[ 20.264210][ C3] [ 20.264476][ C3] ================================ [ 20.264874][ C3] WARNING: inconsistent lock state [ 20.265266][ C3] 6.15.0-virtme #1 Not tainted [ 20.265656][ C3] -------------------------------- [ 20.266039][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 20.266531][ C3] ksft_runner.sh/260 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 20.267005][ C3] ffffffffa27c5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 20.267698][ C3] {SOFTIRQ-ON-W} state was registered at: [ 20.268078][ C3] __lock_acquire+0x20b/0x7e0 [ 20.268481][ C3] lock_acquire.part.0+0xb6/0x240 [ 20.268873][ C3] _raw_spin_lock+0x33/0x40 [ 20.269256][ C3] simple_pin_fs+0x24/0x150 [ 20.269645][ C3] start_creating.part.0+0x52/0x310 [ 20.270033][ C3] debugfs_create_dir+0x6a/0x540 [ 20.270424][ C3] component_debug_init+0x17/0x30 [ 20.270813][ C3] do_one_initcall+0x8f/0x1e0 [ 20.271205][ C3] do_initcalls+0x176/0x280 [ 20.271596][ C3] kernel_init_freeable+0x22d/0x300 [ 20.271982][ C3] kernel_init+0x20/0x200 [ 20.272369][ C3] ret_from_fork+0x240/0x320 [ 20.272754][ C3] ret_from_fork_asm+0x1a/0x30 [ 20.273137][ C3] irq event stamp: 2954 [ 20.273432][ C3] hardirqs last enabled at (2954): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 20.274189][ C3] hardirqs last disabled at (2953): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 20.274880][ C3] softirqs last enabled at (2496): [] handle_softirqs+0x358/0x620 [ 20.275563][ C3] softirqs last disabled at (2805): [] __irq_exit_rcu+0xfa/0x160 [ 20.276250][ C3] [ 20.276250][ C3] other info that might help us debug this: [ 20.276822][ C3] Possible unsafe locking scenario: [ 20.276822][ C3] [ 20.277388][ C3] CPU0 [ 20.277678][ C3] ---- [ 20.277969][ C3] lock(pin_fs_lock); [ 20.278269][ C3] [ 20.278558][ C3] lock(pin_fs_lock); [ 20.278852][ C3] [ 20.278852][ C3] *** DEADLOCK *** [ 20.278852][ C3] [ 20.279405][ C3] 4 locks held by ksft_runner.sh/260: [ 20.279787][ C3] #0: ffff888008d9c8f8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0x4f/0x490 [ 20.280480][ C3] #1: ffff888008d9c990 (&sig->exec_update_lock){++++}-{4:4}, at: exec_mmap+0x8c/0x840 [ 20.281162][ C3] #2: ffff8880094336a0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x190/0x800 [ 20.281857][ C3] #3: ffffffffa25774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 20.282542][ C3] [ 20.282542][ C3] stack backtrace: [ 20.283025][ C3] CPU: 3 UID: 0 PID: 260 Comm: ksft_runner.sh Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 20.283034][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.283037][ C3] Call Trace: [ 20.283041][ C3] [ 20.283044][ C3] dump_stack_lvl+0x82/0xd0 [ 20.283056][ C3] print_usage_bug.part.0+0x25f/0x360 [ 20.283066][ C3] mark_lock_irq+0x343/0x400 [ 20.283075][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 20.283083][ C3] ? save_trace+0x52/0x170 [ 20.283094][ C3] mark_lock+0x174/0x2f0 [ 20.283101][ C3] mark_usage+0x46/0x150 [ 20.283106][ C3] __lock_acquire+0x20b/0x7e0 [ 20.283112][ C3] ? __lock_acquire+0x44d/0x7e0 [ 20.283119][ C3] lock_acquire.part.0+0xb6/0x240 [ 20.283125][ C3] ? simple_pin_fs+0x24/0x150 [ 20.283134][ C3] ? rcu_is_watching+0x12/0xc0 [ 20.283141][ C3] ? lock_acquire+0x10c/0x170 [ 20.283146][ C3] ? simple_pin_fs+0x24/0x150 [ 20.283154][ C3] _raw_spin_lock+0x33/0x40 [ 20.283161][ C3] ? simple_pin_fs+0x24/0x150 [ 20.283166][ C3] simple_pin_fs+0x24/0x150 [ 20.283173][ C3] debugfs_remove+0x35/0x70 [ 20.283181][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 20.283191][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 20.283197][ C3] ? __sk_destruct+0x383/0x780 [ 20.283206][ C3] ? rcu_do_batch+0x34c/0xf20 [ 20.283211][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 20.283217][ C3] ? irq_exit_rcu+0xe/0x30 [ 20.283223][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 20.283231][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 20.283238][ C3] ? lock_release+0x91/0xc0 [ 20.283243][ C3] ? unwind_next_frame+0x4f3/0x1e10 [ 20.283247][ C3] ? arch_stack_walk+0x8b/0xf0 [ 20.283255][ C3] ? stack_trace_save+0x93/0xd0 [ 20.283261][ C3] ? kasan_save_stack+0x24/0x50 [ 20.283268][ C3] ? kasan_record_aux_stack+0x8c/0xa0 [ 20.283275][ C3] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 20.283280][ C3] ? exit_mmap+0x3cd/0x800 [ 20.283293][ C3] __put_net+0x19/0x60 [ 20.283299][ C3] __sk_destruct+0x58a/0x780 [ 20.283306][ C3] ? rcu_do_batch+0x34a/0xf20 [ 20.283311][ C3] rcu_do_batch+0x34c/0xf20 [ 20.283317][ C3] ? find_held_lock+0x2b/0x80 [ 20.283324][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 20.283331][ C3] ? mark_held_locks+0x49/0x80 [ 20.283336][ C3] ? note_gp_changes+0x182/0x1e0 [ 20.283341][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 20.283349][ C3] rcu_core+0x2bb/0x500 [ 20.283355][ C3] handle_softirqs+0x218/0x620 [ 20.283365][ C3] __irq_exit_rcu+0xfa/0x160 [ 20.283370][ C3] irq_exit_rcu+0xe/0x30 [ 20.283375][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 20.283382][ C3] [ 20.283384][ C3] [ 20.283386][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 20.283391][ C3] RIP: 0010:lock_release+0x91/0xc0 [ 20.283397][ C3] Code: c7 0a 89 07 a2 e8 bf d9 7a 02 b8 ff ff ff ff 65 0f c1 05 42 8e 14 05 83 f8 01 75 16 9c 58 f6 c4 02 75 2c 80 e7 02 74 01 fb 5b <5d> 41 5c e9 97 15 7d 02 90 0f 0b 90 48 c7 c7 e4 f4 08 a2 e8 87 d9 [ 20.283402][ C3] RSP: 0018:ffffc90000b174c0 EFLAGS: 00000202 [ 20.283409][ C3] RAX: 0000000000000046 RBX: 1ffff92000162ea4 RCX: ffffc90000b17484 [ 20.283412][ C3] RDX: 0000000000000003 RSI: ffffffffa207890a RDI: ffffffffa1853be0 [ 20.283416][ C3] RBP: ffffffffa25775e0 R08: 0000000000000000 R09: ffffc90000b17619 [ 20.283419][ C3] R10: 0000000000000000 R11: ffffc90000b17618 R12: ffffffff9ec12a2e [ 20.283422][ C3] R13: ffffc90000b175d8 R14: ffffc90000b10000 R15: ffffc90000b17e80 [ 20.283427][ C3] ? unwind_next_frame+0x4ee/0x1e10 [ 20.283440][ C3] unwind_next_frame+0x4f3/0x1e10 [ 20.283445][ C3] ? exec_binprm+0x255/0x640 [ 20.283455][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 20.283462][ C3] ? exec_binprm+0x255/0x640 [ 20.283467][ C3] ? kernel_text_address+0x17/0xe0 [ 20.283474][ C3] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 20.283481][ C3] arch_stack_walk+0x8b/0xf0 [ 20.283491][ C3] ? bprm_execve+0x1af/0x490 [ 20.283499][ C3] stack_trace_save+0x93/0xd0 [ 20.283504][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 20.283510][ C3] ? rcu_read_lock_any_held+0x43/0xb0 [ 20.283517][ C3] ? validate_chain+0x166/0x4d0 [ 20.283524][ C3] kasan_save_stack+0x24/0x50 [ 20.283530][ C3] ? kasan_save_stack+0x24/0x50 [ 20.283534][ C3] ? kasan_record_aux_stack+0x8c/0xa0 [ 20.283539][ C3] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 20.283544][ C3] ? exit_mmap+0x3cd/0x800 [ 20.283549][ C3] ? mmput+0xb8/0x3f0 [ 20.283555][ C3] ? exec_mmap+0x416/0x840 [ 20.283560][ C3] ? begin_new_exec+0x3ae/0x15f0 [ 20.283565][ C3] ? load_elf_binary+0x634/0x2960 [ 20.283573][ C3] ? exec_binprm+0x255/0x640 [ 20.283581][ C3] ? find_held_lock+0x2b/0x80 [ 20.283590][ C3] ? __lock_acquire+0x44d/0x7e0 [ 20.283600][ C3] ? find_held_lock+0x2b/0x80 [ 20.283606][ C3] ? __virt_addr_valid+0x22e/0x450 [ 20.283613][ C3] ? __lock_release+0x5d/0x170 [ 20.283620][ C3] ? __virt_addr_valid+0x22e/0x450 [ 20.283626][ C3] ? __virt_addr_valid+0x23d/0x450 [ 20.283634][ C3] kasan_record_aux_stack+0x8c/0xa0 [ 20.283639][ C3] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 20.283648][ C3] __call_rcu_common.constprop.0+0xa1/0x610 [ 20.283655][ C3] exit_mmap+0x3cd/0x800 [ 20.283663][ C3] ? __pfx_exit_mmap+0x10/0x10 [ 20.283675][ C3] ? __mutex_unlock_slowpath+0x144/0x400 [ 20.283692][ C3] mmput+0xb8/0x3f0 [ 20.283698][ C3] exec_mmap+0x416/0x840 [ 20.283706][ C3] ? rcu_is_watching+0x12/0xc0 [ 20.283712][ C3] begin_new_exec+0x3ae/0x15f0 [ 20.283723][ C3] load_elf_binary+0x634/0x2960 [ 20.283733][ C3] ? __lock_acquire+0x44d/0x7e0 [ 20.283742][ C3] ? find_held_lock+0x2b/0x80 [ 20.283748][ C3] ? __pfx_load_elf_binary+0x10/0x10 [ 20.283752][ C3] ? exec_binprm+0x237/0x640 [ 20.283762][ C3] exec_binprm+0x255/0x640 [ 20.283771][ C3] ? __pfx_exec_binprm+0x10/0x10 [ 20.283777][ C3] ? bprm_execve+0x93/0x490 [ 20.283787][ C3] bprm_execve+0x1af/0x490 [ 20.283793][ C3] do_execveat_common.isra.0+0x3f5/0x550 [ 20.283803][ C3] __x64_sys_execve+0x8e/0xb0 [ 20.283811][ C3] do_syscall_64+0xc1/0x380 [ 20.283818][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 20.283823][ C3] RIP: 0033:0x7f656c62b40b [ 20.283837][ C3] Code: Unable to access opcode bytes at 0x7f656c62b3e1. [ 20.283840][ C3] RSP: 002b:00007ffc525eafd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 20.283845][ C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f656c62b40b [ 20.283849][ C3] RDX: 0000563b04a8f5c0 RSI: 0000563b04a82d00 RDI: 0000563b04a96960 [ 20.283853][ C3] RBP: 0000563b04a96960 R08: 0000563b04a8ee70 R09: 0000000000000020 [ 20.283856][ C3] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff [ 20.283859][ C3] R13: 0000563b04a82d00 R14: 0000563b04a8f5c0 R15: 0000563b04a7e620 [ 20.283870][ C3] [ 20.337627][ C3] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 20.338264][ C3] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 260, name: ksft_runner.sh [ 20.339145][ C3] preempt_count: 100, expected: 0 [ 20.339505][ C3] RCU nest depth: 1, expected: 0 [ 20.339873][ C3] INFO: lockdep is turned off. [ 20.340500][ C3] Preemption disabled at: [ 20.340503][ C3] [] handle_softirqs+0xe5/0x620 [ 20.341238][ C3] CPU: 3 UID: 0 PID: 260 Comm: ksft_runner.sh Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 20.341247][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.341251][ C3] Call Trace: [ 20.341254][ C3] [ 20.341257][ C3] dump_stack_lvl+0xb0/0xd0 [ 20.341270][ C3] __might_resched+0x360/0x5a0 [ 20.341282][ C3] down_write+0x72/0x210 [ 20.341290][ C3] ? __pfx_down_write+0x10/0x10 [ 20.341295][ C3] ? simple_recursive_removal+0x33/0x610 [ 20.341302][ C3] ? rcu_is_watching+0x12/0xc0 [ 20.341311][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 20.341321][ C3] simple_recursive_removal+0x6a/0x610 [ 20.341326][ C3] ? do_raw_spin_unlock+0x58/0x220 [ 20.341331][ C3] ? __pfx_remove_one+0x10/0x10 [ 20.341342][ C3] debugfs_remove+0x44/0x70 [ 20.341347][ C3] ref_tracker_dir_exit+0xcf/0x740 [ 20.341358][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 20.341363][ C3] ? __sk_destruct+0x383/0x780 [ 20.341372][ C3] ? rcu_do_batch+0x34c/0xf20 [ 20.341379][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 20.341384][ C3] ? irq_exit_rcu+0xe/0x30 [ 20.341390][ C3] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 20.341399][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 20.341406][ C3] ? lock_release+0x91/0xc0 [ 20.341411][ C3] ? unwind_next_frame+0x4f3/0x1e10 [ 20.341417][ C3] ? arch_stack_walk+0x8b/0xf0 [ 20.341425][ C3] ? stack_trace_save+0x93/0xd0 [ 20.341430][ C3] ? kasan_save_stack+0x24/0x50 [ 20.341438][ C3] ? kasan_record_aux_stack+0x8c/0xa0 [ 20.341445][ C3] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 20.341451][ C3] ? exit_mmap+0x3cd/0x800 [ 20.341465][ C3] __put_net+0x19/0x60 [ 20.341472][ C3] __sk_destruct+0x58a/0x780 [ 20.341479][ C3] ? rcu_do_batch+0x34a/0xf20 [ 20.341483][ C3] rcu_do_batch+0x34c/0xf20 [ 20.341489][ C3] ? find_held_lock+0x2b/0x80 [ 20.341500][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 20.341506][ C3] ? mark_held_locks+0x49/0x80 [ 20.341511][ C3] ? note_gp_changes+0x182/0x1e0 [ 20.341516][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 20.341523][ C3] rcu_core+0x2bb/0x500 [ 20.341530][ C3] handle_softirqs+0x218/0x620 [ 20.341541][ C3] __irq_exit_rcu+0xfa/0x160 [ 20.341546][ C3] irq_exit_rcu+0xe/0x30 [ 20.341551][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 20.341557][ C3] [ 20.341559][ C3] [ 20.341562][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 20.341567][ C3] RIP: 0010:lock_release+0x91/0xc0 [ 20.341573][ C3] Code: c7 0a 89 07 a2 e8 bf d9 7a 02 b8 ff ff ff ff 65 0f c1 05 42 8e 14 05 83 f8 01 75 16 9c 58 f6 c4 02 75 2c 80 e7 02 74 01 fb 5b <5d> 41 5c e9 97 15 7d 02 90 0f 0b 90 48 c7 c7 e4 f4 08 a2 e8 87 d9 [ 20.341578][ C3] RSP: 0018:ffffc90000b174c0 EFLAGS: 00000202 [ 20.341585][ C3] RAX: 0000000000000046 RBX: 1ffff92000162ea4 RCX: ffffc90000b17484 [ 20.341589][ C3] RDX: 0000000000000003 RSI: ffffffffa207890a RDI: ffffffffa1853be0 [ 20.341592][ C3] RBP: ffffffffa25775e0 R08: 0000000000000000 R09: ffffc90000b17619 [ 20.341596][ C3] R10: 0000000000000000 R11: ffffc90000b17618 R12: ffffffff9ec12a2e [ 20.341599][ C3] R13: ffffc90000b175d8 R14: ffffc90000b10000 R15: ffffc90000b17e80 [ 20.341604][ C3] ? unwind_next_frame+0x4ee/0x1e10 [ 20.341616][ C3] unwind_next_frame+0x4f3/0x1e10 [ 20.341622][ C3] ? exec_binprm+0x255/0x640 [ 20.341632][ C3] ? __pfx_unwind_next_frame+0x10/0x10 [ 20.341640][ C3] ? exec_binprm+0x255/0x640 [ 20.341646][ C3] ? kernel_text_address+0x17/0xe0 [ 20.341653][ C3] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 20.341659][ C3] arch_stack_walk+0x8b/0xf0 [ 20.341668][ C3] ? bprm_execve+0x1af/0x490 [ 20.341677][ C3] stack_trace_save+0x93/0xd0 [ 20.341682][ C3] ? __pfx_stack_trace_save+0x10/0x10 [ 20.341689][ C3] ? rcu_read_lock_any_held+0x43/0xb0 [ 20.341696][ C3] ? validate_chain+0x166/0x4d0 [ 20.341703][ C3] kasan_save_stack+0x24/0x50 [ 20.341708][ C3] ? kasan_save_stack+0x24/0x50 [ 20.341713][ C3] ? kasan_record_aux_stack+0x8c/0xa0 [ 20.341718][ C3] ? __call_rcu_common.constprop.0+0xa1/0x610 [ 20.341723][ C3] ? exit_mmap+0x3cd/0x800 [ 20.341728][ C3] ? mmput+0xb8/0x3f0 [ 20.341734][ C3] ? exec_mmap+0x416/0x840 [ 20.341738][ C3] ? begin_new_exec+0x3ae/0x15f0 [ 20.341744][ C3] ? load_elf_binary+0x634/0x2960 [ 20.341751][ C3] ? exec_binprm+0x255/0x640 [ 20.341760][ C3] ? find_held_lock+0x2b/0x80 [ 20.341769][ C3] ? __lock_acquire+0x44d/0x7e0 [ 20.341779][ C3] ? find_held_lock+0x2b/0x80 [ 20.341785][ C3] ? __virt_addr_valid+0x22e/0x450 [ 20.341793][ C3] ? __lock_release+0x5d/0x170 [ 20.341800][ C3] ? __virt_addr_valid+0x22e/0x450 [ 20.341809][ C3] ? __virt_addr_valid+0x23d/0x450 [ 20.341816][ C3] kasan_record_aux_stack+0x8c/0xa0 [ 20.341821][ C3] ? __pfx_slab_free_after_rcu_debug+0x10/0x10 [ 20.341830][ C3] __call_rcu_common.constprop.0+0xa1/0x610 [ 20.341838][ C3] exit_mmap+0x3cd/0x800 [ 20.341845][ C3] ? __pfx_exit_mmap+0x10/0x10 [ 20.341857][ C3] ? __mutex_unlock_slowpath+0x144/0x400 [ 20.341874][ C3] mmput+0xb8/0x3f0 [ 20.341880][ C3] exec_mmap+0x416/0x840 [ 20.341887][ C3] ? rcu_is_watching+0x12/0xc0 [ 20.341895][ C3] begin_new_exec+0x3ae/0x15f0 [ 20.341905][ C3] load_elf_binary+0x634/0x2960 [ 20.341915][ C3] ? __lock_acquire+0x44d/0x7e0 [ 20.341925][ C3] ? find_held_lock+0x2b/0x80 [ 20.341931][ C3] ? __pfx_load_elf_binary+0x10/0x10 [ 20.341937][ C3] ? exec_binprm+0x237/0x640 [ 20.341948][ C3] exec_binprm+0x255/0x640 [ 20.341957][ C3] ? __pfx_exec_binprm+0x10/0x10 [ 20.341962][ C3] ? bprm_execve+0x93/0x490 [ 20.341973][ C3] bprm_execve+0x1af/0x490 [ 20.341980][ C3] do_execveat_common.isra.0+0x3f5/0x550 [ 20.341989][ C3] __x64_sys_execve+0x8e/0xb0 [ 20.341996][ C3] do_syscall_64+0xc1/0x380 [ 20.342002][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 20.342006][ C3] RIP: 0033:0x7f656c62b40b [ 20.342019][ C3] Code: Unable to access opcode bytes at 0x7f656c62b3e1. [ 20.342022][ C3] RSP: 002b:00007ffc525eafd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 20.342028][ C3] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f656c62b40b [ 20.342031][ C3] RDX: 0000563b04a8f5c0 RSI: 0000563b04a82d00 RDI: 0000563b04a96960 [ 20.342035][ C3] RBP: 0000563b04a96960 R08: 0000563b04a8ee70 R09: 0000000000000020 [ 20.342038][ C3] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff [ 20.342041][ C3] R13: 0000563b04a82d00 R14: 0000563b04a8f5c0 R15: 0000563b04a7e620 [ 20.342053][ C3] [ 24.228442][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 24.229112][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 220, name: perl [ 24.229614][ C2] preempt_count: 101, expected: 0 [ 24.229986][ C2] RCU nest depth: 0, expected: 0 [ 24.230332][ C2] INFO: lockdep is turned off. [ 24.230672][ C2] Preemption disabled at: [ 24.230676][ C2] [<0000000000000000>] 0x0 [ 24.231317][ C2] CPU: 2 UID: 0 PID: 220 Comm: perl Tainted: G W 6.15.0-virtme #1 PREEMPT(full) [ 24.231327][ C2] Tainted: [W]=WARN [ 24.231329][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.231333][ C2] Call Trace: [ 24.231337][ C2] [ 24.231341][ C2] dump_stack_lvl+0xb0/0xd0 [ 24.231356][ C2] __might_resched+0x360/0x5a0 [ 24.231368][ C2] down_write+0x72/0x210 [ 24.231376][ C2] ? __pfx_down_write+0x10/0x10 [ 24.231381][ C2] ? simple_recursive_removal+0x33/0x610 [ 24.231388][ C2] ? rcu_is_watching+0x12/0xc0 [ 24.231398][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 24.231408][ C2] simple_recursive_removal+0x6a/0x610 [ 24.231412][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 24.231417][ C2] ? __pfx_remove_one+0x10/0x10 [ 24.231426][ C2] debugfs_remove+0x44/0x70 [ 24.231431][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 24.231441][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 24.231447][ C2] ? __sk_destruct+0x383/0x780 [ 24.231456][ C2] ? rcu_do_batch+0x34c/0xf20 [ 24.231462][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 24.231467][ C2] ? irq_exit_rcu+0xe/0x30 [ 24.231475][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 24.231483][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.231491][ C2] ? _raw_spin_unlock_irqrestore+0x41/0x80 [ 24.231498][ C2] ? uart_write+0x220/0x920 [ 24.231507][ C2] ? process_output_block+0x148/0x7b0 [ 24.231514][ C2] ? n_tty_write+0x419/0x7b0 [ 24.231518][ C2] ? iterate_tty_write+0x21e/0x530 [ 24.231525][ C2] ? file_tty_write.constprop.0+0x1cf/0x360 [ 24.231531][ C2] ? vfs_write+0xab8/0x1210 [ 24.231540][ C2] ? ksys_write+0xf7/0x1d0 [ 24.231544][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 24.231552][ C2] ? rcu_is_watching+0x12/0xc0 [ 24.231559][ C2] __put_net+0x19/0x60 [ 24.231566][ C2] __sk_destruct+0x58a/0x780 [ 24.231573][ C2] ? rcu_do_batch+0x34a/0xf20 [ 24.231578][ C2] rcu_do_batch+0x34c/0xf20 [ 24.231587][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 24.231594][ C2] ? rcu_is_watching+0x12/0xc0 [ 24.231599][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 24.231612][ C2] rcu_core+0x2bb/0x500 [ 24.231620][ C2] handle_softirqs+0x218/0x620 [ 24.231629][ C2] __irq_exit_rcu+0xfa/0x160 [ 24.231635][ C2] irq_exit_rcu+0xe/0x30 [ 24.231640][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 24.231646][ C2] [ 24.231648][ C2] [ 24.231651][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.231656][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 24.231663][ C2] Code: 74 24 10 e8 c1 1e 83 fd 48 89 ef e8 79 71 83 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 fa 6e 77 fd 65 8b 05 13 6d 97 02 85 c0 74 0e 5b 5d c3 cc cc cc [ 24.231668][ C2] RSP: 0018:ffffc90000a67aa0 EFLAGS: 00000206 [ 24.231675][ C2] RAX: 0000000000000046 RBX: 0000000000000200 RCX: ffffffff9f043b9f [ 24.231679][ C2] RDX: 0000000000000000 RSI: ffffffffa1853b60 RDI: 0000000000000001 [ 24.231682][ C2] RBP: ffffffffa4f7bf00 R08: 0000000000000000 R09: 0000000000000000 [ 24.231685][ C2] R10: ffffffffa2fe68d7 R11: 0000000000000000 R12: 00000000ffffffff [ 24.231688][ C2] R13: 0000000000000001 R14: ffffffffa4f7c008 R15: 00000000ffffffff [ 24.231696][ C2] ? trace_irq_enable.constprop.0+0x2f/0x130 [ 24.231706][ C2] uart_write+0x220/0x920 [ 24.231716][ C2] process_output_block+0x148/0x7b0 [ 24.231722][ C2] ? trace_irq_enable.constprop.0+0xd4/0x130 [ 24.231730][ C2] n_tty_write+0x419/0x7b0 [ 24.231740][ C2] ? __pfx_n_tty_write+0x10/0x10 [ 24.231747][ C2] ? __pfx_woken_wake_function+0x10/0x10 [ 24.231756][ C2] ? lock_acquire+0x10c/0x170 [ 24.231761][ C2] ? iterate_tty_write+0x8f/0x530 [ 24.231770][ C2] iterate_tty_write+0x21e/0x530 [ 24.231779][ C2] ? tty_ldisc_ref_wait+0x28/0x80 [ 24.231787][ C2] file_tty_write.constprop.0+0x1cf/0x360 [ 24.231796][ C2] vfs_write+0xab8/0x1210 [ 24.231806][ C2] ? __pfx_vfs_write+0x10/0x10 [ 24.231815][ C2] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 24.231827][ C2] ? __pfx_handle_mm_fault+0x10/0x10 [ 24.231836][ C2] ksys_write+0xf7/0x1d0 [ 24.231842][ C2] ? __pfx_ksys_write+0x10/0x10 [ 24.231847][ C2] ? do_user_addr_fault+0x959/0xe00 [ 24.231858][ C2] do_syscall_64+0xc1/0x380 [ 24.231865][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 24.231870][ C2] RIP: 0033:0x7fecf5da0b77 [ 24.231876][ C2] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 24.231881][ C2] RSP: 002b:00007ffd7afa1938 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 24.231886][ C2] RAX: ffffffffffffffda RBX: 0000560cccd7e350 RCX: 00007fecf5da0b77 [ 24.231889][ C2] RDX: 0000000000000001 RSI: 0000560cccd7e350 RDI: 0000000000000001 [ 24.231893][ C2] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 24.231896][ C2] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560cccd6a5e0 [ 24.231899][ C2] R13: 0000560cccd4b2a0 R14: 0000000000000001 R15: 0000560cccd6a5e0 [ 24.231911][ C2]