[ 14.931072][ T225] TCP: tun0: Driver has suspect GRO implementation, TCP performance may be compromised. [ 15.010380][ C0] [ 15.010522][ C0] ================================ [ 15.010753][ C0] WARNING: inconsistent lock state [ 15.010986][ C0] 6.15.0-virtme #1 Not tainted [ 15.011213][ C0] -------------------------------- [ 15.011435][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.011714][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.011992][ C0] ffffffffb818d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 15.012394][ C0] {SOFTIRQ-ON-W} state was registered at: [ 15.012616][ C0] __lock_acquire+0x20b/0x7e0 [ 15.012842][ C0] lock_acquire.part.0+0xb6/0x240 [ 15.013065][ C0] _raw_spin_lock+0x33/0x40 [ 15.013291][ C0] xa_store+0x1c/0x50 [ 15.013461][ C0] ref_tracker_dir_debugfs+0x168/0x1b0 [ 15.013690][ C0] init_net_debugfs+0x15/0x70 [ 15.013915][ C0] do_one_initcall+0x8c/0x1e0 [ 15.014146][ C0] do_initcalls+0x176/0x280 [ 15.014374][ C0] kernel_init_freeable+0x22d/0x300 [ 15.014600][ C0] kernel_init+0x20/0x200 [ 15.014829][ C0] ret_from_fork+0x240/0x320 [ 15.015069][ C0] ret_from_fork_asm+0x1a/0x30 [ 15.015296][ C0] irq event stamp: 473706 [ 15.015463][ C0] hardirqs last enabled at (473706): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.015908][ C0] hardirqs last disabled at (473705): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.016365][ C0] softirqs last enabled at (471788): [] handle_softirqs+0x358/0x620 [ 15.016757][ C0] softirqs last disabled at (471813): [] __irq_exit_rcu+0xfa/0x160 [ 15.017158][ C0] [ 15.017158][ C0] other info that might help us debug this: [ 15.017489][ C0] Possible unsafe locking scenario: [ 15.017489][ C0] [ 15.017817][ C0] CPU0 [ 15.017987][ C0] ---- [ 15.018154][ C0] lock(&xa->xa_lock#8); [ 15.018326][ C0] [ 15.018490][ C0] lock(&xa->xa_lock#8); [ 15.018714][ C0] [ 15.018714][ C0] *** DEADLOCK *** [ 15.018714][ C0] [ 15.019047][ C0] 1 lock held by swapper/0/0: [ 15.019274][ C0] #0: ffffffffb57793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.019679][ C0] [ 15.019679][ C0] stack backtrace: [ 15.019965][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.019969][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.019971][ C0] Call Trace: [ 15.019972][ C0] [ 15.019974][ C0] dump_stack_lvl+0x82/0xd0 [ 15.019980][ C0] print_usage_bug.part.0+0x25f/0x360 [ 15.019985][ C0] mark_lock_irq+0x343/0x400 [ 15.019993][ C0] mark_lock+0x174/0x2f0 [ 15.019997][ C0] mark_usage+0x46/0x150 [ 15.020000][ C0] __lock_acquire+0x20b/0x7e0 [ 15.020004][ C0] ? find_held_lock+0x2b/0x80 [ 15.020009][ C0] lock_acquire.part.0+0xb6/0x240 [ 15.020012][ C0] ? xa_set_mark+0x73/0x120 [ 15.020015][ C0] ? rcu_is_watching+0x12/0xc0 [ 15.020020][ C0] ? lock_acquire+0x10c/0x170 [ 15.020024][ C0] ? xa_set_mark+0x73/0x120 [ 15.020027][ C0] _raw_spin_lock+0x33/0x40 [ 15.020030][ C0] ? xa_set_mark+0x73/0x120 [ 15.020033][ C0] xa_set_mark+0x73/0x120 [ 15.020035][ C0] ? __pfx_xa_set_mark+0x10/0x10 [ 15.020038][ C0] ? __lock_acquire+0x44d/0x7e0 [ 15.020043][ C0] ? find_held_lock+0x2b/0x80 [ 15.020047][ C0] ref_tracker_dir_exit+0xb2/0x740 [ 15.020052][ C0] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.020055][ C0] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.020059][ C0] ? ref_tracker_free+0x35d/0x900 [ 15.020062][ C0] ? __lock_acquire+0x44d/0x7e0 [ 15.020066][ C0] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.020069][ C0] ? __sk_destruct+0x383/0x780 [ 15.020073][ C0] ? rcu_do_batch+0x34f/0xf20 [ 15.020076][ C0] ? rcu_core+0x2bb/0x500 [ 15.020079][ C0] ? handle_softirqs+0x21b/0x620 [ 15.020083][ C0] __put_net+0x83/0x140 [ 15.020088][ C0] ? do_idle+0xf6/0x160 [ 15.020093][ C0] ? __pfx___put_net+0x10/0x10 [ 15.020097][ C0] ? bpf_sk_storage_free+0x9f/0x1c0 [ 15.020102][ C0] __sk_destruct+0x58a/0x780 [ 15.020105][ C0] ? rcu_do_batch+0x34a/0xf20 [ 15.020108][ C0] rcu_do_batch+0x34f/0xf20 [ 15.020112][ C0] ? find_held_lock+0x2b/0x80 [ 15.020115][ C0] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.020119][ C0] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.020123][ C0] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.020127][ C0] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.020132][ C0] rcu_core+0x2bb/0x500 [ 15.020135][ C0] handle_softirqs+0x21b/0x620 [ 15.020141][ C0] __irq_exit_rcu+0xfa/0x160 [ 15.020144][ C0] irq_exit_rcu+0xe/0x30 [ 15.020148][ C0] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.020152][ C0] [ 15.020153][ C0] [ 15.020154][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.020158][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.020163][ C0] 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 [ 15.020166][ C0] RSP: 0018:ffffffffb5407df8 EFLAGS: 00000246 [ 15.020169][ C0] RAX: 0000000000073303 RBX: 1ffffffff6a80fc3 RCX: ffffffffb47ca3c9 [ 15.020171][ C0] RDX: 0000000000000000 RSI: ffffffffb52a57e9 RDI: ffffffffb4a5a220 [ 15.020173][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1005e86702 [ 15.020174][ C0] R10: ffff88802f433813 R11: ffffffffb5411288 R12: 0000000000000000 [ 15.020176][ C0] R13: ffffffffb541f280 R14: dffffc0000000000 R15: 0000000000014770 [ 15.020180][ C0] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.020185][ C0] default_idle+0x9/0x10 [ 15.020188][ C0] default_idle_call+0x6d/0xb0 [ 15.020190][ C0] cpuidle_idle_call+0x26f/0x3a0 [ 15.020194][ C0] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.020198][ C0] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.020203][ C0] do_idle+0xf6/0x160 [ 15.020207][ C0] cpu_startup_entry+0x54/0x60 [ 15.020210][ C0] rest_init+0x14b/0x260 [ 15.020213][ C0] start_kernel+0x350/0x410 [ 15.020217][ C0] x86_64_start_reservations+0x18/0x30 [ 15.020221][ C0] x86_64_start_kernel+0xf8/0x150 [ 15.020224][ C0] common_startup_64+0x13e/0x148 [ 15.020231][ C0]