team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): Releasing backup interface bond_slave_1
bond0 (unregistering): Releasing backup interface bond_slave_0
bond0 (unregistering): Released all slaves
==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:188 [inline]
BUG: KASAN: use-after-free in rhashtable_last_table+0x216/0x240 lib/rhashtable.c:217
Read of size 8 at addr ffff88019a4c8840 by task kworker/0:4/8279

CPU: 0 PID: 8279 Comm: kworker/0:4 Not tainted 4.19.0-rc5+ #61
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events rht_deferred_worker
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 print_address_description.cold.8+0x9/0x1ff mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.9+0x242/0x309 mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 __read_once_size include/linux/compiler.h:188 [inline]
 rhashtable_last_table+0x216/0x240 lib/rhashtable.c:217
 rht_deferred_worker+0x157/0x1de0 lib/rhashtable.c:410
 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413

Allocated by task 5:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553
 __do_kmalloc_node mm/slab.c:3682 [inline]
 __kmalloc_node+0x47/0x70 mm/slab.c:3689
 kmalloc_node include/linux/slab.h:555 [inline]
 kvmalloc_node+0xb9/0xf0 mm/util.c:423
 kvmalloc include/linux/mm.h:577 [inline]
 kvzalloc include/linux/mm.h:585 [inline]
 bucket_table_alloc+0x9a/0x4e0 lib/rhashtable.c:176
 rhashtable_rehash_alloc+0x73/0x100 lib/rhashtable.c:353
 rht_deferred_worker+0x278/0x1de0 lib/rhashtable.c:413
 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413

Freed by task 8283:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/kasan.c:521
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
 __cache_free mm/slab.c:3498 [inline]
 kfree+0xcf/0x230 mm/slab.c:3813
 kvfree+0x61/0x70 mm/util.c:452
 bucket_table_free+0xda/0x250 lib/rhashtable.c:108
 rhashtable_free_and_destroy+0x152/0x900 lib/rhashtable.c:1163
 inet_frags_exit_net+0x3d/0x50 net/ipv4/inet_fragment.c:96
 ipv4_frags_exit_net+0x73/0x90 net/ipv4/ip_fragment.c:914
 ops_exit_list.isra.7+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x555/0xb10 net/core/net_namespace.c:551
 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413

The buggy address belongs to the object at ffff88019a4c8800
 which belongs to the cache kmalloc-16384 of size 16384
The buggy address is located 64 bytes inside of
 16384-byte region [ffff88019a4c8800, ffff88019a4cc800)
The buggy address belongs to the page:
page:ffffea0006693200 count:1 mapcount:0 mapping:ffff8801da802200 index:0x0 compound_mapcount: 0
flags: 0x2fffc0000008100(slab|head)
raw: 02fffc0000008100 ffffea0006685608 ffffea0006617c08 ffff8801da802200
raw: 0000000000000000 ffff88019a4c8800 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88019a4c8700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88019a4c8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88019a4c8800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                           ^
 ffff88019a4c8880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88019a4c8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================