WARNING: CPU: 0 PID: 17516 at lib/debugobjects.c:505 debug_print_object lib/debugobjects.c:502 [inline]
WARNING: CPU: 0 PID: 17516 at lib/debugobjects.c:505 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
WARNING: CPU: 0 PID: 17516 at lib/debugobjects.c:505 debug_check_no_obj_freed+0x214/0x2b0 lib/debugobjects.c:1020
Modules linked in:
CPU: 0 PID: 17516 Comm: kworker/u4:9 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: netns cleanup_net
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : debug_print_object lib/debugobjects.c:502 [inline]
pc : __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
pc : debug_check_no_obj_freed+0x214/0x2b0 lib/debugobjects.c:1020
lr : debug_print_object lib/debugobjects.c:502 [inline]
lr : __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
lr : debug_check_no_obj_freed+0x214/0x2b0 lib/debugobjects.c:1020
sp : ffff8000143d39b0
x29: ffff8000143d39d0 x28: ffff00010d39f000 x27: ffff00010d3a0000
x26: ffff000111bba460 x25: ffff000117ba9ed8 x24: ffff80000c0cf7d0
x23: ffff00010d39f4f8 x22: ffff80000c0cf7d0 x21: 0000000000000001
x20: dead000000000100 x19: ffff00010d39e000 x18: 00000000000003c3
x17: 0000000000000000 x16: ffff80000dbe6158 x15: ffff000117b34ec0
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff000117b34ec0
x11: ff808000081c4d64 x10: 0000000000000000 x9 : edb8eeaacc114b00
x8 : edb8eeaacc114b00 x7 : ffff80000816678c x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000007 x1 : 0000000100000000 x0 : 000000000000005d
Call trace:
 debug_print_object lib/debugobjects.c:502 [inline]
 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
 debug_check_no_obj_freed+0x214/0x2b0 lib/debugobjects.c:1020
 slab_free_hook mm/slub.c:1699 [inline]
 slab_free_freelist_hook mm/slub.c:1750 [inline]
 slab_free mm/slub.c:3661 [inline]
 __kmem_cache_free+0x12c/0x314 mm/slub.c:3674
 kfree+0x9c/0x118 mm/slab_common.c:1007
 kvfree+0x40/0x50 mm/util.c:627
 netdev_freemem+0x24/0x34 net/core/dev.c:10542
 netdev_release+0x48/0x60 net/core/net-sysfs.c:1910
 device_release+0x44/0xe0
 kobject_cleanup+0xe8/0x280 lib/kobject.c:673
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x94/0xf8 lib/kobject.c:721
 netdev_run_todo+0x650/0x6f0 net/core/dev.c:10370
 rtnl_unlock+0x14/0x20 net/core/rtnetlink.c:147
 default_device_exit_batch+0x3c4/0x424 net/core/dev.c:11342
 ops_exit_list net/core/net_namespace.c:174 [inline]
 cleanup_net+0x3cc/0x648 net/core/net_namespace.c:601
 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289
 worker_thread+0x340/0x610 kernel/workqueue.c:2436
 kthread+0x12c/0x158 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863
irq event stamp: 3146840
hardirqs last  enabled at (3146839): [<ffff80000816681c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline]
hardirqs last  enabled at (3146839): [<ffff80000816681c>] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:4968
hardirqs last disabled at (3146840): [<ffff80000c084084>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3146832): [<ffff8000080102e4>] _stext+0x2e4/0x37c
softirqs last disabled at (3146571): [<ffff800008017c88>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
---[ end trace 0000000000000000 ]---