[ 18.408967][ T250] ip (250) used greatest stack depth: 24192 bytes left
[ 26.434061][ T325] br1: port 1(vx10) entered blocking state
[ 26.435407][ T325] br1: port 1(vx10) entered disabled state
[ 26.435981][ T325] vx10: entered allmulticast mode
[ 26.439612][ T325] vx10: entered promiscuous mode
[ 26.440617][ T325] br1: port 1(vx10) entered blocking state
[ 26.441334][ T325] br1: port 1(vx10) entered forwarding state
[ 27.095440][ T330] br1: port 2(vx20) entered blocking state
[ 27.095973][ T330] br1: port 2(vx20) entered disabled state
[ 27.096690][ T330] vx20: entered allmulticast mode
[ 27.100634][ T330] vx20: entered promiscuous mode
[ 27.102268][ T330] br1: port 2(vx20) entered blocking state
[ 27.102864][ T330] br1: port 2(vx20) entered forwarding state
[ 27.372396][ T332] br1: port 3(veth1) entered blocking state
[ 27.372837][ T332] br1: port 3(veth1) entered disabled state
[ 27.373321][ T332] veth1: entered allmulticast mode
[ 27.377198][ T332] veth1: entered promiscuous mode
[ 27.509067][ T36] br1: port 3(veth1) entered blocking state
[ 27.510182][ T36] br1: port 3(veth1) entered forwarding state
[ 27.816889][ T335] br1: port 4(veth2) entered blocking state
[ 27.817417][ T335] br1: port 4(veth2) entered disabled state
[ 27.817966][ T335] veth2: entered allmulticast mode
[ 27.821635][ T335] veth2: entered promiscuous mode
[ 27.940088][ T38] br1: port 4(veth2) entered blocking state
[ 27.940665][ T38] br1: port 4(veth2) entered forwarding state
[ 28.484052][ T341] br1: port 5(vx4001) entered blocking state
[ 28.484537][ T341] br1: port 5(vx4001) entered disabled state
[ 28.485025][ T341] vx4001: entered allmulticast mode
[ 28.488604][ T341] vx4001: entered promiscuous mode
[ 28.489462][ T341] br1: port 5(vx4001) entered blocking state
[ 28.489969][ T341] br1: port 5(vx4001) entered forwarding state
[ 29.554227][ T350] 8021q: 802.1Q VLAN Support v1.8
[ 30.092353][ T354] br1: entered promiscuous mode
[ 30.098560][ T354] br1: left promiscuous mode
[ 30.118411][ T354] br1: entered promiscuous mode
[ 40.375045][ T435] br1: port 1(vx10) entered blocking state
[ 40.376585][ T435] br1: port 1(vx10) entered disabled state
[ 40.377334][ T435] vx10: entered allmulticast mode
[ 40.384095][ T435] vx10: entered promiscuous mode
[ 40.387469][ T435] br1: port 1(vx10) entered blocking state
[ 40.388227][ T435] br1: port 1(vx10) entered forwarding state
[ 41.002790][ T439] br1: port 2(vx20) entered blocking state
[ 41.003452][ T439] br1: port 2(vx20) entered disabled state
[ 41.003999][ T439] vx20: entered allmulticast mode
[ 41.008533][ T439] vx20: entered promiscuous mode
[ 41.009665][ T439] br1: port 2(vx20) entered blocking state
[ 41.010228][ T439] br1: port 2(vx20) entered forwarding state
[ 41.567504][ T443] br1: port 3(vx4001) entered blocking state
[ 41.567982][ T443] br1: port 3(vx4001) entered disabled state
[ 41.568538][ T443] vx4001: entered allmulticast mode
[ 41.572491][ T443] vx4001: entered promiscuous mode
[ 41.573443][ T443] br1: port 3(vx4001) entered blocking state
[ 41.573869][ T443] br1: port 3(vx4001) entered forwarding state
[ 41.865838][ T445] br1: port 4(w1) entered blocking state
[ 41.866255][ T445] br1: port 4(w1) entered disabled state
[ 41.866701][ T445] w1: entered allmulticast mode
[ 41.870575][ T445] w1: entered promiscuous mode
[ 42.026829][ T36] br1: port 4(w1) entered blocking state
[ 42.027632][ T36] br1: port 4(w1) entered forwarding state
[ 42.336372][ T448] br1: port 5(w3) entered blocking state
[ 42.336758][ T448] br1: port 5(w3) entered disabled state
[ 42.337135][ T448] w3: entered allmulticast mode
[ 42.341188][ T448] w3: entered promiscuous mode
[ 42.482762][ T46] br1: port 5(w3) entered blocking state
[ 42.483192][ T46] br1: port 5(w3) entered forwarding state
[ 43.771581][ T458] br1: entered promiscuous mode
[ 43.775171][ T458] br1: left promiscuous mode
[ 43.783037][ T458] br1: entered promiscuous mode
[ 45.185312][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.377328][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20)
[ 45.382547][ C2] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected!
[ 45.570964][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 45.573632][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 46.145954][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 49.345374][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 56.834129][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10)
[ 68.170137][ T12] w3: left allmulticast mode
[ 68.170871][ T12] w3: left promiscuous mode
[ 68.172179][ T12] br1: port 5(w3) entered disabled state
[ 68.178437][ T12] w1: left allmulticast mode
[ 68.179092][ T12] w1: left promiscuous mode
[ 68.179914][ T12] br1: port 4(w1) entered disabled state
[ 68.184730][ T12] vx4001: left allmulticast mode
[ 68.189869][ T12] vx4001: left promiscuous mode
[ 68.190761][ T12] br1: port 3(vx4001) entered disabled state
[ 68.199029][ T12] vx20: left allmulticast mode
[ 68.199638][ T12] vx20: left promiscuous mode
[ 68.200427][ T12] br1: port 2(vx20) entered disabled state
[ 68.206087][ T12] vx10: left allmulticast mode
[ 68.206677][ T12] vx10: left promiscuous mode
[ 68.207527][ T12] br1: port 1(vx10) entered disabled state
[ 68.432617][ T12] ==================================================================
[ 68.432942][ T12] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 68.433239][ T12] Read of size 1 at addr ffff88800ad516ac by task kworker/u16:0/12
[ 68.433517][ T12]
[ 68.433617][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 68.433625][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.433630][ T12] Workqueue: netns cleanup_net
[ 68.433641][ T12] Call Trace:
[ 68.433646][ T12]
[ 68.433648][ T12] dump_stack_lvl+0x82/0xc0
[ 68.433655][ T12] print_address_description.constprop.0+0x2c/0x3a0
[ 68.433675][ T12] ? kobject_put+0xbb/0xd0
[ 68.433679][ T12] print_report+0xb4/0x270
[ 68.433683][ T12] ? kobject_put+0xbb/0xd0
[ 68.433686][ T12] ? kasan_addr_to_slab+0x21/0x70
[ 68.433689][ T12] ? kobject_put+0xbb/0xd0
[ 68.433692][ T12] kasan_report+0xca/0x100
[ 68.433696][ T12] ? kobject_put+0xbb/0xd0
[ 68.433701][ T12] kobject_put+0xbb/0xd0
[ 68.433705][ T12] netdev_run_todo+0x5f0/0xc60
[ 68.433710][ T12] ? rtnl_is_locked+0x15/0x20
[ 68.433715][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 68.433718][ T12] ? generic_xdp_install+0x410/0x410
[ 68.433724][ T12] ops_undo_list+0x714/0x890
[ 68.433729][ T12] ? netns_get+0x110/0x110
[ 68.433732][ T12] ? cleanup_net+0x2d6/0x830
[ 68.433737][ T12] cleanup_net+0x3b2/0x830
[ 68.433741][ T12] ? net_passive_dec+0x190/0x190
[ 68.433745][ T12] ? rcu_is_watching+0x12/0xb0
[ 68.433762][ T12] process_one_work+0xe35/0x1650
[ 68.433774][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 68.433780][ T12] ? assign_work+0x168/0x240
[ 68.433784][ T12] worker_thread+0x591/0xcf0
[ 68.433789][ T12] ? rescuer_thread+0xd10/0xd10
[ 68.433793][ T12] kthread+0x37b/0x5f0
[ 68.433800][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.433802][ T12] ? ret_from_fork+0x1b/0x270
[ 68.433814][ T12] ? __lock_release+0x5d/0x170
[ 68.433829][ T12] ? rcu_is_watching+0x12/0xb0
[ 68.433833][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.433837][ T12] ret_from_fork+0x1db/0x270
[ 68.433839][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.433842][ T12] ret_from_fork_asm+0x11/0x20
[ 68.433856][ T12]
[ 68.433857][ T12]
[ 68.441468][ T12] Allocated by task 458:
[ 68.441604][ T12] kasan_save_stack+0x24/0x40
[ 68.441830][ T12] kasan_save_track+0x14/0x30
[ 68.442021][ T12] __kasan_kmalloc+0x7b/0x90
[ 68.442193][ T12] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 68.442392][ T12] alloc_netdev_mqs+0x7d/0x1370
[ 68.442579][ T12] rtnl_create_link+0xa9e/0xe20
[ 68.442761][ T12] rtnl_newlink_create+0x203/0x770
[ 68.442936][ T12] __rtnl_newlink+0x231/0xa30
[ 68.443112][ T12] rtnl_newlink+0x693/0xa60
[ 68.443299][ T12] rtnetlink_rcv_msg+0x709/0xc00
[ 68.443496][ T12] netlink_rcv_skb+0x121/0x340
[ 68.443675][ T12] netlink_unicast+0x4aa/0x780
[ 68.443856][ T12] netlink_sendmsg+0x714/0xbd0
[ 68.444037][ T12] ____sys_sendmsg+0x3dd/0x890
[ 68.444217][ T12] ___sys_sendmsg+0xed/0x170
[ 68.444419][ T12] __sys_sendmsg+0x10b/0x1a0
[ 68.444598][ T12] do_syscall_64+0xc1/0xfd0
[ 68.444792][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 68.445047][ T12]
[ 68.445148][ T12] Freed by task 12:
[ 68.445291][ T12] kasan_save_stack+0x24/0x40
[ 68.445503][ T12] kasan_save_track+0x14/0x30
[ 68.445680][ T12] __kasan_save_free_info+0x3b/0x60
[ 68.445870][ T12] __kasan_slab_free+0x3f/0x60
[ 68.446054][ T12] kfree+0x21d/0x540
[ 68.446185][ T12] device_release+0x9c/0x210
[ 68.446402][ T12] kobject_cleanup+0xfe/0x360
[ 68.446600][ T12] netdev_run_todo+0x81f/0xc60
[ 68.446795][ T12] ops_undo_list+0x714/0x890
[ 68.446982][ T12] cleanup_net+0x3b2/0x830
[ 68.447169][ T12] process_one_work+0xe35/0x1650
[ 68.447369][ T12] worker_thread+0x591/0xcf0
[ 68.447557][ T12] kthread+0x37b/0x5f0
[ 68.447693][ T12] ret_from_fork+0x1db/0x270
[ 68.447884][ T12] ret_from_fork_asm+0x11/0x20
[ 68.448070][ T12]
[ 68.448165][ T12] The buggy address belongs to the object at ffff88800ad51000
[ 68.448165][ T12] which belongs to the cache kmalloc-4k of size 4096
[ 68.448641][ T12] The buggy address is located 1708 bytes inside of
[ 68.448641][ T12] freed 4096-byte region [ffff88800ad51000, ffff88800ad52000)
[ 68.449080][ T12]
[ 68.449168][ T12] The buggy address belongs to the physical page:
[ 68.449437][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xad50
[ 68.449768][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 68.450042][ T12] flags: 0x80000000000040(head|node=0|zone=1)
[ 68.450268][ T12] page_type: f5(slab)
[ 68.450423][ T12] raw: 0080000000000040 ffff888001043700 ffffea000024a410 ffffea0000426c10
[ 68.450778][ T12] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 68.451090][ T12] head: 0080000000000040 ffff888001043700 ffffea000024a410 ffffea0000426c10
[ 68.451422][ T12] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 68.451815][ T12] head: 0080000000000003 ffffea00002b5401 00000000ffffffff 00000000ffffffff
[ 68.452142][ T12] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 68.452471][ T12] page dumped because: kasan: bad access detected
[ 68.452701][ T12]
[ 68.452800][ T12] Memory state around the buggy address:
[ 68.452967][ T12] ffff88800ad51580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 68.453223][ T12] ffff88800ad51600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 68.453581][ T12] >ffff88800ad51680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 68.453845][ T12] ^
[ 68.454018][ T12] ffff88800ad51700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 68.454274][ T12] ffff88800ad51780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 68.454531][ T12] ==================================================================
[ 68.455201][ T12] Disabling lock debugging due to kernel taint
[ 68.455478][ T12] ------------[ cut here ]------------
[ 68.455650][ T12] refcount_t: underflow; use-after-free.
[ 68.455856][ T12] WARNING: CPU: 0 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 68.456484][ T12] Modules linked in: macvlan 8021q vxlan ip6_udp_tunnel udp_tunnel bridge stp llc vrf veth
[ 68.456855][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 68.457275][ T12] Tainted: [B]=BAD_PAGE
[ 68.457421][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.457648][ T12] Workqueue: netns cleanup_net
[ 68.457834][ T12] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 68.458060][ 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 45 84 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
[ 68.458696][ T12] RSP: 0018:ffffc900000c7a08 EFLAGS: 00010282
[ 68.458929][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 68.459263][ T12] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 68.459527][ T12] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff09be134
[ 68.459781][ T12] R10: 0000000000000003 R11: ffffc900000c7580 R12: 0000000000000001
[ 68.460051][ T12] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 68.460386][ T12] FS: 0000000000000000(0000) GS:ffff8880afff2000(0000) knlGS:0000000000000000
[ 68.460686][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.460921][ T12] CR2: 000055a62b210dec CR3: 000000000a33f002 CR4: 0000000000772ef0
[ 68.461257][ T12] PKRU: 55555554
[ 68.461412][ T12] Call Trace:
[ 68.461541][ T12]
[ 68.461633][ T12] netdev_run_todo+0x5f0/0xc60
[ 68.461833][ T12] ? rtnl_is_locked+0x15/0x20
[ 68.462032][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 68.462279][ T12] ? generic_xdp_install+0x410/0x410
[ 68.462462][ T12] ops_undo_list+0x714/0x890
[ 68.462640][ T12] ? netns_get+0x110/0x110
[ 68.462833][ T12] ? cleanup_net+0x2d6/0x830
[ 68.463011][ T12] cleanup_net+0x3b2/0x830
[ 68.463253][ T12] ? net_passive_dec+0x190/0x190
[ 68.463440][ T12] ? rcu_is_watching+0x12/0xb0
[ 68.463616][ T12] process_one_work+0xe35/0x1650
[ 68.463810][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 68.463995][ T12] ? assign_work+0x168/0x240
[ 68.464233][ T12] worker_thread+0x591/0xcf0
[ 68.464423][ T12] ? rescuer_thread+0xd10/0xd10
[ 68.464591][ T12] kthread+0x37b/0x5f0
[ 68.464719][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.464919][ T12] ? ret_from_fork+0x1b/0x270
[ 68.465089][ T12] ? __lock_release+0x5d/0x170
[ 68.465325][ T12] ? rcu_is_watching+0x12/0xb0
[ 68.465507][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.465674][ T12] ret_from_fork+0x1db/0x270
[ 68.465859][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.466037][ T12] ret_from_fork_asm+0x11/0x20
[ 68.466223][ T12]
[ 68.466363][ T12] irq event stamp: 98645
[ 68.466498][ T12] hardirqs last enabled at (98645): [] finish_task_switch.isra.0+0x245/0x960
[ 68.466858][ T12] hardirqs last disabled at (98644): [] __schedule+0x94a/0x1b10
[ 68.467182][ T12] softirqs last enabled at (98476): [] handle_softirqs+0x352/0x610
[ 68.467509][ T12] softirqs last disabled at (98459): [] irq_exit_rcu+0xab/0x100
[ 68.467815][ T12] ---[ end trace 0000000000000000 ]---
[ 70.189069][ T647] br1: left promiscuous mode
[ 70.890167][ T653] br1: port 4(veth2) entered disabled state
[ 71.011070][ T654] veth2: left allmulticast mode
[ 71.011579][ T654] veth2: left promiscuous mode
[ 71.012187][ T654] br1: port 4(veth2) entered disabled state
[ 71.201458][ T656] br1: port 3(veth1) entered disabled state
[ 71.286072][ T657] veth1: left allmulticast mode
[ 71.286423][ T657] veth1: left promiscuous mode
[ 71.286860][ T657] br1: port 3(veth1) entered disabled state
[ 71.438843][ T659] vx4001: left allmulticast mode
[ 71.439174][ T659] vx4001: left promiscuous mode
[ 71.439548][ T659] br1: port 5(vx4001) entered disabled state
[ 71.785482][ T663] vx20: left allmulticast mode
[ 71.785769][ T663] vx20: left promiscuous mode
[ 71.786129][ T663] br1: port 2(vx20) entered disabled state
[ 72.169667][ T667] vx10: left allmulticast mode
[ 72.170055][ T667] vx10: left promiscuous mode
[ 72.170571][ T667] br1: port 1(vx10) entered disabled state