======================================
| xx__-> [   38.027229][   T11] ==================================================================
| [ 38.027508][ T11] BUG: KASAN: slab-use-after-free in cleanup_net (net/core/net_namespace.c:462 net/core/net_namespace.c:661)
| [   38.027714][   T11] Read of size 8 at addr ffff8880088680f8 by task kworker/u16:0/11
| [   38.027890][   T11]
[   38.028144][   T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   38.028296][   T11] Workqueue: netns cleanup_net
[   38.028425][   T11] Call Trace:
[   38.028517][   T11]  <TASK>
[ 38.028584][ T11] dump_stack_lvl (lib/dump_stack.c:123)
[ 38.028712][ T11] print_address_description.constprop.0 (mm/kasan/report.c:379)
[ 38.028870][ T11] ? cleanup_net (net/core/net_namespace.c:462 net/core/net_namespace.c:661)
[ 38.028991][ T11] print_report (mm/kasan/report.c:490)
[ 38.029125][ T11] ? kasan_addr_to_slab (./include/linux/mm.h:1294 mm/kasan/../slab.h:211 mm/kasan/common.c:38)
[ 38.029249][ T11] kasan_report (mm/kasan/report.c:604)
[ 38.029343][ T11] ? cleanup_net (net/core/net_namespace.c:462 net/core/net_namespace.c:661)
[ 38.029466][ T11] cleanup_net (net/core/net_namespace.c:462 net/core/net_namespace.c:661)


Finger prints: