------------[ 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: 10120 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline]
WARNING: CPU: 0 PID: 10120 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:979 [inline]
WARNING: CPU: 0 PID: 10120 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x43c/0x530 lib/debugobjects.c:1009
Modules linked in:
CPU: 0 PID: 10120 Comm: udevd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
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 a8 74 c5 fd 4c 8b 45 00 48 c7 c7 80 02 bf 8a 48 c7 c6 40 ff be 8a 48 c7 c2 e0 03 bf 8a 8b 0c 24 4d 89 e9 e8 b4 5e 41 fd <0f> 0b 4c 8b 6c 24 18 48 b9 00 00 00 00 00 fc ff df ff 05 55 a6 f3
RSP: 0018:ffffc90000007a10 EFLAGS: 00010246
RAX: 78134ca536cf5800 RBX: ffffffff96c8e250 RCX: ffff88807b780000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: ffffffff8a6de320 R08: dffffc0000000000 R09: fffff52000000ed1
R10: fffff52000000ed1 R11: 1ffff92000000ed0 R12: ffff8880244fda00
R13: ffffffff8911f750 R14: ffff8880244fd000 R15: ffff8880244fd890
FS:  00007fdecf5d4880(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdecf5c3000 CR3: 000000001a282000 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:1701
 expire_timers kernel/time/timer.c:1752 [inline]
 __run_timers+0x529/0x7d0 kernel/time/timer.c:2023
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:2036
 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:lock_release+0x593/0x910 kernel/locking/lockdep.c:5686
Code: 00 00 00 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 75 75 f7 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 2f 00 00 00 00 66 43 c7 44 2f 09 00 00 43 c6 44 2f 0b 00
RSP: 0018:ffffc900045e7ba0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 2bf40bc5435b85fc RCX: 78134ca536cf5800
RDX: 0000000000000002 RSI: ffffffff8a6c1780 RDI: ffffffff8abef920
RBP: ffffc900045e7cc0 R08: dffffc0000000000 R09: fffffbfff1bfe1c6
R10: fffffbfff1bfe1c6 R11: 1ffffffff1bfe1c5 R12: ffff88807b780b30
R13: dffffc0000000000 R14: ffff88807b780ad0 R15: 1ffff920008bcf80
 __raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
 _raw_spin_unlock+0x12/0x40 kernel/locking/spinlock.c:186
 spin_unlock include/linux/spinlock.h:391 [inline]
 d_alloc+0x1e7/0x250 fs/dcache.c:1867
 lookup_one_qstr_excl+0xc6/0x240 fs/namei.c:1609
 filename_create+0x21e/0x450 fs/namei.c:3885
 do_symlinkat+0xb9/0x3f0 fs/namei.c:4498
 __do_sys_symlink fs/namei.c:4530 [inline]
 __se_sys_symlink fs/namei.c:4528 [inline]
 __x64_sys_symlink+0x7a/0x90 fs/namei.c:4528
 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: 0033:0x7fdecef15527
Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 8b 15 c9 b8 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 58 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 a1 b8 0d 00 f7 d8 64 89 02 b8
RSP: 002b:00007ffd516d5308 EFLAGS: 00000206 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 000055792d97f410 RCX: 00007fdecef15527
RDX: 0000000000000000 RSI: 000055792d97f410 RDI: 00007ffd516d53c0
RBP: 000055792d97f42d R08: 000055792d997be0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd516d6455
R13: 00007ffd516d53c0 R14: 0000557923db76d7 R15: 00007ffd516d6450
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	9c                   	pushf
   5:	8f 84 24 80 00 00 00 	pop    0x80(%rsp)
   c:	f6 84 24 81 00 00 00 	testb  $0x2,0x81(%rsp)
  13:	02
  14:	75 75                	jne    0x8b
  16:	f7 44 24 50 00 02 00 	testl  $0x200,0x50(%rsp)
  1d:	00
  1e:	74 01                	je     0x21
  20:	fb                   	sti
  21:	48 c7 44 24 60 0e 36 	movq   $0x45e0360e,0x60(%rsp)
  28:	e0 45
* 2a:	4b c7 04 2f 00 00 00 	movq   $0x0,(%r15,%r13,1) <-- trapping instruction
  31:	00
  32:	66 43 c7 44 2f 09 00 	movw   $0x0,0x9(%r15,%r13,1)
  39:	00
  3a:	43 c6 44 2f 0b 00    	movb   $0x0,0xb(%r15,%r13,1)