[ 13.345712][ T246] team0: Mode changed to "loadbalance"
[ 13.381551][ T246] team0: Port device dummy1 added
[ 13.386740][ T246] team0: Port device dummy2 added
[ 13.635849][ T251] dummy1: entered promiscuous mode
[ 13.636485][ T251] dummy2: entered promiscuous mode
[ 14.291710][ T270] dummy1: left promiscuous mode
[ 14.292205][ T270] dummy2: left promiscuous mode
[ 14.472387][ T271] team0 (unregistering): Port device dummy1 removed
[ 14.477026][ T271] team0 (unregistering): Port device dummy2 removed
[ 14.541200][ T271] ==================================================================
[ 14.541551][ T271] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 14.541846][ T271] Read of size 1 at addr ffff88800847969c by task ip/271
[ 14.542085][ T271]
[ 14.542204][ T271] CPU: 1 UID: 0 PID: 271 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 14.542214][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.542218][ T271] Call Trace:
[ 14.542220][ T271]
[ 14.542222][ T271] dump_stack_lvl+0x82/0xc0
[ 14.542228][ T271] print_address_description.constprop.0+0x2c/0x3a0
[ 14.542235][ T271] ? kobject_put+0xbb/0xd0
[ 14.542239][ T271] print_report+0xb4/0x270
[ 14.542242][ T271] ? kobject_put+0xbb/0xd0
[ 14.542244][ T271] ? kasan_addr_to_slab+0x21/0x70
[ 14.542247][ T271] ? kobject_put+0xbb/0xd0
[ 14.542249][ T271] kasan_report+0xca/0x100
[ 14.542253][ T271] ? kobject_put+0xbb/0xd0
[ 14.542258][ T271] kobject_put+0xbb/0xd0
[ 14.542261][ T271] netdev_run_todo+0x5f0/0xc60
[ 14.542267][ T271] ? dev_ingress_queue_create+0x190/0x190
[ 14.542271][ T271] ? generic_xdp_install+0x410/0x410
[ 14.542274][ T271] ? unregister_netdevice_many+0x20/0x20
[ 14.542277][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.542285][ T271] rtnl_dellink+0x350/0xa30
[ 14.542291][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 14.542310][ T271] ? find_held_lock+0x2b/0x80
[ 14.542315][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.542321][ T271] ? find_held_lock+0x2b/0x80
[ 14.542324][ T271] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 14.542327][ T271] ? __lock_release+0x5d/0x170
[ 14.542331][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 14.542335][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 14.542338][ T271] ? rtnl_port_fill+0x850/0x850
[ 14.542341][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.542348][ T271] netlink_rcv_skb+0x121/0x340
[ 14.542353][ T271] ? rtnl_port_fill+0x850/0x850
[ 14.542357][ T271] ? netlink_ack+0xdd0/0xdd0
[ 14.542363][ T271] ? netlink_deliver_tap+0x13e/0x340
[ 14.542369][ T271] ? netlink_deliver_tap+0xc3/0x340
[ 14.542374][ T271] netlink_unicast+0x4aa/0x780
[ 14.542377][ T271] ? netlink_attachskb+0x810/0x810
[ 14.542381][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.542386][ T271] netlink_sendmsg+0x714/0xbd0
[ 14.542390][ T271] ? netlink_unicast+0x780/0x780
[ 14.542394][ T271] ? __import_iovec+0x230/0x3b0
[ 14.542402][ T271] ? netlink_unicast+0x780/0x780
[ 14.542405][ T271] ____sys_sendmsg+0x3dd/0x890
[ 14.542412][ T271] ? get_timestamp.constprop.0+0x380/0x380
[ 14.542415][ T271] ? __copy_msghdr+0x3c0/0x3c0
[ 14.542422][ T271] ___sys_sendmsg+0xed/0x170
[ 14.542424][ T271] ? kasan_record_aux_stack+0x8c/0xa0
[ 14.542427][ T271] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 14.542435][ T271] ? copy_msghdr_from_user+0x110/0x110
[ 14.542439][ T271] ? find_held_lock+0x2b/0x80
[ 14.542444][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.542449][ T271] ? find_held_lock+0x2b/0x80
[ 14.542453][ T271] ? __virt_addr_valid+0x22a/0x450
[ 14.542458][ T271] ? __lock_release+0x5d/0x170
[ 14.542464][ T271] __sys_sendmsg+0x10b/0x1a0
[ 14.542466][ T271] ? __call_rcu_common.constprop.0+0x318/0x630
[ 14.542470][ T271] ? __sys_sendmsg_sock+0x20/0x20
[ 14.542476][ T271] ? rcu_is_watching+0x12/0xb0
[ 14.542480][ T271] do_syscall_64+0xc1/0xfd0
[ 14.542485][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 14.542489][ T271] RIP: 0033:0x7facb30a11d7
[ 14.542494][ 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
[ 14.542497][ T271] RSP: 002b:00007fffdee02e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 14.542501][ T271] RAX: ffffffffffffffda RBX: 00007fffdee03560 RCX: 00007facb30a11d7
[ 14.542504][ T271] RDX: 0000000000000000 RSI: 00007fffdee02ea0 RDI: 0000000000000005
[ 14.542505][ T271] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 14.542507][ T271] R10: 00007facb2f9df60 R11: 0000000000000246 R12: 0000000000000001
[ 14.542509][ T271] R13: 00000000690e0179 R14: 0000000000499600 R15: 0000000000000000
[ 14.542515][ T271]
[ 14.542516][ T271]
[ 14.557570][ T271] Allocated by task 251:
[ 14.557742][ T271] kasan_save_stack+0x24/0x40
[ 14.557963][ T271] kasan_save_track+0x14/0x30
[ 14.558149][ T271] __kasan_kmalloc+0x7b/0x90
[ 14.558329][ T271] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 14.558508][ T271] alloc_netdev_mqs+0x7d/0x1310
[ 14.558707][ T271] rtnl_create_link+0xa9e/0xe20
[ 14.558888][ T271] rtnl_newlink_create+0x203/0x8f0
[ 14.559082][ T271] __rtnl_newlink+0x231/0xa30
[ 14.559351][ T271] rtnl_newlink+0x693/0xa60
[ 14.559559][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 14.559731][ T271] netlink_rcv_skb+0x121/0x340
[ 14.559956][ T271] netlink_unicast+0x4aa/0x780
[ 14.560234][ T271] netlink_sendmsg+0x714/0xbd0
[ 14.560476][ T271] ____sys_sendmsg+0x3dd/0x890
[ 14.560746][ T271] ___sys_sendmsg+0xed/0x170
[ 14.560987][ T271] __sys_sendmsg+0x10b/0x1a0
[ 14.561176][ T271] do_syscall_64+0xc1/0xfd0
[ 14.561418][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 14.561668][ T271]
[ 14.561775][ T271] Freed by task 271:
[ 14.561940][ T271] kasan_save_stack+0x24/0x40
[ 14.562121][ T271] kasan_save_track+0x14/0x30
[ 14.562340][ T271] __kasan_save_free_info+0x3b/0x60
[ 14.562550][ T271] __kasan_slab_free+0x3f/0x60
[ 14.562769][ T271] kfree+0x21d/0x540
[ 14.562956][ T271] device_release+0x9c/0x210
[ 14.563190][ T271] kobject_cleanup+0xfe/0x360
[ 14.563385][ T271] netdev_run_todo+0x81f/0xc60
[ 14.563563][ T271] rtnl_dellink+0x350/0xa30
[ 14.563773][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 14.563955][ T271] netlink_rcv_skb+0x121/0x340
[ 14.564143][ T271] netlink_unicast+0x4aa/0x780
[ 14.564356][ T271] netlink_sendmsg+0x714/0xbd0
[ 14.564568][ T271] ____sys_sendmsg+0x3dd/0x890
[ 14.564758][ T271] ___sys_sendmsg+0xed/0x170
[ 14.564948][ T271] __sys_sendmsg+0x10b/0x1a0
[ 14.565129][ T271] do_syscall_64+0xc1/0xfd0
[ 14.565317][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 14.565590][ T271]
[ 14.565708][ T271] The buggy address belongs to the object at ffff888008479000
[ 14.565708][ T271] which belongs to the cache kmalloc-4k of size 4096
[ 14.566241][ T271] The buggy address is located 1692 bytes inside of
[ 14.566241][ T271] freed 4096-byte region [ffff888008479000, ffff88800847a000)
[ 14.566688][ T271]
[ 14.566773][ T271] The buggy address belongs to the physical page:
[ 14.567030][ T271] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8478
[ 14.567437][ T271] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 14.567725][ T271] flags: 0x80000000000040(head|node=0|zone=1)
[ 14.568051][ T271] page_type: f5(slab)
[ 14.568273][ T271] raw: 0080000000000040 ffff888001043700 ffffea0000306610 ffffea0000099410
[ 14.568683][ T271] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 14.569042][ T271] head: 0080000000000040 ffff888001043700 ffffea0000306610 ffffea0000099410
[ 14.569458][ T271] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 14.569856][ T271] head: 0080000000000003 ffffea0000211e01 00000000ffffffff 00000000ffffffff
[ 14.570205][ T271] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 14.570546][ T271] page dumped because: kasan: bad access detected
[ 14.570828][ T271]
[ 14.570922][ T271] Memory state around the buggy address:
[ 14.571194][ T271] ffff888008479580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 14.571467][ T271] ffff888008479600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 14.571754][ T271] >ffff888008479680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 14.572038][ T271] ^
[ 14.572253][ T271] ffff888008479700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 14.572581][ T271] ffff888008479780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 14.572874][ T271] ==================================================================
[ 14.573819][ T271] Disabling lock debugging due to kernel taint
[ 14.574210][ T271] ------------[ cut here ]------------
[ 14.574472][ T271] refcount_t: underflow; use-after-free.
[ 14.574731][ T271] WARNING: CPU: 1 PID: 271 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 14.575075][ T271] Modules linked in:
[ 14.575784][ T271] CPU: 1 UID: 0 PID: 271 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 14.576195][ T271] Tainted: [B]=BAD_PAGE
[ 14.576339][ T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.576567][ T271] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 14.576904][ 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 93 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
[ 14.577609][ T271] RSP: 0018:ffffc90000c071f0 EFLAGS: 00010286
[ 14.577901][ T271] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 14.578192][ T271] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 14.578493][ T271] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff27be134
[ 14.578808][ T271] R10: 0000000000000003 R11: ffffc90000c06d80 R12: 0000000000000001
[ 14.579088][ T271] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 14.579456][ T271] FS: 00007facb2ed3800(0000) GS:ffff8880a1001000(0000) knlGS:0000000000000000
[ 14.579820][ T271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 14.580080][ T271] CR2: 0000563463724718 CR3: 000000000e0be004 CR4: 0000000000772ef0
[ 14.580412][ T271] PKRU: 55555554
[ 14.580555][ T271] Call Trace:
[ 14.580705][ T271]
[ 14.580796][ T271] netdev_run_todo+0x5f0/0xc60
[ 14.581011][ T271] ? dev_ingress_queue_create+0x190/0x190
[ 14.581209][ T271] ? generic_xdp_install+0x410/0x410
[ 14.581464][ T271] ? unregister_netdevice_many+0x20/0x20
[ 14.581685][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.581883][ T271] rtnl_dellink+0x350/0xa30
[ 14.582065][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 14.582330][ T271] ? find_held_lock+0x2b/0x80
[ 14.582524][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.582755][ T271] ? find_held_lock+0x2b/0x80
[ 14.582947][ T271] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 14.583148][ T271] ? __lock_release+0x5d/0x170
[ 14.583345][ T271] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 14.583593][ T271] rtnetlink_rcv_msg+0x709/0xc00
[ 14.583827][ T271] ? rtnl_port_fill+0x850/0x850
[ 14.584025][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.584205][ T271] netlink_rcv_skb+0x121/0x340
[ 14.584366][ T271] ? rtnl_port_fill+0x850/0x850
[ 14.584542][ T271] ? netlink_ack+0xdd0/0xdd0
[ 14.584726][ T271] ? netlink_deliver_tap+0x13e/0x340
[ 14.584939][ T271] ? netlink_deliver_tap+0xc3/0x340
[ 14.585198][ T271] netlink_unicast+0x4aa/0x780
[ 14.585414][ T271] ? netlink_attachskb+0x810/0x810
[ 14.585615][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.585803][ T271] netlink_sendmsg+0x714/0xbd0
[ 14.585979][ T271] ? netlink_unicast+0x780/0x780
[ 14.586170][ T271] ? __import_iovec+0x230/0x3b0
[ 14.586379][ T271] ? netlink_unicast+0x780/0x780
[ 14.586592][ T271] ____sys_sendmsg+0x3dd/0x890
[ 14.586779][ T271] ? get_timestamp.constprop.0+0x380/0x380
[ 14.587042][ T271] ? __copy_msghdr+0x3c0/0x3c0
[ 14.587278][ T271] ___sys_sendmsg+0xed/0x170
[ 14.587531][ T271] ? kasan_record_aux_stack+0x8c/0xa0
[ 14.587718][ T271] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 14.588018][ T271] ? copy_msghdr_from_user+0x110/0x110
[ 14.588279][ T271] ? find_held_lock+0x2b/0x80
[ 14.588483][ T271] ? __lock_acquire+0x449/0x7e0
[ 14.588791][ T271] ? find_held_lock+0x2b/0x80
[ 14.588977][ T271] ? __virt_addr_valid+0x22a/0x450
[ 14.589183][ T271] ? __lock_release+0x5d/0x170
[ 14.589349][ T271] __sys_sendmsg+0x10b/0x1a0
[ 14.589700][ T271] ? __call_rcu_common.constprop.0+0x318/0x630
[ 14.589922][ T271] ? __sys_sendmsg_sock+0x20/0x20
[ 14.590129][ T271] ? rcu_is_watching+0x12/0xb0
[ 14.590440][ T271] do_syscall_64+0xc1/0xfd0
[ 14.590708][ T271] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 14.590962][ T271] RIP: 0033:0x7facb30a11d7
[ 14.591218][ 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
[ 14.592056][ T271] RSP: 002b:00007fffdee02e38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 14.592486][ T271] RAX: ffffffffffffffda RBX: 00007fffdee03560 RCX: 00007facb30a11d7
[ 14.592751][ T271] RDX: 0000000000000000 RSI: 00007fffdee02ea0 RDI: 0000000000000005
[ 14.593011][ T271] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 14.593424][ T271] R10: 00007facb2f9df60 R11: 0000000000000246 R12: 0000000000000001
[ 14.593673][ T271] R13: 00000000690e0179 R14: 0000000000499600 R15: 0000000000000000
[ 14.593933][ T271]
[ 14.594191][ T271] irq event stamp: 63857
[ 14.594348][ T271] hardirqs last enabled at (63857): [] finish_task_switch.isra.0+0x245/0x960
[ 14.594724][ T271] hardirqs last disabled at (63856): [] __schedule+0x94a/0x1b10
[ 14.595138][ T271] softirqs last enabled at (63676): [] handle_softirqs+0x352/0x610
[ 14.595453][ T271] softirqs last disabled at (63197): [] irq_exit_rcu+0xab/0x100
[ 14.595877][ T271] ---[ end trace 0000000000000000 ]---