[ 18.947995][ T251] ip (251) used greatest stack depth: 24192 bytes left
[ 20.357745][ T273] ip (273) used greatest stack depth: 24080 bytes left
[ 27.295387][ T328] br1: port 1(vx10) entered blocking state
[ 27.296255][ T328] br1: port 1(vx10) entered disabled state
[ 27.297120][ T328] vx10: entered allmulticast mode
[ 27.303418][ T328] vx10: entered promiscuous mode
[ 27.306022][ T328] br1: port 1(vx10) entered blocking state
[ 27.306891][ T328] br1: port 1(vx10) entered forwarding state
[ 27.948033][ T333] br1: port 2(vx20) entered blocking state
[ 27.948708][ T333] br1: port 2(vx20) entered disabled state
[ 27.949348][ T333] vx20: entered allmulticast mode
[ 27.954739][ T333] vx20: entered promiscuous mode
[ 27.956418][ T333] br1: port 2(vx20) entered blocking state
[ 27.957024][ T333] br1: port 2(vx20) entered forwarding state
[ 28.207149][ T335] br1: port 3(veth1) entered blocking state
[ 28.207666][ T335] br1: port 3(veth1) entered disabled state
[ 28.208140][ T335] veth1: entered allmulticast mode
[ 28.211765][ T335] veth1: entered promiscuous mode
[ 28.377668][ T36] br1: port 3(veth1) entered blocking state
[ 28.378696][ T36] br1: port 3(veth1) entered forwarding state
[ 28.719364][ T338] br1: port 4(veth2) entered blocking state
[ 28.720045][ T338] br1: port 4(veth2) entered disabled state
[ 28.720785][ T338] veth2: entered allmulticast mode
[ 28.726734][ T338] veth2: entered promiscuous mode
[ 28.892806][ T45] br1: port 4(veth2) entered blocking state
[ 28.893512][ T45] br1: port 4(veth2) entered forwarding state
[ 30.224674][ T348] 8021q: 802.1Q VLAN Support v1.8
[ 30.870138][ T352] br1: entered promiscuous mode
[ 30.877878][ T352] br1: left promiscuous mode
[ 30.887644][ T352] br1: entered promiscuous mode
[ 40.578346][ T425] br1: port 1(vx10) entered blocking state
[ 40.579024][ T425] br1: port 1(vx10) entered disabled state
[ 40.581410][ T425] vx10: entered allmulticast mode
[ 40.585058][ T425] vx10: entered promiscuous mode
[ 40.615544][ T425] br1: port 1(vx10) entered blocking state
[ 40.616110][ T425] br1: port 1(vx10) entered forwarding state
[ 41.179930][ T429] br1: port 2(vx20) entered blocking state
[ 41.180737][ T429] br1: port 2(vx20) entered disabled state
[ 41.181309][ T429] vx20: entered allmulticast mode
[ 41.185029][ T429] vx20: entered promiscuous mode
[ 41.185994][ T429] br1: port 2(vx20) entered blocking state
[ 41.186850][ T429] br1: port 2(vx20) entered forwarding state
[ 41.460688][ T431] br1: port 3(w1) entered blocking state
[ 41.461346][ T431] br1: port 3(w1) entered disabled state
[ 41.461969][ T431] w1: entered allmulticast mode
[ 41.468141][ T431] w1: entered promiscuous mode
[ 41.659545][ T36] br1: port 3(w1) entered blocking state
[ 41.659957][ T36] br1: port 3(w1) entered forwarding state
[ 41.959822][ T434] br1: port 4(w3) entered blocking state
[ 41.960488][ T434] br1: port 4(w3) entered disabled state
[ 41.961119][ T434] w3: entered allmulticast mode
[ 41.967504][ T434] w3: entered promiscuous mode
[ 42.157044][ T36] br1: port 4(w3) entered blocking state
[ 42.157680][ T36] br1: port 4(w3) entered forwarding state
[ 43.672102][ T444] br1: entered promiscuous mode
[ 43.675768][ T444] br1: left promiscuous mode
[ 43.681363][ T444] br1: entered promiscuous mode
[ 44.749572][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 44.751543][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 44.980115][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 45.134184][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.324116][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.327689][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.328618][ C3] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected!
[ 45.388741][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.390880][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 46.324943][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 75.200425][ T68] w3: left allmulticast mode
[ 75.201117][ T68] w3: left promiscuous mode
[ 75.202267][ T68] br1: port 4(w3) entered disabled state
[ 75.211453][ T68] w1: left allmulticast mode
[ 75.212007][ T68] w1: left promiscuous mode
[ 75.212865][ T68] br1: port 3(w1) entered disabled state
[ 75.218766][ T68] vx20: left allmulticast mode
[ 75.219312][ T68] vx20: left promiscuous mode
[ 75.222500][ T68] br1: port 2(vx20) entered disabled state
[ 75.227230][ T68] vx10: left allmulticast mode
[ 75.228468][ T68] vx10: left promiscuous mode
[ 75.229307][ T68] br1: port 1(vx10) entered disabled state
[ 75.428796][ T68] ==================================================================
[ 75.429121][ T68] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 75.429401][ T68] Read of size 1 at addr ffff8880116816ac by task kworker/u16:1/68
[ 75.429673][ T68]
[ 75.429767][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 75.429773][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.429776][ T68] Workqueue: netns cleanup_net
[ 75.429785][ T68] Call Trace:
[ 75.429788][ T68]
[ 75.429790][ T68] dump_stack_lvl+0x82/0xc0
[ 75.429797][ T68] print_address_description.constprop.0+0x2c/0x3a0
[ 75.429804][ T68] ? kobject_put+0xbb/0xd0
[ 75.429808][ T68] print_report+0xb4/0x270
[ 75.429811][ T68] ? kobject_put+0xbb/0xd0
[ 75.429814][ T68] ? kasan_addr_to_slab+0x21/0x70
[ 75.429818][ T68] ? kobject_put+0xbb/0xd0
[ 75.429821][ T68] kasan_report+0xca/0x100
[ 75.429824][ T68] ? kobject_put+0xbb/0xd0
[ 75.429830][ T68] kobject_put+0xbb/0xd0
[ 75.429834][ T68] netdev_run_todo+0x5f0/0xc60
[ 75.429838][ T68] ? rtnl_is_locked+0x15/0x20
[ 75.429844][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 75.429847][ T68] ? generic_xdp_install+0x410/0x410
[ 75.429854][ T68] ops_undo_list+0x714/0x890
[ 75.429858][ T68] ? netns_get+0x110/0x110
[ 75.429861][ T68] ? cleanup_net+0x2d6/0x830
[ 75.429870][ T68] cleanup_net+0x3b2/0x830
[ 75.429873][ T68] ? net_passive_dec+0x190/0x190
[ 75.429878][ T68] ? rcu_is_watching+0x12/0xb0
[ 75.429889][ T68] process_one_work+0xe35/0x1650
[ 75.429900][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 75.429906][ T68] ? assign_work+0x168/0x240
[ 75.429910][ T68] worker_thread+0x591/0xcf0
[ 75.429915][ T68] ? rescuer_thread+0xd10/0xd10
[ 75.429919][ T68] kthread+0x37b/0x5f0
[ 75.429926][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.429929][ T68] ? ret_from_fork+0x1b/0x270
[ 75.429935][ T68] ? __lock_release+0x5d/0x170
[ 75.429944][ T68] ? rcu_is_watching+0x12/0xb0
[ 75.429948][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.429951][ T68] ret_from_fork+0x1db/0x270
[ 75.429954][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.429956][ T68] ret_from_fork_asm+0x11/0x20
[ 75.429971][ T68]
[ 75.429973][ T68]
[ 75.437842][ T68] Allocated by task 444:
[ 75.438003][ T68] kasan_save_stack+0x24/0x40
[ 75.438235][ T68] kasan_save_track+0x14/0x30
[ 75.438465][ T68] __kasan_kmalloc+0x7b/0x90
[ 75.438657][ T68] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 75.438892][ T68] alloc_netdev_mqs+0x7d/0x1370
[ 75.439119][ T68] rtnl_create_link+0xa9e/0xe20
[ 75.439326][ T68] rtnl_newlink_create+0x203/0x770
[ 75.439528][ T68] __rtnl_newlink+0x231/0xa30
[ 75.439727][ T68] rtnl_newlink+0x693/0xa60
[ 75.439925][ T68] rtnetlink_rcv_msg+0x709/0xc00
[ 75.440120][ T68] netlink_rcv_skb+0x121/0x340
[ 75.440319][ T68] netlink_unicast+0x4aa/0x780
[ 75.440523][ T68] netlink_sendmsg+0x714/0xbd0
[ 75.440719][ T68] ____sys_sendmsg+0x3dd/0x890
[ 75.440917][ T68] ___sys_sendmsg+0xed/0x170
[ 75.441113][ T68] __sys_sendmsg+0x10b/0x1a0
[ 75.441309][ T68] do_syscall_64+0xc1/0xfd0
[ 75.441539][ T68] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 75.441764][ T68]
[ 75.441859][ T68] Freed by task 68:
[ 75.442030][ T68] kasan_save_stack+0x24/0x40
[ 75.442236][ T68] kasan_save_track+0x14/0x30
[ 75.442446][ T68] __kasan_save_free_info+0x3b/0x60
[ 75.442645][ T68] __kasan_slab_free+0x3f/0x60
[ 75.442844][ T68] kfree+0x21d/0x540
[ 75.442993][ T68] device_release+0x9c/0x210
[ 75.443209][ T68] kobject_cleanup+0xfe/0x360
[ 75.443409][ T68] netdev_run_todo+0x81f/0xc60
[ 75.443625][ T68] ops_undo_list+0x714/0x890
[ 75.443833][ T68] cleanup_net+0x3b2/0x830
[ 75.444035][ T68] process_one_work+0xe35/0x1650
[ 75.444239][ T68] worker_thread+0x591/0xcf0
[ 75.444436][ T68] kthread+0x37b/0x5f0
[ 75.444590][ T68] ret_from_fork+0x1db/0x270
[ 75.444787][ T68] ret_from_fork_asm+0x11/0x20
[ 75.444992][ T68]
[ 75.445094][ T68] The buggy address belongs to the object at ffff888011681000
[ 75.445094][ T68] which belongs to the cache kmalloc-4k of size 4096
[ 75.445579][ T68] The buggy address is located 1708 bytes inside of
[ 75.445579][ T68] freed 4096-byte region [ffff888011681000, ffff888011682000)
[ 75.446083][ T68]
[ 75.446210][ T68] The buggy address belongs to the physical page:
[ 75.446462][ T68] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11680
[ 75.446831][ T68] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 75.447145][ T68] flags: 0x80000000000040(head|node=0|zone=1)
[ 75.447404][ T68] page_type: f5(slab)
[ 75.447653][ T68] raw: 0080000000000040 ffff888001043700 ffffea0000370010 ffffea0000244a10
[ 75.448028][ T68] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 75.448417][ T68] head: 0080000000000040 ffff888001043700 ffffea0000370010 ffffea0000244a10
[ 75.448773][ T68] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 75.449134][ T68] head: 0080000000000003 ffffea000045a001 00000000ffffffff 00000000ffffffff
[ 75.449484][ T68] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 75.449846][ T68] page dumped because: kasan: bad access detected
[ 75.450102][ T68]
[ 75.450189][ T68] Memory state around the buggy address:
[ 75.450382][ T68] ffff888011681580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 75.450662][ T68] ffff888011681600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 75.451063][ T68] >ffff888011681680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 75.451349][ T68] ^
[ 75.451540][ T68] ffff888011681700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 75.451822][ T68] ffff888011681780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 75.452117][ T68] ==================================================================
[ 75.452657][ T68] Disabling lock debugging due to kernel taint
[ 75.452920][ T68] ------------[ cut here ]------------
[ 75.453110][ T68] refcount_t: underflow; use-after-free.
[ 75.453358][ T68] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 75.453721][ T68] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[ 75.454235][ T68] CPU: 0 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 75.454774][ T68] Tainted: [B]=BAD_PAGE
[ 75.454942][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 75.455296][ T68] Workqueue: netns cleanup_net
[ 75.455521][ T68] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 75.455769][ T68] Code: 7d 93 02 80 fb 01 0f 87 bb 99 d9 fe 83 e3 01 0f 85 51 ff ff ff c6 05 a8 7d 93 02 01 90 48 c7 c7 60 8d 45 90 e8 32 bf 18 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 b0 63 a1 ff e9 ba fe ff ff
[ 75.456871][ T68] RSP: 0018:ffffc90000497a08 EFLAGS: 00010282
[ 75.457238][ T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 75.457561][ T68] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 75.457860][ T68] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff21be134
[ 75.458420][ T68] R10: 0000000000000003 R11: ffffc90000497580 R12: 0000000000000001
[ 75.458740][ T68] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 75.459030][ T68] FS: 0000000000000000(0000) GS:ffff8880a3ff2000(0000) knlGS:0000000000000000
[ 75.459475][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 75.459726][ T68] CR2: 000055cd56f0ddec CR3: 0000000005511003 CR4: 0000000000772ef0
[ 75.460033][ T68] PKRU: 55555554
[ 75.460192][ T68] Call Trace:
[ 75.460345][ T68]
[ 75.460475][ T68] netdev_run_todo+0x5f0/0xc60
[ 75.460672][ T68] ? rtnl_is_locked+0x15/0x20
[ 75.460883][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 75.461076][ T68] ? generic_xdp_install+0x410/0x410
[ 75.461271][ T68] ops_undo_list+0x714/0x890
[ 75.461499][ T68] ? netns_get+0x110/0x110
[ 75.461701][ T68] ? cleanup_net+0x2d6/0x830
[ 75.461901][ T68] cleanup_net+0x3b2/0x830
[ 75.462098][ T68] ? net_passive_dec+0x190/0x190
[ 75.462400][ T68] ? rcu_is_watching+0x12/0xb0
[ 75.462612][ T68] process_one_work+0xe35/0x1650
[ 75.462823][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 75.463122][ T68] ? assign_work+0x168/0x240
[ 75.463424][ T68] worker_thread+0x591/0xcf0
[ 75.463802][ T68] ? rescuer_thread+0xd10/0xd10
[ 75.464008][ T68] kthread+0x37b/0x5f0
[ 75.464157][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.464362][ T68] ? ret_from_fork+0x1b/0x270
[ 75.464556][ T68] ? __lock_release+0x5d/0x170
[ 75.464848][ T68] ? rcu_is_watching+0x12/0xb0
[ 75.465053][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.465268][ T68] ret_from_fork+0x1db/0x270
[ 75.465475][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 75.465674][ T68] ret_from_fork_asm+0x11/0x20
[ 75.465871][ T68]
[ 75.466124][ T68] irq event stamp: 99693
[ 75.466283][ T68] hardirqs last enabled at (99693): [] irqentry_exit+0x3b/0x80
[ 75.466652][ T68] hardirqs last disabled at (99692): [] handle_softirqs+0x47f/0x610
[ 75.467090][ T68] softirqs last enabled at (99432): [] handle_softirqs+0x352/0x610
[ 75.467541][ T68] softirqs last disabled at (98265): [] irq_exit_rcu+0xab/0x100
[ 75.467975][ T68] ---[ end trace 0000000000000000 ]---
[ 76.974390][ T667] br1: left promiscuous mode
[ 77.609672][ T673] br1: port 4(veth2) entered disabled state
[ 77.707541][ T674] veth2: left allmulticast mode
[ 77.707934][ T674] veth2: left promiscuous mode
[ 77.708523][ T674] br1: port 4(veth2) entered disabled state
[ 77.896824][ T676] br1: port 3(veth1) entered disabled state
[ 78.000552][ T677] veth1: left allmulticast mode
[ 78.000910][ T677] veth1: left promiscuous mode
[ 78.001416][ T677] br1: port 3(veth1) entered disabled state
[ 78.153554][ T679] vx20: left allmulticast mode
[ 78.153845][ T679] vx20: left promiscuous mode
[ 78.154244][ T679] br1: port 2(vx20) entered disabled state
[ 78.492588][ T683] vx10: left allmulticast mode
[ 78.492849][ T683] vx10: left promiscuous mode
[ 78.493212][ T683] br1: port 1(vx10) entered disabled state