[ 15.904388][ T249] ip (249) used greatest stack depth: 23984 bytes left
[ 23.730497][ T328] br1: port 1(vx1) entered blocking state
[ 23.731443][ T328] br1: port 1(vx1) entered disabled state
[ 23.731938][ T328] vx1: entered allmulticast mode
[ 23.735627][ T328] vx1: entered promiscuous mode
[ 23.737528][ T328] br1: port 1(vx1) entered blocking state
[ 23.737968][ T328] br1: port 1(vx1) entered forwarding state
[ 23.856160][ T329] br1: port 2(veth1) entered blocking state
[ 23.856614][ T329] br1: port 2(veth1) entered disabled state
[ 23.857060][ T329] veth1: entered allmulticast mode
[ 23.861732][ T329] veth1: entered promiscuous mode
[ 24.007488][ T125] br1: port 2(veth1) entered blocking state
[ 24.008205][ T125] br1: port 2(veth1) entered forwarding state
[ 24.363090][ T332] br1: port 3(veth2) entered blocking state
[ 24.363545][ T332] br1: port 3(veth2) entered disabled state
[ 24.363971][ T332] veth2: entered allmulticast mode
[ 24.367768][ T332] veth2: entered promiscuous mode
[ 24.498071][ T125] br1: port 3(veth2) entered blocking state
[ 24.498585][ T125] br1: port 3(veth2) entered forwarding state
[ 29.065853][ T380] br2: port 1(w1) entered blocking state
[ 29.066713][ T380] br2: port 1(w1) entered disabled state
[ 29.067116][ T380] w1: entered allmulticast mode
[ 29.070561][ T380] w1: entered promiscuous mode
[ 29.767351][ T386] br2: port 2(vx2) entered blocking state
[ 29.767753][ T386] br2: port 2(vx2) entered disabled state
[ 29.768311][ T386] vx2: entered allmulticast mode
[ 29.772392][ T386] vx2: entered promiscuous mode
[ 29.773873][ T386] br2: port 2(vx2) entered blocking state
[ 29.774266][ T386] br2: port 2(vx2) entered forwarding state
[ 30.640624][ T125] br2: port 1(w1) entered blocking state
[ 30.641237][ T125] br2: port 1(w1) entered forwarding state
[ 33.212030][ T419] br2: port 1(w1) entered blocking state
[ 33.212674][ T419] br2: port 1(w1) entered disabled state
[ 33.213051][ T419] w1: entered allmulticast mode
[ 33.216851][ T419] w1: entered promiscuous mode
[ 34.028597][ T425] br2: port 2(vx2) entered blocking state
[ 34.028977][ T425] br2: port 2(vx2) entered disabled state
[ 34.029383][ T425] vx2: entered allmulticast mode
[ 34.033636][ T425] vx2: entered promiscuous mode
[ 34.035094][ T425] br2: port 2(vx2) entered blocking state
[ 34.035458][ T425] br2: port 2(vx2) entered forwarding state
[ 34.928967][ T46] br2: port 1(w1) entered blocking state
[ 34.929357][ T46] br2: port 1(w1) entered forwarding state
[ 45.747481][ T498] GACT probability NOT on
[ 108.137080][ T765] veth3: entered promiscuous mode
[ 149.967347][ T1254] veth3: left promiscuous mode
[ 178.651516][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 178.752940][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 178.853964][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 178.954991][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.056040][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.157089][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.258326][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.359520][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.460510][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 179.561600][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.374943][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.475944][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.576943][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.678310][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.779441][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.880477][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 184.981524][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 185.082564][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 185.183625][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 185.284690][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.381727][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.482640][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.583627][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.684726][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.786055][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.887158][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 257.988215][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 258.089227][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 258.190205][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 258.291274][ C3] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 260.188360][ T2223] vx1: left allmulticast mode
[ 260.188759][ T2223] vx1: left promiscuous mode
[ 260.189300][ T2223] br1: port 1(vx1) entered disabled state
[ 265.806304][ T2228] br1: port 1(vx1) entered blocking state
[ 265.806751][ T2228] br1: port 1(vx1) entered disabled state
[ 265.807301][ T2228] vx1: entered allmulticast mode
[ 265.810770][ T2228] vx1: entered promiscuous mode
[ 265.812077][ T2228] br1: port 1(vx1) entered blocking state
[ 265.812462][ T2228] br1: port 1(vx1) entered forwarding state
[ 337.173293][ T2515] veth3: entered promiscuous mode
[ 378.032744][ T3004] veth3: left promiscuous mode
[ 379.143295][ T72] vx2: left allmulticast mode
[ 379.143839][ T72] vx2: left promiscuous mode
[ 379.144869][ T72] br2: port 2(vx2) entered disabled state
[ 379.149999][ T72] w1: left allmulticast mode
[ 379.152010][ T72] w1: left promiscuous mode
[ 379.152946][ T72] br2: port 1(w1) entered disabled state
[ 379.226738][ T72] ==================================================================
[ 379.227191][ T72] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 379.227584][ T72] Read of size 1 at addr ffff88800f7d46ac by task kworker/u16:1/72
[ 379.227971][ T72]
[ 379.228107][ T72] CPU: 2 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 379.228115][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 379.228119][ T72] Workqueue: netns cleanup_net
[ 379.228131][ T72] Call Trace:
[ 379.228134][ T72]
[ 379.228138][ T72] dump_stack_lvl+0x82/0xc0
[ 379.228147][ T72] print_address_description.constprop.0+0x2c/0x3a0
[ 379.228157][ T72] ? kobject_put+0xbb/0xd0
[ 379.228164][ T72] print_report+0xb4/0x270
[ 379.228169][ T72] ? kobject_put+0xbb/0xd0
[ 379.228174][ T72] ? kasan_addr_to_slab+0x21/0x70
[ 379.228180][ T72] ? kobject_put+0xbb/0xd0
[ 379.228184][ T72] kasan_report+0xca/0x100
[ 379.228191][ T72] ? kobject_put+0xbb/0xd0
[ 379.228201][ T72] kobject_put+0xbb/0xd0
[ 379.228207][ T72] netdev_run_todo+0x5f0/0xc60
[ 379.228213][ T72] ? rtnl_is_locked+0x15/0x20
[ 379.228221][ T72] ? dev_ingress_queue_create+0x190/0x190
[ 379.228227][ T72] ? generic_xdp_install+0x410/0x410
[ 379.228238][ T72] ops_undo_list+0x714/0x890
[ 379.228247][ T72] ? netns_get+0x110/0x110
[ 379.228251][ T72] ? cleanup_net+0x2d6/0x830
[ 379.228262][ T72] cleanup_net+0x3b2/0x830
[ 379.228268][ T72] ? net_passive_dec+0x190/0x190
[ 379.228276][ T72] ? rcu_is_watching+0x12/0xb0
[ 379.228289][ T72] process_one_work+0xe35/0x1650
[ 379.228302][ T72] ? pwq_dec_nr_in_flight+0x550/0x550
[ 379.228313][ T72] ? assign_work+0x168/0x240
[ 379.228320][ T72] worker_thread+0x591/0xcf0
[ 379.228331][ T72] ? rescuer_thread+0xd10/0xd10
[ 379.228337][ T72] kthread+0x37b/0x5f0
[ 379.228345][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.228349][ T72] ? ret_from_fork+0x1b/0x270
[ 379.228358][ T72] ? __lock_release+0x5d/0x170
[ 379.228368][ T72] ? rcu_is_watching+0x12/0xb0
[ 379.228373][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.228380][ T72] ret_from_fork+0x1db/0x270
[ 379.228383][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.228388][ T72] ret_from_fork_asm+0x11/0x20
[ 379.228404][ T72]
[ 379.228406][ T72]
[ 379.236721][ T72] Allocated by task 398:
[ 379.236855][ T72] kasan_save_stack+0x24/0x40
[ 379.237032][ T72] kasan_save_track+0x14/0x30
[ 379.237275][ T72] __kasan_kmalloc+0x7b/0x90
[ 379.237440][ T72] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 379.237604][ T72] alloc_netdev_mqs+0x7d/0x1370
[ 379.237779][ T72] sit_init_net+0x169/0x550
[ 379.237940][ T72] ops_init+0x189/0x550
[ 379.238061][ T72] setup_net+0xf1/0x380
[ 379.238190][ T72] copy_net_ns+0x21a/0x380
[ 379.238347][ T72] create_new_namespaces+0x35f/0x900
[ 379.238509][ T72] unshare_nsproxy_namespaces+0x89/0x120
[ 379.238669][ T72] ksys_unshare+0x2a3/0x660
[ 379.238833][ T72] __x64_sys_unshare+0x31/0x40
[ 379.238984][ T72] do_syscall_64+0xc1/0xfd0
[ 379.239154][ T72] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 379.239354][ T72]
[ 379.239437][ T72] Freed by task 72:
[ 379.239567][ T72] kasan_save_stack+0x24/0x40
[ 379.239729][ T72] kasan_save_track+0x14/0x30
[ 379.239907][ T72] __kasan_save_free_info+0x3b/0x60
[ 379.240075][ T72] __kasan_slab_free+0x3f/0x60
[ 379.240248][ T72] kfree+0x21d/0x540
[ 379.240367][ T72] device_release+0x9c/0x210
[ 379.240538][ T72] kobject_cleanup+0xfe/0x360
[ 379.240708][ T72] netdev_run_todo+0x81f/0xc60
[ 379.240875][ T72] ops_undo_list+0x714/0x890
[ 379.241035][ T72] cleanup_net+0x3b2/0x830
[ 379.241281][ T72] process_one_work+0xe35/0x1650
[ 379.241547][ T72] worker_thread+0x591/0xcf0
[ 379.241813][ T72] kthread+0x37b/0x5f0
[ 379.241993][ T72] ret_from_fork+0x1db/0x270
[ 379.242170][ T72] ret_from_fork_asm+0x11/0x20
[ 379.242329][ T72]
[ 379.242419][ T72] The buggy address belongs to the object at ffff88800f7d4000
[ 379.242419][ T72] which belongs to the cache kmalloc-4k of size 4096
[ 379.242813][ T72] The buggy address is located 1708 bytes inside of
[ 379.242813][ T72] freed 4096-byte region [ffff88800f7d4000, ffff88800f7d5000)
[ 379.243326][ T72]
[ 379.243414][ T72] The buggy address belongs to the physical page:
[ 379.243647][ T72] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf7d0
[ 379.243935][ T72] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 379.244194][ T72] flags: 0x80000000000040(head|node=0|zone=1)
[ 379.244401][ T72] page_type: f5(slab)
[ 379.244534][ T72] raw: 0080000000000040 ffff888001043700 ffffea00002dd410 ffffea000029ca10
[ 379.244832][ T72] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 379.245115][ T72] head: 0080000000000040 ffff888001043700 ffffea00002dd410 ffffea000029ca10
[ 379.245400][ T72] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 379.245687][ T72] head: 0080000000000003 ffffea00003df401 00000000ffffffff 00000000ffffffff
[ 379.245969][ T72] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 379.246291][ T72] page dumped because: kasan: bad access detected
[ 379.246486][ T72]
[ 379.246588][ T72] Memory state around the buggy address:
[ 379.246759][ T72] ffff88800f7d4580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 379.247004][ T72] ffff88800f7d4600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 379.247238][ T72] >ffff88800f7d4680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 379.247468][ T72] ^
[ 379.247621][ T72] ffff88800f7d4700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 379.247847][ T72] ffff88800f7d4780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 379.248104][ T72] ==================================================================
[ 379.248441][ T72] Disabling lock debugging due to kernel taint
[ 379.248696][ T72] ------------[ cut here ]------------
[ 379.248874][ T72] refcount_t: underflow; use-after-free.
[ 379.249101][ T72] WARNING: CPU: 2 PID: 72 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 379.249451][ T72] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[ 379.249865][ T72] CPU: 2 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 379.250747][ T72] Tainted: [B]=BAD_PAGE
[ 379.250897][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 379.251151][ T72] Workqueue: netns cleanup_net
[ 379.251345][ T72] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 379.251573][ T72] 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 65 ad 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
[ 379.252170][ T72] RSP: 0000:ffffc900004d7a08 EFLAGS: 00010282
[ 379.252406][ T72] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 379.252659][ T72] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 379.252913][ T72] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff5bfe134
[ 379.253195][ T72] R10: 0000000000000003 R11: ffffc900004d7580 R12: 0000000000000001
[ 379.253462][ T72] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 379.253719][ T72] FS: 0000000000000000(0000) GS:ffff888086ef2000(0000) knlGS:0000000000000000
[ 379.254013][ T72] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 379.254250][ T72] CR2: 00007fcc6c142440 CR3: 000000000a15f002 CR4: 0000000000772ef0
[ 379.254523][ T72] PKRU: 55555554
[ 379.254673][ T72] Call Trace:
[ 379.254816][ T72]
[ 379.254929][ T72] netdev_run_todo+0x5f0/0xc60
[ 379.255225][ T72] ? rtnl_is_locked+0x15/0x20
[ 379.255412][ T72] ? dev_ingress_queue_create+0x190/0x190
[ 379.255672][ T72] ? generic_xdp_install+0x410/0x410
[ 379.255933][ T72] ops_undo_list+0x714/0x890
[ 379.256268][ T72] ? netns_get+0x110/0x110
[ 379.256452][ T72] ? cleanup_net+0x2d6/0x830
[ 379.256630][ T72] cleanup_net+0x3b2/0x830
[ 379.256803][ T72] ? net_passive_dec+0x190/0x190
[ 379.257063][ T72] ? rcu_is_watching+0x12/0xb0
[ 379.257272][ T72] process_one_work+0xe35/0x1650
[ 379.257453][ T72] ? pwq_dec_nr_in_flight+0x550/0x550
[ 379.257632][ T72] ? assign_work+0x168/0x240
[ 379.257890][ T72] worker_thread+0x591/0xcf0
[ 379.258081][ T72] ? rescuer_thread+0xd10/0xd10
[ 379.258273][ T72] kthread+0x37b/0x5f0
[ 379.258414][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.258671][ T72] ? ret_from_fork+0x1b/0x270
[ 379.258846][ T72] ? __lock_release+0x5d/0x170
[ 379.259019][ T72] ? rcu_is_watching+0x12/0xb0
[ 379.259212][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.259474][ T72] ret_from_fork+0x1db/0x270
[ 379.259652][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 379.259826][ T72] ret_from_fork_asm+0x11/0x20
[ 379.260011][ T72]
[ 379.260184][ T72] irq event stamp: 60285
[ 379.260326][ T72] hardirqs last enabled at (60285): [] finish_task_switch.isra.0+0x245/0x960
[ 379.260654][ T72] hardirqs last disabled at (60284): [] __schedule+0x94a/0x1b10
[ 379.261037][ T72] softirqs last enabled at (60194): [] handle_softirqs+0x352/0x610
[ 379.261350][ T72] softirqs last disabled at (60185): [] irq_exit_rcu+0xab/0x100
[ 379.261725][ T72] ---[ end trace 0000000000000000 ]---
[ 379.453511][ T72] vx2: left allmulticast mode
[ 379.453753][ T72] vx2: left promiscuous mode
[ 379.454252][ T72] br2: port 2(vx2) entered disabled state
[ 379.456055][ T72] w1: left allmulticast mode
[ 379.456717][ T72] w1: left promiscuous mode
[ 379.457304][ T72] br2: port 1(w1) entered disabled state
[ 381.021417][ T3044] br1: port 3(veth2) entered disabled state
[ 381.099010][ T3045] veth2: left allmulticast mode
[ 381.099264][ T3045] veth2: left promiscuous mode
[ 381.099575][ T3045] br1: port 3(veth2) entered disabled state
[ 381.324096][ T3047] br1: port 2(veth1) entered disabled state
[ 381.399323][ T3048] veth1: left allmulticast mode
[ 381.399608][ T3048] veth1: left promiscuous mode
[ 381.399952][ T3048] br1: port 2(veth1) entered disabled state
[ 381.485367][ T3049] vx1: left allmulticast mode
[ 381.485672][ T3049] vx1: left promiscuous mode
[ 381.486172][ T3049] br1: port 1(vx1) entered disabled state