[ 17.338367][ T251] ip (251) used greatest stack depth: 24336 bytes left
[ 25.927210][ T367] br: port 1(veth1) entered blocking state
[ 25.928474][ T367] br: port 1(veth1) entered disabled state
[ 25.929992][ T367] veth1: entered allmulticast mode
[ 25.937590][ T367] veth1: entered promiscuous mode
[ 25.942159][ T37] br: port 1(veth1) entered blocking state
[ 25.943170][ T37] br: port 1(veth1) entered forwarding state
[ 26.168469][ T373] br: port 2(veth3) entered blocking state
[ 26.169085][ T373] br: port 2(veth3) entered disabled state
[ 26.169659][ T373] veth3: entered allmulticast mode
[ 26.173590][ T373] veth3: entered promiscuous mode
[ 26.176790][ T45] br: port 2(veth3) entered blocking state
[ 26.177492][ T45] br: port 2(veth3) entered forwarding state
[ 26.391071][ T378] br: port 3(veth4) entered blocking state
[ 26.391580][ T378] br: port 3(veth4) entered disabled state
[ 26.392674][ T378] veth4: entered allmulticast mode
[ 26.399315][ T378] veth4: entered promiscuous mode
[ 26.404322][ T38] br: port 3(veth4) entered blocking state
[ 26.404969][ T38] br: port 3(veth4) entered forwarding state
[ 137.298005][ T819] Mirror/redirect action on
[ 184.205036][ T1007] ==================================================================
[ 184.205458][ T1007] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 184.205765][ T1007] Read of size 1 at addr ffff888004a996ac by task ip/1007
[ 184.206024][ T1007]
[ 184.206117][ T1007] CPU: 0 UID: 0 PID: 1007 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 184.206122][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.206125][ T1007] Call Trace:
[ 184.206127][ T1007]
[ 184.206129][ T1007] dump_stack_lvl+0x82/0xc0
[ 184.206136][ T1007] print_address_description.constprop.0+0x2c/0x3a0
[ 184.206144][ T1007] ? kobject_put+0xbb/0xd0
[ 184.206148][ T1007] print_report+0xb4/0x270
[ 184.206151][ T1007] ? kobject_put+0xbb/0xd0
[ 184.206154][ T1007] ? kasan_addr_to_slab+0x21/0x70
[ 184.206157][ T1007] ? kobject_put+0xbb/0xd0
[ 184.206161][ T1007] kasan_report+0xca/0x100
[ 184.206164][ T1007] ? kobject_put+0xbb/0xd0
[ 184.206169][ T1007] kobject_put+0xbb/0xd0
[ 184.206173][ T1007] netdev_run_todo+0x5f0/0xc60
[ 184.206178][ T1007] ? dev_ingress_queue_create+0x190/0x190
[ 184.206182][ T1007] ? generic_xdp_install+0x410/0x410
[ 184.206185][ T1007] ? unregister_netdevice_many+0x20/0x20
[ 184.206187][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.206200][ T1007] rtnl_dellink+0x350/0xa30
[ 184.206205][ T1007] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 184.206224][ T1007] ? find_held_lock+0x2b/0x80
[ 184.206229][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.206235][ T1007] ? find_held_lock+0x2b/0x80
[ 184.206239][ T1007] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 184.206242][ T1007] ? __lock_release+0x5d/0x170
[ 184.206246][ T1007] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 184.206250][ T1007] rtnetlink_rcv_msg+0x709/0xc00
[ 184.206254][ T1007] ? rtnl_port_fill+0x850/0x850
[ 184.206256][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.206263][ T1007] netlink_rcv_skb+0x121/0x340
[ 184.206269][ T1007] ? rtnl_port_fill+0x850/0x850
[ 184.206272][ T1007] ? netlink_ack+0xdd0/0xdd0
[ 184.206279][ T1007] ? netlink_deliver_tap+0x13e/0x340
[ 184.206281][ T1007] ? netlink_deliver_tap+0xc3/0x340
[ 184.206285][ T1007] netlink_unicast+0x4aa/0x780
[ 184.206289][ T1007] ? netlink_attachskb+0x810/0x810
[ 184.206294][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.206299][ T1007] netlink_sendmsg+0x714/0xbd0
[ 184.206303][ T1007] ? netlink_unicast+0x780/0x780
[ 184.206307][ T1007] ? __import_iovec+0x230/0x3b0
[ 184.206316][ T1007] ? netlink_unicast+0x780/0x780
[ 184.206320][ T1007] ____sys_sendmsg+0x3dd/0x890
[ 184.206327][ T1007] ? get_timestamp.constprop.0+0x380/0x380
[ 184.206330][ T1007] ? __copy_msghdr+0x3c0/0x3c0
[ 184.206339][ T1007] ___sys_sendmsg+0xed/0x170
[ 184.206342][ T1007] ? kasan_record_aux_stack+0x8c/0xa0
[ 184.206345][ T1007] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 184.206353][ T1007] ? copy_msghdr_from_user+0x110/0x110
[ 184.206358][ T1007] ? find_held_lock+0x2b/0x80
[ 184.206362][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.206368][ T1007] ? find_held_lock+0x2b/0x80
[ 184.206372][ T1007] ? __virt_addr_valid+0x22a/0x450
[ 184.206379][ T1007] ? __lock_release+0x5d/0x170
[ 184.206385][ T1007] __sys_sendmsg+0x10b/0x1a0
[ 184.206388][ T1007] ? __call_rcu_common.constprop.0+0x318/0x630
[ 184.206392][ T1007] ? __sys_sendmsg_sock+0x20/0x20
[ 184.206399][ T1007] ? rcu_is_watching+0x12/0xb0
[ 184.206404][ T1007] do_syscall_64+0xc1/0xfd0
[ 184.206410][ T1007] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.206417][ T1007] RIP: 0033:0x7f823810b1d7
[ 184.206423][ T1007] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 184.206426][ T1007] RSP: 002b:00007ffdf500e6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 184.206431][ T1007] RAX: ffffffffffffffda RBX: 00007ffdf500ede0 RCX: 00007f823810b1d7
[ 184.206433][ T1007] RDX: 0000000000000000 RSI: 00007ffdf500e720 RDI: 0000000000000005
[ 184.206435][ T1007] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 184.206437][ T1007] R10: 00007f8238007f60 R11: 0000000000000246 R12: 0000000000000002
[ 184.206439][ T1007] R13: 00000000690dea14 R14: 0000000000499600 R15: 0000000000000000
[ 184.206446][ T1007]
[ 184.206447][ T1007]
[ 184.219831][ T1007] Allocated by task 412:
[ 184.219966][ T1007] kasan_save_stack+0x24/0x40
[ 184.220140][ T1007] kasan_save_track+0x14/0x30
[ 184.220325][ T1007] __kasan_kmalloc+0x7b/0x90
[ 184.220590][ T1007] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 184.220765][ T1007] alloc_netdev_mqs+0x7d/0x1370
[ 184.220933][ T1007] rtnl_create_link+0xa9e/0xe20
[ 184.221099][ T1007] rtnl_newlink_create+0x203/0x770
[ 184.221265][ T1007] __rtnl_newlink+0x231/0xa30
[ 184.221430][ T1007] rtnl_newlink+0x693/0xa60
[ 184.221602][ T1007] rtnetlink_rcv_msg+0x709/0xc00
[ 184.221770][ T1007] netlink_rcv_skb+0x121/0x340
[ 184.221937][ T1007] netlink_unicast+0x4aa/0x780
[ 184.222108][ T1007] netlink_sendmsg+0x714/0xbd0
[ 184.222272][ T1007] ____sys_sendmsg+0x3dd/0x890
[ 184.222445][ T1007] ___sys_sendmsg+0xed/0x170
[ 184.222711][ T1007] __sys_sendmsg+0x10b/0x1a0
[ 184.222882][ T1007] do_syscall_64+0xc1/0xfd0
[ 184.223051][ T1007] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.223261][ T1007]
[ 184.223344][ T1007] Freed by task 1007:
[ 184.223482][ T1007] kasan_save_stack+0x24/0x40
[ 184.223652][ T1007] kasan_save_track+0x14/0x30
[ 184.223816][ T1007] __kasan_save_free_info+0x3b/0x60
[ 184.223995][ T1007] __kasan_slab_free+0x3f/0x60
[ 184.224170][ T1007] kfree+0x21d/0x540
[ 184.224309][ T1007] device_release+0x9c/0x210
[ 184.224493][ T1007] kobject_cleanup+0xfe/0x360
[ 184.224777][ T1007] netdev_run_todo+0x81f/0xc60
[ 184.224951][ T1007] rtnl_dellink+0x350/0xa30
[ 184.225119][ T1007] rtnetlink_rcv_msg+0x709/0xc00
[ 184.225290][ T1007] netlink_rcv_skb+0x121/0x340
[ 184.225462][ T1007] netlink_unicast+0x4aa/0x780
[ 184.225626][ T1007] netlink_sendmsg+0x714/0xbd0
[ 184.225797][ T1007] ____sys_sendmsg+0x3dd/0x890
[ 184.225962][ T1007] ___sys_sendmsg+0xed/0x170
[ 184.226233][ T1007] __sys_sendmsg+0x10b/0x1a0
[ 184.226410][ T1007] do_syscall_64+0xc1/0xfd0
[ 184.226599][ T1007] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.226811][ T1007]
[ 184.226896][ T1007] The buggy address belongs to the object at ffff888004a99000
[ 184.226896][ T1007] which belongs to the cache kmalloc-4k of size 4096
[ 184.227322][ T1007] The buggy address is located 1708 bytes inside of
[ 184.227322][ T1007] freed 4096-byte region [ffff888004a99000, ffff888004a9a000)
[ 184.227734][ T1007]
[ 184.227824][ T1007] The buggy address belongs to the physical page:
[ 184.228038][ T1007] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4a98
[ 184.228342][ T1007] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 184.228605][ T1007] flags: 0x80000000000040(head|node=0|zone=1)
[ 184.228842][ T1007] page_type: f5(slab)
[ 184.228977][ T1007] raw: 0080000000000040 ffff888001043700 ffffea00001fbe10 ffffea00001cb010
[ 184.229280][ T1007] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 184.229632][ T1007] head: 0080000000000040 ffff888001043700 ffffea00001fbe10 ffffea00001cb010
[ 184.229965][ T1007] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 184.230431][ T1007] head: 0080000000000003 ffffea000012a601 00000000ffffffff 00000000ffffffff
[ 184.230837][ T1007] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 184.231261][ T1007] page dumped because: kasan: bad access detected
[ 184.231472][ T1007]
[ 184.231558][ T1007] Memory state around the buggy address:
[ 184.231727][ T1007] ffff888004a99580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 184.231971][ T1007] ffff888004a99600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 184.232215][ T1007] >ffff888004a99680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 184.232471][ T1007] ^
[ 184.232635][ T1007] ffff888004a99700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 184.232988][ T1007] ffff888004a99780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 184.233240][ T1007] ==================================================================
[ 184.233704][ T1007] Disabling lock debugging due to kernel taint
[ 184.234039][ T1007] ------------[ cut here ]------------
[ 184.234234][ T1007] refcount_t: underflow; use-after-free.
[ 184.234468][ T1007] WARNING: CPU: 2 PID: 1007 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 184.234834][ T1007] Modules linked in: act_mirred cls_matchall sch_red dummy bridge stp llc sch_tbf vrf veth
[ 184.235280][ T1007] CPU: 2 UID: 0 PID: 1007 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 184.235658][ T1007] Tainted: [B]=BAD_PAGE
[ 184.235853][ T1007] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 184.236152][ T1007] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 184.236550][ T1007] 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 bb 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
[ 184.237823][ T1007] RSP: 0018:ffffc90000d271f0 EFLAGS: 00010286
[ 184.238223][ T1007] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 184.238919][ T1007] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 184.239309][ T1007] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff77fe134
[ 184.239707][ T1007] R10: 0000000000000003 R11: ffffc90000d26d80 R12: 0000000000000001
[ 184.240109][ T1007] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 184.240406][ T1007] FS: 00007f8237f3d800(0000) GS:ffff888078ef2000(0000) knlGS:0000000000000000
[ 184.240731][ T1007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 184.240984][ T1007] CR2: 00005638b54c37c8 CR3: 000000000957a001 CR4: 0000000000772ef0
[ 184.241280][ T1007] PKRU: 55555554
[ 184.241434][ T1007] Call Trace:
[ 184.241586][ T1007]
[ 184.241718][ T1007] netdev_run_todo+0x5f0/0xc60
[ 184.242023][ T1007] ? dev_ingress_queue_create+0x190/0x190
[ 184.242230][ T1007] ? generic_xdp_install+0x410/0x410
[ 184.242418][ T1007] ? unregister_netdevice_many+0x20/0x20
[ 184.242618][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.242949][ T1007] rtnl_dellink+0x350/0xa30
[ 184.243142][ T1007] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 184.243402][ T1007] ? find_held_lock+0x2b/0x80
[ 184.243711][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.243927][ T1007] ? find_held_lock+0x2b/0x80
[ 184.244138][ T1007] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 184.244339][ T1007] ? __lock_release+0x5d/0x170
[ 184.244637][ T1007] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 184.244882][ T1007] rtnetlink_rcv_msg+0x709/0xc00
[ 184.245115][ T1007] ? rtnl_port_fill+0x850/0x850
[ 184.245312][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.245628][ T1007] netlink_rcv_skb+0x121/0x340
[ 184.245849][ T1007] ? rtnl_port_fill+0x850/0x850
[ 184.246049][ T1007] ? netlink_ack+0xdd0/0xdd0
[ 184.246257][ T1007] ? netlink_deliver_tap+0x13e/0x340
[ 184.246547][ T1007] ? netlink_deliver_tap+0xc3/0x340
[ 184.246779][ T1007] netlink_unicast+0x4aa/0x780
[ 184.247016][ T1007] ? netlink_attachskb+0x810/0x810
[ 184.247208][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.247508][ T1007] netlink_sendmsg+0x714/0xbd0
[ 184.247717][ T1007] ? netlink_unicast+0x780/0x780
[ 184.247930][ T1007] ? __import_iovec+0x230/0x3b0
[ 184.248131][ T1007] ? netlink_unicast+0x780/0x780
[ 184.248443][ T1007] ____sys_sendmsg+0x3dd/0x890
[ 184.248660][ T1007] ? get_timestamp.constprop.0+0x380/0x380
[ 184.248914][ T1007] ? __copy_msghdr+0x3c0/0x3c0
[ 184.249117][ T1007] ___sys_sendmsg+0xed/0x170
[ 184.249414][ T1007] ? kasan_record_aux_stack+0x8c/0xa0
[ 184.249629][ T1007] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 184.249885][ T1007] ? copy_msghdr_from_user+0x110/0x110
[ 184.250095][ T1007] ? find_held_lock+0x2b/0x80
[ 184.250393][ T1007] ? __lock_acquire+0x449/0x7e0
[ 184.250588][ T1007] ? find_held_lock+0x2b/0x80
[ 184.250812][ T1007] ? __virt_addr_valid+0x22a/0x450
[ 184.251119][ T1007] ? __lock_release+0x5d/0x170
[ 184.251325][ T1007] __sys_sendmsg+0x10b/0x1a0
[ 184.251525][ T1007] ? __call_rcu_common.constprop.0+0x318/0x630
[ 184.251808][ T1007] ? __sys_sendmsg_sock+0x20/0x20
[ 184.252116][ T1007] ? rcu_is_watching+0x12/0xb0
[ 184.252326][ T1007] do_syscall_64+0xc1/0xfd0
[ 184.252522][ T1007] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 184.252790][ T1007] RIP: 0033:0x7f823810b1d7
[ 184.253002][ T1007] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 184.253670][ T1007] RSP: 002b:00007ffdf500e6b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 184.254082][ T1007] RAX: ffffffffffffffda RBX: 00007ffdf500ede0 RCX: 00007f823810b1d7
[ 184.254369][ T1007] RDX: 0000000000000000 RSI: 00007ffdf500e720 RDI: 0000000000000005
[ 184.254784][ T1007] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 184.255057][ T1007] R10: 00007f8238007f60 R11: 0000000000000246 R12: 0000000000000002
[ 184.255335][ T1007] R13: 00000000690dea14 R14: 0000000000499600 R15: 0000000000000000
[ 184.255781][ T1007]
[ 184.255967][ T1007] irq event stamp: 49101
[ 184.256117][ T1007] hardirqs last enabled at (49101): [] kasan_quarantine_put+0xf9/0x210
[ 184.256550][ T1007] hardirqs last disabled at (49100): [] kasan_quarantine_put+0xac/0x210
[ 184.256967][ T1007] softirqs last enabled at (48850): [] handle_softirqs+0x352/0x610
[ 184.257295][ T1007] softirqs last disabled at (48843): [] irq_exit_rcu+0xab/0x100
[ 184.257760][ T1007] ---[ end trace 0000000000000000 ]---
[ 184.263588][ T1007] ip (1007) used greatest stack depth: 24232 bytes left
[ 184.751664][ T1019] br: port 3(veth4) entered disabled state
[ 184.752374][ T1019] veth4: left allmulticast mode
[ 184.752584][ T1019] veth4: left promiscuous mode
[ 184.753036][ T1019] br: port 3(veth4) entered disabled state
[ 184.836602][ T1021] br: port 2(veth3) entered disabled state
[ 184.837236][ T1021] veth3: left allmulticast mode
[ 184.837480][ T1021] veth3: left promiscuous mode
[ 184.837803][ T1021] br: port 2(veth3) entered disabled state
[ 184.930041][ T1023] br: port 1(veth1) entered disabled state
[ 184.930804][ T1023] veth1: left allmulticast mode
[ 184.931296][ T1023] veth1: left promiscuous mode
[ 184.931726][ T1023] br: port 1(veth1) entered disabled state