[ 14.631343][ T252] ip (252) used greatest stack depth: 23936 bytes left
[ 20.483694][ T320] br0: port 1(veth1) entered blocking state
[ 20.484358][ T320] br0: port 1(veth1) entered disabled state
[ 20.485332][ T320] veth1: entered allmulticast mode
[ 20.489589][ T320] veth1: entered promiscuous mode
[ 20.605944][ T322] br0: port 2(veth2) entered blocking state
[ 20.607209][ T322] br0: port 2(veth2) entered disabled state
[ 20.607959][ T322] veth2: entered allmulticast mode
[ 20.615086][ T322] veth2: entered promiscuous mode
[ 20.754956][ T323] br0: port 3(veth4) entered blocking state
[ 20.755545][ T323] br0: port 3(veth4) entered disabled state
[ 20.755966][ T323] veth4: entered allmulticast mode
[ 20.759624][ T323] veth4: entered promiscuous mode
[ 21.598420][ T38] br0: port 1(veth1) entered blocking state
[ 21.598998][ T38] br0: port 1(veth1) entered forwarding state
[ 21.711748][ T37] br0: port 2(veth2) entered blocking state
[ 21.712288][ T37] br0: port 2(veth2) entered forwarding state
[ 21.818974][ T37] br0: port 3(veth4) entered blocking state
[ 21.819501][ T37] br0: port 3(veth4) entered forwarding state
[ 38.060630][ T389] veth3: entered promiscuous mode
[ 38.779342][ T395] GACT probability NOT on
[ 40.648343][ T402] veth3: left promiscuous mode
[ 40.745334][ T403] veth3: entered promiscuous mode
[ 43.003581][ T412] veth3: left promiscuous mode
[ 43.217218][ T420] br0: port 3(veth4) entered disabled state
[ 43.335897][ T421] br0: port 2(veth2) entered disabled state
[ 43.447432][ T422] br0: port 1(veth1) entered disabled state
[ 43.572880][ T423] veth4: left allmulticast mode
[ 43.573925][ T423] veth4: left promiscuous mode
[ 43.574456][ T423] br0: port 3(veth4) entered disabled state
[ 43.585787][ T423] veth2: left allmulticast mode
[ 43.586172][ T423] veth2: left promiscuous mode
[ 43.586662][ T423] br0: port 2(veth2) entered disabled state
[ 43.588879][ T423] veth1: left allmulticast mode
[ 43.589227][ T423] veth1: left promiscuous mode
[ 43.589708][ T423] br0: port 1(veth1) entered disabled state
[ 43.635404][ T423] ==================================================================
[ 43.635876][ T423] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 43.636343][ T423] Read of size 1 at addr ffff888004fa26ac by task ip/423
[ 43.636724][ T423]
[ 43.636881][ T423] CPU: 3 UID: 0 PID: 423 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 43.636889][ T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.636892][ T423] Call Trace:
[ 43.636896][ T423]
[ 43.636899][ T423] dump_stack_lvl+0x82/0xc0
[ 43.636907][ T423] print_address_description.constprop.0+0x2c/0x3a0
[ 43.636916][ T423] ? kobject_put+0xbb/0xd0
[ 43.636922][ T423] print_report+0xb4/0x270
[ 43.636928][ T423] ? kobject_put+0xbb/0xd0
[ 43.636933][ T423] ? kasan_addr_to_slab+0x21/0x70
[ 43.636938][ T423] ? kobject_put+0xbb/0xd0
[ 43.636943][ T423] kasan_report+0xca/0x100
[ 43.636950][ T423] ? kobject_put+0xbb/0xd0
[ 43.636959][ T423] kobject_put+0xbb/0xd0
[ 43.636964][ T423] netdev_run_todo+0x5f0/0xc60
[ 43.636973][ T423] ? dev_ingress_queue_create+0x190/0x190
[ 43.636978][ T423] ? generic_xdp_install+0x410/0x410
[ 43.636982][ T423] ? kernfs_put.part.0+0x12d/0x480
[ 43.636992][ T423] ? unregister_netdevice_many+0x20/0x20
[ 43.637000][ T423] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 43.637057][ T423] rtnl_dellink+0x350/0xa30
[ 43.637065][ T423] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 43.637100][ T423] ? find_held_lock+0x2b/0x80
[ 43.637112][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.637124][ T423] ? find_held_lock+0x2b/0x80
[ 43.637130][ T423] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 43.637133][ T423] ? __lock_release+0x5d/0x170
[ 43.637140][ T423] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 43.637146][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.637153][ T423] ? rtnl_port_fill+0x850/0x850
[ 43.637159][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.637170][ T423] netlink_rcv_skb+0x121/0x340
[ 43.637177][ T423] ? rtnl_port_fill+0x850/0x850
[ 43.637183][ T423] ? netlink_ack+0xdd0/0xdd0
[ 43.637196][ T423] ? netlink_deliver_tap+0x13e/0x340
[ 43.637201][ T423] ? netlink_deliver_tap+0xc3/0x340
[ 43.637208][ T423] netlink_unicast+0x4aa/0x780
[ 43.637216][ T423] ? netlink_attachskb+0x810/0x810
[ 43.637223][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.637232][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.637241][ T423] ? netlink_unicast+0x780/0x780
[ 43.637247][ T423] ? __import_iovec+0x230/0x3b0
[ 43.637258][ T423] ? netlink_unicast+0x780/0x780
[ 43.637265][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.637273][ T423] ? get_timestamp.constprop.0+0x380/0x380
[ 43.637278][ T423] ? __copy_msghdr+0x3c0/0x3c0
[ 43.637291][ T423] ___sys_sendmsg+0xed/0x170
[ 43.637296][ T423] ? kasan_record_aux_stack+0x8c/0xa0
[ 43.637300][ T423] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 43.637313][ T423] ? copy_msghdr_from_user+0x110/0x110
[ 43.637321][ T423] ? find_held_lock+0x2b/0x80
[ 43.637329][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.637339][ T423] ? find_held_lock+0x2b/0x80
[ 43.637345][ T423] ? __virt_addr_valid+0x22a/0x450
[ 43.637358][ T423] ? __lock_release+0x5d/0x170
[ 43.637370][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.637375][ T423] ? __call_rcu_common.constprop.0+0x318/0x630
[ 43.637381][ T423] ? __sys_sendmsg_sock+0x20/0x20
[ 43.637396][ T423] ? rcu_is_watching+0x12/0xb0
[ 43.637403][ T423] do_syscall_64+0xc1/0xfd0
[ 43.637411][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.637416][ T423] RIP: 0033:0x7fab5c7b21d7
[ 43.637423][ T423] 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
[ 43.637427][ T423] RSP: 002b:00007ffe513023d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 43.637433][ T423] RAX: ffffffffffffffda RBX: 00007ffe51302b00 RCX: 00007fab5c7b21d7
[ 43.637437][ T423] RDX: 0000000000000000 RSI: 00007ffe51302440 RDI: 0000000000000005
[ 43.637440][ T423] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 43.637443][ T423] R10: 00007fab5c6aef60 R11: 0000000000000246 R12: 0000000000000002
[ 43.637446][ T423] R13: 00000000690df9bf R14: 0000000000499600 R15: 0000000000000000
[ 43.637459][ T423]
[ 43.637460][ T423]
[ 43.658838][ T423] Allocated by task 318:
[ 43.659051][ T423] kasan_save_stack+0x24/0x40
[ 43.659321][ T423] kasan_save_track+0x14/0x30
[ 43.659608][ T423] __kasan_kmalloc+0x7b/0x90
[ 43.659904][ T423] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 43.660194][ T423] alloc_netdev_mqs+0x7d/0x1370
[ 43.660492][ T423] rtnl_create_link+0xa9e/0xe20
[ 43.660882][ T423] rtnl_newlink_create+0x203/0x770
[ 43.661110][ T423] __rtnl_newlink+0x231/0xa30
[ 43.661292][ T423] rtnl_newlink+0x693/0xa60
[ 43.661472][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.661847][ T423] netlink_rcv_skb+0x121/0x340
[ 43.662098][ T423] netlink_unicast+0x4aa/0x780
[ 43.662315][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.662609][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.663084][ T423] ___sys_sendmsg+0xed/0x170
[ 43.663380][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.663631][ T423] do_syscall_64+0xc1/0xfd0
[ 43.663896][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.664436][ T423]
[ 43.664602][ T423] Freed by task 423:
[ 43.664818][ T423] kasan_save_stack+0x24/0x40
[ 43.665122][ T423] kasan_save_track+0x14/0x30
[ 43.665422][ T423] __kasan_save_free_info+0x3b/0x60
[ 43.665879][ T423] __kasan_slab_free+0x3f/0x60
[ 43.666174][ T423] kfree+0x21d/0x540
[ 43.666395][ T423] device_release+0x9c/0x210
[ 43.666700][ T423] kobject_cleanup+0xfe/0x360
[ 43.667190][ T423] netdev_run_todo+0x81f/0xc60
[ 43.667494][ T423] rtnl_dellink+0x350/0xa30
[ 43.667801][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.668089][ T423] netlink_rcv_skb+0x121/0x340
[ 43.668476][ T423] netlink_unicast+0x4aa/0x780
[ 43.668771][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.669065][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.669359][ T423] ___sys_sendmsg+0xed/0x170
[ 43.669835][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.670045][ T423] do_syscall_64+0xc1/0xfd0
[ 43.670228][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.670516][ T423]
[ 43.670830][ T423] Last potentially related work creation:
[ 43.671122][ T423] kasan_save_stack+0x24/0x40
[ 43.671429][ T423] kasan_record_aux_stack+0x8c/0xa0
[ 43.671655][ T423] insert_work+0x34/0x230
[ 43.672066][ T423] __queue_work+0x5fd/0xab0
[ 43.672382][ T423] queue_work_on+0x84/0x90
[ 43.672680][ T423] br_multicast_dev_del+0xeb/0x240 [bridge]
[ 43.673129][ T423] br_dev_uninit+0x19/0x40 [bridge]
[ 43.673492][ T423] unregister_netdevice_many_notify+0xa80/0x1b30
[ 43.673870][ T423] rtnl_dellink+0x344/0xa30
[ 43.674176][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.674482][ T423] netlink_rcv_skb+0x121/0x340
[ 43.674782][ T423] netlink_unicast+0x4aa/0x780
[ 43.675065][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.675361][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.675650][ T423] ___sys_sendmsg+0xed/0x170
[ 43.675867][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.676100][ T423] do_syscall_64+0xc1/0xfd0
[ 43.676404][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.676658][ T423]
[ 43.676967][ T423] Second to last potentially related work creation:
[ 43.677305][ T423] kasan_save_stack+0x24/0x40
[ 43.677593][ T423] kasan_record_aux_stack+0x8c/0xa0
[ 43.677883][ T423] insert_work+0x34/0x230
[ 43.678103][ T423] __queue_work+0x5fd/0xab0
[ 43.678384][ T423] queue_work_on+0x84/0x90
[ 43.678668][ T423] fdb_delete+0x7bf/0xd50 [bridge]
[ 43.679029][ T423] br_fdb_delete_by_port+0x1ce/0x260 [bridge]
[ 43.679459][ T423] del_nbp+0x374/0xbe0 [bridge]
[ 43.680026][ T423] br_dev_delete+0x91/0x1a0 [bridge]
[ 43.680389][ T423] rtnl_dellink+0x334/0xa30
[ 43.680675][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.680955][ T423] netlink_rcv_skb+0x121/0x340
[ 43.681265][ T423] netlink_unicast+0x4aa/0x780
[ 43.681528][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.681824][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.682315][ T423] ___sys_sendmsg+0xed/0x170
[ 43.682631][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.682936][ T423] do_syscall_64+0xc1/0xfd0
[ 43.683212][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.683594][ T423]
[ 43.683749][ T423] The buggy address belongs to the object at ffff888004fa2000
[ 43.683749][ T423] which belongs to the cache kmalloc-8k of size 8192
[ 43.684412][ T423] The buggy address is located 1708 bytes inside of
[ 43.684412][ T423] freed 8192-byte region [ffff888004fa2000, ffff888004fa4000)
[ 43.685092][ T423]
[ 43.685209][ T423] The buggy address belongs to the physical page:
[ 43.685571][ T423] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4fa0
[ 43.685960][ T423] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 43.686620][ T423] flags: 0x80000000000040(head|node=0|zone=1)
[ 43.687407][ T423] page_type: f5(slab)
[ 43.687558][ T423] raw: 0080000000000040 ffff8880010438c0 ffffea0000159810 ffff888001041228
[ 43.687906][ T423] raw: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 43.688499][ T423] head: 0080000000000040 ffff8880010438c0 ffffea0000159810 ffff888001041228
[ 43.689183][ T423] head: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 43.689643][ T423] head: 0080000000000003 ffffea000013e801 00000000ffffffff 00000000ffffffff
[ 43.690287][ T423] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 43.690618][ T423] page dumped because: kasan: bad access detected
[ 43.690930][ T423]
[ 43.691055][ T423] Memory state around the buggy address:
[ 43.691247][ T423] ffff888004fa2580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.691750][ T423] ffff888004fa2600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.692024][ T423] >ffff888004fa2680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.692409][ T423] ^
[ 43.692733][ T423] ffff888004fa2700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.693129][ T423] ffff888004fa2780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 43.693515][ T423] ==================================================================
[ 43.694298][ T423] Disabling lock debugging due to kernel taint
[ 43.694527][ T423] ------------[ cut here ]------------
[ 43.694777][ T423] refcount_t: underflow; use-after-free.
[ 43.695085][ T423] WARNING: CPU: 3 PID: 423 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 43.695432][ T423] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
[ 43.695955][ T423] CPU: 3 UID: 0 PID: 423 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 43.696422][ T423] Tainted: [B]=BAD_PAGE
[ 43.696574][ T423] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 43.696875][ T423] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 43.697237][ T423] 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 25 93 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
[ 43.698033][ T423] RSP: 0018:ffffc900007471f0 EFLAGS: 00010286
[ 43.698299][ T423] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 43.698590][ T423] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 43.698982][ T423] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff277e134
[ 43.699280][ T423] R10: 0000000000000003 R11: ffffc90000746d80 R12: 0000000000000001
[ 43.699576][ T423] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 43.699983][ T423] FS: 00007fab5c5e4800(0000) GS:ffff88809b772000(0000) knlGS:0000000000000000
[ 43.700320][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 43.700569][ T423] CR2: 00000000004e5ae8 CR3: 0000000005145002 CR4: 0000000000772ef0
[ 43.701073][ T423] PKRU: 55555554
[ 43.701224][ T423] Call Trace:
[ 43.701368][ T423]
[ 43.701466][ T423] netdev_run_todo+0x5f0/0xc60
[ 43.701777][ T423] ? dev_ingress_queue_create+0x190/0x190
[ 43.701970][ T423] ? generic_xdp_install+0x410/0x410
[ 43.702157][ T423] ? kernfs_put.part.0+0x12d/0x480
[ 43.702349][ T423] ? unregister_netdevice_many+0x20/0x20
[ 43.702538][ T423] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 43.702759][ T423] rtnl_dellink+0x350/0xa30
[ 43.702947][ T423] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 43.703269][ T423] ? find_held_lock+0x2b/0x80
[ 43.703469][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.703681][ T423] ? find_held_lock+0x2b/0x80
[ 43.703994][ T423] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 43.704256][ T423] ? __lock_release+0x5d/0x170
[ 43.704448][ T423] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 43.704709][ T423] rtnetlink_rcv_msg+0x709/0xc00
[ 43.704901][ T423] ? rtnl_port_fill+0x850/0x850
[ 43.705085][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.705442][ T423] netlink_rcv_skb+0x121/0x340
[ 43.705661][ T423] ? rtnl_port_fill+0x850/0x850
[ 43.705856][ T423] ? netlink_ack+0xdd0/0xdd0
[ 43.706048][ T423] ? netlink_deliver_tap+0x13e/0x340
[ 43.706304][ T423] ? netlink_deliver_tap+0xc3/0x340
[ 43.706496][ T423] netlink_unicast+0x4aa/0x780
[ 43.706701][ T423] ? netlink_attachskb+0x810/0x810
[ 43.706890][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.707078][ T423] netlink_sendmsg+0x714/0xbd0
[ 43.707440][ T423] ? netlink_unicast+0x780/0x780
[ 43.707634][ T423] ? __import_iovec+0x230/0x3b0
[ 43.707850][ T423] ? netlink_unicast+0x780/0x780
[ 43.708038][ T423] ____sys_sendmsg+0x3dd/0x890
[ 43.708291][ T423] ? get_timestamp.constprop.0+0x380/0x380
[ 43.708533][ T423] ? __copy_msghdr+0x3c0/0x3c0
[ 43.708745][ T423] ___sys_sendmsg+0xed/0x170
[ 43.708934][ T423] ? kasan_record_aux_stack+0x8c/0xa0
[ 43.709200][ T423] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 43.709428][ T423] ? copy_msghdr_from_user+0x110/0x110
[ 43.709625][ T423] ? find_held_lock+0x2b/0x80
[ 43.709817][ T423] ? __lock_acquire+0x449/0x7e0
[ 43.710006][ T423] ? find_held_lock+0x2b/0x80
[ 43.710260][ T423] ? __virt_addr_valid+0x22a/0x450
[ 43.710451][ T423] ? __lock_release+0x5d/0x170
[ 43.710643][ T423] __sys_sendmsg+0x10b/0x1a0
[ 43.710835][ T423] ? __call_rcu_common.constprop.0+0x318/0x630
[ 43.711061][ T423] ? __sys_sendmsg_sock+0x20/0x20
[ 43.711316][ T423] ? rcu_is_watching+0x12/0xb0
[ 43.711506][ T423] do_syscall_64+0xc1/0xfd0
[ 43.711711][ T423] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 43.711937][ T423] RIP: 0033:0x7fab5c7b21d7
[ 43.712205][ T423] 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
[ 43.713066][ T423] RSP: 002b:00007ffe513023d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 43.713530][ T423] RAX: ffffffffffffffda RBX: 00007ffe51302b00 RCX: 00007fab5c7b21d7
[ 43.713824][ T423] RDX: 0000000000000000 RSI: 00007ffe51302440 RDI: 0000000000000005
[ 43.714089][ T423] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 43.714433][ T423] R10: 00007fab5c6aef60 R11: 0000000000000246 R12: 0000000000000002
[ 43.714717][ T423] R13: 00000000690df9bf R14: 0000000000499600 R15: 0000000000000000
[ 43.714990][ T423]
[ 43.715193][ T423] irq event stamp: 50283
[ 43.715335][ T423] hardirqs last enabled at (50283): [] finish_task_switch.isra.0+0x245/0x960
[ 43.715750][ T423] hardirqs last disabled at (50282): [] __schedule+0x94a/0x1b10
[ 43.716066][ T423] softirqs last enabled at (48840): [] br_multicast_dev_del+0x15e/0x240 [bridge]
[ 43.716630][ T423] softirqs last disabled at (48828): [] br_multicast_dev_del+0x7e/0x240 [bridge]
[ 43.717022][ T423] ---[ end trace 0000000000000000 ]---