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ODEBUG: free active (active state 0) object: ffff888058df9890 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350 net/rose/rose_link.c:-1
WARNING: CPU: 1 PID: 23678 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612
Modules linked in:
CPU: 1 UID: 0 PID: 23678 Comm: syz.4.5101 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612
Code: 4c 89 ff e8 77 e4 92 fd 4d 8b 0f 48 c7 c7 80 0f bf 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 4a 4b f0 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 57 36 ea 0a 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000a08a00 EFLAGS: 00010296
RAX: 68d20fd27485bc00 RBX: dffffc0000000000 RCX: ffff8880477c5ac0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba650 R12: ffffffff8a390440
R13: ffffffff8bbf1100 R14: ffff888058df9890 R15: ffffffff8b6cf600
FS:  00007f201502f6c0(0000) GS:ffff88812623e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93a8d156c0 CR3: 0000000096b90000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
 debug_check_no_obj_freed+0x3a2/0x470 lib/debugobjects.c:1129
 slab_free_hook mm/slub.c:2470 [inline]
 slab_free mm/slub.c:6630 [inline]
 kfree+0x115/0x6d0 mm/slub.c:6837
 rose_neigh_put include/net/rose.h:166 [inline]
 rose_timer_expiry+0x4cb/0x600 net/rose/rose_timer.c:183
 call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1798 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x61a/0x860 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x286/0x870 kernel/softirq.c:622
 __do_softirq kernel/softirq.c:656 [inline]
 invoke_softirq kernel/softirq.c:496 [inline]
 __irq_exit_rcu+0xca/0x1f0 kernel/softirq.c:723
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1052
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__update_page_owner_handle+0x19a/0x570 mm/page_owner.c:247
Code: 48 c7 c0 40 87 80 99 48 c1 e8 03 48 89 44 24 30 49 be 00 00 00 00 00 fc ff df 66 41 83 fc 1f 0f 87 27 02 00 00 e8 36 e5 90 ff <4c> 89 ef 48 8b 5c 24 40 48 89 de e8 86 e7 90 ff 4c 39 eb 0f 84 cd
RSP: 0018:ffffc90011967440 EFLAGS: 00000293
RAX: ffffffff822f1f3a RBX: 000000000008535d RCX: ffff8880477c5ac0
RDX: 0000000000000000 RSI: 000000000000535d RDI: 0000000000000000
RBP: ffff88801e5a0d10 R08: ffff88801e5a0cc7 R09: 1ffff11003cb4198
R10: dffffc0000000000 R11: ffffed1003cb4199 R12: 0000000000000000
R13: 0000000000000001 R14: dffffc0000000000 R15: 0000000000000000
 __set_page_owner+0x10b/0x4c0 mm/page_owner.c:333
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x240/0x2a0 mm/page_alloc.c:1850
 prep_new_page mm/page_alloc.c:1858 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3884
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183
 __alloc_pages_noprof mm/page_alloc.c:5217 [inline]
 alloc_pages_bulk_noprof+0x560/0x710 mm/page_alloc.c:5137
 ___alloc_pages_bulk mm/kasan/shadow.c:345 [inline]
 __kasan_populate_vmalloc mm/kasan/shadow.c:370 [inline]
 kasan_populate_vmalloc+0xd1/0x270 mm/kasan/shadow.c:435
 alloc_vmap_area+0xd7a/0x14c0 mm/vmalloc.c:2098
 __get_vm_area_node+0x1f8/0x300 mm/vmalloc.c:3193
 get_vm_area+0x80/0xb0 mm/vmalloc.c:3235
 arena_map_alloc+0x256/0x520 kernel/bpf/arena.c:125
 map_create+0xaa6/0x1640 kernel/bpf/syscall.c:1512
 __sys_bpf+0x5f0/0x860 kernel/bpf/syscall.c:6131
 __do_sys_bpf kernel/bpf/syscall.c:6259 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:6257 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:6257
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f201418f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f201502f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f20143e5fa0 RCX: 00007f201418f6c9
RDX: 0000000000000050 RSI: 0000200000000480 RDI: 0000000000000000
RBP: 00007f2014211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f20143e6038 R14: 00007f20143e5fa0 R15: 00007ffc84d8c858
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c7 c0 40 87 80 99 	mov    $0xffffffff99808740,%rax
   7:	48 c1 e8 03          	shr    $0x3,%rax
   b:	48 89 44 24 30       	mov    %rax,0x30(%rsp)
  10:	49 be 00 00 00 00 00 	movabs $0xdffffc0000000000,%r14
  17:	fc ff df
  1a:	66 41 83 fc 1f       	cmp    $0x1f,%r12w
  1f:	0f 87 27 02 00 00    	ja     0x24c
  25:	e8 36 e5 90 ff       	call   0xff90e560
* 2a:	4c 89 ef             	mov    %r13,%rdi <-- trapping instruction
  2d:	48 8b 5c 24 40       	mov    0x40(%rsp),%rbx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	e8 86 e7 90 ff       	call   0xff90e7c0
  3a:	4c 39 eb             	cmp    %r13,%rbx
  3d:	0f                   	.byte 0xf
  3e:	84 cd                	test   %cl,%ch