[ 15.835514][ T246] team0: Mode changed to "loadbalance"
[ 15.869329][ T246] team0: Port device dummy1 added
[ 15.885117][ T246] team0: Port device dummy2 added
[ 16.157164][ T250] dummy1: entered promiscuous mode
[ 16.157713][ T250] dummy2: entered promiscuous mode
[ 16.921499][ T270] dummy1: left promiscuous mode
[ 16.922084][ T270] dummy2: left promiscuous mode
[ 16.934514][ T270] ip (270) used greatest stack depth: 24480 bytes left
[ 17.094563][ T271] team0 (unregistering): Port device dummy1 removed
[ 17.098816][ T271] team0 (unregistering): Port device dummy2 removed
[ 17.153410][ T271] ==================================================================
[ 17.153747][ T271] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 17.154013][ T271] Read of size 1 at addr ffff888007d4c69c by task ip/271
[ 17.154217][ T271]
[ 17.154305][ T271] CPU: 2 UID: 0 PID: 271 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 17.154310][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.154313][ T271] Call Trace:
[ 17.154315][ T271]
[ 17.154317][ T271] dump_stack_lvl+0x82/0xc0
[ 17.154323][ T271] print_address_description.constprop.0+0x2c/0x3a0
[ 17.154330][ T271] ? kobject_put+0xbb/0xd0
[ 17.154334][ T271] print_report+0xb4/0x270
[ 17.154336][ T271] ? kobject_put+0xbb/0xd0
[ 17.154339][ T271] ? kasan_addr_to_slab+0x21/0x70
[ 17.154342][ T271] ? kobject_put+0xbb/0xd0
[ 17.154344][ T271] kasan_report+0xca/0x100
[ 17.154348][ T271] ? kobject_put+0xbb/0xd0
[ 17.154353][ T271] kobject_put+0xbb/0xd0
[ 17.154356][ T271] netdev_run_todo+0x5f0/0xc60
[ 17.154363][ T271] ? dev_ingress_queue_create+0x190/0x190
[ 17.154366][ T271] ? generic_xdp_install+0x410/0x410
[ 17.154370][ T271] ? unregister_netdevice_many+0x20/0x20
[ 17.154373][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.154381][ T271] rtnl_dellink+0x350/0xa30
[ 17.154387][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 17.154406][ T271] ? find_held_lock+0x2b/0x80
[ 17.154411][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.154417][ T271] ? find_held_lock+0x2b/0x80
[ 17.154421][ T271] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 17.154423][ T271] ? __lock_release+0x5d/0x170
[ 17.154428][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 17.154432][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 17.154435][ T271] ? rtnl_port_fill+0x850/0x850
[ 17.154438][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.154445][ T271] netlink_rcv_skb+0x121/0x340
[ 17.154449][ T271] ? rtnl_port_fill+0x850/0x850
[ 17.154454][ T271] ? netlink_ack+0xdd0/0xdd0
[ 17.154460][ T271] ? netlink_deliver_tap+0x13e/0x340
[ 17.154466][ T271] ? netlink_deliver_tap+0xc3/0x340
[ 17.154471][ T271] netlink_unicast+0x4aa/0x780
[ 17.154475][ T271] ? netlink_attachskb+0x810/0x810
[ 17.154478][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.154484][ T271] netlink_sendmsg+0x714/0xbd0
[ 17.154488][ T271] ? netlink_unicast+0x780/0x780
[ 17.154491][ T271] ? __import_iovec+0x230/0x3b0
[ 17.154499][ T271] ? netlink_unicast+0x780/0x780
[ 17.154502][ T271] ____sys_sendmsg+0x3dd/0x890
[ 17.154508][ T271] ? get_timestamp.constprop.0+0x380/0x380
[ 17.154512][ T271] ? __copy_msghdr+0x3c0/0x3c0
[ 17.154518][ T271] ___sys_sendmsg+0xed/0x170
[ 17.154520][ T271] ? kasan_record_aux_stack+0x8c/0xa0
[ 17.154523][ T271] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 17.154529][ T271] ? copy_msghdr_from_user+0x110/0x110
[ 17.154533][ T271] ? find_held_lock+0x2b/0x80
[ 17.154537][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.154542][ T271] ? find_held_lock+0x2b/0x80
[ 17.154546][ T271] ? __virt_addr_valid+0x22a/0x450
[ 17.154551][ T271] ? __lock_release+0x5d/0x170
[ 17.154557][ T271] __sys_sendmsg+0x10b/0x1a0
[ 17.154559][ T271] ? __call_rcu_common.constprop.0+0x318/0x630
[ 17.154563][ T271] ? __sys_sendmsg_sock+0x20/0x20
[ 17.154569][ T271] ? rcu_is_watching+0x12/0xb0
[ 17.154573][ T271] do_syscall_64+0xc1/0xfd0
[ 17.154577][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.154581][ T271] RIP: 0033:0x7f4a103eb1d7
[ 17.154587][ T271] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 17.154590][ T271] RSP: 002b:00007ffc66a66b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 17.154594][ T271] RAX: ffffffffffffffda RBX: 00007ffc66a67250 RCX: 00007f4a103eb1d7
[ 17.154596][ T271] RDX: 0000000000000000 RSI: 00007ffc66a66b90 RDI: 0000000000000005
[ 17.154598][ T271] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 17.154599][ T271] R10: 00007f4a102e7f60 R11: 0000000000000246 R12: 0000000000000001
[ 17.154601][ T271] R13: 00000000690df1c9 R14: 0000000000499600 R15: 0000000000000000
[ 17.154607][ T271]
[ 17.154608][ T271]
[ 17.167266][ T271] Allocated by task 250:
[ 17.167409][ T271] kasan_save_stack+0x24/0x40
[ 17.167585][ T271] kasan_save_track+0x14/0x30
[ 17.167757][ T271] __kasan_kmalloc+0x7b/0x90
[ 17.167937][ T271] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 17.168118][ T271] alloc_netdev_mqs+0x7d/0x1310
[ 17.168308][ T271] rtnl_create_link+0xa9e/0xe20
[ 17.168477][ T271] rtnl_newlink_create+0x203/0x8f0
[ 17.168646][ T271] __rtnl_newlink+0x231/0xa30
[ 17.168821][ T271] rtnl_newlink+0x693/0xa60
[ 17.169000][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 17.169168][ T271] netlink_rcv_skb+0x121/0x340
[ 17.169344][ T271] netlink_unicast+0x4aa/0x780
[ 17.169514][ T271] netlink_sendmsg+0x714/0xbd0
[ 17.169695][ T271] ____sys_sendmsg+0x3dd/0x890
[ 17.169880][ T271] ___sys_sendmsg+0xed/0x170
[ 17.170061][ T271] __sys_sendmsg+0x10b/0x1a0
[ 17.170227][ T271] do_syscall_64+0xc1/0xfd0
[ 17.170398][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.170609][ T271]
[ 17.170697][ T271] Freed by task 271:
[ 17.170820][ T271] kasan_save_stack+0x24/0x40
[ 17.171000][ T271] kasan_save_track+0x14/0x30
[ 17.171171][ T271] __kasan_save_free_info+0x3b/0x60
[ 17.171338][ T271] __kasan_slab_free+0x3f/0x60
[ 17.171500][ T271] kfree+0x21d/0x540
[ 17.171628][ T271] device_release+0x9c/0x210
[ 17.171799][ T271] kobject_cleanup+0xfe/0x360
[ 17.171981][ T271] netdev_run_todo+0x81f/0xc60
[ 17.172151][ T271] rtnl_dellink+0x350/0xa30
[ 17.172319][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 17.172488][ T271] netlink_rcv_skb+0x121/0x340
[ 17.172656][ T271] netlink_unicast+0x4aa/0x780
[ 17.172822][ T271] netlink_sendmsg+0x714/0xbd0
[ 17.172999][ T271] ____sys_sendmsg+0x3dd/0x890
[ 17.173166][ T271] ___sys_sendmsg+0xed/0x170
[ 17.173333][ T271] __sys_sendmsg+0x10b/0x1a0
[ 17.173497][ T271] do_syscall_64+0xc1/0xfd0
[ 17.173665][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.173880][ T271]
[ 17.173977][ T271] The buggy address belongs to the object at ffff888007d4c000
[ 17.173977][ T271] which belongs to the cache kmalloc-4k of size 4096
[ 17.174376][ T271] The buggy address is located 1692 bytes inside of
[ 17.174376][ T271] freed 4096-byte region [ffff888007d4c000, ffff888007d4d000)
[ 17.174776][ T271]
[ 17.174865][ T271] The buggy address belongs to the physical page:
[ 17.175087][ T271] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d48
[ 17.175382][ T271] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 17.175636][ T271] flags: 0x80000000000040(head|node=0|zone=1)
[ 17.175855][ T271] page_type: f5(slab)
[ 17.176004][ T271] raw: 0080000000000040 ffff888001043700 ffffea00001f6210 ffffea0000158210
[ 17.176311][ T271] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 17.176608][ T271] head: 0080000000000040 ffff888001043700 ffffea00001f6210 ffffea0000158210
[ 17.176910][ T271] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 17.177213][ T271] head: 0080000000000003 ffffea00001f5201 00000000ffffffff 00000000ffffffff
[ 17.177517][ T271] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 17.177819][ T271] page dumped because: kasan: bad access detected
[ 17.178035][ T271]
[ 17.178120][ T271] Memory state around the buggy address:
[ 17.178296][ T271] ffff888007d4c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 17.178536][ T271] ffff888007d4c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 17.178781][ T271] >ffff888007d4c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 17.179063][ T271] ^
[ 17.179221][ T271] ffff888007d4c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 17.179458][ T271] ffff888007d4c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 17.179707][ T271] ==================================================================
[ 17.180046][ T271] Disabling lock debugging due to kernel taint
[ 17.180286][ T271] ------------[ cut here ]------------
[ 17.180472][ T271] refcount_t: underflow; use-after-free.
[ 17.180683][ T271] WARNING: CPU: 2 PID: 271 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 17.181020][ T271] Modules linked in:
[ 17.181174][ T271] CPU: 2 UID: 0 PID: 271 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 17.181530][ T271] Tainted: [B]=BAD_PAGE
[ 17.181675][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 17.181901][ T271] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 17.182147][ T271] Code: a2 b5 02 80 fb 01 0f 87 db 6e d8 fe 83 e3 01 0f 85 51 ff ff ff c6 05 c2 a2 b5 02 01 90 48 c7 c7 60 a8 45 a4 e8 72 c3 17 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 20 69 a0 ff e9 ba fe ff ff
[ 17.182766][ T271] RSP: 0018:ffffc90000a871f0 EFLAGS: 00010286
[ 17.183012][ T271] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 17.183275][ T271] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 17.183556][ T271] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff49be134
[ 17.183846][ T271] R10: 0000000000000003 R11: ffffc90000a86d80 R12: 0000000000000001
[ 17.184180][ T271] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 17.184463][ T271] FS: 00007f4a1021d800(0000) GS:ffff88808a281000(0000) knlGS:0000000000000000
[ 17.184800][ T271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 17.185048][ T271] CR2: 00007fe65bb09eb0 CR3: 0000000002aa6003 CR4: 0000000000772ef0
[ 17.185324][ T271] PKRU: 55555554
[ 17.185478][ T271] Call Trace:
[ 17.185638][ T271]
[ 17.185750][ T271] netdev_run_todo+0x5f0/0xc60
[ 17.185958][ T271] ? dev_ingress_queue_create+0x190/0x190
[ 17.186158][ T271] ? generic_xdp_install+0x410/0x410
[ 17.186344][ T271] ? unregister_netdevice_many+0x20/0x20
[ 17.186547][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.186746][ T271] rtnl_dellink+0x350/0xa30
[ 17.186938][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 17.187188][ T271] ? find_held_lock+0x2b/0x80
[ 17.187378][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.187598][ T271] ? find_held_lock+0x2b/0x80
[ 17.187791][ T271] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 17.187993][ T271] ? __lock_release+0x5d/0x170
[ 17.188177][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 17.188422][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 17.188629][ T271] ? rtnl_port_fill+0x850/0x850
[ 17.188912][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.189121][ T271] netlink_rcv_skb+0x121/0x340
[ 17.189309][ T271] ? rtnl_port_fill+0x850/0x850
[ 17.189497][ T271] ? netlink_ack+0xdd0/0xdd0
[ 17.189944][ T271] ? netlink_deliver_tap+0x13e/0x340
[ 17.190229][ T271] ? netlink_deliver_tap+0xc3/0x340
[ 17.190466][ T271] netlink_unicast+0x4aa/0x780
[ 17.190676][ T271] ? netlink_attachskb+0x810/0x810
[ 17.190964][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.191152][ T271] netlink_sendmsg+0x714/0xbd0
[ 17.191338][ T271] ? netlink_unicast+0x780/0x780
[ 17.191534][ T271] ? __import_iovec+0x230/0x3b0
[ 17.191814][ T271] ? netlink_unicast+0x780/0x780
[ 17.192003][ T271] ____sys_sendmsg+0x3dd/0x890
[ 17.192187][ T271] ? get_timestamp.constprop.0+0x380/0x380
[ 17.192413][ T271] ? __copy_msghdr+0x3c0/0x3c0
[ 17.192737][ T271] ___sys_sendmsg+0xed/0x170
[ 17.192921][ T271] ? kasan_record_aux_stack+0x8c/0xa0
[ 17.193110][ T271] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 17.193340][ T271] ? copy_msghdr_from_user+0x110/0x110
[ 17.193622][ T271] ? find_held_lock+0x2b/0x80
[ 17.193807][ T271] ? __lock_acquire+0x449/0x7e0
[ 17.193996][ T271] ? find_held_lock+0x2b/0x80
[ 17.194175][ T271] ? __virt_addr_valid+0x22a/0x450
[ 17.194458][ T271] ? __lock_release+0x5d/0x170
[ 17.194641][ T271] __sys_sendmsg+0x10b/0x1a0
[ 17.194822][ T271] ? __call_rcu_common.constprop.0+0x318/0x630
[ 17.195138][ T271] ? __sys_sendmsg_sock+0x20/0x20
[ 17.195323][ T271] ? rcu_is_watching+0x12/0xb0
[ 17.195509][ T271] do_syscall_64+0xc1/0xfd0
[ 17.195696][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 17.196022][ T271] RIP: 0033:0x7f4a103eb1d7
[ 17.196212][ T271] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 17.196932][ T271] RSP: 002b:00007ffc66a66b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 17.197201][ T271] RAX: ffffffffffffffda RBX: 00007ffc66a67250 RCX: 00007f4a103eb1d7
[ 17.197581][ T271] RDX: 0000000000000000 RSI: 00007ffc66a66b90 RDI: 0000000000000005
[ 17.197865][ T271] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 17.198151][ T271] R10: 00007f4a102e7f60 R11: 0000000000000246 R12: 0000000000000001
[ 17.198550][ T271] R13: 00000000690df1c9 R14: 0000000000499600 R15: 0000000000000000
[ 17.198824][ T271]
[ 17.198990][ T271] irq event stamp: 76961
[ 17.199132][ T271] hardirqs last enabled at (76961): [] irqentry_exit+0x3b/0x80
[ 17.199539][ T271] hardirqs last disabled at (76960): [] handle_softirqs+0x47f/0x610
[ 17.199844][ T271] softirqs last enabled at (76178): [] handle_softirqs+0x352/0x610
[ 17.200254][ T271] softirqs last disabled at (74879): [] irq_exit_rcu+0xab/0x100
[ 17.200559][ T271] ---[ end trace 0000000000000000 ]---
[ 17.217554][ T271] ip (271) used greatest stack depth: 24320 bytes left