[ 16.307878][ T250] ip (250) used greatest stack depth: 24448 bytes left
[ 20.263832][ T298] br0: port 1(veth1) entered blocking state
[ 20.264728][ T298] br0: port 1(veth1) entered disabled state
[ 20.265374][ T298] veth1: entered allmulticast mode
[ 20.269315][ T298] veth1: entered promiscuous mode
[ 20.390449][ T300] br0: port 2(veth2) entered blocking state
[ 20.390918][ T300] br0: port 2(veth2) entered disabled state
[ 20.391412][ T300] veth2: entered allmulticast mode
[ 20.395071][ T300] veth2: entered promiscuous mode
[ 20.630818][ T37] br0: port 1(veth1) entered blocking state
[ 20.631409][ T37] br0: port 1(veth1) entered forwarding state
[ 20.738943][ T38] br0: port 2(veth2) entered blocking state
[ 20.739429][ T38] br0: port 2(veth2) entered forwarding state
[ 35.528154][ T353] GACT probability NOT on
[ 234.082953][ T1594] br0: port 1(veth1) entered disabled state
[ 239.467867][ T1599] br0: port 1(veth1) entered forwarding state
[ 245.083594][ T1607] br0: vlan filtering disabled, automatically disabling multicast vlan snooping
[ 256.529034][ T1631] br0: vlan filtering disabled, automatically disabling multicast vlan snooping
[ 256.776292][ T1638] br0: port 2(veth2) entered disabled state
[ 256.897581][ T1639] br0: port 1(veth1) entered disabled state
[ 257.032215][ T1640] veth2: left allmulticast mode
[ 257.032788][ T1640] veth2: left promiscuous mode
[ 257.033690][ T1640] br0: port 2(veth2) entered disabled state
[ 257.037683][ T1640] veth1: left allmulticast mode
[ 257.038265][ T1640] veth1: left promiscuous mode
[ 257.040638][ T1640] br0: port 1(veth1) entered disabled state
[ 257.115879][ T1640] ==================================================================
[ 257.116312][ T1640] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 257.116679][ T1640] Read of size 1 at addr ffff88800ab4a6ac by task ip/1640
[ 257.116979][ T1640]
[ 257.117114][ T1640] CPU: 0 UID: 0 PID: 1640 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 257.117122][ T1640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 257.117125][ T1640] Call Trace:
[ 257.117130][ T1640]
[ 257.117133][ T1640] dump_stack_lvl+0x82/0xc0
[ 257.117141][ T1640] print_address_description.constprop.0+0x2c/0x3a0
[ 257.117151][ T1640] ? kobject_put+0xbb/0xd0
[ 257.117156][ T1640] print_report+0xb4/0x270
[ 257.117161][ T1640] ? kobject_put+0xbb/0xd0
[ 257.117165][ T1640] ? kasan_addr_to_slab+0x21/0x70
[ 257.117170][ T1640] ? kobject_put+0xbb/0xd0
[ 257.117174][ T1640] kasan_report+0xca/0x100
[ 257.117179][ T1640] ? kobject_put+0xbb/0xd0
[ 257.117188][ T1640] kobject_put+0xbb/0xd0
[ 257.117193][ T1640] netdev_run_todo+0x5f0/0xc60
[ 257.117202][ T1640] ? dev_ingress_queue_create+0x190/0x190
[ 257.117207][ T1640] ? generic_xdp_install+0x410/0x410
[ 257.117211][ T1640] ? kernfs_put.part.0+0x12d/0x480
[ 257.117222][ T1640] ? unregister_netdevice_many+0x20/0x20
[ 257.117230][ T1640] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 257.117288][ T1640] rtnl_dellink+0x350/0xa30
[ 257.117298][ T1640] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 257.117330][ T1640] ? find_held_lock+0x2b/0x80
[ 257.117344][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.117353][ T1640] ? find_held_lock+0x2b/0x80
[ 257.117358][ T1640] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 257.117362][ T1640] ? __lock_release+0x5d/0x170
[ 257.117369][ T1640] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 257.117373][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.117400][ T1640] ? rtnl_port_fill+0x850/0x850
[ 257.117405][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.117416][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.117422][ T1640] ? rtnl_port_fill+0x850/0x850
[ 257.117427][ T1640] ? netlink_ack+0xdd0/0xdd0
[ 257.117438][ T1640] ? netlink_deliver_tap+0x13e/0x340
[ 257.117442][ T1640] ? netlink_deliver_tap+0xc3/0x340
[ 257.117449][ T1640] netlink_unicast+0x4aa/0x780
[ 257.117455][ T1640] ? netlink_attachskb+0x810/0x810
[ 257.117461][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.117470][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.117477][ T1640] ? netlink_unicast+0x780/0x780
[ 257.117482][ T1640] ? __import_iovec+0x230/0x3b0
[ 257.117495][ T1640] ? netlink_unicast+0x780/0x780
[ 257.117501][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.117509][ T1640] ? get_timestamp.constprop.0+0x380/0x380
[ 257.117514][ T1640] ? __copy_msghdr+0x3c0/0x3c0
[ 257.117528][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.117533][ T1640] ? kasan_record_aux_stack+0x8c/0xa0
[ 257.117537][ T1640] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 257.117548][ T1640] ? copy_msghdr_from_user+0x110/0x110
[ 257.117556][ T1640] ? find_held_lock+0x2b/0x80
[ 257.117563][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.117572][ T1640] ? find_held_lock+0x2b/0x80
[ 257.117577][ T1640] ? __virt_addr_valid+0x22a/0x450
[ 257.117584][ T1640] ? __lock_release+0x5d/0x170
[ 257.117594][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.117598][ T1640] ? __call_rcu_common.constprop.0+0x318/0x630
[ 257.117604][ T1640] ? __sys_sendmsg_sock+0x20/0x20
[ 257.117616][ T1640] ? rcu_is_watching+0x12/0xb0
[ 257.117622][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.117630][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.117635][ T1640] RIP: 0033:0x7fd21b9121d7
[ 257.117644][ T1640] 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
[ 257.117648][ T1640] RSP: 002b:00007ffe806504e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 257.117656][ T1640] RAX: ffffffffffffffda RBX: 00007ffe80650c10 RCX: 00007fd21b9121d7
[ 257.117660][ T1640] RDX: 0000000000000000 RSI: 00007ffe80650550 RDI: 0000000000000005
[ 257.117662][ T1640] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 257.117665][ T1640] R10: 00007fd21b80ef60 R11: 0000000000000246 R12: 0000000000000002
[ 257.117668][ T1640] R13: 00000000690df336 R14: 0000000000499600 R15: 0000000000000000
[ 257.117678][ T1640]
[ 257.117681][ T1640]
[ 257.134482][ T1640] Allocated by task 296:
[ 257.134624][ T1640] kasan_save_stack+0x24/0x40
[ 257.134810][ T1640] kasan_save_track+0x14/0x30
[ 257.135078][ T1640] __kasan_kmalloc+0x7b/0x90
[ 257.135240][ T1640] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 257.135416][ T1640] alloc_netdev_mqs+0x7d/0x1370
[ 257.135590][ T1640] rtnl_create_link+0xa9e/0xe20
[ 257.135858][ T1640] rtnl_newlink_create+0x203/0x770
[ 257.136019][ T1640] __rtnl_newlink+0x231/0xa30
[ 257.136187][ T1640] rtnl_newlink+0x693/0xa60
[ 257.136384][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.136571][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.136741][ T1640] netlink_unicast+0x4aa/0x780
[ 257.136912][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.137083][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.137372][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.137570][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.137736][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.137910][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.138222][ T1640]
[ 257.138309][ T1640] Freed by task 1640:
[ 257.138456][ T1640] kasan_save_stack+0x24/0x40
[ 257.138628][ T1640] kasan_save_track+0x14/0x30
[ 257.138793][ T1640] __kasan_save_free_info+0x3b/0x60
[ 257.138960][ T1640] __kasan_slab_free+0x3f/0x60
[ 257.139129][ T1640] kfree+0x21d/0x540
[ 257.139267][ T1640] device_release+0x9c/0x210
[ 257.139642][ T1640] kobject_cleanup+0xfe/0x360
[ 257.139819][ T1640] netdev_run_todo+0x81f/0xc60
[ 257.139983][ T1640] rtnl_dellink+0x350/0xa30
[ 257.140149][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.140320][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.140484][ T1640] netlink_unicast+0x4aa/0x780
[ 257.140657][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.140833][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.141095][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.141287][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.141553][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.141717][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.142013][ T1640]
[ 257.142135][ T1640] Last potentially related work creation:
[ 257.142366][ T1640] kasan_save_stack+0x24/0x40
[ 257.142549][ T1640] kasan_record_aux_stack+0x8c/0xa0
[ 257.142719][ T1640] insert_work+0x34/0x230
[ 257.142955][ T1640] __queue_work+0x5fd/0xab0
[ 257.143235][ T1640] queue_work_on+0x84/0x90
[ 257.143431][ T1640] br_multicast_del_mdb_entry+0x95d/0xfe0 [bridge]
[ 257.143682][ T1640] br_multicast_dev_del+0xeb/0x240 [bridge]
[ 257.144023][ T1640] br_dev_uninit+0x19/0x40 [bridge]
[ 257.144253][ T1640] unregister_netdevice_many_notify+0xa80/0x1b30
[ 257.144475][ T1640] rtnl_dellink+0x344/0xa30
[ 257.144645][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.144849][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.145014][ T1640] netlink_unicast+0x4aa/0x780
[ 257.145198][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.145482][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.145652][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.145823][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.146006][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.146280][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.146497][ T1640]
[ 257.146582][ T1640] Second to last potentially related work creation:
[ 257.146792][ T1640] kasan_save_stack+0x24/0x40
[ 257.147070][ T1640] kasan_record_aux_stack+0x8c/0xa0
[ 257.147236][ T1640] insert_work+0x34/0x230
[ 257.147374][ T1640] __queue_work+0x5fd/0xab0
[ 257.147573][ T1640] queue_work_on+0x84/0x90
[ 257.147877][ T1640] br_multicast_dev_del+0xeb/0x240 [bridge]
[ 257.148110][ T1640] br_dev_uninit+0x19/0x40 [bridge]
[ 257.148315][ T1640] unregister_netdevice_many_notify+0xa80/0x1b30
[ 257.148527][ T1640] rtnl_dellink+0x344/0xa30
[ 257.148803][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.148972][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.149149][ T1640] netlink_unicast+0x4aa/0x780
[ 257.149344][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.149613][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.149786][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.149949][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.150118][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.150391][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.150598][ T1640]
[ 257.150690][ T1640] The buggy address belongs to the object at ffff88800ab4a000
[ 257.150690][ T1640] which belongs to the cache kmalloc-8k of size 8192
[ 257.151191][ T1640] The buggy address is located 1708 bytes inside of
[ 257.151191][ T1640] freed 8192-byte region [ffff88800ab4a000, ffff88800ab4c000)
[ 257.151589][ T1640]
[ 257.151677][ T1640] The buggy address belongs to the physical page:
[ 257.151989][ T1640] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xab48
[ 257.152296][ T1640] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 257.152655][ T1640] flags: 0x80000000000040(head|node=0|zone=1)
[ 257.152867][ T1640] page_type: f5(slab)
[ 257.152998][ T1640] raw: 0080000000000040 ffff8880010438c0 ffffea0000289010 ffff888001041228
[ 257.153403][ T1640] raw: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 257.153705][ T1640] head: 0080000000000040 ffff8880010438c0 ffffea0000289010 ffff888001041228
[ 257.154003][ T1640] head: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 257.154397][ T1640] head: 0080000000000003 ffffea00002ad201 00000000ffffffff 00000000ffffffff
[ 257.154687][ T1640] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 257.155088][ T1640] page dumped because: kasan: bad access detected
[ 257.155300][ T1640]
[ 257.155389][ T1640] Memory state around the buggy address:
[ 257.155561][ T1640] ffff88800ab4a580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 257.155900][ T1640] ffff88800ab4a600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 257.156141][ T1640] >ffff88800ab4a680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 257.156470][ T1640] ^
[ 257.156631][ T1640] ffff88800ab4a700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 257.156869][ T1640] ffff88800ab4a780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 257.157200][ T1640] ==================================================================
[ 257.157860][ T1640] Disabling lock debugging due to kernel taint
[ 257.158074][ T1640] ------------[ cut here ]------------
[ 257.158245][ T1640] refcount_t: underflow; use-after-free.
[ 257.158456][ T1640] WARNING: CPU: 0 PID: 1640 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 257.158755][ T1640] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
[ 257.159071][ T1640] CPU: 0 UID: 0 PID: 1640 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 257.159419][ T1640] Tainted: [B]=BAD_PAGE
[ 257.159555][ T1640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 257.159766][ T1640] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 257.159976][ T1640] 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 45 87 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
[ 257.160586][ T1640] RSP: 0018:ffffc90003d871f0 EFLAGS: 00010286
[ 257.160805][ T1640] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 257.161049][ T1640] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 257.161308][ T1640] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff0fbe134
[ 257.161554][ T1640] R10: 0000000000000003 R11: ffffc90003d86d80 R12: 0000000000000001
[ 257.161905][ T1640] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 257.162165][ T1640] FS: 00007fd21b744800(0000) GS:ffff8880acff2000(0000) knlGS:0000000000000000
[ 257.162483][ T1640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 257.162708][ T1640] CR2: 0000556e600dec38 CR3: 0000000008aa1004 CR4: 0000000000772ef0
[ 257.162973][ T1640] PKRU: 55555554
[ 257.163109][ T1640] Call Trace:
[ 257.163352][ T1640]
[ 257.163535][ T1640] netdev_run_todo+0x5f0/0xc60
[ 257.163707][ T1640] ? dev_ingress_queue_create+0x190/0x190
[ 257.163878][ T1640] ? generic_xdp_install+0x410/0x410
[ 257.164142][ T1640] ? kernfs_put.part.0+0x12d/0x480
[ 257.164420][ T1640] ? unregister_netdevice_many+0x20/0x20
[ 257.164584][ T1640] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 257.164788][ T1640] rtnl_dellink+0x350/0xa30
[ 257.164951][ T1640] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 257.165287][ T1640] ? find_held_lock+0x2b/0x80
[ 257.165453][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.165616][ T1640] ? find_held_lock+0x2b/0x80
[ 257.165778][ T1640] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 257.166135][ T1640] ? __lock_release+0x5d/0x170
[ 257.166299][ T1640] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 257.166499][ T1640] rtnetlink_rcv_msg+0x709/0xc00
[ 257.166665][ T1640] ? rtnl_port_fill+0x850/0x850
[ 257.166920][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.167086][ T1640] netlink_rcv_skb+0x121/0x340
[ 257.167261][ T1640] ? rtnl_port_fill+0x850/0x850
[ 257.167438][ T1640] ? netlink_ack+0xdd0/0xdd0
[ 257.167693][ T1640] ? netlink_deliver_tap+0x13e/0x340
[ 257.167852][ T1640] ? netlink_deliver_tap+0xc3/0x340
[ 257.168013][ T1640] netlink_unicast+0x4aa/0x780
[ 257.168296][ T1640] ? netlink_attachskb+0x810/0x810
[ 257.168465][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.168628][ T1640] netlink_sendmsg+0x714/0xbd0
[ 257.168788][ T1640] ? netlink_unicast+0x780/0x780
[ 257.168949][ T1640] ? __import_iovec+0x230/0x3b0
[ 257.169222][ T1640] ? netlink_unicast+0x780/0x780
[ 257.169382][ T1640] ____sys_sendmsg+0x3dd/0x890
[ 257.169550][ T1640] ? get_timestamp.constprop.0+0x380/0x380
[ 257.169850][ T1640] ? __copy_msghdr+0x3c0/0x3c0
[ 257.170015][ T1640] ___sys_sendmsg+0xed/0x170
[ 257.170196][ T1640] ? kasan_record_aux_stack+0x8c/0xa0
[ 257.170363][ T1640] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 257.170665][ T1640] ? copy_msghdr_from_user+0x110/0x110
[ 257.170829][ T1640] ? find_held_lock+0x2b/0x80
[ 257.170993][ T1640] ? __lock_acquire+0x449/0x7e0
[ 257.171173][ T1640] ? find_held_lock+0x2b/0x80
[ 257.171434][ T1640] ? __virt_addr_valid+0x22a/0x450
[ 257.171599][ T1640] ? __lock_release+0x5d/0x170
[ 257.171763][ T1640] __sys_sendmsg+0x10b/0x1a0
[ 257.171924][ T1640] ? __call_rcu_common.constprop.0+0x318/0x630
[ 257.172230][ T1640] ? __sys_sendmsg_sock+0x20/0x20
[ 257.172398][ T1640] ? rcu_is_watching+0x12/0xb0
[ 257.172559][ T1640] do_syscall_64+0xc1/0xfd0
[ 257.172725][ T1640] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 257.173026][ T1640] RIP: 0033:0x7fd21b9121d7
[ 257.173212][ T1640] 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
[ 257.173894][ T1640] RSP: 002b:00007ffe806504e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 257.174166][ T1640] RAX: ffffffffffffffda RBX: 00007ffe80650c10 RCX: 00007fd21b9121d7
[ 257.174510][ T1640] RDX: 0000000000000000 RSI: 00007ffe80650550 RDI: 0000000000000005
[ 257.174757][ T1640] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 257.175002][ T1640] R10: 00007fd21b80ef60 R11: 0000000000000246 R12: 0000000000000002
[ 257.175353][ T1640] R13: 00000000690df336 R14: 0000000000499600 R15: 0000000000000000
[ 257.175600][ T1640]
[ 257.175727][ T1640] irq event stamp: 54959
[ 257.175850][ T1640] hardirqs last enabled at (54959): [] irqentry_exit+0x3b/0x80
[ 257.176256][ T1640] hardirqs last disabled at (54958): [] handle_softirqs+0x47f/0x610
[ 257.176548][ T1640] softirqs last enabled at (54280): [] handle_softirqs+0x352/0x610
[ 257.176918][ T1640] softirqs last disabled at (54269): [] irq_exit_rcu+0xab/0x100
[ 257.177211][ T1640] ---[ end trace 0000000000000000 ]---
[ 257.183060][ T1640] ip (1640) used greatest stack depth: 24232 bytes left