[ 20.542688][ T299] 8021q: 802.1Q VLAN Support v1.8
[ 26.363827][ T348] br1: port 1(vx10) entered blocking state
[ 26.364604][ T348] br1: port 1(vx10) entered disabled state
[ 26.365236][ T348] vx10: entered allmulticast mode
[ 26.369379][ T348] vx10: entered promiscuous mode
[ 26.370518][ T348] br1: port 1(vx10) entered blocking state
[ 26.371088][ T348] br1: port 1(vx10) entered forwarding state
[ 26.929152][ T353] br1: port 2(vx20) entered blocking state
[ 26.929868][ T353] br1: port 2(vx20) entered disabled state
[ 26.930503][ T353] vx20: entered allmulticast mode
[ 26.934804][ T353] vx20: entered promiscuous mode
[ 26.936033][ T353] br1: port 2(vx20) entered blocking state
[ 26.936485][ T353] br1: port 2(vx20) entered forwarding state
[ 27.175777][ T355] br1: port 3(veth1) entered blocking state
[ 27.176331][ T355] br1: port 3(veth1) entered disabled state
[ 27.176916][ T355] veth1: entered allmulticast mode
[ 27.181159][ T355] veth1: entered promiscuous mode
[ 27.308433][ T36] br1: port 3(veth1) entered blocking state
[ 27.309355][ T36] br1: port 3(veth1) entered forwarding state
[ 27.872814][ T361] br1: port 4(veth2) entered blocking state
[ 27.873332][ T361] br1: port 4(veth2) entered disabled state
[ 27.873822][ T361] veth2: entered allmulticast mode
[ 27.888522][ T361] veth2: entered promiscuous mode
[ 28.015677][ T46] br1: port 4(veth2) entered blocking state
[ 28.016181][ T46] br1: port 4(veth2) entered forwarding state
[ 33.435166][ T412] br2: port 1(w1) entered blocking state
[ 33.435619][ T412] br2: port 1(w1) entered disabled state
[ 33.436003][ T412] w1: entered allmulticast mode
[ 33.440049][ T412] w1: entered promiscuous mode
[ 34.513141][ T420] br2: port 2(vx10) entered blocking state
[ 34.513939][ T420] br2: port 2(vx10) entered disabled state
[ 34.514481][ T420] vx10: entered allmulticast mode
[ 34.518146][ T420] vx10: entered promiscuous mode
[ 34.519374][ T420] br2: port 2(vx10) entered blocking state
[ 34.519866][ T420] br2: port 2(vx10) entered forwarding state
[ 35.490639][ T427] br2: port 3(vx20) entered blocking state
[ 35.491076][ T427] br2: port 3(vx20) entered disabled state
[ 35.491546][ T427] vx20: entered allmulticast mode
[ 35.494966][ T427] vx20: entered promiscuous mode
[ 35.496013][ T427] br2: port 3(vx20) entered blocking state
[ 35.496419][ T427] br2: port 3(vx20) entered forwarding state
[ 36.617930][ T36] br2: port 1(w1) entered blocking state
[ 36.618431][ T36] br2: port 1(w1) entered forwarding state
[ 40.323293][ T469] br2: port 1(w1) entered blocking state
[ 40.323889][ T469] br2: port 1(w1) entered disabled state
[ 40.324244][ T469] w1: entered allmulticast mode
[ 40.327765][ T469] w1: entered promiscuous mode
[ 41.327154][ T477] br2: port 2(vx10) entered blocking state
[ 41.328041][ T477] br2: port 2(vx10) entered disabled state
[ 41.328503][ T477] vx10: entered allmulticast mode
[ 41.331930][ T477] vx10: entered promiscuous mode
[ 41.332890][ T477] br2: port 2(vx10) entered blocking state
[ 41.333706][ T477] br2: port 2(vx10) entered forwarding state
[ 42.279098][ T484] br2: port 3(vx20) entered blocking state
[ 42.279603][ T484] br2: port 3(vx20) entered disabled state
[ 42.280096][ T484] vx20: entered allmulticast mode
[ 42.284270][ T484] vx20: entered promiscuous mode
[ 42.285137][ T484] br2: port 3(vx20) entered blocking state
[ 42.285566][ T484] br2: port 3(vx20) entered forwarding state
[ 43.351769][ T38] br2: port 1(w1) entered blocking state
[ 43.352221][ T38] br2: port 1(w1) entered forwarding state
[ 56.856990][ T571] GACT probability NOT on
[ 202.190180][ T1372] veth3: entered promiscuous mode
[ 275.854265][ T2299] veth3: left promiscuous mode
[ 276.774615][ T2305] veth3: entered promiscuous mode
[ 349.241550][ T3233] veth3: left promiscuous mode
[ 350.552719][ T3251] vx20: left allmulticast mode
[ 350.553244][ T3251] vx20: left promiscuous mode
[ 350.554067][ T3251] br1: port 2(vx20) entered disabled state
[ 350.700912][ T3252] vx10: left allmulticast mode
[ 350.701300][ T3252] vx10: left promiscuous mode
[ 350.701910][ T3252] br1: port 1(vx10) entered disabled state
[ 356.333616][ T3257] br1: port 1(vx10) entered blocking state
[ 356.334208][ T3257] br1: port 1(vx10) entered disabled state
[ 356.334699][ T3257] vx10: entered allmulticast mode
[ 356.340217][ T3257] vx10: entered promiscuous mode
[ 356.341448][ T3257] br1: port 1(vx10) entered blocking state
[ 356.342061][ T3257] br1: port 1(vx10) entered forwarding state
[ 356.644372][ T3259] br1: port 2(vx20) entered blocking state
[ 356.645116][ T3259] br1: port 2(vx20) entered disabled state
[ 356.645912][ T3259] vx20: entered allmulticast mode
[ 356.651949][ T3259] vx20: entered promiscuous mode
[ 356.654042][ T3259] br1: port 2(vx20) entered blocking state
[ 356.654765][ T3259] br1: port 2(vx20) entered forwarding state
[ 509.337310][ T4087] veth3: entered promiscuous mode
[ 580.833943][ T5014] veth3: left promiscuous mode
[ 581.498312][ T5020] veth3: entered promiscuous mode
[ 653.561477][ T5947] veth3: left promiscuous mode
[ 700.536076][ T6579] tc (6579) used greatest stack depth: 23392 bytes left
[ 1076.307278][ T69] vx20: left allmulticast mode
[ 1076.307772][ T69] vx20: left promiscuous mode
[ 1076.308308][ T69] br2: port 3(vx20) entered disabled state
[ 1076.311946][ T69] vx10: left allmulticast mode
[ 1076.312301][ T69] vx10: left promiscuous mode
[ 1076.313029][ T69] br2: port 2(vx10) entered disabled state
[ 1076.317986][ T69] w1: left allmulticast mode
[ 1076.318363][ T69] w1: left promiscuous mode
[ 1076.319032][ T69] br2: port 1(w1) entered disabled state
[ 1076.397382][ T69] ==================================================================
[ 1076.397690][ T69] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 1076.397967][ T69] Read of size 1 at addr ffff888004d596ac by task kworker/u16:1/69
[ 1076.398211][ T69]
[ 1076.398296][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1076.398301][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1076.398304][ T69] Workqueue: netns cleanup_net
[ 1076.398316][ T69] Call Trace:
[ 1076.398318][ T69]
[ 1076.398322][ T69] dump_stack_lvl+0x82/0xc0
[ 1076.398332][ T69] print_address_description.constprop.0+0x2c/0x3a0
[ 1076.398341][ T69] ? kobject_put+0xbb/0xd0
[ 1076.398346][ T69] print_report+0xb4/0x270
[ 1076.398352][ T69] ? kobject_put+0xbb/0xd0
[ 1076.398355][ T69] ? kasan_addr_to_slab+0x21/0x70
[ 1076.398358][ T69] ? kobject_put+0xbb/0xd0
[ 1076.398361][ T69] kasan_report+0xca/0x100
[ 1076.398365][ T69] ? kobject_put+0xbb/0xd0
[ 1076.398370][ T69] kobject_put+0xbb/0xd0
[ 1076.398374][ T69] netdev_run_todo+0x5f0/0xc60
[ 1076.398379][ T69] ? rtnl_is_locked+0x15/0x20
[ 1076.398384][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 1076.398387][ T69] ? generic_xdp_install+0x410/0x410
[ 1076.398393][ T69] ops_undo_list+0x714/0x890
[ 1076.398398][ T69] ? netns_get+0x110/0x110
[ 1076.398401][ T69] ? cleanup_net+0x2d6/0x830
[ 1076.398406][ T69] cleanup_net+0x3b2/0x830
[ 1076.398410][ T69] ? net_passive_dec+0x190/0x190
[ 1076.398414][ T69] ? rcu_is_watching+0x12/0xb0
[ 1076.398422][ T69] process_one_work+0xe35/0x1650
[ 1076.398431][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 1076.398436][ T69] ? assign_work+0x168/0x240
[ 1076.398441][ T69] worker_thread+0x591/0xcf0
[ 1076.398446][ T69] ? rescuer_thread+0xd10/0xd10
[ 1076.398449][ T69] kthread+0x37b/0x5f0
[ 1076.398454][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.398456][ T69] ? ret_from_fork+0x1b/0x270
[ 1076.398465][ T69] ? __lock_release+0x5d/0x170
[ 1076.398473][ T69] ? rcu_is_watching+0x12/0xb0
[ 1076.398476][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.398479][ T69] ret_from_fork+0x1db/0x270
[ 1076.398481][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.398484][ T69] ret_from_fork_asm+0x11/0x20
[ 1076.398493][ T69]
[ 1076.398495][ T69]
[ 1076.405117][ T69] Allocated by task 448:
[ 1076.405243][ T69] kasan_save_stack+0x24/0x40
[ 1076.405422][ T69] kasan_save_track+0x14/0x30
[ 1076.405577][ T69] __kasan_kmalloc+0x7b/0x90
[ 1076.405739][ T69] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 1076.405901][ T69] alloc_netdev_mqs+0x7d/0x1370
[ 1076.406063][ T69] sit_init_net+0x169/0x550
[ 1076.406227][ T69] ops_init+0x189/0x550
[ 1076.406371][ T69] setup_net+0xf1/0x380
[ 1076.406504][ T69] copy_net_ns+0x21a/0x380
[ 1076.406678][ T69] create_new_namespaces+0x35f/0x900
[ 1076.406875][ T69] unshare_nsproxy_namespaces+0x89/0x120
[ 1076.407049][ T69] ksys_unshare+0x2a3/0x660
[ 1076.407222][ T69] __x64_sys_unshare+0x31/0x40
[ 1076.407405][ T69] do_syscall_64+0xc1/0xfd0
[ 1076.407574][ T69] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1076.407779][ T69]
[ 1076.407862][ T69] Freed by task 69:
[ 1076.407979][ T69] kasan_save_stack+0x24/0x40
[ 1076.408144][ T69] kasan_save_track+0x14/0x30
[ 1076.408303][ T69] __kasan_save_free_info+0x3b/0x60
[ 1076.408470][ T69] __kasan_slab_free+0x3f/0x60
[ 1076.408627][ T69] kfree+0x21d/0x540
[ 1076.408744][ T69] device_release+0x9c/0x210
[ 1076.408917][ T69] kobject_cleanup+0xfe/0x360
[ 1076.409076][ T69] netdev_run_todo+0x81f/0xc60
[ 1076.409235][ T69] ops_undo_list+0x714/0x890
[ 1076.409422][ T69] cleanup_net+0x3b2/0x830
[ 1076.409576][ T69] process_one_work+0xe35/0x1650
[ 1076.409737][ T69] worker_thread+0x591/0xcf0
[ 1076.409896][ T69] kthread+0x37b/0x5f0
[ 1076.410017][ T69] ret_from_fork+0x1db/0x270
[ 1076.410172][ T69] ret_from_fork_asm+0x11/0x20
[ 1076.410342][ T69]
[ 1076.410430][ T69] The buggy address belongs to the object at ffff888004d59000
[ 1076.410430][ T69] which belongs to the cache kmalloc-4k of size 4096
[ 1076.410816][ T69] The buggy address is located 1708 bytes inside of
[ 1076.410816][ T69] freed 4096-byte region [ffff888004d59000, ffff888004d5a000)
[ 1076.411189][ T69]
[ 1076.411278][ T69] The buggy address belongs to the physical page:
[ 1076.411509][ T69] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4d58
[ 1076.411829][ T69] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 1076.412097][ T69] flags: 0x80000000000040(head|node=0|zone=1)
[ 1076.412315][ T69] page_type: f5(slab)
[ 1076.412466][ T69] raw: 0080000000000040 ffff888001043700 ffffea0000220810 ffffea0000317610
[ 1076.412770][ T69] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1076.413091][ T69] head: 0080000000000040 ffff888001043700 ffffea0000220810 ffffea0000317610
[ 1076.413428][ T69] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1076.413738][ T69] head: 0080000000000003 ffffea0000135601 00000000ffffffff 00000000ffffffff
[ 1076.414057][ T69] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1076.414384][ T69] page dumped because: kasan: bad access detected
[ 1076.414616][ T69]
[ 1076.414704][ T69] Memory state around the buggy address:
[ 1076.414886][ T69] ffff888004d59580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1076.415146][ T69] ffff888004d59600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1076.415406][ T69] >ffff888004d59680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1076.415631][ T69] ^
[ 1076.415789][ T69] ffff888004d59700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1076.416013][ T69] ffff888004d59780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1076.416253][ T69] ==================================================================
[ 1076.416561][ T69] Disabling lock debugging due to kernel taint
[ 1076.416796][ T69] ------------[ cut here ]------------
[ 1076.416970][ T69] refcount_t: underflow; use-after-free.
[ 1076.417265][ T69] WARNING: CPU: 2 PID: 69 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 1076.417713][ T69] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[ 1076.418203][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1076.418597][ T69] Tainted: [B]=BAD_PAGE
[ 1076.418739][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1076.418962][ T69] Workqueue: netns cleanup_net
[ 1076.419157][ T69] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 1076.419411][ T69] 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 e5 b4 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
[ 1076.419998][ T69] RSP: 0018:ffffc900004a7a08 EFLAGS: 00010282
[ 1076.420238][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 1076.420537][ T69] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 1076.420816][ T69] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff6afe134
[ 1076.421190][ T69] R10: 0000000000000003 R11: ffffc900004a7580 R12: 0000000000000001
[ 1076.421472][ T69] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 1076.421724][ T69] FS: 0000000000000000(0000) GS:ffff88807f6f2000(0000) knlGS:0000000000000000
[ 1076.422208][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1076.422440][ T69] CR2: 0000559b0e1e345c CR3: 0000000001e56001 CR4: 0000000000772ef0
[ 1076.422703][ T69] PKRU: 55555554
[ 1076.422871][ T69] Call Trace:
[ 1076.423012][ T69]
[ 1076.423119][ T69] netdev_run_todo+0x5f0/0xc60
[ 1076.423309][ T69] ? rtnl_is_locked+0x15/0x20
[ 1076.423526][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 1076.423704][ T69] ? generic_xdp_install+0x410/0x410
[ 1076.423891][ T69] ops_undo_list+0x714/0x890
[ 1076.424068][ T69] ? netns_get+0x110/0x110
[ 1076.424269][ T69] ? cleanup_net+0x2d6/0x830
[ 1076.424485][ T69] cleanup_net+0x3b2/0x830
[ 1076.424663][ T69] ? net_passive_dec+0x190/0x190
[ 1076.424844][ T69] ? rcu_is_watching+0x12/0xb0
[ 1076.425206][ T69] process_one_work+0xe35/0x1650
[ 1076.425403][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 1076.425593][ T69] ? assign_work+0x168/0x240
[ 1076.425769][ T69] worker_thread+0x591/0xcf0
[ 1076.425953][ T69] ? rescuer_thread+0xd10/0xd10
[ 1076.426133][ T69] kthread+0x37b/0x5f0
[ 1076.426278][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.426500][ T69] ? ret_from_fork+0x1b/0x270
[ 1076.426677][ T69] ? __lock_release+0x5d/0x170
[ 1076.426879][ T69] ? rcu_is_watching+0x12/0xb0
[ 1076.427056][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.427246][ T69] ret_from_fork+0x1db/0x270
[ 1076.427460][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 1076.427641][ T69] ret_from_fork_asm+0x11/0x20
[ 1076.427836][ T69]
[ 1076.427975][ T69] irq event stamp: 138313
[ 1076.428123][ T69] hardirqs last enabled at (138313): [] irqentry_exit+0x3b/0x80
[ 1076.428457][ T69] hardirqs last disabled at (138312): [] handle_softirqs+0x47f/0x610
[ 1076.428745][ T69] softirqs last enabled at (137236): [] br_multicast_dev_del+0x15e/0x240 [bridge]
[ 1076.429217][ T69] softirqs last disabled at (137234): [] br_multicast_dev_del+0x7e/0x240 [bridge]
[ 1076.429588][ T69] ---[ end trace 0000000000000000 ]---
[ 1076.594396][ T69] vx20: left allmulticast mode
[ 1076.594778][ T69] vx20: left promiscuous mode
[ 1076.595143][ T69] br2: port 3(vx20) entered disabled state
[ 1076.596905][ T69] vx10: left allmulticast mode
[ 1076.597123][ T69] vx10: left promiscuous mode
[ 1076.597462][ T69] br2: port 2(vx10) entered disabled state
[ 1076.601063][ T69] w1: left allmulticast mode
[ 1076.601280][ T69] w1: left promiscuous mode
[ 1076.601635][ T69] br2: port 1(w1) entered disabled state
[ 1078.269136][T10514] br1: port 4(veth2) entered disabled state
[ 1078.335548][T10516] veth2: left allmulticast mode
[ 1078.335825][T10516] veth2: left promiscuous mode
[ 1078.336155][T10516] br1: port 4(veth2) entered disabled state
[ 1078.628086][T10520] br1: port 3(veth1) entered disabled state
[ 1078.703835][T10521] veth1: left allmulticast mode
[ 1078.704102][T10521] veth1: left promiscuous mode
[ 1078.704437][T10521] br1: port 3(veth1) entered disabled state
[ 1078.847278][T10523] vx20: left allmulticast mode
[ 1078.847584][T10523] vx20: left promiscuous mode
[ 1078.848037][T10523] br1: port 2(vx20) entered disabled state
[ 1079.133749][T10527] vx10: left allmulticast mode
[ 1079.133999][T10527] vx10: left promiscuous mode
[ 1079.134317][T10527] br1: port 1(vx10) entered disabled state