[ 15.537826][ T227] TCP: tun0: Driver has suspect GRO implementation, TCP performance may be compromised. [ 15.637578][ C2] [ 15.637731][ C2] ================================ [ 15.637940][ C2] WARNING: inconsistent lock state [ 15.638139][ C2] 6.15.0-virtme #1 Not tainted [ 15.638341][ C2] -------------------------------- [ 15.638542][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 15.638790][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 15.639044][ C2] ffffffffb158d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 15.639409][ C2] {SOFTIRQ-ON-W} state was registered at: [ 15.639610][ C2] __lock_acquire+0x20b/0x7e0 [ 15.639823][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.640025][ C2] _raw_spin_lock+0x33/0x40 [ 15.640227][ C2] xa_store+0x1c/0x50 [ 15.640382][ C2] ref_tracker_dir_debugfs+0x168/0x1b0 [ 15.640587][ C2] init_net_debugfs+0x15/0x70 [ 15.640790][ C2] do_one_initcall+0x8c/0x1e0 [ 15.640999][ C2] do_initcalls+0x176/0x280 [ 15.641205][ C2] kernel_init_freeable+0x22d/0x300 [ 15.641415][ C2] kernel_init+0x20/0x200 [ 15.641615][ C2] ret_from_fork+0x240/0x320 [ 15.641812][ C2] ret_from_fork_asm+0x1a/0x30 [ 15.642017][ C2] irq event stamp: 313030 [ 15.642165][ C2] hardirqs last enabled at (313030): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.642574][ C2] hardirqs last disabled at (313029): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 15.642990][ C2] softirqs last enabled at (310992): [] handle_softirqs+0x358/0x620 [ 15.643348][ C2] softirqs last disabled at (310999): [] __irq_exit_rcu+0xfa/0x160 [ 15.643710][ C2] [ 15.643710][ C2] other info that might help us debug this: [ 15.644009][ C2] Possible unsafe locking scenario: [ 15.644009][ C2] [ 15.644306][ C2] CPU0 [ 15.644456][ C2] ---- [ 15.644602][ C2] lock(&xa->xa_lock#8); [ 15.644760][ C2] [ 15.644912][ C2] lock(&xa->xa_lock#8); [ 15.645114][ C2] [ 15.645114][ C2] *** DEADLOCK *** [ 15.645114][ C2] [ 15.645430][ C2] 1 lock held by swapper/2/0: [ 15.645634][ C2] #0: ffffffffaeb793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 15.645997][ C2] [ 15.645997][ C2] stack backtrace: [ 15.646249][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 15.646253][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.646256][ C2] Call Trace: [ 15.646258][ C2] [ 15.646261][ C2] dump_stack_lvl+0x82/0xd0 [ 15.646268][ C2] print_usage_bug.part.0+0x25f/0x360 [ 15.646273][ C2] mark_lock_irq+0x343/0x400 [ 15.646281][ C2] mark_lock+0x174/0x2f0 [ 15.646285][ C2] mark_usage+0x46/0x150 [ 15.646289][ C2] __lock_acquire+0x20b/0x7e0 [ 15.646293][ C2] ? unwind_next_frame+0x4f8/0x1e10 [ 15.646299][ C2] ? start_secondary+0x213/0x2a0 [ 15.646306][ C2] lock_acquire.part.0+0xb6/0x240 [ 15.646309][ C2] ? xa_set_mark+0x73/0x120 [ 15.646313][ C2] ? rcu_is_watching+0x12/0xc0 [ 15.646320][ C2] ? lock_acquire+0x10c/0x170 [ 15.646323][ C2] ? xa_set_mark+0x73/0x120 [ 15.646326][ C2] _raw_spin_lock+0x33/0x40 [ 15.646329][ C2] ? xa_set_mark+0x73/0x120 [ 15.646332][ C2] xa_set_mark+0x73/0x120 [ 15.646335][ C2] ? __pfx_xa_set_mark+0x10/0x10 [ 15.646337][ C2] ? __lock_acquire+0x44d/0x7e0 [ 15.646343][ C2] ? find_held_lock+0x2b/0x80 [ 15.646347][ C2] ref_tracker_dir_exit+0xb2/0x740 [ 15.646353][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.646356][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 15.646360][ C2] ? ref_tracker_free+0x35d/0x900 [ 15.646363][ C2] ? __lock_acquire+0x44d/0x7e0 [ 15.646367][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 15.646370][ C2] ? __sk_destruct+0x383/0x780 [ 15.646376][ C2] ? rcu_do_batch+0x34f/0xf20 [ 15.646378][ C2] ? rcu_core+0x2bb/0x500 [ 15.646381][ C2] ? handle_softirqs+0x21b/0x620 [ 15.646386][ C2] __put_net+0x83/0x140 [ 15.646391][ C2] ? do_idle+0xf6/0x160 [ 15.646397][ C2] ? __pfx___put_net+0x10/0x10 [ 15.646401][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 15.646407][ C2] __sk_destruct+0x58a/0x780 [ 15.646411][ C2] ? rcu_do_batch+0x34a/0xf20 [ 15.646413][ C2] rcu_do_batch+0x34f/0xf20 [ 15.646417][ C2] ? find_held_lock+0x2b/0x80 [ 15.646421][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 15.646424][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 15.646428][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 15.646433][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 15.646437][ C2] rcu_core+0x2bb/0x500 [ 15.646440][ C2] handle_softirqs+0x21b/0x620 [ 15.646446][ C2] __irq_exit_rcu+0xfa/0x160 [ 15.646450][ C2] irq_exit_rcu+0xe/0x30 [ 15.646454][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 15.646458][ C2] [ 15.646459][ C2] [ 15.646461][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 15.646466][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 15.646471][ 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 [ 15.646474][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 15.646477][ C2] RAX: 000000000004bed5 RBX: 1ffff92000028fc1 RCX: ffffffffadbca3c9 [ 15.646479][ C2] RDX: 0000000000000000 RSI: ffffffffae6a57e9 RDI: ffffffffade5a220 [ 15.646481][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c26702 [ 15.646482][ C2] R10: ffff888036133813 R11: ffffffffae811288 R12: 0000000000000000 [ 15.646484][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 15.646488][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 15.646493][ C2] default_idle+0x9/0x10 [ 15.646496][ C2] default_idle_call+0x6d/0xb0 [ 15.646498][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 15.646502][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 15.646506][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 15.646511][ C2] do_idle+0xf6/0x160 [ 15.646514][ C2] cpu_startup_entry+0x54/0x60 [ 15.646518][ C2] start_secondary+0x213/0x2a0 [ 15.646521][ C2] ? __pfx_start_secondary+0x10/0x10 [ 15.646526][ C2] common_startup_64+0x13e/0x148 [ 15.646533][ C2]