[ 19.304678][ C2] [ 19.304846][ C2] ================================ [ 19.305045][ C2] WARNING: inconsistent lock state [ 19.305244][ C2] 6.15.0-virtme #1 Not tainted [ 19.305441][ C2] -------------------------------- [ 19.305646][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 19.305894][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 19.306145][ C2] ffffffff9c78d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 19.306536][ C2] {SOFTIRQ-ON-W} state was registered at: [ 19.306747][ C2] __lock_acquire+0x20b/0x7e0 [ 19.306978][ C2] lock_acquire.part.0+0xb6/0x240 [ 19.307178][ C2] _raw_spin_lock+0x33/0x40 [ 19.307380][ C2] xa_store+0x1c/0x50 [ 19.307530][ C2] ref_tracker_dir_debugfs+0x168/0x1b0 [ 19.307747][ C2] init_net_debugfs+0x15/0x70 [ 19.307961][ C2] do_one_initcall+0x8c/0x1e0 [ 19.308175][ C2] do_initcalls+0x176/0x280 [ 19.308387][ C2] kernel_init_freeable+0x22d/0x300 [ 19.308593][ C2] kernel_init+0x20/0x200 [ 19.308792][ C2] ret_from_fork+0x240/0x320 [ 19.309006][ C2] ret_from_fork_asm+0x1a/0x30 [ 19.309215][ C2] irq event stamp: 280460 [ 19.309371][ C2] hardirqs last enabled at (280460): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 19.309769][ C2] hardirqs last disabled at (280459): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 19.310172][ C2] softirqs last enabled at (279420): [] handle_softirqs+0x358/0x620 [ 19.310533][ C2] softirqs last disabled at (279427): [] __irq_exit_rcu+0xfa/0x160 [ 19.310882][ C2] [ 19.310882][ C2] other info that might help us debug this: [ 19.311179][ C2] Possible unsafe locking scenario: [ 19.311179][ C2] [ 19.311475][ C2] CPU0 [ 19.311622][ C2] ---- [ 19.311775][ C2] lock(&xa->xa_lock#8); [ 19.311933][ C2] [ 19.312089][ C2] lock(&xa->xa_lock#8); [ 19.312296][ C2] [ 19.312296][ C2] *** DEADLOCK *** [ 19.312296][ C2] [ 19.312597][ C2] 1 lock held by swapper/2/0: [ 19.312804][ C2] #0: ffffffff99d793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 19.313164][ C2] [ 19.313164][ C2] stack backtrace: [ 19.313420][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 19.313425][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.313430][ C2] Call Trace: [ 19.313435][ C2] [ 19.313439][ C2] dump_stack_lvl+0x82/0xd0 [ 19.313450][ C2] print_usage_bug.part.0+0x25f/0x360 [ 19.313455][ C2] mark_lock_irq+0x343/0x400 [ 19.313462][ C2] mark_lock+0x174/0x2f0 [ 19.313466][ C2] mark_usage+0x46/0x150 [ 19.313470][ C2] __lock_acquire+0x20b/0x7e0 [ 19.313473][ C2] ? unwind_next_frame+0x4f8/0x1e10 [ 19.313481][ C2] ? start_secondary+0x213/0x2a0 [ 19.313490][ C2] lock_acquire.part.0+0xb6/0x240 [ 19.313493][ C2] ? xa_set_mark+0x73/0x120 [ 19.313497][ C2] ? rcu_is_watching+0x12/0xc0 [ 19.313504][ C2] ? lock_acquire+0x10c/0x170 [ 19.313507][ C2] ? xa_set_mark+0x73/0x120 [ 19.313510][ C2] _raw_spin_lock+0x33/0x40 [ 19.313514][ C2] ? xa_set_mark+0x73/0x120 [ 19.313520][ C2] xa_set_mark+0x73/0x120 [ 19.313523][ C2] ? __pfx_xa_set_mark+0x10/0x10 [ 19.313525][ C2] ? __lock_acquire+0x44d/0x7e0 [ 19.313531][ C2] ? find_held_lock+0x2b/0x80 [ 19.313535][ C2] ref_tracker_dir_exit+0xb2/0x740 [ 19.313540][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 19.313544][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 19.313548][ C2] ? ref_tracker_free+0x35d/0x900 [ 19.313551][ C2] ? __lock_acquire+0x44d/0x7e0 [ 19.313555][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 19.313558][ C2] ? __sk_destruct+0x383/0x780 [ 19.313573][ C2] ? rcu_do_batch+0x34f/0xf20 [ 19.313575][ C2] ? rcu_core+0x2bb/0x500 [ 19.313578][ C2] ? handle_softirqs+0x21b/0x620 [ 19.313582][ C2] __put_net+0x83/0x140 [ 19.313590][ C2] ? do_idle+0xf6/0x160 [ 19.313599][ C2] ? __pfx___put_net+0x10/0x10 [ 19.313603][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 19.313612][ C2] __sk_destruct+0x58a/0x780 [ 19.313615][ C2] ? rcu_do_batch+0x34a/0xf20 [ 19.313618][ C2] rcu_do_batch+0x34f/0xf20 [ 19.313622][ C2] ? find_held_lock+0x2b/0x80 [ 19.313626][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 19.313629][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 19.313633][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 19.313638][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 19.313642][ C2] rcu_core+0x2bb/0x500 [ 19.313645][ C2] handle_softirqs+0x21b/0x620 [ 19.313651][ C2] __irq_exit_rcu+0xfa/0x160 [ 19.313654][ C2] irq_exit_rcu+0xe/0x30 [ 19.313658][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 19.313661][ C2] [ 19.313662][ C2] [ 19.313664][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 19.313671][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 19.313675][ C2] Code: 64 b3 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 53 a7 0c 00 fb f4 cc 58 02 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 19.313678][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000246 [ 19.313685][ C2] RAX: 0000000000044381 RBX: 1ffff92000028fc1 RCX: ffffffff98dca3c9 [ 19.313687][ C2] RDX: 0000000000000000 RSI: ffffffff998a57e9 RDI: ffffffff9905a220 [ 19.313689][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c26702 [ 19.313691][ C2] R10: ffff888036133813 R11: ffffffff99a11288 R12: 0000000000000000 [ 19.313692][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 19.313696][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 19.313702][ C2] default_idle+0x9/0x10 [ 19.313705][ C2] default_idle_call+0x6d/0xb0 [ 19.313707][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 19.313711][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 19.313715][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 19.313720][ C2] do_idle+0xf6/0x160 [ 19.313723][ C2] cpu_startup_entry+0x54/0x60 [ 19.313727][ C2] start_secondary+0x213/0x2a0 [ 19.313731][ C2] ? __pfx_start_secondary+0x10/0x10 [ 19.313736][ C2] common_startup_64+0x13e/0x148 [ 19.313750][ C2] [ 21.063986][ T257] packetdrill (257) used greatest stack depth: 24568 bytes left