[ 22.464328][ T327] gre: GRE over IPv4 demultiplexer driver
[ 22.526247][ T327] ip6_gre: GRE over IPv6 tunneling driver
[ 22.719541][ T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 22.893689][ T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 24.963946][ T349] 8021q: 802.1Q VLAN Support v1.8
[ 29.447342][ T388] GACT probability NOT on
[ 31.318497][ T12] ip6_tunnel: g2 xmit: Local address not yet configured!
[ 31.431865][ T12] ip6_tunnel: g2 xmit: Local address not yet configured!
[ 1730.433232][T17286] ==================================================================
[ 1730.433607][T17286] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 1730.433886][T17286] Read of size 1 at addr ffff888007f246ac by task ip/17286
[ 1730.434146][T17286]
[ 1730.434241][T17286] CPU: 3 UID: 0 PID: 17286 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1730.434246][T17286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1730.434248][T17286] Call Trace:
[ 1730.434254][T17286]
[ 1730.434256][T17286] dump_stack_lvl+0x82/0xc0
[ 1730.434264][T17286] print_address_description.constprop.0+0x2c/0x3a0
[ 1730.434276][T17286] ? kobject_put+0xbb/0xd0
[ 1730.434280][T17286] print_report+0xb4/0x270
[ 1730.434283][T17286] ? kobject_put+0xbb/0xd0
[ 1730.434286][T17286] ? kasan_addr_to_slab+0x21/0x70
[ 1730.434289][T17286] ? kobject_put+0xbb/0xd0
[ 1730.434292][T17286] kasan_report+0xca/0x100
[ 1730.434295][T17286] ? kobject_put+0xbb/0xd0
[ 1730.434301][T17286] kobject_put+0xbb/0xd0
[ 1730.434304][T17286] netdev_run_todo+0x5f0/0xc60
[ 1730.434309][T17286] ? dev_ingress_queue_create+0x190/0x190
[ 1730.434312][T17286] ? generic_xdp_install+0x410/0x410
[ 1730.434317][T17286] ? vrf_dellink+0xff/0x150 [vrf]
[ 1730.434329][T17286] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 1730.434339][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.434357][T17286] rtnl_dellink+0x350/0xa30
[ 1730.434364][T17286] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 1730.434383][T17286] ? find_held_lock+0x2b/0x80
[ 1730.434388][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.434394][T17286] ? find_held_lock+0x2b/0x80
[ 1730.434397][T17286] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 1730.434400][T17286] ? __lock_release+0x5d/0x170
[ 1730.434405][T17286] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 1730.434408][T17286] rtnetlink_rcv_msg+0x709/0xc00
[ 1730.434412][T17286] ? rtnl_port_fill+0x850/0x850
[ 1730.434414][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.434421][T17286] netlink_rcv_skb+0x121/0x340
[ 1730.434425][T17286] ? rtnl_port_fill+0x850/0x850
[ 1730.434429][T17286] ? netlink_ack+0xdd0/0xdd0
[ 1730.434435][T17286] ? netlink_deliver_tap+0x13e/0x340
[ 1730.434438][T17286] ? netlink_deliver_tap+0xc3/0x340
[ 1730.434442][T17286] netlink_unicast+0x4aa/0x780
[ 1730.434446][T17286] ? netlink_attachskb+0x810/0x810
[ 1730.434450][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.434455][T17286] netlink_sendmsg+0x714/0xbd0
[ 1730.434460][T17286] ? netlink_unicast+0x780/0x780
[ 1730.434463][T17286] ? __import_iovec+0x230/0x3b0
[ 1730.434476][T17286] ? netlink_unicast+0x780/0x780
[ 1730.434479][T17286] ____sys_sendmsg+0x3dd/0x890
[ 1730.434487][T17286] ? get_timestamp.constprop.0+0x380/0x380
[ 1730.434490][T17286] ? __copy_msghdr+0x3c0/0x3c0
[ 1730.434499][T17286] ___sys_sendmsg+0xed/0x170
[ 1730.434502][T17286] ? kasan_record_aux_stack+0x8c/0xa0
[ 1730.434505][T17286] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 1730.434517][T17286] ? copy_msghdr_from_user+0x110/0x110
[ 1730.434522][T17286] ? find_held_lock+0x2b/0x80
[ 1730.434526][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.434532][T17286] ? find_held_lock+0x2b/0x80
[ 1730.434535][T17286] ? __virt_addr_valid+0x22a/0x450
[ 1730.434551][T17286] ? __lock_release+0x5d/0x170
[ 1730.434562][T17286] __sys_sendmsg+0x10b/0x1a0
[ 1730.434565][T17286] ? __call_rcu_common.constprop.0+0x318/0x630
[ 1730.434569][T17286] ? __sys_sendmsg_sock+0x20/0x20
[ 1730.434577][T17286] ? rcu_is_watching+0x12/0xb0
[ 1730.434581][T17286] do_syscall_64+0xc1/0xfd0
[ 1730.434586][T17286] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1730.434592][T17286] RIP: 0033:0x7f37e68d31d7
[ 1730.434598][T17286] 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
[ 1730.434601][T17286] RSP: 002b:00007ffd20f9e068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1730.434606][T17286] RAX: ffffffffffffffda RBX: 00007ffd20f9e790 RCX: 00007f37e68d31d7
[ 1730.434608][T17286] RDX: 0000000000000000 RSI: 00007ffd20f9e0d0 RDI: 0000000000000005
[ 1730.434610][T17286] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 1730.434612][T17286] R10: 00007f37e67cff60 R11: 0000000000000246 R12: 0000000000000002
[ 1730.434614][T17286] R13: 00000000690dfa98 R14: 0000000000499600 R15: 0000000000000000
[ 1730.434620][T17286]
[ 1730.434621][T17286]
[ 1730.447984][T17286] Allocated by task 411:
[ 1730.448126][T17286] kasan_save_stack+0x24/0x40
[ 1730.448305][T17286] kasan_save_track+0x14/0x30
[ 1730.448486][T17286] __kasan_kmalloc+0x7b/0x90
[ 1730.448768][T17286] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 1730.449037][T17286] alloc_netdev_mqs+0x7d/0x1370
[ 1730.449209][T17286] rtnl_create_link+0xa9e/0xe20
[ 1730.449390][T17286] rtnl_newlink_create+0x203/0x770
[ 1730.449672][T17286] __rtnl_newlink+0x231/0xa30
[ 1730.449947][T17286] rtnl_newlink+0x693/0xa60
[ 1730.450115][T17286] rtnetlink_rcv_msg+0x709/0xc00
[ 1730.450287][T17286] netlink_rcv_skb+0x121/0x340
[ 1730.450468][T17286] netlink_unicast+0x4aa/0x780
[ 1730.450747][T17286] netlink_sendmsg+0x714/0xbd0
[ 1730.450910][T17286] ____sys_sendmsg+0x3dd/0x890
[ 1730.451080][T17286] ___sys_sendmsg+0xed/0x170
[ 1730.451252][T17286] __sys_sendmsg+0x10b/0x1a0
[ 1730.451434][T17286] do_syscall_64+0xc1/0xfd0
[ 1730.451620][T17286] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1730.451832][T17286]
[ 1730.451922][T17286] Freed by task 17286:
[ 1730.452053][T17286] kasan_save_stack+0x24/0x40
[ 1730.452229][T17286] kasan_save_track+0x14/0x30
[ 1730.452413][T17286] __kasan_save_free_info+0x3b/0x60
[ 1730.452700][T17286] __kasan_slab_free+0x3f/0x60
[ 1730.452879][T17286] kfree+0x21d/0x540
[ 1730.453006][T17286] device_release+0x9c/0x210
[ 1730.453193][T17286] kobject_cleanup+0xfe/0x360
[ 1730.453374][T17286] netdev_run_todo+0x81f/0xc60
[ 1730.453656][T17286] rtnl_dellink+0x350/0xa30
[ 1730.453826][T17286] rtnetlink_rcv_msg+0x709/0xc00
[ 1730.453997][T17286] netlink_rcv_skb+0x121/0x340
[ 1730.454168][T17286] netlink_unicast+0x4aa/0x780
[ 1730.454351][T17286] netlink_sendmsg+0x714/0xbd0
[ 1730.454521][T17286] ____sys_sendmsg+0x3dd/0x890
[ 1730.454699][T17286] ___sys_sendmsg+0xed/0x170
[ 1730.454968][T17286] __sys_sendmsg+0x10b/0x1a0
[ 1730.455138][T17286] do_syscall_64+0xc1/0xfd0
[ 1730.455305][T17286] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1730.455523][T17286]
[ 1730.455734][T17286] The buggy address belongs to the object at ffff888007f24000
[ 1730.455734][T17286] which belongs to the cache kmalloc-4k of size 4096
[ 1730.456153][T17286] The buggy address is located 1708 bytes inside of
[ 1730.456153][T17286] freed 4096-byte region [ffff888007f24000, ffff888007f25000)
[ 1730.456687][T17286]
[ 1730.456865][T17286] The buggy address belongs to the physical page:
[ 1730.457069][T17286] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7f20
[ 1730.457384][T17286] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 1730.457751][T17286] flags: 0x80000000000040(head|node=0|zone=1)
[ 1730.457965][T17286] page_type: f5(slab)
[ 1730.458098][T17286] raw: 0080000000000040 ffff888001043700 ffffea00003abe10 ffffea00001d6610
[ 1730.458513][T17286] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1730.458821][T17286] head: 0080000000000040 ffff888001043700 ffffea00003abe10 ffffea00001d6610
[ 1730.459216][T17286] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1730.459515][T17286] head: 0080000000000003 ffffea00001fc801 00000000ffffffff 00000000ffffffff
[ 1730.459814][T17286] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1730.460216][T17286] page dumped because: kasan: bad access detected
[ 1730.460428][T17286]
[ 1730.460511][T17286] Memory state around the buggy address:
[ 1730.460771][T17286] ffff888007f24580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1730.461024][T17286] ffff888007f24600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1730.461275][T17286] >ffff888007f24680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1730.461652][T17286] ^
[ 1730.461816][T17286] ffff888007f24700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1730.462051][T17286] ffff888007f24780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1730.462288][T17286] ==================================================================
[ 1730.462631][T17286] Disabling lock debugging due to kernel taint
[ 1730.463093][T17286] ------------[ cut here ]------------
[ 1730.463416][T17286] refcount_t: underflow; use-after-free.
[ 1730.463801][T17286] WARNING: CPU: 2 PID: 17286 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 1730.464360][T17286] Modules linked in: act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
[ 1730.464998][T17286] CPU: 2 UID: 0 PID: 17286 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1730.465643][T17286] Tainted: [B]=BAD_PAGE
[ 1730.465895][T17286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1730.466296][T17286] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 1730.466702][T17286] 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 e5 b5 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
[ 1730.468005][T17286] RSP: 0018:ffffc9000ce2f1f0 EFLAGS: 00010286
[ 1730.468420][T17286] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 1730.468879][T17286] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 1730.469358][T17286] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff6cfe134
[ 1730.469815][T17286] R10: 0000000000000003 R11: ffffc9000ce2ed80 R12: 0000000000000001
[ 1730.470290][T17286] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 1730.470764][T17286] FS: 00007f37e6705800(0000) GS:ffff88807e6f2000(0000) knlGS:0000000000000000
[ 1730.471526][T17286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1730.471926][T17286] CR2: 000055f359367dec CR3: 000000000dfa1002 CR4: 0000000000772ef0
[ 1730.472601][T17286] PKRU: 55555554
[ 1730.472857][T17286] Call Trace:
[ 1730.473109][T17286]
[ 1730.473305][T17286] netdev_run_todo+0x5f0/0xc60
[ 1730.473633][T17286] ? dev_ingress_queue_create+0x190/0x190
[ 1730.473967][T17286] ? generic_xdp_install+0x410/0x410
[ 1730.474481][T17286] ? vrf_dellink+0xff/0x150 [vrf]
[ 1730.474817][T17286] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 1730.475218][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.475745][T17286] rtnl_dellink+0x350/0xa30
[ 1730.476076][T17286] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 1730.476681][T17286] ? find_held_lock+0x2b/0x80
[ 1730.477016][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.477357][T17286] ? find_held_lock+0x2b/0x80
[ 1730.477672][T17286] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 1730.477992][T17286] ? __lock_release+0x5d/0x170
[ 1730.478331][T17286] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 1730.478902][T17286] rtnetlink_rcv_msg+0x709/0xc00
[ 1730.479235][T17286] ? rtnl_port_fill+0x850/0x850
[ 1730.479564][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.479890][T17286] netlink_rcv_skb+0x121/0x340
[ 1730.480407][T17286] ? rtnl_port_fill+0x850/0x850
[ 1730.480725][T17286] ? netlink_ack+0xdd0/0xdd0
[ 1730.481050][T17286] ? netlink_deliver_tap+0x13e/0x340
[ 1730.481381][T17286] ? netlink_deliver_tap+0xc3/0x340
[ 1730.481888][T17286] netlink_unicast+0x4aa/0x780
[ 1730.482219][T17286] ? netlink_attachskb+0x810/0x810
[ 1730.482549][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.482867][T17286] netlink_sendmsg+0x714/0xbd0
[ 1730.483195][T17286] ? netlink_unicast+0x780/0x780
[ 1730.483510][T17286] ? __import_iovec+0x230/0x3b0
[ 1730.483827][T17286] ? netlink_unicast+0x780/0x780
[ 1730.484139][T17286] ____sys_sendmsg+0x3dd/0x890
[ 1730.484472][T17286] ? get_timestamp.constprop.0+0x380/0x380
[ 1730.484884][T17286] ? __copy_msghdr+0x3c0/0x3c0
[ 1730.485220][T17286] ___sys_sendmsg+0xed/0x170
[ 1730.485534][T17286] ? kasan_record_aux_stack+0x8c/0xa0
[ 1730.485855][T17286] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 1730.486247][T17286] ? copy_msghdr_from_user+0x110/0x110
[ 1730.486562][T17286] ? find_held_lock+0x2b/0x80
[ 1730.487062][T17286] ? __lock_acquire+0x449/0x7e0
[ 1730.487393][T17286] ? find_held_lock+0x2b/0x80
[ 1730.487715][T17286] ? __virt_addr_valid+0x22a/0x450
[ 1730.488020][T17286] ? __lock_release+0x5d/0x170
[ 1730.488530][T17286] __sys_sendmsg+0x10b/0x1a0
[ 1730.488840][T17286] ? __call_rcu_common.constprop.0+0x318/0x630
[ 1730.489240][T17286] ? __sys_sendmsg_sock+0x20/0x20
[ 1730.489555][T17286] ? rcu_is_watching+0x12/0xb0
[ 1730.490058][T17286] do_syscall_64+0xc1/0xfd0
[ 1730.490394][T17286] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1730.490768][T17286] RIP: 0033:0x7f37e68d31d7
[ 1730.491102][T17286] 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
[ 1730.492162][T17286] RSP: 002b:00007ffd20f9e068 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 1730.492837][T17286] RAX: ffffffffffffffda RBX: 00007ffd20f9e790 RCX: 00007f37e68d31d7
[ 1730.493303][T17286] RDX: 0000000000000000 RSI: 00007ffd20f9e0d0 RDI: 0000000000000005
[ 1730.493750][T17286] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 1730.494402][T17286] R10: 00007f37e67cff60 R11: 0000000000000246 R12: 0000000000000002
[ 1730.494872][T17286] R13: 00000000690dfa98 R14: 0000000000499600 R15: 0000000000000000
[ 1730.495539][T17286]
[ 1730.495806][T17286] irq event stamp: 43829
[ 1730.496048][T17286] hardirqs last enabled at (43829): [] finish_task_switch.isra.0+0x245/0x960
[ 1730.496650][T17286] hardirqs last disabled at (43828): [] __schedule+0x94a/0x1b10
[ 1730.497389][T17286] softirqs last enabled at (43792): [] handle_softirqs+0x352/0x610
[ 1730.497908][T17286] softirqs last disabled at (43785): [] irq_exit_rcu+0xab/0x100
[ 1730.498634][T17286] ---[ end trace 0000000000000000 ]---
[ 1730.510702][T17286] ip (17286) used greatest stack depth: 24232 bytes left