------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: rose_transmit_restart_request net/rose/rose_link.c:-1 [inline]
ODEBUG: free active (active state 0) object type: timer_list hint: rose_t0timer_expiry+0x0/0x350 net/rose/rose_link.c:284
WARNING: CPU: 0 PID: 4269 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 0 PID: 4269 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:979 [inline]
WARNING: CPU: 0 PID: 4269 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x43c/0x530 lib/debugobjects.c:1009
Modules linked in:
CPU: 0 PID: 4269 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:debug_print_object lib/debugobjects.c:515 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:979 [inline]
RIP: 0010:debug_check_no_obj_freed+0x43c/0x530 lib/debugobjects.c:1009
Code: ef e8 38 79 c5 fd 4c 8b 45 00 48 c7 c7 80 06 df 8a 48 c7 c6 40 03 df 8a 48 c7 c2 e0 07 df 8a 8b 0c 24 4d 89 e9 e8 04 78 41 fd <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 75 17 14
RSP: 0018:ffffc90000007a10 EFLAGS: 00010246
RAX: 4465cdd898231900 RBX: ffffffff96df7020 RCX: ffff888030165940
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffffff8a8de220 R08: dffffc0000000000 R09: fffff52000000ed1
R10: fffff52000000ed1 R11: 1ffff92000000ed0 R12: ffff888057fe7600
R13: ffffffff89192300 R14: ffff888057fe7000 R15: ffff888057fe7490
FS:  0000555594379500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4168d6b000 CR3: 000000005bdf3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 slab_free_hook mm/slub.c:1704 [inline]
 slab_free_freelist_hook+0xd2/0x1a0 mm/slub.c:1755
 slab_free mm/slub.c:3687 [inline]
 __kmem_cache_free+0xb6/0x1f0 mm/slub.c:3700
 rose_neigh_put include/net/rose.h:166 [inline]
 rose_timer_expiry+0x4a7/0x5d0 net/rose/rose_timer.c:183
 call_timer_fn+0x1a0/0x670 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x525/0x7c0 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2a1/0x920 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x12f/0x220 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:format_decode+0x90a/0x1330 lib/vsprintf.c:2621
Code: 0f b6 04 18 84 c0 4c 8b 64 24 20 74 5f 48 8b 4c 24 08 80 e1 07 38 c1 7c 53 be 08 00 00 00 48 8b 7c 24 08 e8 28 47 c8 f7 eb 42 <e8> 31 19 78 f7 48 b8 00 ff ff ff ff 0a ff ff 4c 8b 7c 24 28 49 21
RSP: 0018:ffffc90003dd7910 EFLAGS: 00000283
RAX: 000000000000000a RBX: dffffc0000000000 RCX: 0000000000000001
RDX: ffffffff8a08b433 RSI: ffffffff8e088420 RDI: 0000000000000073
RBP: ffff0000ffffff00 R08: ffff888030165940 R09: 000000000000000a
R10: 0000000000000078 R11: 0000000000000000 R12: ffff0000ffffff00
R13: 1ffffffff15b0884 R14: ffffffff8ad84426 R15: 000000000000004e
 vsnprintf+0xef/0x1a00 lib/vsprintf.c:2757
 tomoyo_supervisor+0x121/0x10b0 security/tomoyo/common.c:2060
 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x45f/0x600 security/tomoyo/file.c:734
 security_file_ioctl+0x6c/0xa0 security/security.c:1568
 __do_sys_ioctl fs/ioctl.c:864 [inline]
 __se_sys_ioctl+0x48/0x170 fs/ioctl.c:856
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f918118eacb
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffdf38380a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000375 RCX: 00007f918118eacb
RDX: 00007ffdf3838118 RSI: 0000000040086602 RDI: 0000000000000006
RBP: 00007ffdf38381b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf38392a0
R13: 00007f9181211d7d R14: 00005555943794a8 R15: 0000000000000006
 </TASK>
----------------
Code disassembly (best guess):
   0:	0f b6 04 18          	movzbl (%rax,%rbx,1),%eax
   4:	84 c0                	test   %al,%al
   6:	4c 8b 64 24 20       	mov    0x20(%rsp),%r12
   b:	74 5f                	je     0x6c
   d:	48 8b 4c 24 08       	mov    0x8(%rsp),%rcx
  12:	80 e1 07             	and    $0x7,%cl
  15:	38 c1                	cmp    %al,%cl
  17:	7c 53                	jl     0x6c
  19:	be 08 00 00 00       	mov    $0x8,%esi
  1e:	48 8b 7c 24 08       	mov    0x8(%rsp),%rdi
  23:	e8 28 47 c8 f7       	call   0xf7c84750
  28:	eb 42                	jmp    0x6c
* 2a:	e8 31 19 78 f7       	call   0xf7781960 <-- trapping instruction
  2f:	48 b8 00 ff ff ff ff 	movabs $0xffff0affffffff00,%rax
  36:	0a ff ff
  39:	4c 8b 7c 24 28       	mov    0x28(%rsp),%r15
  3e:	49                   	rex.WB
  3f:	21                   	.byte 0x21