[ 40.692021][ T421] Initializing XFRM netlink socket
[ 47.382555][ T445] ==================================================================
[ 47.382853][ T445] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 47.383120][ T445] Read of size 1 at addr ffff88800fa046ac by task ip/445
[ 47.383373][ T445]
[ 47.383480][ T445] CPU: 0 UID: 0 PID: 445 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 47.383486][ T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.383489][ T445] Call Trace:
[ 47.383491][ T445]
[ 47.383493][ T445] dump_stack_lvl+0x82/0xc0
[ 47.383501][ T445] print_address_description.constprop.0+0x2c/0x3a0
[ 47.383509][ T445] ? kobject_put+0xbb/0xd0
[ 47.383513][ T445] print_report+0xb4/0x270
[ 47.383516][ T445] ? kobject_put+0xbb/0xd0
[ 47.383520][ T445] ? kasan_addr_to_slab+0x21/0x70
[ 47.383523][ T445] ? kobject_put+0xbb/0xd0
[ 47.383526][ T445] kasan_report+0xca/0x100
[ 47.383530][ T445] ? kobject_put+0xbb/0xd0
[ 47.383536][ T445] kobject_put+0xbb/0xd0
[ 47.383539][ T445] netdev_run_todo+0x5f0/0xc60
[ 47.383545][ T445] ? dev_ingress_queue_create+0x190/0x190
[ 47.383548][ T445] ? generic_xdp_install+0x410/0x410
[ 47.383552][ T445] ? vrf_dellink+0xff/0x150 [vrf]
[ 47.383567][ T445] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 47.383571][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.383581][ T445] rtnl_dellink+0x350/0xa30
[ 47.383587][ T445] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.383606][ T445] ? find_held_lock+0x2b/0x80
[ 47.383611][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.383616][ T445] ? find_held_lock+0x2b/0x80
[ 47.383620][ T445] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 47.383623][ T445] ? __lock_release+0x5d/0x170
[ 47.383628][ T445] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.383631][ T445] rtnetlink_rcv_msg+0x709/0xc00
[ 47.383635][ T445] ? rtnl_port_fill+0x850/0x850
[ 47.383637][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.383645][ T445] netlink_rcv_skb+0x121/0x340
[ 47.383650][ T445] ? rtnl_port_fill+0x850/0x850
[ 47.383653][ T445] ? netlink_ack+0xdd0/0xdd0
[ 47.383660][ T445] ? netlink_deliver_tap+0x13e/0x340
[ 47.383662][ T445] ? netlink_deliver_tap+0xc3/0x340
[ 47.383666][ T445] netlink_unicast+0x4aa/0x780
[ 47.383671][ T445] ? netlink_attachskb+0x810/0x810
[ 47.383674][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.383680][ T445] netlink_sendmsg+0x714/0xbd0
[ 47.383684][ T445] ? netlink_unicast+0x780/0x780
[ 47.383687][ T445] ? __import_iovec+0x230/0x3b0
[ 47.383695][ T445] ? netlink_unicast+0x780/0x780
[ 47.383699][ T445] ____sys_sendmsg+0x3dd/0x890
[ 47.383705][ T445] ? get_timestamp.constprop.0+0x380/0x380
[ 47.383709][ T445] ? __copy_msghdr+0x3c0/0x3c0
[ 47.383717][ T445] ___sys_sendmsg+0xed/0x170
[ 47.383720][ T445] ? kasan_record_aux_stack+0x8c/0xa0
[ 47.383723][ T445] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 47.383729][ T445] ? copy_msghdr_from_user+0x110/0x110
[ 47.383734][ T445] ? find_held_lock+0x2b/0x80
[ 47.383739][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.383744][ T445] ? find_held_lock+0x2b/0x80
[ 47.383748][ T445] ? __virt_addr_valid+0x22a/0x450
[ 47.383752][ T445] ? __lock_release+0x5d/0x170
[ 47.383758][ T445] __sys_sendmsg+0x10b/0x1a0
[ 47.383761][ T445] ? __call_rcu_common.constprop.0+0x318/0x630
[ 47.383765][ T445] ? __sys_sendmsg_sock+0x20/0x20
[ 47.383772][ T445] ? rcu_is_watching+0x12/0xb0
[ 47.383776][ T445] do_syscall_64+0xc1/0xfd0
[ 47.383782][ T445] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.383785][ T445] RIP: 0033:0x7f1b201f41d7
[ 47.383790][ T445] 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
[ 47.383793][ T445] RSP: 002b:00007ffc435198b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 47.383797][ T445] RAX: ffffffffffffffda RBX: 00007ffc43519fe0 RCX: 00007f1b201f41d7
[ 47.383800][ T445] RDX: 0000000000000000 RSI: 00007ffc43519920 RDI: 0000000000000005
[ 47.383802][ T445] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 47.383803][ T445] R10: 00007f1b200f0f60 R11: 0000000000000246 R12: 0000000000000002
[ 47.383805][ T445] R13: 00000000690df9a9 R14: 0000000000499600 R15: 0000000000000000
[ 47.383811][ T445]
[ 47.383813][ T445]
[ 47.399173][ T445] Allocated by task 302:
[ 47.399312][ T445] kasan_save_stack+0x24/0x40
[ 47.399523][ T445] kasan_save_track+0x14/0x30
[ 47.399800][ T445] __kasan_kmalloc+0x7b/0x90
[ 47.399999][ T445] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 47.400188][ T445] alloc_netdev_mqs+0x7d/0x1370
[ 47.400392][ T445] rtnl_create_link+0xa9e/0xe20
[ 47.400571][ T445] rtnl_newlink_create+0x203/0x770
[ 47.400749][ T445] __rtnl_newlink+0x231/0xa30
[ 47.401041][ T445] rtnl_newlink+0x693/0xa60
[ 47.401227][ T445] rtnetlink_rcv_msg+0x709/0xc00
[ 47.401515][ T445] netlink_rcv_skb+0x121/0x340
[ 47.401694][ T445] netlink_unicast+0x4aa/0x780
[ 47.401984][ T445] netlink_sendmsg+0x714/0xbd0
[ 47.402175][ T445] ____sys_sendmsg+0x3dd/0x890
[ 47.402463][ T445] ___sys_sendmsg+0xed/0x170
[ 47.402642][ T445] __sys_sendmsg+0x10b/0x1a0
[ 47.402922][ T445] do_syscall_64+0xc1/0xfd0
[ 47.403129][ T445] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.403366][ T445]
[ 47.403460][ T445] Freed by task 445:
[ 47.403692][ T445] kasan_save_stack+0x24/0x40
[ 47.403881][ T445] kasan_save_track+0x14/0x30
[ 47.404070][ T445] __kasan_save_free_info+0x3b/0x60
[ 47.404256][ T445] __kasan_slab_free+0x3f/0x60
[ 47.404450][ T445] kfree+0x21d/0x540
[ 47.404583][ T445] device_release+0x9c/0x210
[ 47.404770][ T445] kobject_cleanup+0xfe/0x360
[ 47.404947][ T445] netdev_run_todo+0x81f/0xc60
[ 47.405113][ T445] rtnl_dellink+0x350/0xa30
[ 47.405294][ T445] rtnetlink_rcv_msg+0x709/0xc00
[ 47.405500][ T445] netlink_rcv_skb+0x121/0x340
[ 47.405777][ T445] netlink_unicast+0x4aa/0x780
[ 47.406062][ T445] netlink_sendmsg+0x714/0xbd0
[ 47.406256][ T445] ____sys_sendmsg+0x3dd/0x890
[ 47.406450][ T445] ___sys_sendmsg+0xed/0x170
[ 47.406632][ T445] __sys_sendmsg+0x10b/0x1a0
[ 47.406816][ T445] do_syscall_64+0xc1/0xfd0
[ 47.407007][ T445] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.407248][ T445]
[ 47.407356][ T445] The buggy address belongs to the object at ffff88800fa04000
[ 47.407356][ T445] which belongs to the cache kmalloc-4k of size 4096
[ 47.407796][ T445] The buggy address is located 1708 bytes inside of
[ 47.407796][ T445] freed 4096-byte region [ffff88800fa04000, ffff88800fa05000)
[ 47.408261][ T445]
[ 47.408362][ T445] The buggy address belongs to the physical page:
[ 47.408676][ T445] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfa00
[ 47.409003][ T445] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 47.409404][ T445] flags: 0x80000000000040(head|node=0|zone=1)
[ 47.409644][ T445] page_type: f5(slab)
[ 47.409789][ T445] raw: 0080000000000040 ffff888001043700 ffffea0000471010 ffffea0000078c10
[ 47.410237][ T445] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 47.410562][ T445] head: 0080000000000040 ffff888001043700 ffffea0000471010 ffffea0000078c10
[ 47.411094][ T445] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 47.411436][ T445] head: 0080000000000003 ffffea00003e8001 00000000ffffffff 00000000ffffffff
[ 47.411760][ T445] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 47.412199][ T445] page dumped because: kasan: bad access detected
[ 47.412435][ T445]
[ 47.412526][ T445] Memory state around the buggy address:
[ 47.412696][ T445] ffff88800fa04580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.412975][ T445] ffff88800fa04600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.413339][ T445] >ffff88800fa04680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.413703][ T445] ^
[ 47.413884][ T445] ffff88800fa04700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.414165][ T445] ffff88800fa04780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.414444][ T445] ==================================================================
[ 47.414868][ T445] Disabling lock debugging due to kernel taint
[ 47.415121][ T445] ------------[ cut here ]------------
[ 47.415293][ T445] refcount_t: underflow; use-after-free.
[ 47.415524][ T445] WARNING: CPU: 3 PID: 445 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 47.415846][ T445] Modules linked in: xfrm_user vrf veth
[ 47.416149][ T445] CPU: 3 UID: 0 PID: 445 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 47.416539][ T445] Tainted: [B]=BAD_PAGE
[ 47.416676][ T445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.416908][ T445] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 47.417148][ T445] 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 85 94 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
[ 47.417818][ T445] RSP: 0018:ffffc900006271f0 EFLAGS: 00010286
[ 47.418048][ T445] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 47.418331][ T445] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 47.418616][ T445] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff2a3e134
[ 47.418903][ T445] R10: 0000000000000003 R11: ffffc90000626d80 R12: 0000000000000001
[ 47.419172][ T445] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 47.419461][ T445] FS: 00007f1b20026800(0000) GS:ffff88809fd72000(0000) knlGS:0000000000000000
[ 47.419916][ T445] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.420153][ T445] CR2: 0000557c131dddec CR3: 0000000011e9c006 CR4: 0000000000772ef0
[ 47.420450][ T445] PKRU: 55555554
[ 47.420677][ T445] Call Trace:
[ 47.420812][ T445]
[ 47.420909][ T445] netdev_run_todo+0x5f0/0xc60
[ 47.421198][ T445] ? dev_ingress_queue_create+0x190/0x190
[ 47.421381][ T445] ? generic_xdp_install+0x410/0x410
[ 47.421570][ T445] ? vrf_dellink+0xff/0x150 [vrf]
[ 47.421750][ T445] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 47.422094][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.422277][ T445] rtnl_dellink+0x350/0xa30
[ 47.422486][ T445] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.422825][ T445] ? find_held_lock+0x2b/0x80
[ 47.423023][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.423217][ T445] ? find_held_lock+0x2b/0x80
[ 47.423391][ T445] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 47.423672][ T445] ? __lock_release+0x5d/0x170
[ 47.423861][ T445] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.424120][ T445] rtnetlink_rcv_msg+0x709/0xc00
[ 47.424299][ T445] ? rtnl_port_fill+0x850/0x850
[ 47.424593][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.424788][ T445] netlink_rcv_skb+0x121/0x340
[ 47.424971][ T445] ? rtnl_port_fill+0x850/0x850
[ 47.425152][ T445] ? netlink_ack+0xdd0/0xdd0
[ 47.425450][ T445] ? netlink_deliver_tap+0x13e/0x340
[ 47.425643][ T445] ? netlink_deliver_tap+0xc3/0x340
[ 47.425826][ T445] netlink_unicast+0x4aa/0x780
[ 47.426010][ T445] ? netlink_attachskb+0x810/0x810
[ 47.426298][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.426487][ T445] netlink_sendmsg+0x714/0xbd0
[ 47.426663][ T445] ? netlink_unicast+0x780/0x780
[ 47.426853][ T445] ? __import_iovec+0x230/0x3b0
[ 47.427134][ T445] ? netlink_unicast+0x780/0x780
[ 47.427308][ T445] ____sys_sendmsg+0x3dd/0x890
[ 47.427504][ T445] ? get_timestamp.constprop.0+0x380/0x380
[ 47.427740][ T445] ? __copy_msghdr+0x3c0/0x3c0
[ 47.428020][ T445] ___sys_sendmsg+0xed/0x170
[ 47.428215][ T445] ? kasan_record_aux_stack+0x8c/0xa0
[ 47.428394][ T445] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 47.428723][ T445] ? copy_msghdr_from_user+0x110/0x110
[ 47.428927][ T445] ? find_held_lock+0x2b/0x80
[ 47.429118][ T445] ? __lock_acquire+0x449/0x7e0
[ 47.429299][ T445] ? find_held_lock+0x2b/0x80
[ 47.429609][ T445] ? __virt_addr_valid+0x22a/0x450
[ 47.429804][ T445] ? __lock_release+0x5d/0x170
[ 47.430004][ T445] __sys_sendmsg+0x10b/0x1a0
[ 47.430184][ T445] ? __call_rcu_common.constprop.0+0x318/0x630
[ 47.430528][ T445] ? __sys_sendmsg_sock+0x20/0x20
[ 47.430716][ T445] ? rcu_is_watching+0x12/0xb0
[ 47.430900][ T445] do_syscall_64+0xc1/0xfd0
[ 47.431106][ T445] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.431417][ T445] RIP: 0033:0x7f1b201f41d7
[ 47.431620][ T445] 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
[ 47.432253][ T445] RSP: 002b:00007ffc435198b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 47.432547][ T445] RAX: ffffffffffffffda RBX: 00007ffc43519fe0 RCX: 00007f1b201f41d7
[ 47.432815][ T445] RDX: 0000000000000000 RSI: 00007ffc43519920 RDI: 0000000000000005
[ 47.433086][ T445] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 47.433357][ T445] R10: 00007f1b200f0f60 R11: 0000000000000246 R12: 0000000000000002
[ 47.433727][ T445] R13: 00000000690df9a9 R14: 0000000000499600 R15: 0000000000000000
[ 47.433988][ T445]
[ 47.434126][ T445] irq event stamp: 45665
[ 47.434264][ T445] hardirqs last enabled at (45665): [] finish_task_switch.isra.0+0x245/0x960
[ 47.434730][ T445] hardirqs last disabled at (45664): [] __schedule+0x94a/0x1b10
[ 47.435055][ T445] softirqs last enabled at (44956): [] handle_softirqs+0x352/0x610
[ 47.435468][ T445] softirqs last disabled at (44847): [] irq_exit_rcu+0xab/0x100
[ 47.435774][ T445] ---[ end trace 0000000000000000 ]---
[ 47.450123][ T445] ip (445) used greatest stack depth: 24232 bytes left