[ 22.728998][ T293] 8021q: 802.1Q VLAN Support v1.8
[ 25.661749][ T318] lag2: Mode changed to "loadbalance"
[ 26.048609][ T321] lag2: Port device veth3 added
[ 26.479848][ T325] lag2: Port device veth5 added
[ 26.787168][ T327] 8021q: adding VLAN 0 to HW filter on device lag2
[ 26.979842][ T328] 8021q: adding VLAN 0 to HW filter on device lag2
[ 27.668940][ T333] gre: GRE over IPv4 demultiplexer driver
[ 27.708110][ T333] ip_gre: GRE over IPv4 tunneling driver
[ 30.750437][ T362] lag1: Mode changed to "loadbalance"
[ 31.051660][ T365] lag1: Port device veth2 added
[ 31.523802][ T368] lag1: Port device veth4 added
[ 31.798381][ T370] 8021q: adding VLAN 0 to HW filter on device lag1
[ 39.379814][ T396] Mirror/redirect action on
[ 39.734278][ T399] GACT probability NOT on
[ 39.915690][ T400] lag2: Port device veth5 removed
[ 44.533706][ T410] lag2: Port device veth3 removed
[ 50.113855][ T318] ==================================================================
[ 50.114388][ T318] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 50.114845][ T318] Read of size 1 at addr ffff88800d5916ac by task teamd/318
[ 50.115273][ T318]
[ 50.115470][ T318] CPU: 1 UID: 0 PID: 318 Comm: teamd Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 50.115479][ T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.115483][ T318] Call Trace:
[ 50.115487][ T318]
[ 50.115490][ T318] dump_stack_lvl+0x82/0xc0
[ 50.115500][ T318] print_address_description.constprop.0+0x2c/0x3a0
[ 50.115515][ T318] ? kobject_put+0xbb/0xd0
[ 50.115525][ T318] print_report+0xb4/0x270
[ 50.115530][ T318] ? kobject_put+0xbb/0xd0
[ 50.115535][ T318] ? kasan_addr_to_slab+0x21/0x70
[ 50.115541][ T318] ? kobject_put+0xbb/0xd0
[ 50.115546][ T318] kasan_report+0xca/0x100
[ 50.115553][ T318] ? kobject_put+0xbb/0xd0
[ 50.115563][ T318] kobject_put+0xbb/0xd0
[ 50.115569][ T318] netdev_run_todo+0x5f0/0xc60
[ 50.115577][ T318] ? dev_ingress_queue_create+0x190/0x190
[ 50.115581][ T318] ? generic_xdp_install+0x410/0x410
[ 50.115586][ T318] ? unregister_netdevice_many+0x20/0x20
[ 50.115592][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.115613][ T318] rtnl_dellink+0x350/0xa30
[ 50.115626][ T318] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 50.115661][ T318] ? find_held_lock+0x2b/0x80
[ 50.115670][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.115680][ T318] ? find_held_lock+0x2b/0x80
[ 50.115686][ T318] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 50.115690][ T318] ? __lock_release+0x5d/0x170
[ 50.115698][ T318] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 50.115704][ T318] rtnetlink_rcv_msg+0x709/0xc00
[ 50.115711][ T318] ? rtnl_port_fill+0x850/0x850
[ 50.115719][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.115732][ T318] netlink_rcv_skb+0x121/0x340
[ 50.115740][ T318] ? rtnl_port_fill+0x850/0x850
[ 50.115746][ T318] ? netlink_ack+0xdd0/0xdd0
[ 50.115760][ T318] ? netlink_deliver_tap+0x13e/0x340
[ 50.115764][ T318] ? netlink_deliver_tap+0xc3/0x340
[ 50.115771][ T318] netlink_unicast+0x4aa/0x780
[ 50.115779][ T318] ? netlink_attachskb+0x810/0x810
[ 50.115786][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.115795][ T318] netlink_sendmsg+0x714/0xbd0
[ 50.115804][ T318] ? netlink_unicast+0x780/0x780
[ 50.115811][ T318] ? __import_iovec+0x230/0x3b0
[ 50.115822][ T318] ? netlink_unicast+0x780/0x780
[ 50.115829][ T318] ____sys_sendmsg+0x3dd/0x890
[ 50.115842][ T318] ? get_timestamp.constprop.0+0x380/0x380
[ 50.115848][ T318] ? __copy_msghdr+0x3c0/0x3c0
[ 50.115863][ T318] ___sys_sendmsg+0xed/0x170
[ 50.115870][ T318] ? copy_msghdr_from_user+0x110/0x110
[ 50.115877][ T318] ? do_pte_missing+0xec0/0xec0
[ 50.115887][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.115897][ T318] ? __handle_mm_fault+0x3fc/0x5d0
[ 50.115904][ T318] ? __pmd_alloc+0x700/0x700
[ 50.115916][ T318] ? lock_vma_under_rcu+0x2d/0x3d0
[ 50.115921][ T318] ? lock_vma_under_rcu+0x138/0x3d0
[ 50.115929][ T318] __sys_sendmsg+0x10b/0x1a0
[ 50.115935][ T318] ? __sys_sendmsg_sock+0x20/0x20
[ 50.115942][ T318] ? exc_page_fault+0x65/0xd0
[ 50.115957][ T318] ? do_user_addr_fault+0x955/0xe00
[ 50.115978][ T318] ? rcu_is_watching+0x12/0xb0
[ 50.115991][ T318] do_syscall_64+0xc1/0xfd0
[ 50.116000][ T318] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 50.116010][ T318] RIP: 0033:0x7f3c9c2601d7
[ 50.116018][ T318] 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
[ 50.116024][ T318] RSP: 002b:00007ffd5d418658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 50.116033][ T318] RAX: ffffffffffffffda RBX: 0000000039965320 RCX: 00007f3c9c2601d7
[ 50.116037][ T318] RDX: 0000000000000000 RSI: 00007ffd5d418690 RDI: 0000000000000005
[ 50.116039][ T318] RBP: 0000000039965230 R08: 0000000000000003 R09: 0000000000000000
[ 50.116042][ T318] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000039965690
[ 50.116045][ T318] R13: 00007ffd5d418690 R14: 0000000000000000 R15: 00007ffd5d4187f0
[ 50.116059][ T318]
[ 50.116061][ T318]
[ 50.136530][ T318] Allocated by task 318:
[ 50.136731][ T318] kasan_save_stack+0x24/0x40
[ 50.137019][ T318] kasan_save_track+0x14/0x30
[ 50.137306][ T318] __kasan_kmalloc+0x7b/0x90
[ 50.137586][ T318] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 50.137888][ T318] alloc_netdev_mqs+0x7d/0x1370
[ 50.138178][ T318] rtnl_create_link+0xa9e/0xe20
[ 50.138459][ T318] rtnl_newlink_create+0x203/0x770
[ 50.138726][ T318] __rtnl_newlink+0x231/0xa30
[ 50.139020][ T318] rtnl_newlink+0x693/0xa60
[ 50.139294][ T318] rtnetlink_rcv_msg+0x709/0xc00
[ 50.139563][ T318] netlink_rcv_skb+0x121/0x340
[ 50.139902][ T318] netlink_unicast+0x4aa/0x780
[ 50.140198][ T318] netlink_sendmsg+0x714/0xbd0
[ 50.140489][ T318] ____sys_sendmsg+0x3dd/0x890
[ 50.140790][ T318] ___sys_sendmsg+0xed/0x170
[ 50.141078][ T318] __sys_sendmsg+0x10b/0x1a0
[ 50.141353][ T318] do_syscall_64+0xc1/0xfd0
[ 50.141642][ T318] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 50.142002][ T318]
[ 50.142153][ T318] Freed by task 318:
[ 50.142378][ T318] kasan_save_stack+0x24/0x40
[ 50.142651][ T318] kasan_save_track+0x14/0x30
[ 50.142931][ T318] __kasan_save_free_info+0x3b/0x60
[ 50.143200][ T318] __kasan_slab_free+0x3f/0x60
[ 50.143491][ T318] kfree+0x21d/0x540
[ 50.143697][ T318] device_release+0x9c/0x210
[ 50.143974][ T318] kobject_cleanup+0xfe/0x360
[ 50.144444][ T318] netdev_run_todo+0x81f/0xc60
[ 50.144724][ T318] rtnl_dellink+0x350/0xa30
[ 50.144987][ T318] rtnetlink_rcv_msg+0x709/0xc00
[ 50.145259][ T318] netlink_rcv_skb+0x121/0x340
[ 50.145699][ T318] netlink_unicast+0x4aa/0x780
[ 50.145965][ T318] netlink_sendmsg+0x714/0xbd0
[ 50.146229][ T318] ____sys_sendmsg+0x3dd/0x890
[ 50.146501][ T318] ___sys_sendmsg+0xed/0x170
[ 50.146958][ T318] __sys_sendmsg+0x10b/0x1a0
[ 50.147249][ T318] do_syscall_64+0xc1/0xfd0
[ 50.147521][ T318] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 50.147853][ T318]
[ 50.147989][ T318] The buggy address belongs to the object at ffff88800d591000
[ 50.147989][ T318] which belongs to the cache kmalloc-4k of size 4096
[ 50.148650][ T318] The buggy address is located 1708 bytes inside of
[ 50.148650][ T318] freed 4096-byte region [ffff88800d591000, ffff88800d592000)
[ 50.149320][ T318]
[ 50.149462][ T318] The buggy address belongs to the physical page:
[ 50.149811][ T318] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xd590
[ 50.150518][ T318] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 50.150946][ T318] flags: 0x80000000000040(head|node=0|zone=1)
[ 50.151305][ T318] page_type: f5(slab)
[ 50.151709][ T318] raw: 0080000000000040 ffff888001043700 ffffea0000488810 ffffea0000364a10
[ 50.152224][ T318] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 50.152737][ T318] head: 0080000000000040 ffff888001043700 ffffea0000488810 ffffea0000364a10
[ 50.153467][ T318] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 50.153997][ T318] head: 0080000000000003 ffffea0000356401 00000000ffffffff 00000000ffffffff
[ 50.154627][ T318] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 50.155029][ T318] page dumped because: kasan: bad access detected
[ 50.155465][ T318]
[ 50.155635][ T318] Memory state around the buggy address:
[ 50.155871][ T318] ffff88800d591580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 50.156274][ T318] ffff88800d591600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 50.156828][ T318] >ffff88800d591680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 50.157186][ T318] ^
[ 50.157443][ T318] ffff88800d591700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 50.158031][ T318] ffff88800d591780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 50.158431][ T318] ==================================================================
[ 50.159149][ T318] Disabling lock debugging due to kernel taint
[ 50.159495][ T318] ------------[ cut here ]------------
[ 50.159826][ T318] refcount_t: underflow; use-after-free.
[ 50.161301][ T318] WARNING: CPU: 1 PID: 318 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 50.161941][ T318] Modules linked in: act_gact act_mirred cls_flower sch_ingress ip_gre gre 8021q vrf veth
[ 50.162419][ T318] CPU: 1 UID: 0 PID: 318 Comm: teamd Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 50.163243][ T318] Tainted: [B]=BAD_PAGE
[ 50.163487][ T318] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 50.163828][ T318] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 50.164354][ T318] 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 8a 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
[ 50.165503][ T318] RSP: 0000:ffffc900005771f0 EFLAGS: 00010286
[ 50.165852][ T318] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 50.166400][ T318] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 50.166808][ T318] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff15be134
[ 50.167356][ T318] R10: 0000000000000003 R11: ffffc90000576d80 R12: 0000000000000001
[ 50.167749][ T318] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 50.168265][ T318] FS: 00007f3c9c11fb80(0000) GS:ffff8880aa072000(0000) knlGS:0000000000000000
[ 50.168733][ T318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 50.169193][ T318] CR2: 00007f24a0a56000 CR3: 0000000013e17002 CR4: 0000000000772ef0
[ 50.169622][ T318] PKRU: 55555554
[ 50.169830][ T318] Call Trace:
[ 50.170184][ T318]
[ 50.170328][ T318] netdev_run_todo+0x5f0/0xc60
[ 50.170612][ T318] ? dev_ingress_queue_create+0x190/0x190
[ 50.171022][ T318] ? generic_xdp_install+0x410/0x410
[ 50.171288][ T318] ? unregister_netdevice_many+0x20/0x20
[ 50.171548][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.171836][ T318] rtnl_dellink+0x350/0xa30
[ 50.172241][ T318] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 50.172601][ T318] ? find_held_lock+0x2b/0x80
[ 50.173003][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.173277][ T318] ? find_held_lock+0x2b/0x80
[ 50.173557][ T318] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 50.173848][ T318] ? __lock_release+0x5d/0x170
[ 50.174264][ T318] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 50.174574][ T318] rtnetlink_rcv_msg+0x709/0xc00
[ 50.174740][ T318] ? rtnl_port_fill+0x850/0x850
[ 50.175017][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.175207][ T318] netlink_rcv_skb+0x121/0x340
[ 50.175365][ T318] ? rtnl_port_fill+0x850/0x850
[ 50.175530][ T318] ? netlink_ack+0xdd0/0xdd0
[ 50.175688][ T318] ? netlink_deliver_tap+0x13e/0x340
[ 50.175857][ T318] ? netlink_deliver_tap+0xc3/0x340
[ 50.176126][ T318] netlink_unicast+0x4aa/0x780
[ 50.176292][ T318] ? netlink_attachskb+0x810/0x810
[ 50.176460][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.176620][ T318] netlink_sendmsg+0x714/0xbd0
[ 50.176780][ T318] ? netlink_unicast+0x780/0x780
[ 50.177044][ T318] ? __import_iovec+0x230/0x3b0
[ 50.177332][ T318] ? netlink_unicast+0x780/0x780
[ 50.177603][ T318] ____sys_sendmsg+0x3dd/0x890
[ 50.177998][ T318] ? get_timestamp.constprop.0+0x380/0x380
[ 50.178339][ T318] ? __copy_msghdr+0x3c0/0x3c0
[ 50.178648][ T318] ___sys_sendmsg+0xed/0x170
[ 50.179024][ T318] ? copy_msghdr_from_user+0x110/0x110
[ 50.179294][ T318] ? do_pte_missing+0xec0/0xec0
[ 50.179594][ T318] ? __lock_acquire+0x449/0x7e0
[ 50.180013][ T318] ? __handle_mm_fault+0x3fc/0x5d0
[ 50.180278][ T318] ? __pmd_alloc+0x700/0x700
[ 50.180546][ T318] ? lock_vma_under_rcu+0x2d/0x3d0
[ 50.180808][ T318] ? lock_vma_under_rcu+0x138/0x3d0
[ 50.181204][ T318] __sys_sendmsg+0x10b/0x1a0
[ 50.181486][ T318] ? __sys_sendmsg_sock+0x20/0x20
[ 50.181741][ T318] ? exc_page_fault+0x65/0xd0
[ 50.182139][ T318] ? do_user_addr_fault+0x955/0xe00
[ 50.182392][ T318] ? rcu_is_watching+0x12/0xb0
[ 50.182659][ T318] do_syscall_64+0xc1/0xfd0
[ 50.183037][ T318] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 50.183386][ T318] RIP: 0033:0x7f3c9c2601d7
[ 50.183639][ T318] 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
[ 50.184325][ T318] RSP: 002b:00007ffd5d418658 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 50.184581][ T318] RAX: ffffffffffffffda RBX: 0000000039965320 RCX: 00007f3c9c2601d7
[ 50.184824][ T318] RDX: 0000000000000000 RSI: 00007ffd5d418690 RDI: 0000000000000005
[ 50.185153][ T318] RBP: 0000000039965230 R08: 0000000000000003 R09: 0000000000000000
[ 50.185412][ T318] R10: 0000000000000200 R11: 0000000000000246 R12: 0000000039965690
[ 50.185658][ T318] R13: 00007ffd5d418690 R14: 0000000000000000 R15: 00007ffd5d4187f0
[ 50.185981][ T318]
[ 50.186111][ T318] irq event stamp: 140807
[ 50.186240][ T318] hardirqs last enabled at (140807): [] finish_task_switch.isra.0+0x245/0x960
[ 50.186574][ T318] hardirqs last disabled at (140806): [] __schedule+0x94a/0x1b10
[ 50.186866][ T318] softirqs last enabled at (140704): [] handle_softirqs+0x352/0x610
[ 50.187228][ T318] softirqs last disabled at (140691): [] irq_exit_rcu+0xab/0x100
[ 50.187514][ T318] ---[ end trace 0000000000000000 ]---
[ 50.515117][ T440] lag2: Mode changed to "loadbalance"
[ 50.699091][ T443] lag2: Port device veth3 added
[ 51.014994][ T448] lag2: Port device veth5 added
[ 51.214866][ T450] 8021q: adding VLAN 0 to HW filter on device lag2
[ 51.304895][ T451] 8021q: adding VLAN 0 to HW filter on device lag2
[ 57.943395][ T485] lag2: Port device veth3 removed
[ 62.151524][ T495] lag2: Port device veth5 removed
[ 67.222133][ T525] lag2: Mode changed to "loadbalance"
[ 67.404293][ T528] lag2: Port device veth3 added
[ 67.668080][ T533] lag2: Port device veth5 added
[ 67.851148][ T536] 8021q: adding VLAN 0 to HW filter on device lag2
[ 67.948763][ T537] 8021q: adding VLAN 0 to HW filter on device lag2
[ 74.498177][ T362] lag1: Port device veth4 removed
[ 74.503700][ T362] lag1: Port device veth2 removed
[ 76.213759][ T525] lag2: Port device veth5 removed
[ 76.216618][ T525] lag2: Port device veth3 removed