[ 26.322300][ T316] br0: port 1(veth1) entered blocking state
[ 26.323258][ T316] br0: port 1(veth1) entered disabled state
[ 26.324219][ T316] veth1: entered allmulticast mode
[ 26.330472][ T316] veth1: entered promiscuous mode
[ 26.520468][ T318] br0: port 2(veth2) entered blocking state
[ 26.521239][ T318] br0: port 2(veth2) entered disabled state
[ 26.521990][ T318] veth2: entered allmulticast mode
[ 26.528704][ T318] veth2: entered promiscuous mode
[ 26.701853][ T319] br0: port 3(veth4) entered blocking state
[ 26.702682][ T319] br0: port 3(veth4) entered disabled state
[ 26.703129][ T319] veth4: entered allmulticast mode
[ 26.707462][ T319] veth4: entered promiscuous mode
[ 27.880125][ T46] br0: port 1(veth1) entered blocking state
[ 27.880986][ T46] br0: port 1(veth1) entered forwarding state
[ 28.011730][ T103] br0: port 2(veth2) entered blocking state
[ 28.012197][ T103] br0: port 2(veth2) entered forwarding state
[ 28.152796][ T36] br0: port 3(veth4) entered blocking state
[ 28.153584][ T36] br0: port 3(veth4) entered forwarding state
[ 45.141397][ T386] veth3: entered promiscuous mode
[ 45.960758][ T392] GACT probability NOT on
[ 48.100304][ T399] veth3: left promiscuous mode
[ 48.283929][ T400] veth3: entered promiscuous mode
[ 50.835386][ T409] veth3: left promiscuous mode
[ 51.092269][ T417] br0: port 3(veth4) entered disabled state
[ 51.230255][ T418] br0: port 2(veth2) entered disabled state
[ 51.396700][ T419] br0: port 1(veth1) entered disabled state
[ 51.545989][ T420] veth4: left allmulticast mode
[ 51.546372][ T420] veth4: left promiscuous mode
[ 51.546924][ T420] br0: port 3(veth4) entered disabled state
[ 51.550063][ T420] veth2: left allmulticast mode
[ 51.550415][ T420] veth2: left promiscuous mode
[ 51.550913][ T420] br0: port 2(veth2) entered disabled state
[ 51.553183][ T420] veth1: left allmulticast mode
[ 51.553501][ T420] veth1: left promiscuous mode
[ 51.554386][ T420] br0: port 1(veth1) entered disabled state
[ 51.610233][ T420] ==================================================================
[ 51.610700][ T420] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 51.611055][ T420] Read of size 1 at addr ffff88801020a6ac by task ip/420
[ 51.611317][ T420]
[ 51.611463][ T420] CPU: 0 UID: 0 PID: 420 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 51.611468][ T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.611470][ T420] Call Trace:
[ 51.611476][ T420]
[ 51.611478][ T420] dump_stack_lvl+0x82/0xc0
[ 51.611485][ T420] print_address_description.constprop.0+0x2c/0x3a0
[ 51.611495][ T420] ? kobject_put+0xbb/0xd0
[ 51.611499][ T420] print_report+0xb4/0x270
[ 51.611502][ T420] ? kobject_put+0xbb/0xd0
[ 51.611505][ T420] ? kasan_addr_to_slab+0x21/0x70
[ 51.611508][ T420] ? kobject_put+0xbb/0xd0
[ 51.611511][ T420] kasan_report+0xca/0x100
[ 51.611515][ T420] ? kobject_put+0xbb/0xd0
[ 51.611520][ T420] kobject_put+0xbb/0xd0
[ 51.611524][ T420] netdev_run_todo+0x5f0/0xc60
[ 51.611530][ T420] ? dev_ingress_queue_create+0x190/0x190
[ 51.611533][ T420] ? generic_xdp_install+0x410/0x410
[ 51.611535][ T420] ? kernfs_put.part.0+0x12d/0x480
[ 51.611543][ T420] ? unregister_netdevice_many+0x20/0x20
[ 51.611549][ T420] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 51.611581][ T420] rtnl_dellink+0x350/0xa30
[ 51.611586][ T420] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 51.611606][ T420] ? find_held_lock+0x2b/0x80
[ 51.611614][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.611620][ T420] ? find_held_lock+0x2b/0x80
[ 51.611623][ T420] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 51.611626][ T420] ? __lock_release+0x5d/0x170
[ 51.611634][ T420] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 51.611639][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.611645][ T420] ? rtnl_port_fill+0x850/0x850
[ 51.611649][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.611659][ T420] netlink_rcv_skb+0x121/0x340
[ 51.611666][ T420] ? rtnl_port_fill+0x850/0x850
[ 51.611670][ T420] ? netlink_ack+0xdd0/0xdd0
[ 51.611677][ T420] ? netlink_deliver_tap+0x13e/0x340
[ 51.611679][ T420] ? netlink_deliver_tap+0xc3/0x340
[ 51.611683][ T420] netlink_unicast+0x4aa/0x780
[ 51.611688][ T420] ? netlink_attachskb+0x810/0x810
[ 51.611692][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.611697][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.611702][ T420] ? netlink_unicast+0x780/0x780
[ 51.611705][ T420] ? __import_iovec+0x230/0x3b0
[ 51.611712][ T420] ? netlink_unicast+0x780/0x780
[ 51.611716][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.611726][ T420] ? get_timestamp.constprop.0+0x380/0x380
[ 51.611729][ T420] ? __copy_msghdr+0x3c0/0x3c0
[ 51.611737][ T420] ___sys_sendmsg+0xed/0x170
[ 51.611740][ T420] ? kasan_record_aux_stack+0x8c/0xa0
[ 51.611743][ T420] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 51.611752][ T420] ? copy_msghdr_from_user+0x110/0x110
[ 51.611757][ T420] ? find_held_lock+0x2b/0x80
[ 51.611761][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.611766][ T420] ? find_held_lock+0x2b/0x80
[ 51.611770][ T420] ? __virt_addr_valid+0x22a/0x450
[ 51.611778][ T420] ? __lock_release+0x5d/0x170
[ 51.611784][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.611788][ T420] ? __call_rcu_common.constprop.0+0x318/0x630
[ 51.611791][ T420] ? __sys_sendmsg_sock+0x20/0x20
[ 51.611799][ T420] ? rcu_is_watching+0x12/0xb0
[ 51.611803][ T420] do_syscall_64+0xc1/0xfd0
[ 51.611809][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.611813][ T420] RIP: 0033:0x7f2833d951d7
[ 51.611818][ T420] 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
[ 51.611821][ T420] RSP: 002b:00007ffe0a10a288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 51.611827][ T420] RAX: ffffffffffffffda RBX: 00007ffe0a10a9b0 RCX: 00007f2833d951d7
[ 51.611829][ T420] RDX: 0000000000000000 RSI: 00007ffe0a10a2f0 RDI: 0000000000000005
[ 51.611831][ T420] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 51.611833][ T420] R10: 00007f2833c91f60 R11: 0000000000000246 R12: 0000000000000002
[ 51.611835][ T420] R13: 00000000690dee9e R14: 0000000000499600 R15: 0000000000000000
[ 51.611842][ T420]
[ 51.611843][ T420]
[ 51.629203][ T420] Allocated by task 314:
[ 51.629366][ T420] kasan_save_stack+0x24/0x40
[ 51.629586][ T420] kasan_save_track+0x14/0x30
[ 51.629787][ T420] __kasan_kmalloc+0x7b/0x90
[ 51.629956][ T420] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 51.630135][ T420] alloc_netdev_mqs+0x7d/0x1370
[ 51.630351][ T420] rtnl_create_link+0xa9e/0xe20
[ 51.630547][ T420] rtnl_newlink_create+0x203/0x770
[ 51.630784][ T420] __rtnl_newlink+0x231/0xa30
[ 51.630956][ T420] rtnl_newlink+0x693/0xa60
[ 51.631224][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.631448][ T420] netlink_rcv_skb+0x121/0x340
[ 51.631656][ T420] netlink_unicast+0x4aa/0x780
[ 51.631866][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.632072][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.632293][ T420] ___sys_sendmsg+0xed/0x170
[ 51.632601][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.632854][ T420] do_syscall_64+0xc1/0xfd0
[ 51.633160][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.633497][ T420]
[ 51.633628][ T420] Freed by task 420:
[ 51.633777][ T420] kasan_save_stack+0x24/0x40
[ 51.633980][ T420] kasan_save_track+0x14/0x30
[ 51.634175][ T420] __kasan_save_free_info+0x3b/0x60
[ 51.634391][ T420] __kasan_slab_free+0x3f/0x60
[ 51.634582][ T420] kfree+0x21d/0x540
[ 51.634724][ T420] device_release+0x9c/0x210
[ 51.634930][ T420] kobject_cleanup+0xfe/0x360
[ 51.635125][ T420] netdev_run_todo+0x81f/0xc60
[ 51.635339][ T420] rtnl_dellink+0x350/0xa30
[ 51.635527][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.635738][ T420] netlink_rcv_skb+0x121/0x340
[ 51.635923][ T420] netlink_unicast+0x4aa/0x780
[ 51.636098][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.636283][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.636484][ T420] ___sys_sendmsg+0xed/0x170
[ 51.636686][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.636979][ T420] do_syscall_64+0xc1/0xfd0
[ 51.637171][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.637451][ T420]
[ 51.637559][ T420] Last potentially related work creation:
[ 51.637772][ T420] kasan_save_stack+0x24/0x40
[ 51.637984][ T420] kasan_record_aux_stack+0x8c/0xa0
[ 51.638187][ T420] insert_work+0x34/0x230
[ 51.638404][ T420] __queue_work+0x5fd/0xab0
[ 51.638693][ T420] queue_work_on+0x84/0x90
[ 51.638879][ T420] br_multicast_dev_del+0xeb/0x240 [bridge]
[ 51.639192][ T420] br_dev_uninit+0x19/0x40 [bridge]
[ 51.639525][ T420] unregister_netdevice_many_notify+0xa80/0x1b30
[ 51.639767][ T420] rtnl_dellink+0x344/0xa30
[ 51.639946][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.640118][ T420] netlink_rcv_skb+0x121/0x340
[ 51.640425][ T420] netlink_unicast+0x4aa/0x780
[ 51.640597][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.640804][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.641076][ T420] ___sys_sendmsg+0xed/0x170
[ 51.641375][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.641556][ T420] do_syscall_64+0xc1/0xfd0
[ 51.641748][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.641968][ T420]
[ 51.642166][ T420] Second to last potentially related work creation:
[ 51.642418][ T420] kasan_save_stack+0x24/0x40
[ 51.642597][ T420] kasan_record_aux_stack+0x8c/0xa0
[ 51.642782][ T420] insert_work+0x34/0x230
[ 51.643013][ T420] __queue_work+0x5fd/0xab0
[ 51.643186][ T420] queue_work_on+0x84/0x90
[ 51.643385][ T420] fdb_delete+0x7bf/0xd50 [bridge]
[ 51.643582][ T420] br_fdb_delete_by_port+0x1ce/0x260 [bridge]
[ 51.643922][ T420] del_nbp+0x374/0xbe0 [bridge]
[ 51.644138][ T420] br_dev_delete+0x91/0x1a0 [bridge]
[ 51.644352][ T420] rtnl_dellink+0x334/0xa30
[ 51.644628][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.644910][ T420] netlink_rcv_skb+0x121/0x340
[ 51.645087][ T420] netlink_unicast+0x4aa/0x780
[ 51.645272][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.645446][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.645732][ T420] ___sys_sendmsg+0xed/0x170
[ 51.645972][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.646168][ T420] do_syscall_64+0xc1/0xfd0
[ 51.646387][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.646599][ T420]
[ 51.646701][ T420] The buggy address belongs to the object at ffff88801020a000
[ 51.646701][ T420] which belongs to the cache kmalloc-8k of size 8192
[ 51.647195][ T420] The buggy address is located 1708 bytes inside of
[ 51.647195][ T420] freed 8192-byte region [ffff88801020a000, ffff88801020c000)
[ 51.647699][ T420]
[ 51.647789][ T420] The buggy address belongs to the physical page:
[ 51.648019][ T420] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10208
[ 51.648351][ T420] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 51.648633][ T420] flags: 0x80000000000040(head|node=0|zone=1)
[ 51.648898][ T420] page_type: f5(slab)
[ 51.649041][ T420] raw: 0080000000000040 ffff8880010438c0 ffffea0000134810 ffff888001041228
[ 51.649431][ T420] raw: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 51.649994][ T420] head: 0080000000000040 ffff8880010438c0 ffffea0000134810 ffff888001041228
[ 51.650370][ T420] head: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 51.650717][ T420] head: 0080000000000003 ffffea0000408201 00000000ffffffff 00000000ffffffff
[ 51.651056][ T420] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 51.651414][ T420] page dumped because: kasan: bad access detected
[ 51.651664][ T420]
[ 51.651780][ T420] Memory state around the buggy address:
[ 51.652074][ T420] ffff88801020a580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.652396][ T420] ffff88801020a600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.652688][ T420] >ffff88801020a680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.652983][ T420] ^
[ 51.653194][ T420] ffff88801020a700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.653588][ T420] ffff88801020a780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 51.653980][ T420] ==================================================================
[ 51.654412][ T420] Disabling lock debugging due to kernel taint
[ 51.654685][ T420] ------------[ cut here ]------------
[ 51.654884][ T420] refcount_t: underflow; use-after-free.
[ 51.655112][ T420] WARNING: CPU: 0 PID: 420 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 51.655568][ T420] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth
[ 51.655968][ T420] CPU: 0 UID: 0 PID: 420 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 51.656609][ T420] Tainted: [B]=BAD_PAGE
[ 51.657429][ T420] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 51.657778][ T420] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 51.658034][ T420] 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 a7 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
[ 51.658757][ T420] RSP: 0018:ffffc900007071f0 EFLAGS: 00010286
[ 51.659012][ T420] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 51.659321][ T420] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 51.659619][ T420] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff4f7e134
[ 51.659932][ T420] R10: 0000000000000003 R11: ffffc90000706d80 R12: 0000000000000001
[ 51.660224][ T420] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 51.660546][ T420] FS: 00007f2833bc7800(0000) GS:ffff88808d1f2000(0000) knlGS:0000000000000000
[ 51.661021][ T420] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 51.661285][ T420] CR2: 00000000004e68c8 CR3: 000000000a6f4002 CR4: 0000000000772ef0
[ 51.661708][ T420] PKRU: 55555554
[ 51.661862][ T420] Call Trace:
[ 51.662010][ T420]
[ 51.662113][ T420] netdev_run_todo+0x5f0/0xc60
[ 51.662315][ T420] ? dev_ingress_queue_create+0x190/0x190
[ 51.662514][ T420] ? generic_xdp_install+0x410/0x410
[ 51.662727][ T420] ? kernfs_put.part.0+0x12d/0x480
[ 51.662953][ T420] ? unregister_netdevice_many+0x20/0x20
[ 51.663138][ T420] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 51.663355][ T420] rtnl_dellink+0x350/0xa30
[ 51.663535][ T420] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 51.663798][ T420] ? find_held_lock+0x2b/0x80
[ 51.663987][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.664171][ T420] ? find_held_lock+0x2b/0x80
[ 51.664365][ T420] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 51.664643][ T420] ? __lock_release+0x5d/0x170
[ 51.664845][ T420] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 51.665051][ T420] rtnetlink_rcv_msg+0x709/0xc00
[ 51.665445][ T420] ? rtnl_port_fill+0x850/0x850
[ 51.665632][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.665839][ T420] netlink_rcv_skb+0x121/0x340
[ 51.666027][ T420] ? rtnl_port_fill+0x850/0x850
[ 51.666311][ T420] ? netlink_ack+0xdd0/0xdd0
[ 51.666493][ T420] ? netlink_deliver_tap+0x13e/0x340
[ 51.666684][ T420] ? netlink_deliver_tap+0xc3/0x340
[ 51.666871][ T420] netlink_unicast+0x4aa/0x780
[ 51.667139][ T420] ? netlink_attachskb+0x810/0x810
[ 51.667325][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.667510][ T420] netlink_sendmsg+0x714/0xbd0
[ 51.667724][ T420] ? netlink_unicast+0x780/0x780
[ 51.667996][ T420] ? __import_iovec+0x230/0x3b0
[ 51.668187][ T420] ? netlink_unicast+0x780/0x780
[ 51.668373][ T420] ____sys_sendmsg+0x3dd/0x890
[ 51.668555][ T420] ? get_timestamp.constprop.0+0x380/0x380
[ 51.668800][ T420] ? __copy_msghdr+0x3c0/0x3c0
[ 51.668984][ T420] ___sys_sendmsg+0xed/0x170
[ 51.669167][ T420] ? kasan_record_aux_stack+0x8c/0xa0
[ 51.669365][ T420] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 51.669705][ T420] ? copy_msghdr_from_user+0x110/0x110
[ 51.669884][ T420] ? find_held_lock+0x2b/0x80
[ 51.670056][ T420] ? __lock_acquire+0x449/0x7e0
[ 51.670232][ T420] ? find_held_lock+0x2b/0x80
[ 51.670515][ T420] ? __virt_addr_valid+0x22a/0x450
[ 51.670735][ T420] ? __lock_release+0x5d/0x170
[ 51.670930][ T420] __sys_sendmsg+0x10b/0x1a0
[ 51.671120][ T420] ? __call_rcu_common.constprop.0+0x318/0x630
[ 51.671471][ T420] ? __sys_sendmsg_sock+0x20/0x20
[ 51.671680][ T420] ? rcu_is_watching+0x12/0xb0
[ 51.671871][ T420] do_syscall_64+0xc1/0xfd0
[ 51.672064][ T420] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 51.672399][ T420] RIP: 0033:0x7f2833d951d7
[ 51.672612][ T420] 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
[ 51.673417][ T420] RSP: 002b:00007ffe0a10a288 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 51.673730][ T420] RAX: ffffffffffffffda RBX: 00007ffe0a10a9b0 RCX: 00007f2833d951d7
[ 51.674119][ T420] RDX: 0000000000000000 RSI: 00007ffe0a10a2f0 RDI: 0000000000000005
[ 51.674424][ T420] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 51.674731][ T420] R10: 00007f2833c91f60 R11: 0000000000000246 R12: 0000000000000002
[ 51.675169][ T420] R13: 00000000690dee9e R14: 0000000000499600 R15: 0000000000000000
[ 51.675482][ T420]
[ 51.675637][ T420] irq event stamp: 58831
[ 51.675898][ T420] hardirqs last enabled at (58831): [] irqentry_exit+0x3b/0x80
[ 51.676246][ T420] hardirqs last disabled at (58830): [] handle_softirqs+0x47f/0x610
[ 51.676599][ T420] softirqs last enabled at (58728): [] handle_softirqs+0x352/0x610
[ 51.676962][ T420] softirqs last disabled at (58721): [] irq_exit_rcu+0xab/0x100
[ 51.677325][ T420] ---[ end trace 0000000000000000 ]---
[ 51.688429][ T420] ip (420) used greatest stack depth: 24232 bytes left