[ 17.536806][ C2] [ 17.536957][ C2] ================================ [ 17.537162][ C2] WARNING: inconsistent lock state [ 17.537363][ C2] 6.15.0-virtme #1 Not tainted [ 17.537556][ C2] -------------------------------- [ 17.537751][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 17.537988][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 17.538226][ C2] ffffffffaf98d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 17.538612][ C2] {SOFTIRQ-ON-W} state was registered at: [ 17.538810][ C2] __lock_acquire+0x20b/0x7e0 [ 17.539016][ C2] lock_acquire.part.0+0xb6/0x240 [ 17.539207][ C2] _raw_spin_lock+0x33/0x40 [ 17.539399][ C2] xa_store+0x1c/0x50 [ 17.539540][ C2] ref_tracker_dir_debugfs+0x168/0x1b0 [ 17.539749][ C2] init_net_debugfs+0x15/0x70 [ 17.539950][ C2] do_one_initcall+0x8c/0x1e0 [ 17.540145][ C2] do_initcalls+0x176/0x280 [ 17.540338][ C2] kernel_init_freeable+0x22d/0x300 [ 17.540526][ C2] kernel_init+0x20/0x200 [ 17.540727][ C2] ret_from_fork+0x240/0x320 [ 17.540921][ C2] ret_from_fork_asm+0x1a/0x30 [ 17.541149][ C2] irq event stamp: 267932 [ 17.541295][ C2] hardirqs last enabled at (267932): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 17.541685][ C2] hardirqs last disabled at (267931): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 17.542122][ C2] softirqs last enabled at (267356): [] handle_softirqs+0x358/0x620 [ 17.542495][ C2] softirqs last disabled at (267393): [] __irq_exit_rcu+0xfa/0x160 [ 17.542871][ C2] [ 17.542871][ C2] other info that might help us debug this: [ 17.543174][ C2] Possible unsafe locking scenario: [ 17.543174][ C2] [ 17.543453][ C2] CPU0 [ 17.543606][ C2] ---- [ 17.543746][ C2] lock(&xa->xa_lock#8); [ 17.543897][ C2] [ 17.544045][ C2] lock(&xa->xa_lock#8); [ 17.544241][ C2] [ 17.544241][ C2] *** DEADLOCK *** [ 17.544241][ C2] [ 17.544527][ C2] 1 lock held by swapper/2/0: [ 17.544740][ C2] #0: ffffffffacf793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 17.545113][ C2] [ 17.545113][ C2] stack backtrace: [ 17.545359][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 17.545364][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.545370][ C2] Call Trace: [ 17.545374][ C2] [ 17.545378][ C2] dump_stack_lvl+0x82/0xd0 [ 17.545391][ C2] print_usage_bug.part.0+0x25f/0x360 [ 17.545397][ C2] mark_lock_irq+0x343/0x400 [ 17.545404][ C2] mark_lock+0x174/0x2f0 [ 17.545408][ C2] mark_usage+0x46/0x150 [ 17.545412][ C2] __lock_acquire+0x20b/0x7e0 [ 17.545416][ C2] ? unwind_next_frame+0x4f8/0x1e10 [ 17.545425][ C2] ? start_secondary+0x213/0x2a0 [ 17.545435][ C2] lock_acquire.part.0+0xb6/0x240 [ 17.545439][ C2] ? xa_set_mark+0x73/0x120 [ 17.545444][ C2] ? rcu_is_watching+0x12/0xc0 [ 17.545453][ C2] ? lock_acquire+0x10c/0x170 [ 17.545460][ C2] ? xa_set_mark+0x73/0x120 [ 17.545464][ C2] _raw_spin_lock+0x33/0x40 [ 17.545469][ C2] ? xa_set_mark+0x73/0x120 [ 17.545472][ C2] xa_set_mark+0x73/0x120 [ 17.545475][ C2] ? __pfx_xa_set_mark+0x10/0x10 [ 17.545479][ C2] ? __lock_acquire+0x44d/0x7e0 [ 17.545484][ C2] ? find_held_lock+0x2b/0x80 [ 17.545488][ C2] ref_tracker_dir_exit+0xb2/0x740 [ 17.545498][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 17.545502][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 17.545505][ C2] ? ref_tracker_free+0x35d/0x900 [ 17.545509][ C2] ? __lock_acquire+0x44d/0x7e0 [ 17.545512][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 17.545515][ C2] ? __sk_destruct+0x383/0x780 [ 17.545532][ C2] ? rcu_do_batch+0x34f/0xf20 [ 17.545535][ C2] ? rcu_core+0x2bb/0x500 [ 17.545538][ C2] ? handle_softirqs+0x21b/0x620 [ 17.545544][ C2] __put_net+0x83/0x140 [ 17.545554][ C2] ? do_idle+0xf6/0x160 [ 17.545563][ C2] ? __pfx___put_net+0x10/0x10 [ 17.545568][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 17.545578][ C2] __sk_destruct+0x58a/0x780 [ 17.545581][ C2] ? rcu_do_batch+0x34a/0xf20 [ 17.545585][ C2] rcu_do_batch+0x34f/0xf20 [ 17.545589][ C2] ? find_held_lock+0x2b/0x80 [ 17.545592][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 17.545596][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 17.545599][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 17.545605][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 17.545609][ C2] rcu_core+0x2bb/0x500 [ 17.545612][ C2] handle_softirqs+0x21b/0x620 [ 17.545618][ C2] __irq_exit_rcu+0xfa/0x160 [ 17.545621][ C2] irq_exit_rcu+0xe/0x30 [ 17.545625][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 17.545628][ C2] [ 17.545630][ C2] [ 17.545631][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 17.545637][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 17.545641][ 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 [ 17.545644][ C2] RSP: 0018:ffffc90000147de8 EFLAGS: 00000242 [ 17.545650][ C2] RAX: 000000000004147f RBX: 1ffff92000028fc1 RCX: ffffffffabfca3c9 [ 17.545653][ C2] RDX: 0000000000000000 RSI: ffffffffacaa57e9 RDI: ffffffffac25a220 [ 17.545655][ C2] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c26702 [ 17.545656][ C2] R10: ffff888036133813 R11: ffffffffacc11288 R12: 0000000000000000 [ 17.545658][ C2] R13: ffff888001bf2300 R14: dffffc0000000000 R15: 0000000000000000 [ 17.545662][ C2] ? ct_kernel_exit.constprop.0+0x109/0x160 [ 17.545668][ C2] default_idle+0x9/0x10 [ 17.545671][ C2] default_idle_call+0x6d/0xb0 [ 17.545673][ C2] cpuidle_idle_call+0x26f/0x3a0 [ 17.545677][ C2] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 17.545681][ C2] ? tsc_verify_tsc_adjust+0x98/0x310 [ 17.545688][ C2] do_idle+0xf6/0x160 [ 17.545692][ C2] cpu_startup_entry+0x54/0x60 [ 17.545696][ C2] start_secondary+0x213/0x2a0 [ 17.545699][ C2] ? __pfx_start_secondary+0x10/0x10 [ 17.545704][ C2] common_startup_64+0x13e/0x148 [ 17.545715][ C2] [ 19.380689][ T258] packetdrill (258) used greatest stack depth: 24504 bytes left