[ 14.031037][ C3] [ 14.031211][ C3] ================================ [ 14.031411][ C3] WARNING: inconsistent lock state [ 14.031608][ C3] 6.15.0-virtme #1 Not tainted [ 14.031806][ C3] -------------------------------- [ 14.032004][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 14.032258][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 14.032502][ C3] ffffffffb29c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 14.032851][ C3] {SOFTIRQ-ON-W} state was registered at: [ 14.033049][ C3] __lock_acquire+0x20b/0x7e0 [ 14.033259][ C3] lock_acquire.part.0+0xb6/0x240 [ 14.033458][ C3] _raw_spin_lock+0x33/0x40 [ 14.033660][ C3] simple_pin_fs+0x24/0x150 [ 14.033854][ C3] start_creating.part.0+0x52/0x310 [ 14.034055][ C3] debugfs_create_dir+0x6a/0x540 [ 14.034290][ C3] component_debug_init+0x17/0x30 [ 14.034531][ C3] do_one_initcall+0x8f/0x1e0 [ 14.034786][ C3] do_initcalls+0x176/0x280 [ 14.035048][ C3] kernel_init_freeable+0x22d/0x300 [ 14.035319][ C3] kernel_init+0x20/0x200 [ 14.035560][ C3] ret_from_fork+0x240/0x320 [ 14.035823][ C3] ret_from_fork_asm+0x1a/0x30 [ 14.036073][ C3] irq event stamp: 228752 [ 14.036293][ C3] hardirqs last enabled at (228752): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 14.036745][ C3] hardirqs last disabled at (228751): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 14.037210][ C3] softirqs last enabled at (227488): [] handle_softirqs+0x358/0x620 [ 14.037589][ C3] softirqs last disabled at (227519): [] __irq_exit_rcu+0xfa/0x160 [ 14.038023][ C3] [ 14.038023][ C3] other info that might help us debug this: [ 14.038399][ C3] Possible unsafe locking scenario: [ 14.038399][ C3] [ 14.038778][ C3] CPU0 [ 14.038982][ C3] ---- [ 14.039148][ C3] lock(pin_fs_lock); [ 14.039315][ C3] [ 14.039468][ C3] lock(pin_fs_lock); [ 14.039626][ C3] [ 14.039626][ C3] *** DEADLOCK *** [ 14.039626][ C3] [ 14.039927][ C3] 1 lock held by swapper/3/0: [ 14.040141][ C3] #0: ffffffffb27774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 14.040512][ C3] [ 14.040512][ C3] stack backtrace: [ 14.040768][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 14.040773][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.040775][ C3] Call Trace: [ 14.040777][ C3] [ 14.040780][ C3] dump_stack_lvl+0x82/0xd0 [ 14.040787][ C3] print_usage_bug.part.0+0x25f/0x360 [ 14.040794][ C3] mark_lock_irq+0x343/0x400 [ 14.040799][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 14.040806][ C3] ? save_trace+0x52/0x170 [ 14.040810][ C3] mark_lock+0x174/0x2f0 [ 14.040814][ C3] mark_usage+0x46/0x150 [ 14.040818][ C3] __lock_acquire+0x20b/0x7e0 [ 14.040821][ C3] ? __lock_acquire+0x44d/0x7e0 [ 14.040826][ C3] lock_acquire.part.0+0xb6/0x240 [ 14.040829][ C3] ? simple_pin_fs+0x24/0x150 [ 14.040834][ C3] ? rcu_is_watching+0x12/0xc0 [ 14.040841][ C3] ? lock_acquire+0x10c/0x170 [ 14.040844][ C3] ? simple_pin_fs+0x24/0x150 [ 14.040847][ C3] _raw_spin_lock+0x33/0x40 [ 14.040851][ C3] ? simple_pin_fs+0x24/0x150 [ 14.040853][ C3] simple_pin_fs+0x24/0x150 [ 14.040856][ C3] debugfs_remove+0x35/0x70 [ 14.040861][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 14.040868][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 14.040870][ C3] ? __sk_destruct+0x383/0x780 [ 14.040877][ C3] ? rcu_do_batch+0x34c/0xf20 [ 14.040880][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 14.040883][ C3] ? irq_exit_rcu+0xe/0x30 [ 14.040887][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 14.040892][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.040897][ C3] ? pv_native_safe_halt+0xf/0x20 [ 14.040900][ C3] ? default_idle+0x9/0x10 [ 14.040902][ C3] ? default_idle_call+0x6d/0xb0 [ 14.040905][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 14.040910][ C3] ? do_idle+0xf6/0x160 [ 14.040913][ C3] ? cpu_startup_entry+0x54/0x60 [ 14.040916][ C3] ? start_secondary+0x213/0x2a0 [ 14.040921][ C3] ? common_startup_64+0x13e/0x148 [ 14.040930][ C3] __put_net+0x19/0x60 [ 14.040935][ C3] __sk_destruct+0x58a/0x780 [ 14.040939][ C3] ? rcu_do_batch+0x34a/0xf20 [ 14.040942][ C3] rcu_do_batch+0x34c/0xf20 [ 14.040946][ C3] ? find_held_lock+0x2b/0x80 [ 14.040949][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 14.040953][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 14.040957][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 14.040961][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 14.040966][ C3] rcu_core+0x2bb/0x500 [ 14.040971][ C3] handle_softirqs+0x218/0x620 [ 14.040977][ C3] __irq_exit_rcu+0xfa/0x160 [ 14.040980][ C3] irq_exit_rcu+0xe/0x30 [ 14.040983][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 14.040987][ C3] [ 14.040988][ C3] [ 14.040989][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.040992][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 14.040996][ C3] Code: 92 b4 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 83 07 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 14.040999][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 14.041002][ C3] RAX: 00000000000378bd RBX: 1ffff9200002afc1 RCX: ffffffffb17a35d9 [ 14.041004][ C3] RDX: 0000000000000000 RSI: ffffffffb229175c RDI: ffffffffb1a53ca0 [ 14.041006][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 14.041008][ C3] R10: ffff8880361b37d3 R11: ffffffffb2411288 R12: 0000000000000000 [ 14.041009][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 14.041013][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 14.041018][ C3] default_idle+0x9/0x10 [ 14.041020][ C3] default_idle_call+0x6d/0xb0 [ 14.041023][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 14.041026][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 14.041030][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 14.041036][ C3] do_idle+0xf6/0x160 [ 14.041039][ C3] cpu_startup_entry+0x54/0x60 [ 14.041043][ C3] start_secondary+0x213/0x2a0 [ 14.041046][ C3] ? __pfx_start_secondary+0x10/0x10 [ 14.041051][ C3] common_startup_64+0x13e/0x148 [ 14.041059][ C3] [ 14.062144][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 14.062681][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 14.063418][ C3] preempt_count: 101, expected: 0 [ 14.063780][ C3] RCU nest depth: 0, expected: 0 [ 14.064087][ C3] INFO: lockdep is turned off. [ 14.064394][ C3] Preemption disabled at: [ 14.064397][ C3] [<0000000000000000>] 0x0 [ 14.064942][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 14.064950][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.064953][ C3] Call Trace: [ 14.064956][ C3] [ 14.064959][ C3] dump_stack_lvl+0xb0/0xd0 [ 14.064970][ C3] __might_resched+0x360/0x5a0 [ 14.064984][ C3] down_write+0x72/0x210 [ 14.064991][ C3] ? __pfx_down_write+0x10/0x10 [ 14.064996][ C3] ? simple_recursive_removal+0x33/0x610 [ 14.065002][ C3] ? rcu_is_watching+0x12/0xc0 [ 14.065010][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 14.065018][ C3] simple_recursive_removal+0x6a/0x610 [ 14.065022][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 14.065026][ C3] ? __pfx_remove_one+0x10/0x10 [ 14.065034][ C3] debugfs_remove+0x44/0x70 [ 14.065040][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 14.065047][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 14.065052][ C3] ? __sk_destruct+0x383/0x780 [ 14.065060][ C3] ? rcu_do_batch+0x34c/0xf20 [ 14.065066][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 14.065070][ C3] ? irq_exit_rcu+0xe/0x30 [ 14.065077][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 14.065083][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.065089][ C3] ? pv_native_safe_halt+0xf/0x20 [ 14.065094][ C3] ? default_idle+0x9/0x10 [ 14.065099][ C3] ? default_idle_call+0x6d/0xb0 [ 14.065103][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 14.065109][ C3] ? do_idle+0xf6/0x160 [ 14.065113][ C3] ? cpu_startup_entry+0x54/0x60 [ 14.065118][ C3] ? start_secondary+0x213/0x2a0 [ 14.065124][ C3] ? common_startup_64+0x13e/0x148 [ 14.065135][ C3] __put_net+0x19/0x60 [ 14.065140][ C3] __sk_destruct+0x58a/0x780 [ 14.065146][ C3] ? rcu_do_batch+0x34a/0xf20 [ 14.065151][ C3] rcu_do_batch+0x34c/0xf20 [ 14.065157][ C3] ? find_held_lock+0x2b/0x80 [ 14.065162][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 14.065169][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 14.065176][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 14.065181][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 14.065190][ C3] rcu_core+0x2bb/0x500 [ 14.065197][ C3] handle_softirqs+0x218/0x620 [ 14.065207][ C3] __irq_exit_rcu+0xfa/0x160 [ 14.065213][ C3] irq_exit_rcu+0xe/0x30 [ 14.065219][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 14.065225][ C3] [ 14.065227][ C3] [ 14.065229][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 14.065234][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 14.065241][ C3] Code: 92 b4 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 83 07 0f 00 fb f4 fc 54 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 14.065245][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 14.065251][ C3] RAX: 00000000000378bd RBX: 1ffff9200002afc1 RCX: ffffffffb17a35d9 [ 14.065254][ C3] RDX: 0000000000000000 RSI: ffffffffb229175c RDI: ffffffffb1a53ca0 [ 14.065257][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 14.065260][ C3] R10: ffff8880361b37d3 R11: ffffffffb2411288 R12: 0000000000000000 [ 14.065264][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 14.065271][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 14.065280][ C3] default_idle+0x9/0x10 [ 14.065285][ C3] default_idle_call+0x6d/0xb0 [ 14.065289][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 14.065295][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 14.065302][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 14.065309][ C3] do_idle+0xf6/0x160 [ 14.065315][ C3] cpu_startup_entry+0x54/0x60 [ 14.065321][ C3] start_secondary+0x213/0x2a0 [ 14.065327][ C3] ? __pfx_start_secondary+0x10/0x10 [ 14.065336][ C3] common_startup_64+0x13e/0x148 [ 14.065350][ C3]