[ 21.525096][ T326] br1: port 1(vx10) entered blocking state
[ 21.525795][ T326] br1: port 1(vx10) entered disabled state
[ 21.526376][ T326] vx10: entered allmulticast mode
[ 21.529993][ T326] vx10: entered promiscuous mode
[ 21.531015][ T326] br1: port 1(vx10) entered blocking state
[ 21.531627][ T326] br1: port 1(vx10) entered forwarding state
[ 22.140253][ T331] br1: port 2(vx20) entered blocking state
[ 22.140900][ T331] br1: port 2(vx20) entered disabled state
[ 22.141371][ T331] vx20: entered allmulticast mode
[ 22.145019][ T331] vx20: entered promiscuous mode
[ 22.146343][ T331] br1: port 2(vx20) entered blocking state
[ 22.146808][ T331] br1: port 2(vx20) entered forwarding state
[ 22.390710][ T333] br1: port 3(veth1) entered blocking state
[ 22.391144][ T333] br1: port 3(veth1) entered disabled state
[ 22.391564][ T333] veth1: entered allmulticast mode
[ 22.395249][ T333] veth1: entered promiscuous mode
[ 22.564973][ T37] br1: port 3(veth1) entered blocking state
[ 22.565628][ T37] br1: port 3(veth1) entered forwarding state
[ 22.667735][ T335] br1: port 4(veth2) entered blocking state
[ 22.668209][ T335] br1: port 4(veth2) entered disabled state
[ 22.668710][ T335] veth2: entered allmulticast mode
[ 22.672159][ T335] veth2: entered promiscuous mode
[ 22.794812][ T35] br1: port 4(veth2) entered blocking state
[ 22.795302][ T35] br1: port 4(veth2) entered forwarding state
[ 23.174730][ T340] br1: port 5(vx4001) entered blocking state
[ 23.175194][ T340] br1: port 5(vx4001) entered disabled state
[ 23.175653][ T340] vx4001: entered allmulticast mode
[ 23.179422][ T340] vx4001: entered promiscuous mode
[ 23.180317][ T340] br1: port 5(vx4001) entered blocking state
[ 23.180753][ T340] br1: port 5(vx4001) entered forwarding state
[ 24.277126][ T349] 8021q: 802.1Q VLAN Support v1.8
[ 24.679138][ T353] br1: entered promiscuous mode
[ 24.683201][ T353] br1: left promiscuous mode
[ 24.706883][ T353] br1: entered promiscuous mode
[ 26.508813][ T372] ip (372) used greatest stack depth: 23952 bytes left
[ 32.696069][ T432] br1: port 1(vx10) entered blocking state
[ 32.696581][ T432] br1: port 1(vx10) entered disabled state
[ 32.697034][ T432] vx10: entered allmulticast mode
[ 32.700544][ T432] vx10: entered promiscuous mode
[ 32.701848][ T432] br1: port 1(vx10) entered blocking state
[ 32.702310][ T432] br1: port 1(vx10) entered forwarding state
[ 33.184197][ T436] br1: port 2(vx20) entered blocking state
[ 33.184697][ T436] br1: port 2(vx20) entered disabled state
[ 33.185148][ T436] vx20: entered allmulticast mode
[ 33.188722][ T436] vx20: entered promiscuous mode
[ 33.189625][ T436] br1: port 2(vx20) entered blocking state
[ 33.190072][ T436] br1: port 2(vx20) entered forwarding state
[ 33.675857][ T440] br1: port 3(vx4001) entered blocking state
[ 33.676275][ T440] br1: port 3(vx4001) entered disabled state
[ 33.676918][ T440] vx4001: entered allmulticast mode
[ 33.680261][ T440] vx4001: entered promiscuous mode
[ 33.681058][ T440] br1: port 3(vx4001) entered blocking state
[ 33.681446][ T440] br1: port 3(vx4001) entered forwarding state
[ 33.907060][ T442] br1: port 4(w1) entered blocking state
[ 33.907431][ T442] br1: port 4(w1) entered disabled state
[ 33.908130][ T442] w1: entered allmulticast mode
[ 33.911692][ T442] w1: entered promiscuous mode
[ 34.032604][ T72] br1: port 4(w1) entered blocking state
[ 34.032970][ T72] br1: port 4(w1) entered forwarding state
[ 34.237603][ T445] br1: port 5(w3) entered blocking state
[ 34.237938][ T445] br1: port 5(w3) entered disabled state
[ 34.238270][ T445] w3: entered allmulticast mode
[ 34.241718][ T445] w3: entered promiscuous mode
[ 34.353283][ T37] br1: port 5(w3) entered blocking state
[ 34.353667][ T37] br1: port 5(w3) entered forwarding state
[ 35.347465][ T456] br1: entered promiscuous mode
[ 35.350568][ T456] br1: left promiscuous mode
[ 35.356218][ T456] br1: entered promiscuous mode
[ 36.611314][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 36.616717][ C0] IPv6: vlan20-v: IPv6 duplicate address 2001:db8:2::3 used by 00:00:5e:00:01:01 detected!
[ 36.802533][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 36.802683][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 36.804233][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 37.186865][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 37.189592][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 37.682069][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 37.720030][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 37.727461][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 57.633113][ T12] w3: left allmulticast mode
[ 57.633537][ T12] w3: left promiscuous mode
[ 57.634071][ T12] br1: port 5(w3) entered disabled state
[ 57.637771][ T12] w1: left allmulticast mode
[ 57.638092][ T12] w1: left promiscuous mode
[ 57.638572][ T12] br1: port 4(w1) entered disabled state
[ 57.640853][ T12] vx4001: left allmulticast mode
[ 57.641152][ T12] vx4001: left promiscuous mode
[ 57.643771][ T12] br1: port 3(vx4001) entered disabled state
[ 57.648506][ T12] vx20: left allmulticast mode
[ 57.648829][ T12] vx20: left promiscuous mode
[ 57.649284][ T12] br1: port 2(vx20) entered disabled state
[ 57.651814][ T12] vx10: left allmulticast mode
[ 57.652367][ T12] vx10: left promiscuous mode
[ 57.655219][ T12] br1: port 1(vx10) entered disabled state
[ 57.834041][ T12] ==================================================================
[ 57.834408][ T12] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 57.834674][ T12] Read of size 1 at addr ffff88800895c6ac by task kworker/u16:0/12
[ 57.834955][ T12]
[ 57.835097][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 57.835103][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.835106][ T12] Workqueue: netns cleanup_net
[ 57.835113][ T12] Call Trace:
[ 57.835115][ T12]
[ 57.835118][ T12] dump_stack_lvl+0x82/0xc0
[ 57.835124][ T12] print_address_description.constprop.0+0x2c/0x3a0
[ 57.835130][ T12] ? kobject_put+0xbb/0xd0
[ 57.835135][ T12] print_report+0xb4/0x270
[ 57.835137][ T12] ? kobject_put+0xbb/0xd0
[ 57.835140][ T12] ? kasan_addr_to_slab+0x21/0x70
[ 57.835144][ T12] ? kobject_put+0xbb/0xd0
[ 57.835147][ T12] kasan_report+0xca/0x100
[ 57.835150][ T12] ? kobject_put+0xbb/0xd0
[ 57.835158][ T12] kobject_put+0xbb/0xd0
[ 57.835163][ T12] netdev_run_todo+0x5f0/0xc60
[ 57.835168][ T12] ? rtnl_is_locked+0x15/0x20
[ 57.835174][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 57.835180][ T12] ? generic_xdp_install+0x410/0x410
[ 57.835192][ T12] ops_undo_list+0x714/0x890
[ 57.835201][ T12] ? netns_get+0x110/0x110
[ 57.835205][ T12] ? cleanup_net+0x2d6/0x830
[ 57.835216][ T12] cleanup_net+0x3b2/0x830
[ 57.835223][ T12] ? net_passive_dec+0x190/0x190
[ 57.835230][ T12] ? rcu_is_watching+0x12/0xb0
[ 57.835240][ T12] process_one_work+0xe35/0x1650
[ 57.835254][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 57.835265][ T12] ? assign_work+0x168/0x240
[ 57.835272][ T12] worker_thread+0x591/0xcf0
[ 57.835283][ T12] ? rescuer_thread+0xd10/0xd10
[ 57.835289][ T12] kthread+0x37b/0x5f0
[ 57.835296][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.835300][ T12] ? ret_from_fork+0x1b/0x270
[ 57.835305][ T12] ? __lock_release+0x5d/0x170
[ 57.835314][ T12] ? rcu_is_watching+0x12/0xb0
[ 57.835320][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.835326][ T12] ret_from_fork+0x1db/0x270
[ 57.835330][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.835335][ T12] ret_from_fork_asm+0x11/0x20
[ 57.835351][ T12]
[ 57.835353][ T12]
[ 57.843926][ T12] Allocated by task 456:
[ 57.844117][ T12] kasan_save_stack+0x24/0x40
[ 57.844304][ T12] kasan_save_track+0x14/0x30
[ 57.844504][ T12] __kasan_kmalloc+0x7b/0x90
[ 57.844706][ T12] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 57.844903][ T12] alloc_netdev_mqs+0x7d/0x1370
[ 57.845116][ T12] rtnl_create_link+0xa9e/0xe20
[ 57.845373][ T12] rtnl_newlink_create+0x203/0x770
[ 57.845618][ T12] __rtnl_newlink+0x231/0xa30
[ 57.845792][ T12] rtnl_newlink+0x693/0xa60
[ 57.846003][ T12] rtnetlink_rcv_msg+0x709/0xc00
[ 57.846187][ T12] netlink_rcv_skb+0x121/0x340
[ 57.846367][ T12] netlink_unicast+0x4aa/0x780
[ 57.846601][ T12] netlink_sendmsg+0x714/0xbd0
[ 57.846770][ T12] ____sys_sendmsg+0x3dd/0x890
[ 57.846940][ T12] ___sys_sendmsg+0xed/0x170
[ 57.847116][ T12] __sys_sendmsg+0x10b/0x1a0
[ 57.847295][ T12] do_syscall_64+0xc1/0xfd0
[ 57.847466][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 57.847676][ T12]
[ 57.847798][ T12] Freed by task 12:
[ 57.847953][ T12] kasan_save_stack+0x24/0x40
[ 57.848183][ T12] kasan_save_track+0x14/0x30
[ 57.848354][ T12] __kasan_save_free_info+0x3b/0x60
[ 57.848567][ T12] __kasan_slab_free+0x3f/0x60
[ 57.848772][ T12] kfree+0x21d/0x540
[ 57.848900][ T12] device_release+0x9c/0x210
[ 57.849114][ T12] kobject_cleanup+0xfe/0x360
[ 57.849301][ T12] netdev_run_todo+0x81f/0xc60
[ 57.849461][ T12] ops_undo_list+0x714/0x890
[ 57.849627][ T12] cleanup_net+0x3b2/0x830
[ 57.849849][ T12] process_one_work+0xe35/0x1650
[ 57.850005][ T12] worker_thread+0x591/0xcf0
[ 57.850172][ T12] kthread+0x37b/0x5f0
[ 57.850295][ T12] ret_from_fork+0x1db/0x270
[ 57.850454][ T12] ret_from_fork_asm+0x11/0x20
[ 57.850604][ T12]
[ 57.850684][ T12] The buggy address belongs to the object at ffff88800895c000
[ 57.850684][ T12] which belongs to the cache kmalloc-4k of size 4096
[ 57.851110][ T12] The buggy address is located 1708 bytes inside of
[ 57.851110][ T12] freed 4096-byte region [ffff88800895c000, ffff88800895d000)
[ 57.851630][ T12]
[ 57.851715][ T12] The buggy address belongs to the physical page:
[ 57.851920][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8958
[ 57.852330][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 57.852646][ T12] flags: 0x80000000000040(head|node=0|zone=1)
[ 57.852883][ T12] page_type: f5(slab)
[ 57.853048][ T12] raw: 0080000000000040 ffff888001043700 ffffea00001ff010 ffffea00002e7810
[ 57.853367][ T12] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 57.853735][ T12] head: 0080000000000040 ffff888001043700 ffffea00001ff010 ffffea00002e7810
[ 57.854141][ T12] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 57.854445][ T12] head: 0080000000000003 ffffea0000225601 00000000ffffffff 00000000ffffffff
[ 57.854753][ T12] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 57.855131][ T12] page dumped because: kasan: bad access detected
[ 57.855381][ T12]
[ 57.855556][ T12] Memory state around the buggy address:
[ 57.855807][ T12] ffff88800895c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 57.856197][ T12] ffff88800895c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 57.856865][ T12] >ffff88800895c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 57.857211][ T12] ^
[ 57.857450][ T12] ffff88800895c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 57.857960][ T12] ffff88800895c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 57.858340][ T12] ==================================================================
[ 57.858889][ T12] Disabling lock debugging due to kernel taint
[ 57.859138][ T12] ------------[ cut here ]------------
[ 57.859310][ T12] refcount_t: underflow; use-after-free.
[ 57.860363][ T12] WARNING: CPU: 1 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 57.860799][ T12] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[ 57.861153][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 57.861621][ T12] Tainted: [B]=BAD_PAGE
[ 57.861751][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 57.861960][ T12] Workqueue: netns cleanup_net
[ 57.862134][ T12] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 57.862350][ T12] 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 25 97 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
[ 57.863060][ T12] RSP: 0018:ffffc900000c7a08 EFLAGS: 00010282
[ 57.863286][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 57.863660][ T12] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 57.863924][ T12] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff2f7e134
[ 57.864176][ T12] R10: 0000000000000003 R11: ffffc900000c7580 R12: 0000000000000001
[ 57.864427][ T12] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 57.864879][ T12] FS: 0000000000000000(0000) GS:ffff88809d272000(0000) knlGS:0000000000000000
[ 57.865166][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 57.865382][ T12] CR2: 000055acafec6dec CR3: 0000000004f70002 CR4: 0000000000772ef0
[ 57.865746][ T12] PKRU: 55555554
[ 57.865876][ T12] Call Trace:
[ 57.865998][ T12]
[ 57.866166][ T12] netdev_run_todo+0x5f0/0xc60
[ 57.866333][ T12] ? rtnl_is_locked+0x15/0x20
[ 57.866616][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 57.866779][ T12] ? generic_xdp_install+0x410/0x410
[ 57.866957][ T12] ops_undo_list+0x714/0x890
[ 57.867122][ T12] ? netns_get+0x110/0x110
[ 57.867375][ T12] ? cleanup_net+0x2d6/0x830
[ 57.867651][ T12] cleanup_net+0x3b2/0x830
[ 57.867818][ T12] ? net_passive_dec+0x190/0x190
[ 57.867982][ T12] ? rcu_is_watching+0x12/0xb0
[ 57.868146][ T12] process_one_work+0xe35/0x1650
[ 57.868403][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 57.868689][ T12] ? assign_work+0x168/0x240
[ 57.868857][ T12] worker_thread+0x591/0xcf0
[ 57.869027][ T12] ? rescuer_thread+0xd10/0xd10
[ 57.869198][ T12] kthread+0x37b/0x5f0
[ 57.869406][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.869690][ T12] ? ret_from_fork+0x1b/0x270
[ 57.869859][ T12] ? __lock_release+0x5d/0x170
[ 57.870024][ T12] ? rcu_is_watching+0x12/0xb0
[ 57.870196][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.870360][ T12] ret_from_fork+0x1db/0x270
[ 57.870751][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 57.870923][ T12] ret_from_fork_asm+0x11/0x20
[ 57.871093][ T12]
[ 57.871218][ T12] irq event stamp: 118031
[ 57.871358][ T12] hardirqs last enabled at (118031): [] finish_task_switch.isra.0+0x245/0x960
[ 57.871799][ T12] hardirqs last disabled at (118030): [] __schedule+0x94a/0x1b10
[ 57.872086][ T12] softirqs last enabled at (117702): [] handle_softirqs+0x352/0x610
[ 57.872418][ T12] softirqs last disabled at (117693): [] irq_exit_rcu+0xab/0x100
[ 57.872775][ T12] ---[ end trace 0000000000000000 ]---
[ 59.151390][ T654] br1: left promiscuous mode
[ 59.645434][ T660] br1: port 4(veth2) entered disabled state
[ 59.718682][ T661] veth2: left allmulticast mode
[ 59.718904][ T661] veth2: left promiscuous mode
[ 59.719238][ T661] br1: port 4(veth2) entered disabled state
[ 59.856632][ T663] br1: port 3(veth1) entered disabled state
[ 59.924951][ T664] veth1: left allmulticast mode
[ 59.925182][ T664] veth1: left promiscuous mode
[ 59.925491][ T664] br1: port 3(veth1) entered disabled state
[ 60.052890][ T666] vx4001: left allmulticast mode
[ 60.053098][ T666] vx4001: left promiscuous mode
[ 60.053391][ T666] br1: port 5(vx4001) entered disabled state
[ 60.385550][ T670] vx20: left allmulticast mode
[ 60.385771][ T670] vx20: left promiscuous mode
[ 60.386073][ T670] br1: port 2(vx20) entered disabled state
[ 60.682145][ T674] vx10: left allmulticast mode
[ 60.682387][ T674] vx10: left promiscuous mode
[ 60.682716][ T674] br1: port 1(vx10) entered disabled state