[ 15.256513][ T226] TCP: tun0: Driver has suspect GRO implementation, TCP performance may be compromised. [ 15.639588][ C3] [ 15.639799][ C3] ================================ [ 15.639990][ C3] WARNING: inconsistent lock state [ 15.640190][ C3] 6.15.0-virtme #1 Not tainted [ 15.640380][ C3] -------------------------------- [ 15.640567][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.640804][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.641043][ C3] ffffffff9898d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 15.641399][ C3] {SOFTIRQ-ON-W} state was registered at: [ 15.641585][ C3] __lock_acquire+0x20b/0x7e0 [ 15.641789][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.641981][ C3] _raw_spin_lock+0x33/0x40 [ 15.642172][ C3] xa_store+0x1c/0x50 [ 15.642314][ C3] ref_tracker_dir_debugfs+0x168/0x1b0 [ 15.642511][ C3] init_net_debugfs+0x15/0x70 [ 15.642711][ C3] do_one_initcall+0x8c/0x1e0 [ 15.642906][ C3] do_initcalls+0x176/0x280 [ 15.643097][ C3] kernel_init_freeable+0x22d/0x300 [ 15.643281][ C3] kernel_init+0x20/0x200 [ 15.643467][ C3] ret_from_fork+0x240/0x320 [ 15.643664][ C3] ret_from_fork_asm+0x1a/0x30 [ 15.643850][ C3] irq event stamp: 250774 [ 15.643993][ C3] hardirqs last enabled at (250774): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.644363][ C3] hardirqs last disabled at (250773): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.644736][ C3] softirqs last enabled at (249584): [] handle_softirqs+0x358/0x620 [ 15.645066][ C3] softirqs last disabled at (249591): [] __irq_exit_rcu+0xfa/0x160 [ 15.645399][ C3] [ 15.645399][ C3] other info that might help us debug this: [ 15.645675][ C3] Possible unsafe locking scenario: [ 15.645675][ C3] [ 15.645948][ C3] CPU0 [ 15.646087][ C3] ---- [ 15.646236][ C3] lock(&xa->xa_lock#8); [ 15.646379][ C3] [ 15.646519][ C3] lock(&xa->xa_lock#8); [ 15.646705][ C3] [ 15.646705][ C3] *** DEADLOCK *** [ 15.646705][ C3] [ 15.646979][ C3] 1 lock held by swapper/3/0: [ 15.647165][ C3] #0: ffffffff95f793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.647502][ C3] [ 15.647502][ C3] stack backtrace: [ 15.647742][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.647746][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.647750][ C3] Call Trace: [ 15.647754][ C3] [ 15.647757][ C3] dump_stack_lvl+0x82/0xd0 [ 15.647767][ C3] print_usage_bug.part.0+0x25f/0x360 [ 15.647772][ C3] mark_lock_irq+0x343/0x400 [ 15.647779][ C3] mark_lock+0x174/0x2f0 [ 15.647783][ C3] mark_usage+0x46/0x150 [ 15.647787][ C3] __lock_acquire+0x20b/0x7e0 [ 15.647790][ C3] ? unwind_next_frame+0x4f8/0x1e10 [ 15.647796][ C3] ? start_secondary+0x213/0x2a0 [ 15.647804][ C3] lock_acquire.part.0+0xb6/0x240 [ 15.647807][ C3] ? xa_set_mark+0x73/0x120 [ 15.647810][ C3] ? rcu_is_watching+0x12/0xc0 [ 15.647819][ C3] ? lock_acquire+0x10c/0x170 [ 15.647822][ C3] ? xa_set_mark+0x73/0x120 [ 15.647825][ C3] _raw_spin_lock+0x33/0x40 [ 15.647828][ C3] ? xa_set_mark+0x73/0x120 [ 15.647830][ C3] xa_set_mark+0x73/0x120 [ 15.647835][ C3] ? __pfx_xa_set_mark+0x10/0x10 [ 15.647837][ C3] ? __lock_acquire+0x44d/0x7e0 [ 15.647843][ C3] ? find_held_lock+0x2b/0x80 [ 15.647846][ C3] ref_tracker_dir_exit+0xb2/0x740 [ 15.647852][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.647856][ C3] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.647859][ C3] ? ref_tracker_free+0x35d/0x900 [ 15.647863][ C3] ? __lock_acquire+0x44d/0x7e0 [ 15.647866][ C3] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.647869][ C3] ? __sk_destruct+0x383/0x780 [ 15.647879][ C3] ? rcu_do_batch+0x34f/0xf20 [ 15.647882][ C3] ? rcu_core+0x2bb/0x500 [ 15.647884][ C3] ? handle_softirqs+0x21b/0x620 [ 15.647889][ C3] __put_net+0x83/0x140 [ 15.647896][ C3] ? do_idle+0xf6/0x160 [ 15.647903][ C3] ? __pfx___put_net+0x10/0x10 [ 15.647908][ C3] ? bpf_sk_storage_free+0x9f/0x1c0 [ 15.647915][ C3] __sk_destruct+0x58a/0x780 [ 15.647919][ C3] ? rcu_do_batch+0x34a/0xf20 [ 15.647922][ C3] rcu_do_batch+0x34f/0xf20 [ 15.647925][ C3] ? find_held_lock+0x2b/0x80 [ 15.647929][ C3] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.647933][ C3] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.647936][ C3] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.647940][ C3] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.647945][ C3] rcu_core+0x2bb/0x500 [ 15.647948][ C3] handle_softirqs+0x21b/0x620 [ 15.647953][ C3] __irq_exit_rcu+0xfa/0x160 [ 15.647957][ C3] irq_exit_rcu+0xe/0x30 [ 15.647960][ C3] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.647964][ C3] [ 15.647965][ C3] [ 15.647966][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.647972][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.647977][ C3] 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 [ 15.647979][ C3] RSP: 0018:ffffc90000157de8 EFLAGS: 00000246 [ 15.647985][ C3] RAX: 000000000003cef5 RBX: 1ffff9200002afc1 RCX: ffffffff94fca3c9 [ 15.647987][ C3] RDX: 0000000000000000 RSI: ffffffff95aa57e9 RDI: ffffffff9525a220 [ 15.647989][ C3] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005eb6702 [ 15.647991][ C3] R10: ffff88802f5b3813 R11: ffffffff95c11288 R12: 0000000000000000 [ 15.647992][ C3] R13: ffff888001bf45c0 R14: dffffc0000000000 R15: 0000000000000000 [ 15.647996][ C3] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.648002][ C3] default_idle+0x9/0x10 [ 15.648004][ C3] default_idle_call+0x6d/0xb0 [ 15.648007][ C3] cpuidle_idle_call+0x26f/0x3a0 [ 15.648010][ C3] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.648016][ C3] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.648021][ C3] do_idle+0xf6/0x160 [ 15.648024][ C3] cpu_startup_entry+0x54/0x60 [ 15.648028][ C3] start_secondary+0x213/0x2a0 [ 15.648031][ C3] ? __pfx_start_secondary+0x10/0x10 [ 15.648036][ C3] common_startup_64+0x13e/0x148 [ 15.648047][ C3]