------------[ cut here ]------------
percpu ref (css_release) <= 0 (-2453) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#0: systemd/1
Modules linked in:
CPU: 0 UID: 0 PID: 1 Comm: systemd Tainted: G        W           6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary) 
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480
Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 c0 99 e2 84 e8 25 ac e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 56 de 5f ff e9 9e fe ff ff e8 dc de
RSP: 0018:ffff88806ce08e20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff8880094f8000 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 7ffffffffffff66a R08: 0000000000000001 R09: ffffed100d9c4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803d6a1800
R13: ffff88803d6a1820 R14: 0000000000000002 R15: 0000000000000003
FS:  00007f91eab38900(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe33497000 CR3: 000000000d185000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 rcu_core+0x7c8/0x1800
 handle_softirqs+0x1b1/0x770
 __irq_exit_rcu+0xc4/0x100
 irq_exit_rcu+0x9/0x20
 sysvec_apic_timer_interrupt+0x70/0x80
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:stack_trace_consume_entry+0xf/0x170
Code: 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 <53> 48 89 fb 48 83 c7 10 48 89 fa 48 c1 ea 03 48 83 ec 08 0f b6 04
RSP: 0018:ffff888009547850 EFLAGS: 00000282
RAX: dffffc0000000000 RBX: ffffffff816087b0 RCX: ffff8880095477b4
RDX: 1ffff110012a8f17 RSI: ffffffff81b363fd RDI: ffff888009547928
RBP: ffff8880095478f8 R08: 0000000000000001 R09: ffff8880095478a0
R10: 000000000003bea3 R11: 0000000000025c33 R12: ffff888009547928
R13: 0000000000000000 R14: ffff8880094f8000 R15: ffff8880096f1b40
 arch_stack_walk+0x76/0xf0
 stack_trace_save+0x8e/0xc0
 set_track_prepare+0x35/0x70
 __alloc_object+0xf0/0x2c0
 __create_object+0x1d/0x80
 kmem_cache_alloc_node_noprof+0x3ef/0x690
 kmalloc_reserve+0x189/0x2b0
 __alloc_skb+0x161/0x370
 netlink_alloc_large_skb+0x69/0x150
 netlink_sendmsg+0x676/0xd80
 __sys_sendto+0x506/0x570
 __x64_sys_sendto+0xe1/0x1c0
 do_syscall_64+0xbf/0x360
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f91eb3163bc
Code: ea 59 f8 ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 10 5a f8 ff 48 8b
RSP: 002b:00007ffe334965b0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000073 RCX: 00007f91eb3163bc
RDX: 0000000000000084 RSI: 00007ffe33496620 RDI: 0000000000000027
RBP: 0000000000000000 R08: 00007ffe3349660c R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000027
R13: 00007ffe33496620 R14: 00007ffe3349660c R15: 000000000000046b
 </TASK>
irq event stamp: 5980572
hardirqs last  enabled at (5980580): [<ffffffff81541b18>] __up_console_sem+0x78/0x80
hardirqs last disabled at (5980589): [<ffffffff81541afd>] __up_console_sem+0x5d/0x80
softirqs last  enabled at (5979414): [<ffffffff813bafcc>] handle_softirqs+0x50c/0x770
softirqs last disabled at (5979695): [<ffffffff813bb364>] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88803d6a1800 pointer offset 0 size 64
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	84 00                	test   %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	00 00                	add    %al,(%rax)
   6:	0f 1f 40 00          	nopl   0x0(%rax)
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	90                   	nop
  12:	90                   	nop
  13:	90                   	nop
  14:	90                   	nop
  15:	90                   	nop
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	f3 0f 1e fa          	endbr64
  1e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  25:	fc ff df
  28:	55                   	push   %rbp
* 29:	53                   	push   %rbx <-- trapping instruction
  2a:	48 89 fb             	mov    %rdi,%rbx
  2d:	48 83 c7 10          	add    $0x10,%rdi
  31:	48 89 fa             	mov    %rdi,%rdx
  34:	48 c1 ea 03          	shr    $0x3,%rdx
  38:	48 83 ec 08          	sub    $0x8,%rsp
  3c:	0f                   	.byte 0xf
  3d:	b6 04                	mov    $0x4,%dh