[ 82.753899][ T693] eth1: renamed from tmp
[ 126.500384][ T1083] ==================================================================
[ 126.500736][ T1083] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 126.501012][ T1083] Read of size 1 at addr ffff888005a916c4 by task ip/1083
[ 126.501231][ T1083]
[ 126.501332][ T1083] CPU: 3 UID: 0 PID: 1083 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 126.501338][ T1083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.501341][ T1083] Call Trace:
[ 126.501344][ T1083]
[ 126.501347][ T1083] dump_stack_lvl+0x82/0xc0
[ 126.501354][ T1083] print_address_description.constprop.0+0x2c/0x3a0
[ 126.501362][ T1083] ? kobject_put+0xbb/0xd0
[ 126.501365][ T1083] print_report+0xb4/0x270
[ 126.501369][ T1083] ? kobject_put+0xbb/0xd0
[ 126.501372][ T1083] ? kasan_addr_to_slab+0x21/0x70
[ 126.501375][ T1083] ? kobject_put+0xbb/0xd0
[ 126.501378][ T1083] kasan_report+0xca/0x100
[ 126.501382][ T1083] ? kobject_put+0xbb/0xd0
[ 126.501388][ T1083] kobject_put+0xbb/0xd0
[ 126.501391][ T1083] netdev_run_todo+0x5f0/0xc60
[ 126.501397][ T1083] ? dev_ingress_queue_create+0x190/0x190
[ 126.501401][ T1083] ? generic_xdp_install+0x410/0x410
[ 126.501404][ T1083] ? unregister_netdevice_many+0x20/0x20
[ 126.501410][ T1083] rtnl_dellink+0x350/0xa30
[ 126.501416][ T1083] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 126.501435][ T1083] ? find_held_lock+0x2b/0x80
[ 126.501442][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.501448][ T1083] ? find_held_lock+0x2b/0x80
[ 126.501452][ T1083] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 126.501455][ T1083] ? __lock_release+0x5d/0x170
[ 126.501458][ T1083] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 126.501462][ T1083] rtnetlink_rcv_msg+0x709/0xc00
[ 126.501466][ T1083] ? rtnl_port_fill+0x890/0x890
[ 126.501470][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.501476][ T1083] netlink_rcv_skb+0x121/0x340
[ 126.501480][ T1083] ? rtnl_port_fill+0x890/0x890
[ 126.501484][ T1083] ? netlink_ack+0xdf0/0xdf0
[ 126.501490][ T1083] ? netlink_deliver_tap+0x13e/0x340
[ 126.501493][ T1083] ? netlink_deliver_tap+0xc3/0x340
[ 126.501496][ T1083] netlink_unicast+0x4aa/0x780
[ 126.501500][ T1083] ? netlink_attachskb+0x810/0x810
[ 126.501503][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.501508][ T1083] netlink_sendmsg+0x714/0xbd0
[ 126.501512][ T1083] ? netlink_unicast+0x780/0x780
[ 126.501515][ T1083] ? __import_iovec+0x230/0x3b0
[ 126.501524][ T1083] ? netlink_unicast+0x780/0x780
[ 126.501527][ T1083] ____sys_sendmsg+0x3dd/0x890
[ 126.501530][ T1083] ? get_timestamp.constprop.0+0x370/0x370
[ 126.501533][ T1083] ? __copy_msghdr+0x3c0/0x3c0
[ 126.501540][ T1083] ___sys_sendmsg+0xed/0x170
[ 126.501542][ T1083] ? kasan_record_aux_stack+0x8c/0xa0
[ 126.501545][ T1083] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 126.501550][ T1083] ? copy_msghdr_from_user+0x110/0x110
[ 126.501554][ T1083] ? find_held_lock+0x2b/0x80
[ 126.501559][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.501564][ T1083] ? find_held_lock+0x2b/0x80
[ 126.501568][ T1083] ? __virt_addr_valid+0x22a/0x450
[ 126.501573][ T1083] ? __lock_release+0x5d/0x170
[ 126.501578][ T1083] __sys_sendmsg+0x10b/0x1a0
[ 126.501581][ T1083] ? __call_rcu_common.constprop.0+0x318/0x630
[ 126.501583][ T1083] ? __sys_sendmsg_sock+0x20/0x20
[ 126.501590][ T1083] ? rcu_is_watching+0x12/0xb0
[ 126.501598][ T1083] do_syscall_64+0xc1/0xfd0
[ 126.501604][ T1083] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 126.501607][ T1083] RIP: 0033:0x7f91f061b1d7
[ 126.501612][ T1083] 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
[ 126.501615][ T1083] RSP: 002b:00007ffefae44b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 126.501619][ T1083] RAX: ffffffffffffffda RBX: 00007ffefae45270 RCX: 00007f91f061b1d7
[ 126.501621][ T1083] RDX: 0000000000000000 RSI: 00007ffefae44ba0 RDI: 0000000000000005
[ 126.501623][ T1083] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 126.501625][ T1083] R10: 00007f91f0517510 R11: 0000000000000246 R12: 0000000000000002
[ 126.501626][ T1083] R13: 00000000690dfb8d R14: 0000000000499600 R15: 0000000000000000
[ 126.501633][ T1083]
[ 126.501634][ T1083]
[ 126.517127][ T1083] Allocated by task 691:
[ 126.517266][ T1083] kasan_save_stack+0x24/0x40
[ 126.517470][ T1083] kasan_save_track+0x14/0x30
[ 126.517750][ T1083] __kasan_kmalloc+0x7b/0x90
[ 126.517930][ T1083] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 126.518110][ T1083] alloc_netdev_mqs+0x7d/0x1370
[ 126.518294][ T1083] rtnl_create_link+0xa9e/0xe20
[ 126.518580][ T1083] rtnl_newlink_create+0x203/0x8f0
[ 126.518762][ T1083] __rtnl_newlink+0x231/0xa30
[ 126.518944][ T1083] rtnl_newlink+0x693/0xa60
[ 126.519127][ T1083] rtnetlink_rcv_msg+0x709/0xc00
[ 126.519419][ T1083] netlink_rcv_skb+0x121/0x340
[ 126.519600][ T1083] netlink_unicast+0x4aa/0x780
[ 126.519778][ T1083] netlink_sendmsg+0x714/0xbd0
[ 126.519958][ T1083] ____sys_sendmsg+0x3dd/0x890
[ 126.520237][ T1083] ___sys_sendmsg+0xed/0x170
[ 126.520428][ T1083] __sys_sendmsg+0x10b/0x1a0
[ 126.520606][ T1083] do_syscall_64+0xc1/0xfd0
[ 126.520785][ T1083] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 126.521103][ T1083]
[ 126.521193][ T1083] Freed by task 1083:
[ 126.521329][ T1083] kasan_save_stack+0x24/0x40
[ 126.521518][ T1083] kasan_save_track+0x14/0x30
[ 126.521696][ T1083] __kasan_save_free_info+0x3b/0x60
[ 126.521975][ T1083] __kasan_slab_free+0x3f/0x60
[ 126.522151][ T1083] kfree+0x21d/0x540
[ 126.522285][ T1083] device_release+0x9c/0x210
[ 126.522475][ T1083] kobject_cleanup+0xfe/0x360
[ 126.522760][ T1083] netdev_run_todo+0x81f/0xc60
[ 126.522938][ T1083] rtnl_dellink+0x350/0xa30
[ 126.523117][ T1083] rtnetlink_rcv_msg+0x709/0xc00
[ 126.523298][ T1083] netlink_rcv_skb+0x121/0x340
[ 126.523581][ T1083] netlink_unicast+0x4aa/0x780
[ 126.523764][ T1083] netlink_sendmsg+0x714/0xbd0
[ 126.523955][ T1083] ____sys_sendmsg+0x3dd/0x890
[ 126.524134][ T1083] ___sys_sendmsg+0xed/0x170
[ 126.524422][ T1083] __sys_sendmsg+0x10b/0x1a0
[ 126.524600][ T1083] do_syscall_64+0xc1/0xfd0
[ 126.524780][ T1083] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 126.525002][ T1083]
[ 126.525188][ T1083] The buggy address belongs to the object at ffff888005a91000
[ 126.525188][ T1083] which belongs to the cache kmalloc-4k of size 4096
[ 126.525639][ T1083] The buggy address is located 1732 bytes inside of
[ 126.525639][ T1083] freed 4096-byte region [ffff888005a91000, ffff888005a92000)
[ 126.526160][ T1083]
[ 126.526251][ T1083] The buggy address belongs to the physical page:
[ 126.526484][ T1083] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5a90
[ 126.526927][ T1083] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 126.527202][ T1083] flags: 0x80000000000040(head|node=0|zone=1)
[ 126.527443][ T1083] page_type: f5(slab)
[ 126.527686][ T1083] raw: 0080000000000040 ffff888001043700 ffffea00002ebc10 ffffea0000155410
[ 126.528008][ T1083] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 126.528328][ T1083] head: 0080000000000040 ffff888001043700 ffffea00002ebc10 ffffea0000155410
[ 126.528759][ T1083] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 126.529074][ T1083] head: 0080000000000003 ffffea000016a401 00000000ffffffff 00000000ffffffff
[ 126.529535][ T1083] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 126.529848][ T1083] page dumped because: kasan: bad access detected
[ 126.530173][ T1083]
[ 126.530261][ T1083] Memory state around the buggy address:
[ 126.530440][ T1083] ffff888005a91580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 126.530699][ T1083] ffff888005a91600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 126.531051][ T1083] >ffff888005a91680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 126.531313][ T1083] ^
[ 126.531532][ T1083] ffff888005a91700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 126.531883][ T1083] ffff888005a91780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 126.532140][ T1083] ==================================================================
[ 126.532560][ T1083] Disabling lock debugging due to kernel taint
[ 126.532779][ T1083] ------------[ cut here ]------------
[ 126.532944][ T1083] refcount_t: underflow; use-after-free.
[ 126.533140][ T1083] WARNING: CPU: 3 PID: 1083 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 126.533564][ T1083] Modules linked in:
[ 126.533701][ T1083] CPU: 3 UID: 0 PID: 1083 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 126.534057][ T1083] Tainted: [B]=BAD_PAGE
[ 126.534190][ T1083] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 126.534519][ T1083] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 126.534740][ T1083] Code: cc 38 03 80 fb 01 0f 87 29 33 d7 fe 83 e3 01 0f 85 51 ff ff ff c6 05 17 cc 38 03 01 90 48 c7 c7 40 ba 85 96 e8 62 d6 16 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 c0 9d a0 ff e9 ba fe ff ff
[ 126.535464][ T1083] RSP: 0018:ffffc900023971f0 EFLAGS: 00010286
[ 126.535681][ T1083] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 126.536036][ T1083] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 126.536301][ T1083] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff2f00934
[ 126.536580][ T1083] R10: 0000000000000003 R11: ffffc90002396d80 R12: 0000000000000001
[ 126.536935][ T1083] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 126.537197][ T1083] FS: 00007f91f044d800(0000) GS:ffff8880d4488000(0000) knlGS:0000000000000000
[ 126.537610][ T1083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 126.537833][ T1083] CR2: 00000000004e5a38 CR3: 000000000586b003 CR4: 0000000000772ef0
[ 126.538090][ T1083] PKRU: 55555554
[ 126.538222][ T1083] Call Trace:
[ 126.538364][ T1083]
[ 126.538455][ T1083] netdev_run_todo+0x5f0/0xc60
[ 126.538634][ T1083] ? dev_ingress_queue_create+0x190/0x190
[ 126.538809][ T1083] ? generic_xdp_install+0x410/0x410
[ 126.539071][ T1083] ? unregister_netdevice_many+0x20/0x20
[ 126.539252][ T1083] rtnl_dellink+0x350/0xa30
[ 126.539443][ T1083] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 126.539668][ T1083] ? find_held_lock+0x2b/0x80
[ 126.539938][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.540110][ T1083] ? find_held_lock+0x2b/0x80
[ 126.540292][ T1083] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 126.540474][ T1083] ? __lock_release+0x5d/0x170
[ 126.540743][ T1083] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 126.540956][ T1083] rtnetlink_rcv_msg+0x709/0xc00
[ 126.541129][ T1083] ? rtnl_port_fill+0x890/0x890
[ 126.541309][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.541580][ T1083] netlink_rcv_skb+0x121/0x340
[ 126.541753][ T1083] ? rtnl_port_fill+0x890/0x890
[ 126.541928][ T1083] ? netlink_ack+0xdf0/0xdf0
[ 126.542108][ T1083] ? netlink_deliver_tap+0x13e/0x340
[ 126.542394][ T1083] ? netlink_deliver_tap+0xc3/0x340
[ 126.542567][ T1083] netlink_unicast+0x4aa/0x780
[ 126.542740][ T1083] ? netlink_attachskb+0x810/0x810
[ 126.542913][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.543179][ T1083] netlink_sendmsg+0x714/0xbd0
[ 126.543361][ T1083] ? netlink_unicast+0x780/0x780
[ 126.543536][ T1083] ? __import_iovec+0x230/0x3b0
[ 126.543716][ T1083] ? netlink_unicast+0x780/0x780
[ 126.543978][ T1083] ____sys_sendmsg+0x3dd/0x890
[ 126.544150][ T1083] ? get_timestamp.constprop.0+0x370/0x370
[ 126.544378][ T1083] ? __copy_msghdr+0x3c0/0x3c0
[ 126.544555][ T1083] ___sys_sendmsg+0xed/0x170
[ 126.544819][ T1083] ? kasan_record_aux_stack+0x8c/0xa0
[ 126.544993][ T1083] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 126.545210][ T1083] ? copy_msghdr_from_user+0x110/0x110
[ 126.545490][ T1083] ? find_held_lock+0x2b/0x80
[ 126.545669][ T1083] ? __lock_acquire+0x449/0x7e0
[ 126.545841][ T1083] ? find_held_lock+0x2b/0x80
[ 126.546013][ T1083] ? __virt_addr_valid+0x22a/0x450
[ 126.546285][ T1083] ? __lock_release+0x5d/0x170
[ 126.546469][ T1083] __sys_sendmsg+0x10b/0x1a0
[ 126.546655][ T1083] ? __call_rcu_common.constprop.0+0x318/0x630
[ 126.546873][ T1083] ? __sys_sendmsg_sock+0x20/0x20
[ 126.547141][ T1083] ? rcu_is_watching+0x12/0xb0
[ 126.547319][ T1083] do_syscall_64+0xc1/0xfd0
[ 126.547504][ T1083] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 126.547715][ T1083] RIP: 0033:0x7f91f061b1d7
[ 126.547993][ T1083] 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
[ 126.548719][ T1083] RSP: 002b:00007ffefae44b38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 126.548983][ T1083] RAX: ffffffffffffffda RBX: 00007ffefae45270 RCX: 00007f91f061b1d7
[ 126.549241][ T1083] RDX: 0000000000000000 RSI: 00007ffefae44ba0 RDI: 0000000000000005
[ 126.549617][ T1083] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 126.549876][ T1083] R10: 00007f91f0517510 R11: 0000000000000246 R12: 0000000000000002
[ 126.550132][ T1083] R13: 00000000690dfb8d R14: 0000000000499600 R15: 0000000000000000
[ 126.550502][ T1083]
[ 126.550635][ T1083] irq event stamp: 46975
[ 126.550767][ T1083] hardirqs last enabled at (46975): [] irqentry_exit+0x3b/0x80
[ 126.551167][ T1083] hardirqs last disabled at (46974): [] handle_softirqs+0x47f/0x610
[ 126.551481][ T1083] softirqs last enabled at (46858): [] handle_softirqs+0x352/0x610
[ 126.551783][ T1083] softirqs last disabled at (46851): [] irq_exit_rcu+0xab/0x100
[ 126.552179][ T1083] ---[ end trace 0000000000000000 ]---
[ 130.691768][ T1144] eth1: renamed from tmp
[ 161.484583][ T1595] eth1: renamed from tmp
[ 194.518795][ T2059] eth1: renamed from tmp
[ 228.261344][ T2525] eth1: renamed from tmp
[ 343.497674][ T3755] eth1: renamed from tmp
[ 358.370447][ T4019] eth2: renamed from tmp
[ 448.227009][ T4931] eth1: renamed from tmp
[ 535.581444][ T6626] eth1: renamed from tmp
[ 582.317751][ T7477] eth1: renamed from tmp
[ 595.038442][ T7663] eth1: renamed from tmp
[ 611.460751][ T7906] eth1: renamed from tmp
[ 624.464183][ T8034] eth1: renamed from tmp
[ 635.556413][ T8162] eth1: renamed from tmp
[ 648.867612][ T8298] eth1: renamed from tmp
[ 662.298608][ T8433] eth1: renamed from tmp
[ 675.466563][ T8568] eth1: renamed from tmp
[ 688.539522][ T8703] eth1: renamed from tmp
[ 701.915527][ T8838] eth1: renamed from tmp
[ 715.286447][ T8973] eth1: renamed from tmp
[ 728.679586][ T9107] eth1: renamed from tmp
[ 742.109637][ T9241] eth1: renamed from tmp
[ 755.490524][ T9376] eth1: renamed from tmp
[ 768.754514][ T9511] eth1: renamed from tmp
[ 782.072552][ T9647] eth1: renamed from tmp
[ 795.575967][ T9782] eth1: renamed from tmp
[ 809.008539][ T9917] eth1: renamed from tmp
[ 822.605555][T10052] eth1: renamed from tmp
[ 835.998666][T10187] eth1: renamed from tmp
[ 849.382574][T10322] eth1: renamed from tmp
[ 862.601355][T10457] eth1: renamed from tmp
[ 876.110390][T10592] eth1: renamed from tmp
[ 889.016407][T10727] eth1: renamed from tmp
[ 901.952488][T10862] eth1: renamed from tmp
[ 914.756599][T10997] eth1: renamed from tmp
[ 927.699460][T11131] eth1: renamed from tmp
[ 941.164666][T11266] eth1: renamed from tmp
[ 954.498962][T11401] eth1: renamed from tmp
[ 967.946264][T11536] eth1: renamed from tmp
[ 980.948530][T11671] eth1: renamed from tmp
[ 993.688273][T11806] eth1: renamed from tmp
[ 1006.670802][T11941] eth1: renamed from tmp
[ 1019.900960][T12076] eth1: renamed from tmp
[ 1033.249324][T12212] eth1: renamed from tmp
[ 1049.222689][T12375] eth1: renamed from tmp
[ 1065.353605][T12538] eth1: renamed from tmp
[ 1081.460552][T12701] eth1: renamed from tmp
[ 1097.552433][T12864] eth1: renamed from tmp
[ 1113.701698][T13027] eth1: renamed from tmp
[ 1129.861147][T13190] eth1: renamed from tmp
[ 1146.113090][T13352] eth1: renamed from tmp
[ 1162.014352][T13514] eth1: renamed from tmp
[ 1178.171788][T13677] eth1: renamed from tmp
[ 1194.408565][T13840] eth1: renamed from tmp
[ 1210.710568][T14003] eth1: renamed from tmp
[ 1226.860760][T14166] eth1: renamed from tmp
[ 1243.154562][T14329] eth1: renamed from tmp
[ 1259.203699][T14492] eth1: renamed from tmp
[ 1275.607540][T14656] eth1: renamed from tmp