------------[ cut here ]------------
ODEBUG: free active (active state 0) object: ffff88807cf6ec90 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350 net/rose/rose_link.c:-1
WARNING: lib/debugobjects.c:615 at debug_print_object lib/debugobjects.c:612 [inline], CPU#1: syz.6.11725/14275
WARNING: lib/debugobjects.c:615 at __debug_check_no_obj_freed lib/debugobjects.c:1099 [inline], CPU#1: syz.6.11725/14275
WARNING: lib/debugobjects.c:615 at debug_check_no_obj_freed+0x405/0x550 lib/debugobjects.c:1129, CPU#1: syz.6.11725/14275
Modules linked in:
CPU: 1 UID: 0 PID: 14275 Comm: syz.6.11725 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:debug_print_object lib/debugobjects.c:612 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:1099 [inline]
RIP: 0010:debug_check_no_obj_freed+0x44a/0x550 lib/debugobjects.c:1129
Code: 89 44 24 20 e8 87 04 8f fd 48 8b 44 24 20 4c 8b 4d 00 4c 89 ef 48 c7 c6 a0 89 c0 8b 48 c7 c2 c0 8e c0 8b 8b 0c 24 4d 89 f8 50 <67> 48 0f b9 3a 48 83 c4 08 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc
RSP: 0000:ffffc90000a08a70 EFLAGS: 00010246
RAX: ffffffff8a4c89b0 RBX: ffffffff99b18038 RCX: 0000000000000000
RDX: ffffffff8bc08ec0 RSI: ffffffff8bc089a0 RDI: ffffffff8f8c80f0
RBP: ffffffff8b6d2440 R08: ffff88807cf6ec90 R09: ffffffff8b6d35a0
R10: dffffc0000000000 R11: ffffffff81aeb860 R12: ffff88807cf6ee00
R13: ffffffff8f8c80f0 R14: ffff88807cf6e000 R15: ffff88807cf6ec90
FS:  00007f68db7986c0(0000) GS:ffff888125f35000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f68da9750e0 CR3: 000000001ffd0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 slab_free_hook mm/slub.c:2471 [inline]
 slab_free mm/slub.c:6668 [inline]
 kfree+0x13b/0x660 mm/slub.c:6876
 rose_neigh_put include/net/rose.h:166 [inline]
 rose_timer_expiry+0x4cb/0x600 net/rose/rose_timer.c:183
 call_timer_fn+0x16e/0x590 kernel/time/timer.c:1748
 expire_timers kernel/time/timer.c:1799 [inline]
 __run_timers kernel/time/timer.c:2373 [inline]
 __run_timer_base+0x61a/0x860 kernel/time/timer.c:2385
 run_timer_base kernel/time/timer.c:2394 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404
 handle_softirqs+0x27d/0x850 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:1056 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_is_held_type+0x137/0x190 kernel/locking/lockdep.c:5945
Code: 01 75 44 48 c7 04 24 00 00 00 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 05 49 ea 22 07 <48> 3b 44 24 08 75 43 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f
RSP: 0000:ffffc90004d67858 EFLAGS: 00000206
RAX: d2742a6e77bc3100 RBX: 0000000000000001 RCX: d2742a6e77bc3100
RDX: ffff88802abc8000 RSI: ffffffff8d979282 RDI: ffffffff8bc08360
RBP: 00000000ffffffff R08: ffffea0001f705c7 R09: 1ffffd40003ee0b8
R10: dffffc0000000000 R11: fffff940003ee0b9 R12: 0000000000000246
R13: ffff88802abc8000 R14: ffffffff8df41a20 R15: 0000000000000001
 xa_entry include/linux/xarray.h:1226 [inline]
 xas_reload+0x19f/0x470 include/linux/xarray.h:1624
 next_uptodate_folio+0x15f/0x5d0 mm/filemap.c:3714
 filemap_map_pages+0x14d7/0x1fd0 mm/filemap.c:3929
 do_fault_around mm/memory.c:5713 [inline]
 do_read_fault mm/memory.c:5746 [inline]
 do_fault mm/memory.c:5889 [inline]
 do_pte_missing+0x20b0/0x3330 mm/memory.c:4401
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault mm/memory.c:6411 [inline]
 handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580
 do_user_addr_fault+0xa7c/0x1380 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f68da9750e0
Code: 4c 89 c0 c5 f8 77 c3 0f 1f 00 f3 0f bc c0 48 39 c6 0f 42 c6 c5 f8 77 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 84 00 00 00 00 00 <48> 85 f6 74 37 49 89 f0 89 f8 48 89 fa c5 f9 ef c0 25 ff 0f 00 00
RSP: 002b:00007f68db796f58 EFLAGS: 00010246
RAX: 0000000000050010 RBX: 00007f68db797024 RCX: 0000000000000000
RDX: 00002000000002c0 RSI: 000000000000000f RDI: 00002000000002c0
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 00002000000002c0 R11: 0000000000000286 R12: 00002000000002c0
R13: 00007f68db796fc0 R14: 00007f68dabe5fa0 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 44 24 20          	mov    %eax,0x20(%rsp)
   4:	e8 87 04 8f fd       	call   0xfd8f0490
   9:	48 8b 44 24 20       	mov    0x20(%rsp),%rax
   e:	4c 8b 4d 00          	mov    0x0(%rbp),%r9
  12:	4c 89 ef             	mov    %r13,%rdi
  15:	48 c7 c6 a0 89 c0 8b 	mov    $0xffffffff8bc089a0,%rsi
  1c:	48 c7 c2 c0 8e c0 8b 	mov    $0xffffffff8bc08ec0,%rdx
  23:	8b 0c 24             	mov    (%rsp),%ecx
  26:	4d 89 f8             	mov    %r15,%r8
  29:	50                   	push   %rax
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	48 83 c4 08          	add    $0x8,%rsp
  33:	4c 8b 6c 24 18       	mov    0x18(%rsp),%r13
  38:	48                   	rex.W
  39:	b9 00 00 00 00       	mov    $0x0,%ecx
  3e:	00 fc                	add    %bh,%ah