [ 12.986807][ C0] ? rcu_is_watching+0x12/0xc0 [ 12.986810][ C0] ? __pfx_kthread+0x10/0x10 [ 12.986814][ C0] ret_from_fork+0x240/0x320 [ 12.986817][ C0] ? __pfx_kthread+0x10/0x10 [ 12.986819][ C0] ret_from_fork_asm+0x1a/0x30 [ 12.986826][ C0] [ 14.435508][ C3] TCP: request_sock_TCP: Possible SYN flooding on port 10.0.254.1:7010. 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