T68] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 19.593003][ T68] ? __pfx_cleanup_net+0x10/0x10 [ 19.593142][ T68] ? trace_lock_acquire+0x148/0x1f0 [ 19.593283][ T68] ? lock_acquire+0x32/0xc0 [ 19.593422][ T68] ? process_one_work+0xe0b/0x16d0 [ 19.593561][ T68] process_one_work+0xe55/0x16d0 [ 19.593701][ T68] ? __pfx___lock_release+0x10/0x10 [ 19.593841][ T68] ? __pfx_process_one_work+0x10/0x10 [ 19.593980][ T68] ? assign_work+0x16c/0x240 [ 19.594116][ T68] worker_thread+0x58c/0xce0 [ 19.594258][ T68] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 19.594443][ T68] ? __pfx_worker_thread+0x10/0x10 [ 19.594576][ T68] ? __pfx_worker_thread+0x10/0x10 [ 19.594711][ T68] kthread+0x28a/0x350 [ 19.594815][ T68] ? __pfx_kthread+0x10/0x10 [ 19.594953][ T68] ret_from_fork+0x31/0x70 [ 19.595088][ T68] ? __pfx_kthread+0x10/0x10 [ 19.595223][ T68] ret_from_fork_asm+0x1a/0x30 [ 19.595364][ T68] [ 19.595472][ T68] [ 19.595542][ T68] Allocated by task 250: [ 19.595648][ T68] kasan_save_stack+0x24/0x50 [ 19.595785][ T68] kasan_save_track+0x14/0x30 [ 19.595919][ T68] __kasan_slab_alloc+0x59/0x70 [ 19.596052][ T68] kmem_cache_alloc_noprof+0x10b/0x350 [ 19.596188][ T68] copy_net_ns+0xc6/0x340 [ 19.596289][ T68] create_new_namespaces+0x35f/0x920 [ 19.596430][ T68] unshare_nsproxy_namespaces+0x8d/0x130 [ 19.596567][ T68] ksys_unshare+0x2a9/0x660 [ 19.596706][ T68] __x64_sys_unshare+0x31/0x40 [ 19.596839][ T68] do_syscall_64+0xc1/0x1d0 [ 19.596978][ T68] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 19.597160][ T68] [ 19.597230][ T68] Freed by task 68: [ 19.597331][ T68] kasan_save_stack+0x24/0x50 [ 19.597469][ T68] kasan_save_track+0x14/0x30 [ 19.597604][ T68] kasan_save_free_info+0x3b/0x60 [ 19.597742][ T68] __kasan_slab_free+0x38/0x50 [ 19.597877][ T68] kmem_cache_free+0xf8/0x330 [ 19.598013][ T68] cleanup_net+0x5a8/0xa40 [ 19.598151][ T68] process_one_work+0xe55/0x16d0 [ 19.598285][ T68] worker_thread+0x58c/0xce0 [ 19.598418][ T68] kthread+0x28a/0x350 [ 19.598525][ T68] ret_from_fork+0x31/0x70 [ 19.598660][ T68] ret_from_fork_asm+0x1a/0x30 [ 19.598795][ T68] [ 19.598865][ T68] Last potentially related work creation: [ 19.598999][ T68] kasan_save_stack+0x24/0x50 [ 19.599138][ T68] __kasan_record_aux_stack+0x8e/0xa0 [ 19.599276][ T68] insert_work+0x34/0x230 [ 19.599380][ T68] __queue_work+0x5fd/0xa40 [ 19.599517][ T68] queue_delayed_work_on+0x8c/0xa0 [ 19.599653][ T68] __inet_insert_ifa+0x751/0xb10 [ 19.599791][ T68] inet_rtm_newaddr+0x833/0xbd0 [ 19.599928][ T68] rtnetlink_rcv_msg+0x712/0xc10 [ 19.600066][ T68] netlink_rcv_skb+0x130/0x360 [ 19.600209][ T68] netlink_unicast+0x44b/0x710 [ 19.600347][ T68] netlink_sendmsg+0x723/0xbe0 [ 19.600482][ T68] ____sys_sendmsg+0x7ac/0xa10 [ 19.600634][ T68] ___sys_sendmsg+0xee/0x170 [ 19.600773][ T68] __sys_sendmsg+0x109/0x1a0 [ 19.600911][ T68] do_syscall_64+0xc1/0x1d0 [ 19.601048][ T68] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 19.601233][ T68] [ 19.601303][ T68] Second to last potentially related work creation: [ 19.601472][ T68] kasan_save_stack+0x24/0x50 [ 19.601612][ T68] __kasan_record_aux_stack+0x8e/0xa0 [ 19.601755][ T68] insert_work+0x34/0x230 [ 19.601860][ T68] __queue_work+0x5fd/0xa40 [ 19.601998][ T68] queue_delayed_work_on+0x8c/0xa0 [ 19.602136][ T68] __inet_insert_ifa+0x751/0xb10 [ 19.602274][ T68] inetdev_event+0xb18/0xcf0 [ 19.602416][ T68] notifier_call_chain+0xcd/0x150 [ 19.602559][ T68] __dev_notify_flags+0xe6/0x250 [ 19.602701][ T68] dev_change_flags+0xec/0x160 [ 19.602841][ T68] do_setlink.constprop.0+0x79d/0x2300 [ 19.602980][ T68] rtnl_newlink+0x6de/0xa80 [ 19.603119][ T68] rtnetlink_rcv_msg+0x712/0xc10 [ 19.603258][ T68] netlink_rcv_skb+0x130/0x360 [ 19.603395][ T68] netlink_unicast+0x44b/0x710 [ 19.603533][ T68] netlink_sendmsg+0x723/0xbe0 [ 19.603669][ T68] ____sys_sendmsg+0x7ac/0xa10 [ 19.603807][ T68] ___sys_sendmsg+0xee/0x170 [ 19.603948][ T68] __sys_sendmsg+0x109/0x1a0 [ 19.604087][ T68] do_syscall_64+0xc1/0x1d0 [ 19.604223][ T68] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 19.604393][ T68] [ 19.604463][ T68] The buggy address belongs to the object at ffff8880093e8040 [ 19.604463][ T68] which belongs to the cache net_namespace of size 6592 [ 19.604821][ T68] The buggy address is located 184 bytes inside of [ 19.604821][ T68] freed 6592-byte region [ffff8880093e8040, ffff8880093e9a00) [ 19.605157][ T68] [ 19.605226][ T68] The buggy address belongs to the physical page: [ 19.605392][ T68] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880093eb6c0 pfn:0x93e8 [ 19.605666][ T68] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.605874][ T68] flags: 0x80000000000240(workingset|head|node=0|zone=1) [ 19.606047][ T68] page_type: f5(slab) [ 19.606155][ T68] raw: 0080000000000240 ffff888001963240 ffff888001968088 ffff888001968088 [ 19.606402][ T68] raw: ffff8880093eb6c0 0000000000040002 00000001f5000000 0000000000000000 [ 19.606657][ T68] head: 0080000000000240 ffff888001963240 ffff888001968088 ffff888001968088 [ 19.606899][ T68] head: ffff8880093eb6c0 0000000000040002 00000001f5000000 0000000000000000 [ 19.607148][ T68] head: 0080000000000003 ffffea000024fa01 ffffffffffffffff 0000000000000000 [ 19.607385][ T68] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 19.607625][ T68] page dumped because: kasan: bad access detected [ 19.607797][ T68] [ 19.607866][ T68] Memory state around the buggy address: [ 19.608001][ T68] ffff8880093e7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.608200][ T68] ffff8880093e8000: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb [ 19.608396][ T68] >ffff8880093e8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.608599][ T68] ^ [ 19.608796][ T68] ffff8880093e8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.608992][ T68] ffff8880093e8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.609191][ T68] ================================================================== [ 19.609413][ T68] Disabling lock debugging due to kernel taint [ 26.316437][ T421] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this. [ 26.337166][ T421] Bridge firewalling registered [ 26.742593][ T431] 8021q: 802.1Q VLAN Support v1.8 [ 27.281611][ T439] br0: port 1(vtep-host) entered blocking state [ 27.281845][ T439] br0: port 1(vtep-host) entered disabled state [ 27.282077][ T439] vtep-host: entered allmulticast mode [ 27.283592][ T439] vtep-host: entered promiscuous mode [ 27.781679][ T446] br0: port 2(vxd) entered blocking state [ 27.781870][ T446] br0: port 2(vxd) entered disabled state [ 27.782055][ T446] vxd: entered allmulticast mode [ 27.783525][ T446] vxd: entered promiscuous mode [ 28.499098][ T457] br0: port 2(vxd) entered blocking state [ 28.499335][ T457] br0: port 2(vxd) entered forwarding state [ 28.499717][ T457] br0: port 1(vtep-host) entered blocking state [ 28.499922][ T457] br0: port 1(vtep-host) entered forwarding state [ 31.250733][ T68] vxd: left allmulticast mode [ 31.250961][ T68] vxd: left promiscuous mode [ 31.251299][ T68] br0: port 2(vxd) entered disabled state [ 31.252635][ T68] vtep-host: left allmulticast mode [ 31.252811][ T68] vtep-host: left promiscuous mode [ 31.253077][ T68] br0: port 1(vtep-host) entered disabled state