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ODEBUG: free active (active state 0) object: ffff88805a62fc90 object type: timer_list hint: rose_t0timer_expiry+0x0/0x350 net/rose/rose_link.c:-1
WARNING: CPU: 0 PID: 24576 at lib/debugobjects.c:615 debug_print_object+0x16b/0x1e0 lib/debugobjects.c:612
Modules linked in:
CPU: 0 UID: 0 PID: 24576 Comm: syz.4.5301 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 37 f9 8b fd 4d 8b 0f 48 c7 c7 80 7e c0 8b 48 8b 34 24 4c 89 ea 89 e9 4d 89 f0 41 54 e8 fa 77 e9 fc 48 83 c4 08 90 <0f> 0b 90 90 ff 05 77 08 05 0b 48 83 c4 08 5b 41 5c 41 5d 41 5e 41
RSP: 0018:ffffc90000007a00 EFLAGS: 00010296
RAX: b8fdb80145bf5900 RBX: dffffc0000000000 RCX: ffff8880242e5ac0
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa658 R12: ffffffff8a3e1880
R13: ffffffff8bc08000 R14: ffff88805a62fc90 R15: ffffffff8b6cf600
FS:  000055557c406500(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c26840a CR3: 0000000049c38000 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:2446 [inline]
 slab_free mm/slub.c:6574 [inline]
 kfree+0x115/0x6d0 mm/slub.c:6781
 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+0x283/0x870 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:702
RIP: 0010:read_tsc+0x4/0x20 arch/x86/kernel/tsc.c:1133
Code: 48 89 df e8 ce 52 bd 00 e9 e8 fe ff ff e8 d4 61 e3 09 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa <e8> a7 b4 57 00 0f 01 f9 66 90 48 c1 e2 20 48 09 d0 c3 cc cc cc cc
RSP: 0018:ffffc900129d7da0 EFLAGS: 00000246
RAX: 1ffffffff1bee2a8 RBX: ffffffff8df71540 RCX: ffff8880242e5ac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8df71540
RBP: 0000000000017bc0 R08: ffffffff8f9e1177 R09: 1ffffffff1f3c22e
R10: dffffc0000000000 R11: ffffffff8167df50 R12: 00000074aed22c3b
R13: 0000000002faf080 R14: 00007fff07be66c0 R15: dffffc0000000000
 tk_clock_read kernel/time/timekeeping.c:295 [inline]
 timekeeping_get_ns kernel/time/timekeeping.c:404 [inline]
 ktime_get+0x94/0x200 kernel/time/timekeeping.c:826
 futex_init_timeout kernel/futex/syscalls.c:182 [inline]
 __do_sys_futex kernel/futex/syscalls.c:201 [inline]
 __se_sys_futex+0x2b1/0x400 kernel/futex/syscalls.c:188
 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: 0033:0x7fa093f8eec9
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:00007fff07be65c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 000000000007a881 RCX: 00007fa093f8eec9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa0941e609c
RBP: 0000000000000032 R08: 3fffffffffffffff R09: 0000001007be68bf
R10: 00007fff07be66c0 R11: 0000000000000246 R12: 00007fa0941e609c
R13: 00007fff07be66c0 R14: 000000000007a8b3 R15: 00007fff07be66e0
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 89 df             	mov    %rbx,%rdi
   3:	e8 ce 52 bd 00       	call   0xbd52d6
   8:	e9 e8 fe ff ff       	jmp    0xfffffef5
   d:	e8 d4 61 e3 09       	call   0x9e361e6
  12:	0f 1f 40 00          	nopl   0x0(%rax)
  16:	90                   	nop
  17:	90                   	nop
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	f3 0f 1e fa          	endbr64
* 2a:	e8 a7 b4 57 00       	call   0x57b4d6 <-- trapping instruction
  2f:	0f 01 f9             	rdtscp
  32:	66 90                	xchg   %ax,%ax
  34:	48 c1 e2 20          	shl    $0x20,%rdx
  38:	48 09 d0             	or     %rdx,%rax
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3