[ 16.833661][ T249] IPVS: Registered protocols (TCP)
[ 16.835874][ T249] IPVS: Connection hash table configured (size=4096, memory=32Kbytes)
[ 16.837719][ T249] IPVS: ipvs loaded.
[ 21.110492][ T279] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 21.376786][ T280] br0: port 1(veth01) entered blocking state
[ 21.377951][ T280] br0: port 1(veth01) entered disabled state
[ 21.378864][ T280] veth01: entered allmulticast mode
[ 21.383075][ T280] veth01: entered promiscuous mode
[ 21.631165][ T281] br0: port 2(veth02) entered blocking state
[ 21.631612][ T281] br0: port 2(veth02) entered disabled state
[ 21.632040][ T281] veth02: entered allmulticast mode
[ 21.635696][ T281] veth02: entered promiscuous mode
[ 22.374598][ T35] br0: port 1(veth01) entered blocking state
[ 22.375208][ T35] br0: port 1(veth01) entered forwarding state
[ 23.900450][ T37] br0: port 2(veth02) entered blocking state
[ 23.900908][ T37] br0: port 2(veth02) entered forwarding state
[ 26.152513][ T297] IPVS: [rr] scheduler registered.
[ 26.164768][ T65] IPVS: starting estimator thread 0...
[ 26.228126][ T298] IPVS: using max 57 ests per chain, 136800 per kthread
[ 28.358577][ T69] veth02: left allmulticast mode
[ 28.359039][ T69] veth02: left promiscuous mode
[ 28.359606][ T69] br0: port 2(veth02) entered disabled state
[ 28.363392][ T69] veth01: left allmulticast mode
[ 28.363720][ T69] veth01: left promiscuous mode
[ 28.364218][ T69] br0: port 1(veth01) entered disabled state
[ 28.431923][ T69] ==================================================================
[ 28.432310][ T69] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 28.432582][ T69] Read of size 1 at addr ffff888001e5c6ac by task kworker/u16:1/69
[ 28.432823][ T69]
[ 28.432915][ T69] CPU: 1 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 28.432921][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.432925][ T69] Workqueue: netns cleanup_net
[ 28.432941][ T69] Call Trace:
[ 28.432945][ T69]
[ 28.432950][ T69] dump_stack_lvl+0x82/0xc0
[ 28.432955][ T69] print_address_description.constprop.0+0x2c/0x3a0
[ 28.432975][ T69] ? kobject_put+0xbb/0xd0
[ 28.432979][ T69] print_report+0xb4/0x270
[ 28.432983][ T69] ? kobject_put+0xbb/0xd0
[ 28.432986][ T69] ? kasan_addr_to_slab+0x21/0x70
[ 28.432990][ T69] ? kobject_put+0xbb/0xd0
[ 28.432993][ T69] kasan_report+0xca/0x100
[ 28.432998][ T69] ? kobject_put+0xbb/0xd0
[ 28.433003][ T69] kobject_put+0xbb/0xd0
[ 28.433007][ T69] netdev_run_todo+0x5f0/0xc60
[ 28.433015][ T69] ? rtnl_is_locked+0x15/0x20
[ 28.433021][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 28.433025][ T69] ? generic_xdp_install+0x410/0x410
[ 28.433032][ T69] ops_undo_list+0x714/0x890
[ 28.433042][ T69] ? netns_get+0x110/0x110
[ 28.433045][ T69] ? cleanup_net+0x2d6/0x830
[ 28.433050][ T69] cleanup_net+0x3b2/0x830
[ 28.433053][ T69] ? net_passive_dec+0x190/0x190
[ 28.433057][ T69] ? rcu_is_watching+0x12/0xb0
[ 28.433070][ T69] process_one_work+0xe35/0x1650
[ 28.433083][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 28.433089][ T69] ? assign_work+0x168/0x240
[ 28.433093][ T69] worker_thread+0x591/0xcf0
[ 28.433099][ T69] ? rescuer_thread+0xd10/0xd10
[ 28.433102][ T69] kthread+0x37b/0x5f0
[ 28.433107][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.433110][ T69] ? ret_from_fork+0x1b/0x270
[ 28.433124][ T69] ? __lock_release+0x5d/0x170
[ 28.433134][ T69] ? rcu_is_watching+0x12/0xb0
[ 28.433136][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.433140][ T69] ret_from_fork+0x1db/0x270
[ 28.433143][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.433146][ T69] ret_from_fork_asm+0x11/0x20
[ 28.433158][ T69]
[ 28.433160][ T69]
[ 28.439527][ T69] Allocated by task 257:
[ 28.439662][ T69] kasan_save_stack+0x24/0x40
[ 28.439831][ T69] kasan_save_track+0x14/0x30
[ 28.439991][ T69] __kasan_kmalloc+0x7b/0x90
[ 28.440152][ T69] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 28.440330][ T69] alloc_netdev_mqs+0x7d/0x1370
[ 28.440497][ T69] sit_init_net+0x169/0x550
[ 28.440662][ T69] ops_init+0x189/0x550
[ 28.440787][ T69] setup_net+0xf1/0x380
[ 28.440918][ T69] copy_net_ns+0x21a/0x380
[ 28.441080][ T69] create_new_namespaces+0x35f/0x900
[ 28.441242][ T69] unshare_nsproxy_namespaces+0x89/0x120
[ 28.441412][ T69] ksys_unshare+0x2a3/0x660
[ 28.441579][ T69] __x64_sys_unshare+0x31/0x40
[ 28.441743][ T69] do_syscall_64+0xc1/0xfd0
[ 28.441912][ T69] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 28.442127][ T69]
[ 28.442211][ T69] Freed by task 69:
[ 28.442336][ T69] kasan_save_stack+0x24/0x40
[ 28.442503][ T69] kasan_save_track+0x14/0x30
[ 28.442663][ T69] __kasan_save_free_info+0x3b/0x60
[ 28.442825][ T69] __kasan_slab_free+0x3f/0x60
[ 28.442986][ T69] kfree+0x21d/0x540
[ 28.443111][ T69] device_release+0x9c/0x210
[ 28.443286][ T69] kobject_cleanup+0xfe/0x360
[ 28.443455][ T69] netdev_run_todo+0x81f/0xc60
[ 28.443617][ T69] ops_undo_list+0x714/0x890
[ 28.443786][ T69] cleanup_net+0x3b2/0x830
[ 28.443948][ T69] process_one_work+0xe35/0x1650
[ 28.444110][ T69] worker_thread+0x591/0xcf0
[ 28.444276][ T69] kthread+0x37b/0x5f0
[ 28.444404][ T69] ret_from_fork+0x1db/0x270
[ 28.444572][ T69] ret_from_fork_asm+0x11/0x20
[ 28.444744][ T69]
[ 28.444827][ T69] The buggy address belongs to the object at ffff888001e5c000
[ 28.444827][ T69] which belongs to the cache kmalloc-4k of size 4096
[ 28.445220][ T69] The buggy address is located 1708 bytes inside of
[ 28.445220][ T69] freed 4096-byte region [ffff888001e5c000, ffff888001e5d000)
[ 28.445622][ T69]
[ 28.445727][ T69] The buggy address belongs to the physical page:
[ 28.445930][ T69] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1e58
[ 28.446219][ T69] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 28.446474][ T69] flags: 0x80000000000040(head|node=0|zone=1)
[ 28.446688][ T69] page_type: f5(slab)
[ 28.446817][ T69] raw: 0080000000000040 ffff888001043700 ffffea0000228010 ffffea00001f7c10
[ 28.447119][ T69] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 28.447421][ T69] head: 0080000000000040 ffff888001043700 ffffea0000228010 ffffea00001f7c10
[ 28.447719][ T69] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 28.448002][ T69] head: 0080000000000003 ffffea0000079601 00000000ffffffff 00000000ffffffff
[ 28.448303][ T69] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 28.448592][ T69] page dumped because: kasan: bad access detected
[ 28.448792][ T69]
[ 28.448875][ T69] Memory state around the buggy address:
[ 28.449032][ T69] ffff888001e5c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.449275][ T69] ffff888001e5c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.449510][ T69] >ffff888001e5c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.449750][ T69] ^
[ 28.449909][ T69] ffff888001e5c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.450142][ T69] ffff888001e5c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 28.450392][ T69] ==================================================================
[ 28.450770][ T69] Disabling lock debugging due to kernel taint
[ 28.451089][ T69] ------------[ cut here ]------------
[ 28.451275][ T69] refcount_t: underflow; use-after-free.
[ 28.451532][ T69] WARNING: CPU: 2 PID: 69 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 28.451875][ T69] Modules linked in: ip_vs_rr bridge stp llc veth ip_vs nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4
[ 28.452265][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 28.452678][ T69] Tainted: [B]=BAD_PAGE
[ 28.452833][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.453084][ T69] Workqueue: netns cleanup_net
[ 28.453286][ T69] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 28.453527][ T69] Code: 83 90 02 80 fb 01 0f 87 95 6b d6 fe 83 e3 01 0f 85 51 ff ff ff c6 05 b1 83 90 02 01 90 48 c7 c7 a0 de c5 8e e8 c2 8b 15 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 f0 34 a1 ff e9 ba fe ff ff
[ 28.454187][ T69] RSP: 0018:ffffc900004a7a08 EFLAGS: 00010282
[ 28.454435][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 28.454713][ T69] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 28.454983][ T69] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff1ebe220
[ 28.455266][ T69] R10: 0000000000000003 R11: ffffc900004a7580 R12: 0000000000000001
[ 28.455558][ T69] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 28.455835][ T69] FS: 0000000000000000(0000) GS:ffff8880a58ec000(0000) knlGS:0000000000000000
[ 28.456163][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.456401][ T69] CR2: 00005598400fe890 CR3: 0000000009fbe003 CR4: 0000000000772ef0
[ 28.456678][ T69] PKRU: 55555554
[ 28.456837][ T69] Call Trace:
[ 28.457001][ T69]
[ 28.457122][ T69] netdev_run_todo+0x5f0/0xc60
[ 28.457321][ T69] ? rtnl_is_locked+0x15/0x20
[ 28.457516][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 28.457703][ T69] ? generic_xdp_install+0x410/0x410
[ 28.457891][ T69] ops_undo_list+0x714/0x890
[ 28.458096][ T69] ? netns_get+0x110/0x110
[ 28.458297][ T69] ? cleanup_net+0x2d6/0x830
[ 28.458488][ T69] cleanup_net+0x3b2/0x830
[ 28.458678][ T69] ? net_passive_dec+0x190/0x190
[ 28.458872][ T69] ? rcu_is_watching+0x12/0xb0
[ 28.459074][ T69] process_one_work+0xe35/0x1650
[ 28.459272][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 28.459467][ T69] ? assign_work+0x168/0x240
[ 28.459660][ T69] worker_thread+0x591/0xcf0
[ 28.459861][ T69] ? rescuer_thread+0xd10/0xd10
[ 28.460052][ T69] kthread+0x37b/0x5f0
[ 28.460212][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.460400][ T69] ? ret_from_fork+0x1b/0x270
[ 28.460599][ T69] ? __lock_release+0x5d/0x170
[ 28.460793][ T69] ? rcu_is_watching+0x12/0xb0
[ 28.460982][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.461175][ T69] ret_from_fork+0x1db/0x270
[ 28.461367][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.461650][ T69] ret_from_fork_asm+0x11/0x20
[ 28.461930][ T69]
[ 28.462091][ T69] irq event stamp: 26925
[ 28.462240][ T69] hardirqs last enabled at (26925): [] finish_task_switch.isra.0+0x245/0x960
[ 28.462689][ T69] hardirqs last disabled at (26924): [] __schedule+0x94a/0x1b10
[ 28.463015][ T69] softirqs last enabled at (25820): [] br_multicast_dev_del+0x15e/0x240 [bridge]
[ 28.463508][ T69] softirqs last disabled at (25810): [] br_multicast_dev_del+0x7e/0x240 [bridge]
[ 28.463905][ T69] ---[ end trace 0000000000000000 ]---
[ 28.751686][ T69] IPVS: stop unused estimator thread 0...
[ 32.243021][ T362] br0: port 1(veth01) entered blocking state
[ 32.243329][ T362] br0: port 1(veth01) entered disabled state
[ 32.243608][ T362] veth01: entered allmulticast mode
[ 32.245496][ T362] veth01: entered promiscuous mode
[ 32.399436][ T363] br0: port 2(veth02) entered blocking state
[ 32.399705][ T363] br0: port 2(veth02) entered disabled state
[ 32.399950][ T363] veth02: entered allmulticast mode
[ 32.401771][ T363] veth02: entered promiscuous mode
[ 32.852220][ T36] br0: port 1(veth01) entered blocking state
[ 32.852515][ T36] br0: port 1(veth01) entered forwarding state
[ 33.765418][ T37] br0: port 2(veth02) entered blocking state
[ 33.765786][ T37] br0: port 2(veth02) entered forwarding state
[ 35.435121][ T70] IPVS: starting estimator thread 0...
[ 35.498094][ T379] IPVS: using max 116 ests per chain, 278400 per kthread
[ 35.872853][ T382] br0: port 2(veth02) entered disabled state
[ 35.876336][ T382] veth02 (unregistering): left allmulticast mode
[ 35.876683][ T382] veth02 (unregistering): left promiscuous mode
[ 35.876937][ T382] br0: port 2(veth02) entered disabled state
[ 36.743900][ T69] veth01: left allmulticast mode
[ 36.744185][ T69] veth01: left promiscuous mode
[ 36.744543][ T69] br0: port 1(veth01) entered disabled state
[ 37.082603][ T69] IPVS: stop unused estimator thread 0...
[ 40.419928][ T441] br0: port 1(veth01) entered blocking state
[ 40.420858][ T441] br0: port 1(veth01) entered disabled state
[ 40.421719][ T441] veth01: entered allmulticast mode
[ 40.424549][ T441] veth01: entered promiscuous mode
[ 40.560966][ T442] br0: port 2(veth02) entered blocking state
[ 40.561792][ T442] br0: port 2(veth02) entered disabled state
[ 40.562043][ T442] veth02: entered allmulticast mode
[ 40.563831][ T442] veth02: entered promiscuous mode
[ 40.991776][ T37] br0: port 1(veth01) entered blocking state
[ 40.992083][ T37] br0: port 1(veth01) entered forwarding state
[ 41.852502][ T35] br0: port 2(veth02) entered blocking state
[ 41.852761][ T35] br0: port 2(veth02) entered forwarding state
[ 43.348611][ T456] ipip: IPv4 and MPLS over IPv4 tunneling driver
[ 43.993411][ T65] IPVS: starting estimator thread 0...
[ 44.058112][ T465] IPVS: using max 116 ests per chain, 278400 per kthread
[ 45.704913][ T69] veth02: left allmulticast mode
[ 45.705337][ T69] veth02: left promiscuous mode
[ 45.705640][ T69] br0: port 2(veth02) entered disabled state
[ 45.707078][ T69] veth01: left allmulticast mode
[ 45.707258][ T69] veth01: left promiscuous mode
[ 45.707543][ T69] br0: port 1(veth01) entered disabled state
[ 46.069502][ T69] IPVS: stop unused estimator thread 0...