[ 20.207082][ T289] eth0: renamed from tmp
[ 22.477282][ T307] Initializing XFRM netlink socket
[ 30.524963][ T375] IPsec XFRM device driver
[ 34.121510][ T403] ==================================================================
[ 34.121856][ T403] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 34.122136][ T403] Read of size 1 at addr ffff888004ec96c4 by task ip/403
[ 34.122400][ T403]
[ 34.122497][ T403] CPU: 2 UID: 0 PID: 403 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 34.122502][ T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.122504][ T403] Call Trace:
[ 34.122506][ T403]
[ 34.122508][ T403] dump_stack_lvl+0x82/0xc0
[ 34.122515][ T403] print_address_description.constprop.0+0x2c/0x3a0
[ 34.122521][ T403] ? kobject_put+0xbb/0xd0
[ 34.122525][ T403] print_report+0xb4/0x270
[ 34.122529][ T403] ? kobject_put+0xbb/0xd0
[ 34.122532][ T403] ? kasan_addr_to_slab+0x21/0x70
[ 34.122535][ T403] ? kobject_put+0xbb/0xd0
[ 34.122538][ T403] kasan_report+0xca/0x100
[ 34.122544][ T403] ? kobject_put+0xbb/0xd0
[ 34.122553][ T403] kobject_put+0xbb/0xd0
[ 34.122558][ T403] netdev_run_todo+0x5f0/0xc60
[ 34.122566][ T403] ? dev_ingress_queue_create+0x190/0x190
[ 34.122570][ T403] ? generic_xdp_install+0x410/0x410
[ 34.122574][ T403] ? unregister_netdevice_many+0x20/0x20
[ 34.122578][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.122584][ T403] rtnl_dellink+0x350/0xa30
[ 34.122589][ T403] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.122609][ T403] ? find_held_lock+0x2b/0x80
[ 34.122615][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.122620][ T403] ? find_held_lock+0x2b/0x80
[ 34.122623][ T403] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 34.122626][ T403] ? __lock_release+0x5d/0x170
[ 34.122630][ T403] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.122634][ T403] rtnetlink_rcv_msg+0x709/0xc00
[ 34.122638][ T403] ? rtnl_port_fill+0x890/0x890
[ 34.122641][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.122647][ T403] netlink_rcv_skb+0x121/0x340
[ 34.122654][ T403] ? rtnl_port_fill+0x890/0x890
[ 34.122658][ T403] ? netlink_ack+0xdf0/0xdf0
[ 34.122665][ T403] ? netlink_deliver_tap+0x13e/0x340
[ 34.122667][ T403] ? netlink_deliver_tap+0xc3/0x340
[ 34.122671][ T403] netlink_unicast+0x4aa/0x780
[ 34.122675][ T403] ? netlink_attachskb+0x810/0x810
[ 34.122678][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.122683][ T403] netlink_sendmsg+0x714/0xbd0
[ 34.122687][ T403] ? netlink_unicast+0x780/0x780
[ 34.122690][ T403] ? __import_iovec+0x230/0x3b0
[ 34.122696][ T403] ? netlink_unicast+0x780/0x780
[ 34.122699][ T403] ____sys_sendmsg+0x3dd/0x890
[ 34.122704][ T403] ? get_timestamp.constprop.0+0x370/0x370
[ 34.122706][ T403] ? __copy_msghdr+0x3c0/0x3c0
[ 34.122713][ T403] ___sys_sendmsg+0xed/0x170
[ 34.122716][ T403] ? kasan_record_aux_stack+0x8c/0xa0
[ 34.122719][ T403] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 34.122723][ T403] ? copy_msghdr_from_user+0x110/0x110
[ 34.122727][ T403] ? find_held_lock+0x2b/0x80
[ 34.122732][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.122737][ T403] ? find_held_lock+0x2b/0x80
[ 34.122741][ T403] ? __virt_addr_valid+0x22a/0x450
[ 34.122750][ T403] ? __lock_release+0x5d/0x170
[ 34.122756][ T403] __sys_sendmsg+0x10b/0x1a0
[ 34.122758][ T403] ? __call_rcu_common.constprop.0+0x318/0x630
[ 34.122761][ T403] ? __sys_sendmsg_sock+0x20/0x20
[ 34.122768][ T403] ? rcu_is_watching+0x12/0xb0
[ 34.122774][ T403] do_syscall_64+0xc1/0xfd0
[ 34.122780][ T403] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.122783][ T403] RIP: 0033:0x7f37bd3c51d7
[ 34.122790][ T403] 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
[ 34.122795][ T403] RSP: 002b:00007fff8041e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 34.122803][ T403] RAX: ffffffffffffffda RBX: 00007fff8041f060 RCX: 00007f37bd3c51d7
[ 34.122806][ T403] RDX: 0000000000000000 RSI: 00007fff8041e990 RDI: 0000000000000005
[ 34.122809][ T403] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 34.122811][ T403] R10: 00007f37bd2c1510 R11: 0000000000000246 R12: 0000000000000001
[ 34.122814][ T403] R13: 00000000690df444 R14: 0000000000499600 R15: 0000000000000000
[ 34.122820][ T403]
[ 34.122822][ T403]
[ 34.136702][ T403] Allocated by task 374:
[ 34.136863][ T403] kasan_save_stack+0x24/0x40
[ 34.137059][ T403] kasan_save_track+0x14/0x30
[ 34.137242][ T403] __kasan_kmalloc+0x7b/0x90
[ 34.137428][ T403] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 34.137613][ T403] alloc_netdev_mqs+0x7d/0x1370
[ 34.137798][ T403] rtnl_create_link+0xa9e/0xe20
[ 34.137986][ T403] rtnl_newlink_create+0x203/0x8f0
[ 34.138183][ T403] __rtnl_newlink+0x231/0xa30
[ 34.138364][ T403] rtnl_newlink+0x693/0xa60
[ 34.138542][ T403] rtnetlink_rcv_msg+0x709/0xc00
[ 34.138726][ T403] netlink_rcv_skb+0x121/0x340
[ 34.138914][ T403] netlink_unicast+0x4aa/0x780
[ 34.139095][ T403] netlink_sendmsg+0x714/0xbd0
[ 34.139285][ T403] ____sys_sendmsg+0x3dd/0x890
[ 34.139467][ T403] ___sys_sendmsg+0xed/0x170
[ 34.139658][ T403] __sys_sendmsg+0x10b/0x1a0
[ 34.139853][ T403] do_syscall_64+0xc1/0xfd0
[ 34.140059][ T403] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.140299][ T403]
[ 34.140395][ T403] Freed by task 403:
[ 34.140536][ T403] kasan_save_stack+0x24/0x40
[ 34.140729][ T403] kasan_save_track+0x14/0x30
[ 34.140915][ T403] __kasan_save_free_info+0x3b/0x60
[ 34.141106][ T403] __kasan_slab_free+0x3f/0x60
[ 34.141380][ T403] kfree+0x21d/0x540
[ 34.141517][ T403] device_release+0x9c/0x210
[ 34.141699][ T403] kobject_cleanup+0xfe/0x360
[ 34.141889][ T403] netdev_run_todo+0x81f/0xc60
[ 34.142076][ T403] rtnl_dellink+0x350/0xa30
[ 34.142265][ T403] rtnetlink_rcv_msg+0x709/0xc00
[ 34.142444][ T403] netlink_rcv_skb+0x121/0x340
[ 34.142638][ T403] netlink_unicast+0x4aa/0x780
[ 34.142826][ T403] netlink_sendmsg+0x714/0xbd0
[ 34.143019][ T403] ____sys_sendmsg+0x3dd/0x890
[ 34.143202][ T403] ___sys_sendmsg+0xed/0x170
[ 34.143380][ T403] __sys_sendmsg+0x10b/0x1a0
[ 34.143561][ T403] do_syscall_64+0xc1/0xfd0
[ 34.143742][ T403] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.143972][ T403]
[ 34.144064][ T403] The buggy address belongs to the object at ffff888004ec9000
[ 34.144064][ T403] which belongs to the cache kmalloc-4k of size 4096
[ 34.144516][ T403] The buggy address is located 1732 bytes inside of
[ 34.144516][ T403] freed 4096-byte region [ffff888004ec9000, ffff888004eca000)
[ 34.144962][ T403]
[ 34.145058][ T403] The buggy address belongs to the physical page:
[ 34.145293][ T403] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4ec8
[ 34.145618][ T403] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 34.145896][ T403] flags: 0x80000000000040(head|node=0|zone=1)
[ 34.146142][ T403] page_type: f5(slab)
[ 34.146289][ T403] raw: 0080000000000040 ffff888001043700 ffffea0000240010 ffffea00002bc610
[ 34.146616][ T403] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 34.146942][ T403] head: 0080000000000040 ffff888001043700 ffffea0000240010 ffffea00002bc610
[ 34.147277][ T403] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 34.147602][ T403] head: 0080000000000003 ffffea000013b201 00000000ffffffff 00000000ffffffff
[ 34.147923][ T403] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 34.148251][ T403] page dumped because: kasan: bad access detected
[ 34.148474][ T403]
[ 34.148566][ T403] Memory state around the buggy address:
[ 34.148743][ T403] ffff888004ec9580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.149022][ T403] ffff888004ec9600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.149290][ T403] >ffff888004ec9680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.149622][ T403] ^
[ 34.149844][ T403] ffff888004ec9700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.150086][ T403] ffff888004ec9780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.150338][ T403] ==================================================================
[ 34.150729][ T403] Disabling lock debugging due to kernel taint
[ 34.151099][ T403] ------------[ cut here ]------------
[ 34.151292][ T403] refcount_t: underflow; use-after-free.
[ 34.151525][ T403] WARNING: CPU: 0 PID: 403 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 34.151840][ T403] Modules linked in: xfrm_interface xfrm_user
[ 34.152104][ T403] CPU: 0 UID: 0 PID: 403 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 34.152453][ T403] Tainted: [B]=BAD_PAGE
[ 34.152581][ T403] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.152810][ T403] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 34.153074][ T403] Code: cc 38 03 80 fb 01 0f 87 29 33 d7 fe 83 e3 01 0f 85 51 ff ff ff c6 05 17 cc 38 03 01 90 48 c7 c7 40 ba e5 b9 e8 62 d6 16 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 c0 9d a0 ff e9 ba fe ff ff
[ 34.153694][ T403] RSP: 0018:ffffc900006b71f0 EFLAGS: 00010286
[ 34.153905][ T403] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 34.154174][ T403] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 34.154452][ T403] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff75c0934
[ 34.154707][ T403] R10: 0000000000000003 R11: ffffc900006b6d80 R12: 0000000000000001
[ 34.154961][ T403] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 34.155254][ T403] FS: 00007f37bd1f7800(0000) GS:ffff8880b0d08000(0000) knlGS:0000000000000000
[ 34.155556][ T403] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.155777][ T403] CR2: 00007f37bd5c5050 CR3: 000000000d971004 CR4: 0000000000772ef0
[ 34.156050][ T403] PKRU: 55555554
[ 34.156183][ T403] Call Trace:
[ 34.156327][ T403]
[ 34.156413][ T403] netdev_run_todo+0x5f0/0xc60
[ 34.156586][ T403] ? dev_ingress_queue_create+0x190/0x190
[ 34.156780][ T403] ? generic_xdp_install+0x410/0x410
[ 34.156953][ T403] ? unregister_netdevice_many+0x20/0x20
[ 34.157136][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.157330][ T403] rtnl_dellink+0x350/0xa30
[ 34.157495][ T403] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.157724][ T403] ? find_held_lock+0x2b/0x80
[ 34.157897][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.158094][ T403] ? find_held_lock+0x2b/0x80
[ 34.158276][ T403] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 34.158538][ T403] ? __lock_release+0x5d/0x170
[ 34.158710][ T403] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.158911][ T403] rtnetlink_rcv_msg+0x709/0xc00
[ 34.159202][ T403] ? rtnl_port_fill+0x890/0x890
[ 34.159387][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.159557][ T403] netlink_rcv_skb+0x121/0x340
[ 34.159733][ T403] ? rtnl_port_fill+0x890/0x890
[ 34.159898][ T403] ? netlink_ack+0xdf0/0xdf0
[ 34.160179][ T403] ? netlink_deliver_tap+0x13e/0x340
[ 34.160360][ T403] ? netlink_deliver_tap+0xc3/0x340
[ 34.160524][ T403] netlink_unicast+0x4aa/0x780
[ 34.160697][ T403] ? netlink_attachskb+0x810/0x810
[ 34.160958][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.161148][ T403] netlink_sendmsg+0x714/0xbd0
[ 34.161331][ T403] ? netlink_unicast+0x780/0x780
[ 34.161492][ T403] ? __import_iovec+0x230/0x3b0
[ 34.161760][ T403] ? netlink_unicast+0x780/0x780
[ 34.161926][ T403] ____sys_sendmsg+0x3dd/0x890
[ 34.162116][ T403] ? get_timestamp.constprop.0+0x370/0x370
[ 34.162423][ T403] ? __copy_msghdr+0x3c0/0x3c0
[ 34.162588][ T403] ___sys_sendmsg+0xed/0x170
[ 34.162767][ T403] ? kasan_record_aux_stack+0x8c/0xa0
[ 34.162942][ T403] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 34.163309][ T403] ? copy_msghdr_from_user+0x110/0x110
[ 34.163475][ T403] ? find_held_lock+0x2b/0x80
[ 34.163655][ T403] ? __lock_acquire+0x449/0x7e0
[ 34.163818][ T403] ? find_held_lock+0x2b/0x80
[ 34.164113][ T403] ? __virt_addr_valid+0x22a/0x450
[ 34.164305][ T403] ? __lock_release+0x5d/0x170
[ 34.164471][ T403] __sys_sendmsg+0x10b/0x1a0
[ 34.164642][ T403] ? __call_rcu_common.constprop.0+0x318/0x630
[ 34.164948][ T403] ? __sys_sendmsg_sock+0x20/0x20
[ 34.165131][ T403] ? rcu_is_watching+0x12/0xb0
[ 34.165309][ T403] do_syscall_64+0xc1/0xfd0
[ 34.165474][ T403] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.165785][ T403] RIP: 0033:0x7f37bd3c51d7
[ 34.165969][ T403] 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
[ 34.166688][ T403] RSP: 002b:00007fff8041e928 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 34.166952][ T403] RAX: ffffffffffffffda RBX: 00007fff8041f060 RCX: 00007f37bd3c51d7
[ 34.167350][ T403] RDX: 0000000000000000 RSI: 00007fff8041e990 RDI: 0000000000000005
[ 34.167600][ T403] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 34.167856][ T403] R10: 00007f37bd2c1510 R11: 0000000000000246 R12: 0000000000000001
[ 34.168237][ T403] R13: 00000000690df444 R14: 0000000000499600 R15: 0000000000000000
[ 34.168490][ T403]
[ 34.168629][ T403] irq event stamp: 50323
[ 34.168755][ T403] hardirqs last enabled at (50323): [] finish_task_switch.isra.0+0x245/0x960
[ 34.169207][ T403] hardirqs last disabled at (50322): [] __schedule+0x94a/0x1b10
[ 34.169504][ T403] softirqs last enabled at (50236): [] handle_softirqs+0x352/0x610
[ 34.169926][ T403] softirqs last disabled at (50231): [] irq_exit_rcu+0xab/0x100
[ 34.170275][ T403] ---[ end trace 0000000000000000 ]---