[ 29.859046][ T286] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 30.240848][ T288] br0: port 1(veth1) entered blocking state
[ 30.242130][ T288] br0: port 1(veth1) entered disabled state
[ 30.242956][ T288] veth1: entered allmulticast mode
[ 30.248829][ T288] veth1: entered promiscuous mode
[ 30.445178][ T289] br0: port 2(veth2) entered blocking state
[ 30.445939][ T289] br0: port 2(veth2) entered disabled state
[ 30.446632][ T289] veth2: entered allmulticast mode
[ 30.451894][ T289] veth2: entered promiscuous mode
[ 30.688451][ T290] br0: port 3(veth3) entered blocking state
[ 30.689193][ T290] br0: port 3(veth3) entered disabled state
[ 30.689987][ T290] veth3: entered allmulticast mode
[ 30.697111][ T290] veth3: entered promiscuous mode
[ 32.187208][ T298] veth4: entered promiscuous mode
[ 32.364855][ T299] br0: port 4(macvlan4) entered blocking state
[ 32.365382][ T299] br0: port 4(macvlan4) entered disabled state
[ 32.365858][ T299] macvlan4: entered allmulticast mode
[ 32.366173][ T299] veth4: entered allmulticast mode
[ 32.370105][ T299] macvlan4: entered promiscuous mode
[ 32.587270][ T300] br0: entered promiscuous mode
[ 32.611545][ T300] ip (300) used greatest stack depth: 24176 bytes left
[ 33.019900][ T302] Bridge firewalling registered
[ 35.485979][ T36] br0: port 1(veth1) entered blocking state
[ 35.486603][ T36] br0: port 1(veth1) entered forwarding state
[ 35.623032][ T38] br0: port 2(veth2) entered blocking state
[ 35.623622][ T38] br0: port 2(veth2) entered forwarding state
[ 35.826061][ T47] br0: port 3(veth3) entered blocking state
[ 35.826521][ T47] br0: port 3(veth3) entered forwarding state
[ 36.074216][ T36] br0: port 4(macvlan4) entered blocking state
[ 36.075008][ T36] br0: port 4(macvlan4) entered forwarding state
[ 129.248208][ T12] macvlan4: left allmulticast mode
[ 129.248743][ T12] veth4: left allmulticast mode
[ 129.249101][ T12] macvlan4: left promiscuous mode
[ 129.249741][ T12] br0: port 4(macvlan4) entered disabled state
[ 129.255333][ T12] veth3: left allmulticast mode
[ 129.255986][ T12] veth3: left promiscuous mode
[ 129.257095][ T12] br0: port 3(veth3) entered disabled state
[ 129.262931][ T12] veth2: left allmulticast mode
[ 129.263458][ T12] veth2: left promiscuous mode
[ 129.264266][ T12] br0: port 2(veth2) entered disabled state
[ 129.271305][ T12] veth1: left allmulticast mode
[ 129.271921][ T12] veth1: left promiscuous mode
[ 129.272572][ T12] br0: port 1(veth1) entered disabled state
[ 129.353712][ T12] ==================================================================
[ 129.354062][ T12] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 129.354407][ T12] Read of size 1 at addr ffff8880104696ac by task kworker/u16:0/12
[ 129.354664][ T12]
[ 129.354787][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 129.354793][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.354796][ T12] Workqueue: netns cleanup_net
[ 129.354811][ T12] Call Trace:
[ 129.354816][ T12]
[ 129.354819][ T12] dump_stack_lvl+0x82/0xc0
[ 129.354829][ T12] print_address_description.constprop.0+0x2c/0x3a0
[ 129.354849][ T12] ? kobject_put+0xbb/0xd0
[ 129.354854][ T12] print_report+0xb4/0x270
[ 129.354857][ T12] ? kobject_put+0xbb/0xd0
[ 129.354861][ T12] ? kasan_addr_to_slab+0x21/0x70
[ 129.354864][ T12] ? kobject_put+0xbb/0xd0
[ 129.354868][ T12] kasan_report+0xca/0x100
[ 129.354872][ T12] ? kobject_put+0xbb/0xd0
[ 129.354878][ T12] kobject_put+0xbb/0xd0
[ 129.354881][ T12] netdev_run_todo+0x5f0/0xc60
[ 129.354887][ T12] ? rtnl_is_locked+0x15/0x20
[ 129.354893][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 129.354897][ T12] ? generic_xdp_install+0x410/0x410
[ 129.354904][ T12] ops_undo_list+0x714/0x890
[ 129.354912][ T12] ? netns_get+0x110/0x110
[ 129.354915][ T12] ? cleanup_net+0x2d6/0x830
[ 129.354920][ T12] cleanup_net+0x3b2/0x830
[ 129.354924][ T12] ? net_passive_dec+0x190/0x190
[ 129.354927][ T12] ? rcu_is_watching+0x12/0xb0
[ 129.354946][ T12] process_one_work+0xe35/0x1650
[ 129.354965][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 129.354990][ T12] ? assign_work+0x168/0x240
[ 129.354997][ T12] worker_thread+0x591/0xcf0
[ 129.355004][ T12] ? rescuer_thread+0xd10/0xd10
[ 129.355007][ T12] kthread+0x37b/0x5f0
[ 129.355014][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.355016][ T12] ? ret_from_fork+0x1b/0x270
[ 129.355033][ T12] ? __lock_release+0x5d/0x170
[ 129.355043][ T12] ? rcu_is_watching+0x12/0xb0
[ 129.355046][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.355049][ T12] ret_from_fork+0x1db/0x270
[ 129.355053][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.355056][ T12] ret_from_fork_asm+0x11/0x20
[ 129.355071][ T12]
[ 129.355072][ T12]
[ 129.362192][ T12] Allocated by task 291:
[ 129.362348][ T12] kasan_save_stack+0x24/0x40
[ 129.362559][ T12] kasan_save_track+0x14/0x30
[ 129.362762][ T12] __kasan_kmalloc+0x7b/0x90
[ 129.362953][ T12] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 129.363144][ T12] alloc_netdev_mqs+0x7d/0x1370
[ 129.363348][ T12] rtnl_create_link+0xa9e/0xe20
[ 129.363542][ T12] rtnl_newlink_create+0x203/0x770
[ 129.363715][ T12] __rtnl_newlink+0x231/0xa30
[ 129.363892][ T12] rtnl_newlink+0x693/0xa60
[ 129.364075][ T12] rtnetlink_rcv_msg+0x709/0xc00
[ 129.364250][ T12] netlink_rcv_skb+0x121/0x340
[ 129.364433][ T12] netlink_unicast+0x4aa/0x780
[ 129.364601][ T12] netlink_sendmsg+0x714/0xbd0
[ 129.364786][ T12] ____sys_sendmsg+0x3dd/0x890
[ 129.364960][ T12] ___sys_sendmsg+0xed/0x170
[ 129.365153][ T12] __sys_sendmsg+0x10b/0x1a0
[ 129.365332][ T12] do_syscall_64+0xc1/0xfd0
[ 129.365521][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 129.365758][ T12]
[ 129.365842][ T12] Freed by task 12:
[ 129.365965][ T12] kasan_save_stack+0x24/0x40
[ 129.366138][ T12] kasan_save_track+0x14/0x30
[ 129.366326][ T12] __kasan_save_free_info+0x3b/0x60
[ 129.366494][ T12] __kasan_slab_free+0x3f/0x60
[ 129.366660][ T12] kfree+0x21d/0x540
[ 129.366797][ T12] device_release+0x9c/0x210
[ 129.367071][ T12] kobject_cleanup+0xfe/0x360
[ 129.367263][ T12] netdev_run_todo+0x81f/0xc60
[ 129.367449][ T12] ops_undo_list+0x714/0x890
[ 129.367627][ T12] cleanup_net+0x3b2/0x830
[ 129.367807][ T12] process_one_work+0xe35/0x1650
[ 129.367975][ T12] worker_thread+0x591/0xcf0
[ 129.368132][ T12] kthread+0x37b/0x5f0
[ 129.368275][ T12] ret_from_fork+0x1db/0x270
[ 129.368457][ T12] ret_from_fork_asm+0x11/0x20
[ 129.368616][ T12]
[ 129.368714][ T12] The buggy address belongs to the object at ffff888010469000
[ 129.368714][ T12] which belongs to the cache kmalloc-4k of size 4096
[ 129.369142][ T12] The buggy address is located 1708 bytes inside of
[ 129.369142][ T12] freed 4096-byte region [ffff888010469000, ffff88801046a000)
[ 129.369565][ T12]
[ 129.369692][ T12] The buggy address belongs to the physical page:
[ 129.369924][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10468
[ 129.370270][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 129.370545][ T12] flags: 0x80000000000040(head|node=0|zone=1)
[ 129.370804][ T12] page_type: f5(slab)
[ 129.370952][ T12] raw: 0080000000000040 ffff888001043700 ffffea000025cc10 ffffea000025f610
[ 129.371273][ T12] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 129.371604][ T12] head: 0080000000000040 ffff888001043700 ffffea000025cc10 ffffea000025f610
[ 129.371926][ T12] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 129.372235][ T12] head: 0080000000000003 ffffea0000411a01 00000000ffffffff 00000000ffffffff
[ 129.372748][ T12] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 129.373070][ T12] page dumped because: kasan: bad access detected
[ 129.373273][ T12]
[ 129.373468][ T12] Memory state around the buggy address:
[ 129.373659][ T12] ffff888010469580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 129.373916][ T12] ffff888010469600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 129.374154][ T12] >ffff888010469680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 129.374414][ T12] ^
[ 129.374577][ T12] ffff888010469700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 129.374927][ T12] ffff888010469780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 129.375192][ T12] ==================================================================
[ 129.375467][ T12] Disabling lock debugging due to kernel taint
[ 129.375776][ T12] ------------[ cut here ]------------
[ 129.375928][ T12] refcount_t: underflow; use-after-free.
[ 129.376162][ T12] WARNING: CPU: 3 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 129.376509][ T12] Modules linked in: nft_meta_bridge nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nf_tables br_netfilter macvlan bridge stp llc veth
[ 129.376948][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 129.377341][ T12] Tainted: [B]=BAD_PAGE
[ 129.377476][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 129.377828][ T12] Workqueue: netns cleanup_net
[ 129.378098][ T12] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 129.378362][ T12] 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 05 a1 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
[ 129.378964][ T12] RSP: 0018:ffffc900000c7a08 EFLAGS: 00010282
[ 129.379198][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 129.379482][ T12] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 129.379854][ T12] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff433e220
[ 129.380105][ T12] R10: 0000000000000003 R11: ffffc900000c7580 R12: 0000000000000001
[ 129.380372][ T12] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 129.380668][ T12] FS: 0000000000000000(0000) GS:ffff88809356c000(0000) knlGS:0000000000000000
[ 129.381017][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 129.381333][ T12] CR2: 000055c3c1206e88 CR3: 0000000032135003 CR4: 0000000000772ef0
[ 129.381712][ T12] PKRU: 55555554
[ 129.381851][ T12] Call Trace:
[ 129.381978][ T12]
[ 129.382177][ T12] netdev_run_todo+0x5f0/0xc60
[ 129.382368][ T12] ? rtnl_is_locked+0x15/0x20
[ 129.382555][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 129.382744][ T12] ? generic_xdp_install+0x410/0x410
[ 129.382939][ T12] ops_undo_list+0x714/0x890
[ 129.383111][ T12] ? netns_get+0x110/0x110
[ 129.383293][ T12] ? cleanup_net+0x2d6/0x830
[ 129.383461][ T12] cleanup_net+0x3b2/0x830
[ 129.383729][ T12] ? net_passive_dec+0x190/0x190
[ 129.383893][ T12] ? rcu_is_watching+0x12/0xb0
[ 129.384155][ T12] process_one_work+0xe35/0x1650
[ 129.384346][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 129.384514][ T12] ? assign_work+0x168/0x240
[ 129.384721][ T12] worker_thread+0x591/0xcf0
[ 129.384884][ T12] ? rescuer_thread+0xd10/0xd10
[ 129.385094][ T12] kthread+0x37b/0x5f0
[ 129.385330][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.385505][ T12] ? ret_from_fork+0x1b/0x270
[ 129.385678][ T12] ? __lock_release+0x5d/0x170
[ 129.385875][ T12] ? rcu_is_watching+0x12/0xb0
[ 129.386047][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.386354][ T12] ret_from_fork+0x1db/0x270
[ 129.386550][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 129.386846][ T12] ret_from_fork_asm+0x11/0x20
[ 129.387039][ T12]
[ 129.387205][ T12] irq event stamp: 35551
[ 129.387352][ T12] hardirqs last enabled at (35551): [] irqentry_exit+0x3b/0x80
[ 129.387654][ T12] hardirqs last disabled at (35550): [] handle_softirqs+0x47f/0x610
[ 129.388065][ T12] softirqs last enabled at (35444): [] handle_softirqs+0x352/0x610
[ 129.388383][ T12] softirqs last disabled at (35435): [] irq_exit_rcu+0xab/0x100
[ 129.388775][ T12] ---[ end trace 0000000000000000 ]---
[ 129.390582][ T12] veth4: left promiscuous mode