[ 19.002719][ T283] ip (283) used greatest stack depth: 24528 bytes left
[ 23.173157][ T306] ip (306) used greatest stack depth: 23760 bytes left
[ 23.470812][ T308] eth1: renamed from tmp
[ 70.551703][ T698] ==================================================================
[ 70.552187][ T698] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 70.552583][ T698] Read of size 1 at addr ffff8880086096c4 by task ip/698
[ 70.552906][ T698]
[ 70.553087][ T698] CPU: 2 UID: 0 PID: 698 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 70.553094][ T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 70.553097][ T698] Call Trace:
[ 70.553100][ T698]
[ 70.553102][ T698] dump_stack_lvl+0x82/0xc0
[ 70.553112][ T698] print_address_description.constprop.0+0x2c/0x3a0
[ 70.553121][ T698] ? kobject_put+0xbb/0xd0
[ 70.553126][ T698] print_report+0xb4/0x270
[ 70.553132][ T698] ? kobject_put+0xbb/0xd0
[ 70.553137][ T698] ? kasan_addr_to_slab+0x21/0x70
[ 70.553143][ T698] ? kobject_put+0xbb/0xd0
[ 70.553147][ T698] kasan_report+0xca/0x100
[ 70.553154][ T698] ? kobject_put+0xbb/0xd0
[ 70.553163][ T698] kobject_put+0xbb/0xd0
[ 70.553169][ T698] netdev_run_todo+0x5f0/0xc60
[ 70.553178][ T698] ? dev_ingress_queue_create+0x190/0x190
[ 70.553183][ T698] ? generic_xdp_install+0x410/0x410
[ 70.553188][ T698] ? unregister_netdevice_many+0x20/0x20
[ 70.553198][ T698] rtnl_dellink+0x350/0xa30
[ 70.553207][ T698] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 70.553244][ T698] ? find_held_lock+0x2b/0x80
[ 70.553254][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.553265][ T698] ? find_held_lock+0x2b/0x80
[ 70.553271][ T698] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 70.553276][ T698] ? __lock_release+0x5d/0x170
[ 70.553282][ T698] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 70.553288][ T698] rtnetlink_rcv_msg+0x709/0xc00
[ 70.553294][ T698] ? rtnl_port_fill+0x890/0x890
[ 70.553299][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.553310][ T698] netlink_rcv_skb+0x121/0x340
[ 70.553316][ T698] ? rtnl_port_fill+0x890/0x890
[ 70.553323][ T698] ? netlink_ack+0xdf0/0xdf0
[ 70.553336][ T698] ? netlink_deliver_tap+0x13e/0x340
[ 70.553340][ T698] ? netlink_deliver_tap+0xc3/0x340
[ 70.553345][ T698] netlink_unicast+0x4aa/0x780
[ 70.553351][ T698] ? netlink_attachskb+0x810/0x810
[ 70.553358][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.553366][ T698] netlink_sendmsg+0x714/0xbd0
[ 70.553374][ T698] ? netlink_unicast+0x780/0x780
[ 70.553380][ T698] ? __import_iovec+0x230/0x3b0
[ 70.553388][ T698] ? netlink_unicast+0x780/0x780
[ 70.553394][ T698] ____sys_sendmsg+0x3dd/0x890
[ 70.553400][ T698] ? get_timestamp.constprop.0+0x370/0x370
[ 70.553405][ T698] ? __copy_msghdr+0x3c0/0x3c0
[ 70.553419][ T698] ___sys_sendmsg+0xed/0x170
[ 70.553423][ T698] ? kasan_record_aux_stack+0x8c/0xa0
[ 70.553429][ T698] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 70.553437][ T698] ? copy_msghdr_from_user+0x110/0x110
[ 70.553444][ T698] ? find_held_lock+0x2b/0x80
[ 70.553450][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.553460][ T698] ? find_held_lock+0x2b/0x80
[ 70.553466][ T698] ? __virt_addr_valid+0x22a/0x450
[ 70.553474][ T698] ? __lock_release+0x5d/0x170
[ 70.553485][ T698] __sys_sendmsg+0x10b/0x1a0
[ 70.553489][ T698] ? __call_rcu_common.constprop.0+0x318/0x630
[ 70.553494][ T698] ? __sys_sendmsg_sock+0x20/0x20
[ 70.553508][ T698] ? rcu_is_watching+0x12/0xb0
[ 70.553517][ T698] do_syscall_64+0xc1/0xfd0
[ 70.553525][ T698] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 70.553531][ T698] RIP: 0033:0x7fb3534d11d7
[ 70.553538][ T698] 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
[ 70.553542][ T698] RSP: 002b:00007ffd51a26d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 70.553549][ T698] RAX: ffffffffffffffda RBX: 00007ffd51a27460 RCX: 00007fb3534d11d7
[ 70.553553][ T698] RDX: 0000000000000000 RSI: 00007ffd51a26d90 RDI: 0000000000000005
[ 70.553556][ T698] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 70.553559][ T698] R10: 00007fb3533cd510 R11: 0000000000000246 R12: 0000000000000002
[ 70.553562][ T698] R13: 00000000690de297 R14: 0000000000499600 R15: 0000000000000000
[ 70.553572][ T698]
[ 70.553574][ T698]
[ 70.568866][ T698] Allocated by task 306:
[ 70.568998][ T698] kasan_save_stack+0x24/0x40
[ 70.569175][ T698] kasan_save_track+0x14/0x30
[ 70.569349][ T698] __kasan_kmalloc+0x7b/0x90
[ 70.569512][ T698] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 70.569677][ T698] alloc_netdev_mqs+0x7d/0x1370
[ 70.569857][ T698] rtnl_create_link+0xa9e/0xe20
[ 70.570090][ T698] rtnl_newlink_create+0x203/0x8f0
[ 70.570348][ T698] __rtnl_newlink+0x231/0xa30
[ 70.570599][ T698] rtnl_newlink+0x693/0xa60
[ 70.570869][ T698] rtnetlink_rcv_msg+0x709/0xc00
[ 70.571132][ T698] netlink_rcv_skb+0x121/0x340
[ 70.571404][ T698] netlink_unicast+0x4aa/0x780
[ 70.571673][ T698] netlink_sendmsg+0x714/0xbd0
[ 70.571939][ T698] ____sys_sendmsg+0x3dd/0x890
[ 70.572212][ T698] ___sys_sendmsg+0xed/0x170
[ 70.572494][ T698] __sys_sendmsg+0x10b/0x1a0
[ 70.572759][ T698] do_syscall_64+0xc1/0xfd0
[ 70.573037][ T698] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 70.573360][ T698]
[ 70.573488][ T698] Freed by task 698:
[ 70.573684][ T698] kasan_save_stack+0x24/0x40
[ 70.573955][ T698] kasan_save_track+0x14/0x30
[ 70.574227][ T698] __kasan_save_free_info+0x3b/0x60
[ 70.574496][ T698] __kasan_slab_free+0x3f/0x60
[ 70.574758][ T698] kfree+0x21d/0x540
[ 70.574959][ T698] device_release+0x9c/0x210
[ 70.575239][ T698] kobject_cleanup+0xfe/0x360
[ 70.575479][ T698] netdev_run_todo+0x81f/0xc60
[ 70.575643][ T698] rtnl_dellink+0x350/0xa30
[ 70.575818][ T698] rtnetlink_rcv_msg+0x709/0xc00
[ 70.575984][ T698] netlink_rcv_skb+0x121/0x340
[ 70.576170][ T698] netlink_unicast+0x4aa/0x780
[ 70.576335][ T698] netlink_sendmsg+0x714/0xbd0
[ 70.576504][ T698] ____sys_sendmsg+0x3dd/0x890
[ 70.576681][ T698] ___sys_sendmsg+0xed/0x170
[ 70.576855][ T698] __sys_sendmsg+0x10b/0x1a0
[ 70.577036][ T698] do_syscall_64+0xc1/0xfd0
[ 70.577224][ T698] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 70.577443][ T698]
[ 70.577527][ T698] The buggy address belongs to the object at ffff888008609000
[ 70.577527][ T698] which belongs to the cache kmalloc-4k of size 4096
[ 70.577973][ T698] The buggy address is located 1732 bytes inside of
[ 70.577973][ T698] freed 4096-byte region [ffff888008609000, ffff88800860a000)
[ 70.578486][ T698]
[ 70.578568][ T698] The buggy address belongs to the physical page:
[ 70.578782][ T698] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8608
[ 70.579199][ T698] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 70.579461][ T698] flags: 0x80000000000040(head|node=0|zone=1)
[ 70.579778][ T698] page_type: f5(slab)
[ 70.579909][ T698] raw: 0080000000000040 ffff888001043700 ffffea00003b8410 ffffea0000201210
[ 70.580199][ T698] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 70.580593][ T698] head: 0080000000000040 ffff888001043700 ffffea00003b8410 ffffea0000201210
[ 70.580892][ T698] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 70.581281][ T698] head: 0080000000000003 ffffea0000218201 00000000ffffffff 00000000ffffffff
[ 70.581572][ T698] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 70.581866][ T698] page dumped because: kasan: bad access detected
[ 70.582170][ T698]
[ 70.582250][ T698] Memory state around the buggy address:
[ 70.582407][ T698] ffff888008609580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.582641][ T698] ffff888008609600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.582974][ T698] >ffff888008609680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.583216][ T698] ^
[ 70.583506][ T698] ffff888008609700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.583748][ T698] ffff888008609780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 70.583982][ T698] ==================================================================
[ 70.584815][ T698] Disabling lock debugging due to kernel taint
[ 70.585134][ T698] ------------[ cut here ]------------
[ 70.585307][ T698] refcount_t: underflow; use-after-free.
[ 70.585517][ T698] WARNING: CPU: 0 PID: 698 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 70.585843][ T698] Modules linked in:
[ 70.585984][ T698] CPU: 0 UID: 0 PID: 698 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 70.586405][ T698] Tainted: [B]=BAD_PAGE
[ 70.586532][ T698] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 70.586740][ T698] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 70.586969][ T698] 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 45 ae 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
[ 70.587634][ T698] RSP: 0018:ffffc90001b271f0 EFLAGS: 00010286
[ 70.587844][ T698] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 70.588156][ T698] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 70.588401][ T698] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff5e80934
[ 70.588651][ T698] R10: 0000000000000003 R11: ffffc90001b26d80 R12: 0000000000000001
[ 70.588900][ T698] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 70.589191][ T698] FS: 00007fb353303800(0000) GS:ffff8880bc708000(0000) knlGS:0000000000000000
[ 70.589506][ T698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 70.589739][ T698] CR2: 000055cb45a58dec CR3: 000000000d397001 CR4: 0000000000772ef0
[ 70.589995][ T698] PKRU: 55555554
[ 70.590138][ T698] Call Trace:
[ 70.590268][ T698]
[ 70.590357][ T698] netdev_run_todo+0x5f0/0xc60
[ 70.590552][ T698] ? dev_ingress_queue_create+0x190/0x190
[ 70.590719][ T698] ? generic_xdp_install+0x410/0x410
[ 70.590877][ T698] ? unregister_netdevice_many+0x20/0x20
[ 70.591061][ T698] rtnl_dellink+0x350/0xa30
[ 70.591242][ T698] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 70.591456][ T698] ? find_held_lock+0x2b/0x80
[ 70.591623][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.591784][ T698] ? find_held_lock+0x2b/0x80
[ 70.591946][ T698] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 70.592124][ T698] ? __lock_release+0x5d/0x170
[ 70.592288][ T698] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 70.592507][ T698] rtnetlink_rcv_msg+0x709/0xc00
[ 70.592670][ T698] ? rtnl_port_fill+0x890/0x890
[ 70.592831][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.593003][ T698] netlink_rcv_skb+0x121/0x340
[ 70.593184][ T698] ? rtnl_port_fill+0x890/0x890
[ 70.593351][ T698] ? netlink_ack+0xdf0/0xdf0
[ 70.593517][ T698] ? netlink_deliver_tap+0x13e/0x340
[ 70.593683][ T698] ? netlink_deliver_tap+0xc3/0x340
[ 70.593844][ T698] netlink_unicast+0x4aa/0x780
[ 70.594015][ T698] ? netlink_attachskb+0x810/0x810
[ 70.594194][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.594360][ T698] netlink_sendmsg+0x714/0xbd0
[ 70.594520][ T698] ? netlink_unicast+0x780/0x780
[ 70.594684][ T698] ? __import_iovec+0x230/0x3b0
[ 70.594851][ T698] ? netlink_unicast+0x780/0x780
[ 70.595029][ T698] ____sys_sendmsg+0x3dd/0x890
[ 70.595206][ T698] ? get_timestamp.constprop.0+0x370/0x370
[ 70.595422][ T698] ? __copy_msghdr+0x3c0/0x3c0
[ 70.595588][ T698] ___sys_sendmsg+0xed/0x170
[ 70.595750][ T698] ? kasan_record_aux_stack+0x8c/0xa0
[ 70.595917][ T698] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 70.596140][ T698] ? copy_msghdr_from_user+0x110/0x110
[ 70.596318][ T698] ? find_held_lock+0x2b/0x80
[ 70.596485][ T698] ? __lock_acquire+0x449/0x7e0
[ 70.596648][ T698] ? find_held_lock+0x2b/0x80
[ 70.596811][ T698] ? __virt_addr_valid+0x22a/0x450
[ 70.596994][ T698] ? __lock_release+0x5d/0x170
[ 70.597211][ T698] __sys_sendmsg+0x10b/0x1a0
[ 70.597377][ T698] ? __call_rcu_common.constprop.0+0x318/0x630
[ 70.597585][ T698] ? __sys_sendmsg_sock+0x20/0x20
[ 70.597749][ T698] ? rcu_is_watching+0x12/0xb0
[ 70.597914][ T698] do_syscall_64+0xc1/0xfd0
[ 70.598090][ T698] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 70.598301][ T698] RIP: 0033:0x7fb3534d11d7
[ 70.598482][ T698] 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
[ 70.599080][ T698] RSP: 002b:00007ffd51a26d28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 70.599344][ T698] RAX: ffffffffffffffda RBX: 00007ffd51a27460 RCX: 00007fb3534d11d7
[ 70.599588][ T698] RDX: 0000000000000000 RSI: 00007ffd51a26d90 RDI: 0000000000000005
[ 70.599832][ T698] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 70.600093][ T698] R10: 00007fb3533cd510 R11: 0000000000000246 R12: 0000000000000002
[ 70.600348][ T698] R13: 00000000690de297 R14: 0000000000499600 R15: 0000000000000000
[ 70.600594][ T698]
[ 70.600718][ T698] irq event stamp: 48151
[ 70.600843][ T698] hardirqs last enabled at (48151): [] finish_task_switch.isra.0+0x245/0x960
[ 70.601206][ T698] hardirqs last disabled at (48150): [] __schedule+0x94a/0x1b10
[ 70.601516][ T698] softirqs last enabled at (47968): [] handle_softirqs+0x352/0x610
[ 70.601814][ T698] softirqs last disabled at (47961): [] irq_exit_rcu+0xab/0x100
[ 70.602122][ T698] ---[ end trace 0000000000000000 ]---
[ 74.995554][ T758] eth1: renamed from tmp
[ 109.527883][ T1209] eth1: renamed from tmp
[ 147.770797][ T1674] eth1: renamed from tmp
[ 186.654561][ T2139] eth1: renamed from tmp
[ 314.331063][ T3369] eth1: renamed from tmp
[ 333.438958][ T3633] eth2: renamed from tmp
[ 439.693936][ T4545] eth1: renamed from tmp
[ 560.270274][ T6240] eth1: renamed from tmp
[ 624.096165][ T7091] eth1: renamed from tmp
[ 641.378249][ T7276] eth1: renamed from tmp
[ 663.896246][ T7519] eth1: renamed from tmp
[ 680.360933][ T7648] eth1: renamed from tmp
[ 694.958859][ T7776] eth1: renamed from tmp
[ 711.562770][ T7911] eth1: renamed from tmp
[ 728.295453][ T8046] eth1: renamed from tmp
[ 744.851509][ T8181] eth1: renamed from tmp
[ 761.443908][ T8316] eth1: renamed from tmp
[ 778.155858][ T8451] eth1: renamed from tmp
[ 794.753975][ T8586] eth1: renamed from tmp
[ 811.553737][ T8721] eth1: renamed from tmp
[ 828.149203][ T8855] eth1: renamed from tmp
[ 845.737153][ T8990] eth1: renamed from tmp
[ 863.221989][ T9125] eth1: renamed from tmp
[ 880.261374][ T9260] eth1: renamed from tmp
[ 897.088776][ T9395] eth1: renamed from tmp
[ 913.455964][ T9530] eth1: renamed from tmp
[ 930.313754][ T9666] eth1: renamed from tmp
[ 947.225960][ T9801] eth1: renamed from tmp
[ 963.725121][ T9937] eth1: renamed from tmp
[ 980.192674][T10072] eth1: renamed from tmp
[ 996.822541][T10208] eth1: renamed from tmp
[ 1013.589229][T10343] eth1: renamed from tmp
[ 1030.402764][T10478] eth1: renamed from tmp
[ 1047.122652][T10613] eth1: renamed from tmp
[ 1063.790926][T10747] eth1: renamed from tmp
[ 1080.374393][T10881] eth1: renamed from tmp
[ 1097.198973][T11016] eth1: renamed from tmp
[ 1113.387331][T11151] eth1: renamed from tmp
[ 1129.596752][T11286] eth1: renamed from tmp
[ 1146.154682][T11421] eth1: renamed from tmp
[ 1162.325905][T11556] eth1: renamed from tmp
[ 1178.607416][T11691] eth1: renamed from tmp
[ 1194.912827][T11826] eth1: renamed from tmp
[ 1214.042673][T11989] eth1: renamed from tmp
[ 1233.366529][T12152] eth1: renamed from tmp
[ 1252.730813][T12315] eth1: renamed from tmp
[ 1272.271322][T12478] eth1: renamed from tmp
[ 1291.896652][T12641] eth1: renamed from tmp
[ 1311.820750][T12805] eth1: renamed from tmp
[ 1331.823530][T12967] eth1: renamed from tmp
[ 1352.159639][T13129] eth1: renamed from tmp
[ 1372.432836][T13292] eth1: renamed from tmp
[ 1392.125433][T13456] eth1: renamed from tmp
[ 1412.174967][T13619] eth1: renamed from tmp
[ 1431.865698][T13782] eth1: renamed from tmp
[ 1452.221974][T13945] eth1: renamed from tmp
[ 1472.394796][T14108] eth1: renamed from tmp
[ 1492.499832][T14271] eth1: renamed from tmp