------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x80 WARNING: CPU: 1 PID: 3735 at lib/debugobjects.c:515 debug_print_object lib/debugobjects.c:512 [inline] WARNING: CPU: 1 PID: 3735 at lib/debugobjects.c:515 __debug_check_no_obj_freed lib/debugobjects.c:999 [inline] WARNING: CPU: 1 PID: 3735 at lib/debugobjects.c:515 debug_check_no_obj_freed+0x451/0x610 lib/debugobjects.c:1030 Modules linked in: CPU: 1 PID: 3735 Comm: syz-executor.0 Not tainted 5.15.110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:debug_print_object lib/debugobjects.c:512 [inline] RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:999 [inline] RIP: 0010:debug_check_no_obj_freed+0x451/0x610 lib/debugobjects.c:1030 Code: 74 08 48 89 ef e8 bf 6a be fd 48 8b 13 4c 8b 45 00 48 c7 c7 e0 61 d8 8a 48 c7 c6 a0 5e d8 8a 44 89 f1 4d 89 f9 e8 af ee 40 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 8b 74 24 38 ff 05 04 08 d9 RSP: 0018:ffffc9000366f098 EFLAGS: 00010246 RAX: 80529bdd857b0300 RBX: ffffffff8ad86258 RCX: ffff888024893a00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffffff8a8c7b20 R08: ffffffff8166344c R09: ffffed10173667a0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8a8c7b20 R13: ffff88801fe0b640 R14: 0000000000000000 R15: ffffffff815272d0 FS: 00007fbe6e7d2700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f329aa15718 CR3: 000000006e4c8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: slab_free_hook mm/slub.c:1680 [inline] slab_free_freelist_hook+0x86/0x160 mm/slub.c:1731 slab_free mm/slub.c:3499 [inline] kfree+0xf1/0x270 mm/slub.c:4559 device_release+0x91/0x1c0 kobject_cleanup lib/kobject.c:713 [inline] kobject_release lib/kobject.c:744 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x224/0x460 lib/kobject.c:761 netdev_run_todo+0xaaf/0xc40 net/core/dev.c:10633 rtnl_unlock net/core/rtnetlink.c:112 [inline] rtnetlink_rcv_msg+0x99a/0xee0 net/core/rtnetlink.c:5588 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2533 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1952 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fbe6f4a2169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbe6e7d2168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fbe6f5c2120 RCX: 00007fbe6f4a2169 RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000007 RBP: 00007fbe6f4fdca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc2c4e0c4f R14: 00007fbe6e7d2300 R15: 0000000000022000