[ 13.128014][ C3] [ 13.128172][ C3] ================================ [ 13.128384][ C3] WARNING: inconsistent lock state [ 13.128603][ C3] 6.15.0-virtme #1 Not tainted [ 13.128825][ C3] -------------------------------- [ 13.129036][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 13.129296][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 13.129557][ C3] ffffffffb8fc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 13.129934][ C3] {SOFTIRQ-ON-W} state was registered at: [ 13.130148][ C3] __lock_acquire+0x20b/0x7e0 [ 13.130373][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.130586][ C3] _raw_spin_lock+0x33/0x40 [ 13.130805][ C3] simple_pin_fs+0x24/0x150 [ 13.131020][ C3] start_creating.part.0+0x52/0x310 [ 13.131240][ C3] debugfs_create_dir+0x6a/0x540 [ 13.131459][ C3] component_debug_init+0x17/0x30 [ 13.131676][ C3] do_one_initcall+0x8f/0x1e0 [ 13.131890][ C3] do_initcalls+0x176/0x280 [ 13.132110][ C3] kernel_init_freeable+0x22d/0x300 [ 13.132321][ C3] kernel_init+0x20/0x200 [ 13.132535][ C3] ret_from_fork+0x240/0x320 [ 13.132759][ C3] ret_from_fork_asm+0x1a/0x30 [ 13.132975][ C3] irq event stamp: 232352 [ 13.133139][ C3] hardirqs last enabled at (232352): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.133575][ C3] hardirqs last disabled at (232351): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 13.134014][ C3] softirqs last enabled at (231964): [] handle_softirqs+0x358/0x620 [ 13.134390][ C3] softirqs last disabled at (231971): [] __irq_exit_rcu+0xfa/0x160 [ 13.134771][ C3] [ 13.134771][ C3] other info that might help us debug this: [ 13.135094][ C3] Possible unsafe locking scenario: [ 13.135094][ C3] [ 13.135409][ C3] CPU0 [ 13.135567][ C3] ---- [ 13.135729][ C3] lock(pin_fs_lock); [ 13.135890][ C3] [ 13.136049][ C3] lock(pin_fs_lock); [ 13.136211][ C3] [ 13.136211][ C3] *** DEADLOCK *** [ 13.136211][ C3] [ 13.136530][ C3] 1 lock held by swapper/3/0: [ 13.136751][ C3] #0: ffffffffb8d774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 13.137143][ C3] [ 13.137143][ C3] stack backtrace: [ 13.137415][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.137420][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.137423][ C3] Call Trace: [ 13.137425][ C3] [ 13.137427][ C3] dump_stack_lvl+0x82/0xd0 [ 13.137434][ C3] print_usage_bug.part.0+0x25f/0x360 [ 13.137439][ C3] mark_lock_irq+0x343/0x400 [ 13.137444][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 13.137450][ C3] ? save_trace+0x52/0x170 [ 13.137455][ C3] mark_lock+0x174/0x2f0 [ 13.137459][ C3] mark_usage+0x46/0x150 [ 13.137462][ C3] __lock_acquire+0x20b/0x7e0 [ 13.137466][ C3] ? __lock_acquire+0x44d/0x7e0 [ 13.137470][ C3] lock_acquire.part.0+0xb6/0x240 [ 13.137473][ C3] ? simple_pin_fs+0x24/0x150 [ 13.137477][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.137483][ C3] ? lock_acquire+0x10c/0x170 [ 13.137486][ C3] ? simple_pin_fs+0x24/0x150 [ 13.137489][ C3] _raw_spin_lock+0x33/0x40 [ 13.137493][ C3] ? simple_pin_fs+0x24/0x150 [ 13.137495][ C3] simple_pin_fs+0x24/0x150 [ 13.137498][ C3] debugfs_remove+0x35/0x70 [ 13.137502][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.137508][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.137510][ C3] ? __sk_destruct+0x383/0x780 [ 13.137517][ C3] ? rcu_do_batch+0x34c/0xf20 [ 13.137520][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.137523][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.137526][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.137531][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.137535][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.137539][ C3] ? default_idle+0x9/0x10 [ 13.137541][ C3] ? default_idle_call+0x6d/0xb0 [ 13.137544][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.137549][ C3] ? do_idle+0xf6/0x160 [ 13.137552][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.137555][ C3] ? start_secondary+0x213/0x2a0 [ 13.137560][ C3] ? common_startup_64+0x13e/0x148 [ 13.137568][ C3] __put_net+0x19/0x60 [ 13.137574][ C3] __sk_destruct+0x58a/0x780 [ 13.137578][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.137581][ C3] rcu_do_batch+0x34c/0xf20 [ 13.137584][ C3] ? find_held_lock+0x2b/0x80 [ 13.137588][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.137592][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.137595][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.137599][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.137604][ C3] rcu_core+0x2bb/0x500 [ 13.137609][ C3] handle_softirqs+0x218/0x620 [ 13.137614][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.137618][ C3] irq_exit_rcu+0xe/0x30 [ 13.137621][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.137624][ C3] [ 13.137625][ C3] [ 13.137627][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.137630][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.137634][ C3] Code: a2 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 17 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 [ 13.137637][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 13.137640][ C3] RAX: 0000000000038a21 RBX: 1ffff9200002afc1 RCX: ffffffffb7da25d9 [ 13.137643][ C3] RDX: 0000000000000000 RSI: ffffffffb889175c RDI: ffffffffb8053ca0 [ 13.137645][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 13.137646][ C3] R10: ffff8880361b37d3 R11: ffffffffb8a11288 R12: 0000000000000000 [ 13.137648][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 13.137653][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.137658][ C3] default_idle+0x9/0x10 [ 13.137660][ C3] default_idle_call+0x6d/0xb0 [ 13.137663][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.137666][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.137670][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.137676][ C3] do_idle+0xf6/0x160 [ 13.137680][ C3] cpu_startup_entry+0x54/0x60 [ 13.137683][ C3] start_secondary+0x213/0x2a0 [ 13.137686][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.137691][ C3] common_startup_64+0x13e/0x148 [ 13.137698][ C3] [ 13.154934][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 13.155283][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3 [ 13.155630][ C3] preempt_count: 101, expected: 0 [ 13.155830][ C3] RCU nest depth: 0, expected: 0 [ 13.156039][ C3] INFO: lockdep is turned off. [ 13.156240][ C3] Preemption disabled at: [ 13.156241][ C3] [<0000000000000000>] 0x0 [ 13.156595][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 13.156599][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.156600][ C3] Call Trace: [ 13.156602][ C3] [ 13.156604][ C3] dump_stack_lvl+0xb0/0xd0 [ 13.156612][ C3] __might_resched+0x360/0x5a0 [ 13.156621][ C3] down_write+0x72/0x210 [ 13.156626][ C3] ? __pfx_down_write+0x10/0x10 [ 13.156629][ C3] ? simple_recursive_removal+0x33/0x610 [ 13.156634][ C3] ? rcu_is_watching+0x12/0xc0 [ 13.156640][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.156645][ C3] simple_recursive_removal+0x6a/0x610 [ 13.156648][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 13.156650][ C3] ? __pfx_remove_one+0x10/0x10 [ 13.156657][ C3] debugfs_remove+0x44/0x70 [ 13.156660][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 13.156667][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 13.156669][ C3] ? __sk_destruct+0x383/0x780 [ 13.156674][ C3] ? rcu_do_batch+0x34c/0xf20 [ 13.156679][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 13.156681][ C3] ? irq_exit_rcu+0xe/0x30 [ 13.156686][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.156692][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.156695][ C3] ? pv_native_safe_halt+0xf/0x20 [ 13.156699][ C3] ? default_idle+0x9/0x10 [ 13.156701][ C3] ? default_idle_call+0x6d/0xb0 [ 13.156704][ C3] ? cpuidle_idle_call+0x26f/0x3a0 [ 13.156709][ C3] ? do_idle+0xf6/0x160 [ 13.156712][ C3] ? cpu_startup_entry+0x54/0x60 [ 13.156715][ C3] ? start_secondary+0x213/0x2a0 [ 13.156719][ C3] ? common_startup_64+0x13e/0x148 [ 13.156726][ C3] __put_net+0x19/0x60 [ 13.156730][ C3] __sk_destruct+0x58a/0x780 [ 13.156734][ C3] ? rcu_do_batch+0x34a/0xf20 [ 13.156737][ C3] rcu_do_batch+0x34c/0xf20 [ 13.156741][ C3] ? find_held_lock+0x2b/0x80 [ 13.156745][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 13.156749][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 13.156754][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 13.156758][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 13.156763][ C3] rcu_core+0x2bb/0x500 [ 13.156767][ C3] handle_softirqs+0x218/0x620 [ 13.156773][ C3] __irq_exit_rcu+0xfa/0x160 [ 13.156776][ C3] irq_exit_rcu+0xe/0x30 [ 13.156779][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 13.156783][ C3] [ 13.156784][ C3] [ 13.156786][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 13.156788][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 13.156792][ C3] Code: a2 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 17 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 [ 13.156795][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 13.156798][ C3] RAX: 0000000000038a21 RBX: 1ffff9200002afc1 RCX: ffffffffb7da25d9 [ 13.156800][ C3] RDX: 0000000000000000 RSI: ffffffffb889175c RDI: ffffffffb8053ca0 [ 13.156802][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c366fa [ 13.156803][ C3] R10: ffff8880361b37d3 R11: ffffffffb8a11288 R12: 0000000000000000 [ 13.156805][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 13.156808][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 13.156813][ C3] default_idle+0x9/0x10 [ 13.156816][ C3] default_idle_call+0x6d/0xb0 [ 13.156818][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 13.156822][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 13.156826][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 13.156831][ C3] do_idle+0xf6/0x160 [ 13.156834][ C3] cpu_startup_entry+0x54/0x60 [ 13.156838][ C3] start_secondary+0x213/0x2a0 [ 13.156841][ C3] ? __pfx_start_secondary+0x10/0x10 [ 13.156845][ C3] common_startup_64+0x13e/0x148 [ 13.156853][ C3]