device hsr_slave_0 left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
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: slab-out-of-bounds in inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
BUG: KASAN: slab-out-of-bounds in icmp_sk_exit+0x1ce/0x1f0 net/ipv4/icmp.c:1188
Read of size 8 at addr ffff8880957b0974 by task kworker/u4:1/21

CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.2.0-rc2+ #10
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:188
 __kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 kasan_report+0x12/0x20 mm/kasan/common.c:614
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:132
 inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
 icmp_sk_exit+0x1ce/0x1f0 net/ipv4/icmp.c:1188
 ops_exit_list.isra.0+0xaa/0x150 net/core/net_namespace.c:154
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:553
 process_one_work+0x989/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x354/0x420 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352

Allocated by task 21820:
 save_stack+0x23/0x90 mm/kasan/common.c:71
 set_track mm/kasan/common.c:79 [inline]
 __kasan_kmalloc mm/kasan/common.c:489 [inline]
 __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:462
 kasan_kmalloc+0x9/0x10 mm/kasan/common.c:503
 kmem_cache_alloc_trace+0x151/0x750 mm/slab.c:3555
 kmalloc include/linux/slab.h:547 [inline]
 kzalloc include/linux/slab.h:742 [inline]
 kernfs_iop_get_link fs/kernfs/symlink.c:136 [inline]
 kernfs_iop_get_link+0x6a/0x680 fs/kernfs/symlink.c:127
 vfs_readlink+0x201/0x3e0 fs/namei.c:4734
 do_readlinkat+0x2ab/0x320 fs/stat.c:411
 __do_sys_readlink fs/stat.c:432 [inline]
 __se_sys_readlink fs/stat.c:429 [inline]
 __x64_sys_readlink+0x78/0xb0 fs/stat.c:429
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 21820:
 save_stack+0x23/0x90 mm/kasan/common.c:71
 set_track mm/kasan/common.c:79 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/common.c:451
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:459
 __cache_free mm/slab.c:3432 [inline]
 kfree+0xcf/0x220 mm/slab.c:3755
 kfree_link+0x16/0x20 fs/libfs.c:1108
 do_delayed_call include/linux/delayed_call.h:28 [inline]
 vfs_readlink+0x16e/0x3e0 fs/namei.c:4739
 do_readlinkat+0x2ab/0x320 fs/stat.c:411
 __do_sys_readlink fs/stat.c:432 [inline]
 __se_sys_readlink fs/stat.c:429 [inline]
 __x64_sys_readlink+0x78/0xb0 fs/stat.c:429
 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff8880957b0cc0
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 844 bytes to the left of
 4096-byte region [ffff8880957b0cc0, ffff8880957b1cc0)
The buggy address belongs to the page:
page:ffffea000255ec00 refcount:1 mapcount:0 mapping:ffff8880aa400dc0 index:0x0 compound_mapcount: 0
flags: 0x1fffc0000010200(slab|head)
raw: 01fffc0000010200 ffffea0002125388 ffffea000188fe88 ffff8880aa400dc0
raw: 0000000000000000 ffff8880957b0cc0 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880957b0800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880957b0880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8880957b0900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff8880957b0980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8880957b0a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================