[ 16.942361][ T251] ip (251) used greatest stack depth: 23744 bytes left
[ 22.235294][ T287] bridge: filtering via arp/ip/ip6tables is no longer available by default. Update your scripts to load br_netfilter if you need this.
[ 22.476950][ T290] br0: port 1(veth1) entered blocking state
[ 22.477568][ T290] br0: port 1(veth1) entered disabled state
[ 22.478112][ T290] veth1: entered allmulticast mode
[ 22.481661][ T290] veth1: entered promiscuous mode
[ 22.609367][ T291] br0: port 2(veth2) entered blocking state
[ 22.610347][ T291] br0: port 2(veth2) entered disabled state
[ 22.610781][ T291] veth2: entered allmulticast mode
[ 22.614181][ T291] veth2: entered promiscuous mode
[ 22.746822][ T292] br0: port 3(veth3) entered blocking state
[ 22.747238][ T292] br0: port 3(veth3) entered disabled state
[ 22.747677][ T292] veth3: entered allmulticast mode
[ 22.751045][ T292] veth3: entered promiscuous mode
[ 23.807569][ T300] veth4: entered promiscuous mode
[ 23.937815][ T301] br0: port 4(macvlan4) entered blocking state
[ 23.938292][ T301] br0: port 4(macvlan4) entered disabled state
[ 23.938817][ T301] macvlan4: entered allmulticast mode
[ 23.939142][ T301] veth4: entered allmulticast mode
[ 23.943419][ T301] macvlan4: entered promiscuous mode
[ 24.075086][ T302] br0: entered promiscuous mode
[ 24.381416][ T304] Bridge firewalling registered
[ 26.236988][ T38] br0: port 1(veth1) entered blocking state
[ 26.237648][ T38] br0: port 1(veth1) entered forwarding state
[ 26.374749][ T38] br0: port 2(veth2) entered blocking state
[ 26.375213][ T38] br0: port 2(veth2) entered forwarding state
[ 26.517197][ T47] br0: port 3(veth3) entered blocking state
[ 26.517652][ T47] br0: port 3(veth3) entered forwarding state
[ 26.684045][ T37] br0: port 4(macvlan4) entered blocking state
[ 26.684573][ T37] br0: port 4(macvlan4) entered forwarding state
[ 95.983960][ T72] macvlan4: left allmulticast mode
[ 95.984376][ T72] veth4: left allmulticast mode
[ 95.984930][ T72] macvlan4: left promiscuous mode
[ 95.985452][ T72] br0: port 4(macvlan4) entered disabled state
[ 95.989338][ T72] veth3: left allmulticast mode
[ 95.989923][ T72] veth3: left promiscuous mode
[ 95.990410][ T72] br0: port 3(veth3) entered disabled state
[ 95.993205][ T72] veth2: left allmulticast mode
[ 95.993544][ T72] veth2: left promiscuous mode
[ 95.994047][ T72] br0: port 2(veth2) entered disabled state
[ 95.997545][ T72] veth1: left allmulticast mode
[ 95.997901][ T72] veth1: left promiscuous mode
[ 95.998393][ T72] br0: port 1(veth1) entered disabled state
[ 96.062990][ T72] ==================================================================
[ 96.063358][ T72] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 96.063681][ T72] Read of size 1 at addr ffff8880056e16ac by task kworker/u16:1/72
[ 96.063978][ T72]
[ 96.064087][ T72] CPU: 3 UID: 0 PID: 72 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 96.064095][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.064099][ T72] Workqueue: netns cleanup_net
[ 96.064107][ T72] Call Trace:
[ 96.064109][ T72]
[ 96.064113][ T72] dump_stack_lvl+0x82/0xc0
[ 96.064119][ T72] print_address_description.constprop.0+0x2c/0x3a0
[ 96.064128][ T72] ? kobject_put+0xbb/0xd0
[ 96.064132][ T72] print_report+0xb4/0x270
[ 96.064136][ T72] ? kobject_put+0xbb/0xd0
[ 96.064139][ T72] ? kasan_addr_to_slab+0x21/0x70
[ 96.064143][ T72] ? kobject_put+0xbb/0xd0
[ 96.064147][ T72] kasan_report+0xca/0x100
[ 96.064151][ T72] ? kobject_put+0xbb/0xd0
[ 96.064157][ T72] kobject_put+0xbb/0xd0
[ 96.064160][ T72] netdev_run_todo+0x5f0/0xc60
[ 96.064166][ T72] ? rtnl_is_locked+0x15/0x20
[ 96.064171][ T72] ? dev_ingress_queue_create+0x190/0x190
[ 96.064175][ T72] ? generic_xdp_install+0x410/0x410
[ 96.064182][ T72] ops_undo_list+0x714/0x890
[ 96.064200][ T72] ? netns_get+0x110/0x110
[ 96.064204][ T72] ? cleanup_net+0x2d6/0x830
[ 96.064209][ T72] cleanup_net+0x3b2/0x830
[ 96.064212][ T72] ? net_passive_dec+0x190/0x190
[ 96.064216][ T72] ? rcu_is_watching+0x12/0xb0
[ 96.064223][ T72] process_one_work+0xe35/0x1650
[ 96.064233][ T72] ? pwq_dec_nr_in_flight+0x550/0x550
[ 96.064238][ T72] ? assign_work+0x168/0x240
[ 96.064243][ T72] worker_thread+0x591/0xcf0
[ 96.064249][ T72] ? rescuer_thread+0xd10/0xd10
[ 96.064252][ T72] kthread+0x37b/0x5f0
[ 96.064257][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.064260][ T72] ? ret_from_fork+0x1b/0x270
[ 96.064267][ T72] ? __lock_release+0x5d/0x170
[ 96.064274][ T72] ? rcu_is_watching+0x12/0xb0
[ 96.064277][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.064280][ T72] ret_from_fork+0x1db/0x270
[ 96.064284][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.064286][ T72] ret_from_fork_asm+0x11/0x20
[ 96.064296][ T72]
[ 96.064298][ T72]
[ 96.072207][ T72] Allocated by task 293:
[ 96.072369][ T72] kasan_save_stack+0x24/0x40
[ 96.072591][ T72] kasan_save_track+0x14/0x30
[ 96.072793][ T72] __kasan_kmalloc+0x7b/0x90
[ 96.072996][ T72] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 96.073201][ T72] alloc_netdev_mqs+0x7d/0x1370
[ 96.073406][ T72] rtnl_create_link+0xa9e/0xe20
[ 96.073608][ T72] rtnl_newlink_create+0x203/0x770
[ 96.073808][ T72] __rtnl_newlink+0x231/0xa30
[ 96.074007][ T72] rtnl_newlink+0x693/0xa60
[ 96.074218][ T72] rtnetlink_rcv_msg+0x709/0xc00
[ 96.074428][ T72] netlink_rcv_skb+0x121/0x340
[ 96.074632][ T72] netlink_unicast+0x4aa/0x780
[ 96.074840][ T72] netlink_sendmsg+0x714/0xbd0
[ 96.075040][ T72] ____sys_sendmsg+0x3dd/0x890
[ 96.075239][ T72] ___sys_sendmsg+0xed/0x170
[ 96.075443][ T72] __sys_sendmsg+0x10b/0x1a0
[ 96.075642][ T72] do_syscall_64+0xc1/0xfd0
[ 96.075848][ T72] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 96.076101][ T72]
[ 96.076216][ T72] Freed by task 72:
[ 96.076371][ T72] kasan_save_stack+0x24/0x40
[ 96.076579][ T72] kasan_save_track+0x14/0x30
[ 96.076780][ T72] __kasan_save_free_info+0x3b/0x60
[ 96.076982][ T72] __kasan_slab_free+0x3f/0x60
[ 96.077187][ T72] kfree+0x21d/0x540
[ 96.077339][ T72] device_release+0x9c/0x210
[ 96.077553][ T72] kobject_cleanup+0xfe/0x360
[ 96.077763][ T72] netdev_run_todo+0x81f/0xc60
[ 96.077979][ T72] ops_undo_list+0x714/0x890
[ 96.078187][ T72] cleanup_net+0x3b2/0x830
[ 96.078390][ T72] process_one_work+0xe35/0x1650
[ 96.078598][ T72] worker_thread+0x591/0xcf0
[ 96.078799][ T72] kthread+0x37b/0x5f0
[ 96.078952][ T72] ret_from_fork+0x1db/0x270
[ 96.079165][ T72] ret_from_fork_asm+0x11/0x20
[ 96.079375][ T72]
[ 96.079481][ T72] The buggy address belongs to the object at ffff8880056e1000
[ 96.079481][ T72] which belongs to the cache kmalloc-4k of size 4096
[ 96.079963][ T72] The buggy address is located 1708 bytes inside of
[ 96.079963][ T72] freed 4096-byte region [ffff8880056e1000, ffff8880056e2000)
[ 96.080459][ T72]
[ 96.080560][ T72] The buggy address belongs to the physical page:
[ 96.080810][ T72] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x56e0
[ 96.081170][ T72] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 96.081473][ T72] flags: 0x80000000000040(head|node=0|zone=1)
[ 96.081741][ T72] page_type: f5(slab)
[ 96.081898][ T72] raw: 0080000000000040 ffff888001043700 ffffea0000208c10 ffffea00001d8e10
[ 96.082265][ T72] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 96.082624][ T72] head: 0080000000000040 ffff888001043700 ffffea0000208c10 ffffea00001d8e10
[ 96.082980][ T72] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 96.083433][ T72] head: 0080000000000003 ffffea000015b801 00000000ffffffff 00000000ffffffff
[ 96.083800][ T72] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 96.084260][ T72] page dumped because: kasan: bad access detected
[ 96.084518][ T72]
[ 96.084618][ T72] Memory state around the buggy address:
[ 96.084808][ T72] ffff8880056e1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 96.085189][ T72] ffff8880056e1600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 96.085479][ T72] >ffff8880056e1680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 96.085776][ T72] ^
[ 96.085968][ T72] ffff8880056e1700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 96.086257][ T72] ffff8880056e1780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 96.086549][ T72] ==================================================================
[ 96.086967][ T72] Disabling lock debugging due to kernel taint
[ 96.087210][ T72] ------------[ cut here ]------------
[ 96.087395][ T72] refcount_t: underflow; use-after-free.
[ 96.087630][ T72] WARNING: CPU: 3 PID: 72 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 96.087989][ T72] 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
[ 96.088503][ T72] CPU: 3 UID: 0 PID: 72 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 96.088963][ T72] Tainted: [B]=BAD_PAGE
[ 96.089116][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 96.089459][ T72] Workqueue: netns cleanup_net
[ 96.089681][ T72] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 96.089935][ T72] 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 45 a4 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
[ 96.090640][ T72] RSP: 0018:ffffc900004d7a08 EFLAGS: 00010282
[ 96.090899][ T72] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 96.091199][ T72] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 96.091504][ T72] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff49be220
[ 96.091889][ T72] R10: 0000000000000003 R11: ffffc900004d7580 R12: 0000000000000001
[ 96.092194][ T72] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 96.092492][ T72] FS: 0000000000000000(0000) GS:ffff88809016c000(0000) knlGS:0000000000000000
[ 96.092842][ T72] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 96.093092][ T72] CR2: 00007ffd86c76668 CR3: 000000000a12d001 CR4: 0000000000772ef0
[ 96.093384][ T72] PKRU: 55555554
[ 96.093629][ T72] Call Trace:
[ 96.093796][ T72]
[ 96.093900][ T72] netdev_run_todo+0x5f0/0xc60
[ 96.094111][ T72] ? rtnl_is_locked+0x15/0x20
[ 96.094325][ T72] ? dev_ingress_queue_create+0x190/0x190
[ 96.094619][ T72] ? generic_xdp_install+0x410/0x410
[ 96.094826][ T72] ops_undo_list+0x714/0x890
[ 96.095025][ T72] ? netns_get+0x110/0x110
[ 96.095232][ T72] ? cleanup_net+0x2d6/0x830
[ 96.095543][ T72] cleanup_net+0x3b2/0x830
[ 96.095748][ T72] ? net_passive_dec+0x190/0x190
[ 96.095951][ T72] ? rcu_is_watching+0x12/0xb0
[ 96.096157][ T72] process_one_work+0xe35/0x1650
[ 96.096443][ T72] ? pwq_dec_nr_in_flight+0x550/0x550
[ 96.096648][ T72] ? assign_work+0x168/0x240
[ 96.096850][ T72] worker_thread+0x591/0xcf0
[ 96.097051][ T72] ? rescuer_thread+0xd10/0xd10
[ 96.097341][ T72] kthread+0x37b/0x5f0
[ 96.097495][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.097698][ T72] ? ret_from_fork+0x1b/0x270
[ 96.097909][ T72] ? __lock_release+0x5d/0x170
[ 96.098204][ T72] ? rcu_is_watching+0x12/0xb0
[ 96.098404][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.098613][ T72] ret_from_fork+0x1db/0x270
[ 96.098816][ T72] ? kthread_is_per_cpu+0xc0/0xc0
[ 96.099184][ T72] ret_from_fork_asm+0x11/0x20
[ 96.099469][ T72]
[ 96.099628][ T72] irq event stamp: 34561
[ 96.099864][ T72] hardirqs last enabled at (34561): [] irqentry_exit+0x3b/0x80
[ 96.100213][ T72] hardirqs last disabled at (34560): [] handle_softirqs+0x47f/0x610
[ 96.100739][ T72] softirqs last enabled at (34468): [] handle_softirqs+0x352/0x610
[ 96.101359][ T72] softirqs last disabled at (34461): [] irq_exit_rcu+0xab/0x100
[ 96.101718][ T72] ---[ end trace 0000000000000000 ]---
[ 96.103455][ T72] veth4: left promiscuous mode