[ 17.486786][ T260] ip (260) used greatest stack depth: 24176 bytes left
[ 32.553932][ T357] GACT probability NOT on
[ 83.234931][ T577] Mirror/redirect action on
[ 83.265732][ T576] tc (576) used greatest stack depth: 23952 bytes left
[ 164.646057][ T945] ==================================================================
[ 164.646452][ T945] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 164.646789][ T945] Read of size 1 at addr ffff88800e6496ac by task ip/945
[ 164.647066][ T945]
[ 164.647180][ T945] CPU: 3 UID: 0 PID: 945 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 164.647186][ T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.647188][ T945] Call Trace:
[ 164.647190][ T945]
[ 164.647193][ T945] dump_stack_lvl+0x82/0xc0
[ 164.647200][ T945] print_address_description.constprop.0+0x2c/0x3a0
[ 164.647208][ T945] ? kobject_put+0xbb/0xd0
[ 164.647212][ T945] print_report+0xb4/0x270
[ 164.647215][ T945] ? kobject_put+0xbb/0xd0
[ 164.647218][ T945] ? kasan_addr_to_slab+0x21/0x70
[ 164.647222][ T945] ? kobject_put+0xbb/0xd0
[ 164.647225][ T945] kasan_report+0xca/0x100
[ 164.647229][ T945] ? kobject_put+0xbb/0xd0
[ 164.647234][ T945] kobject_put+0xbb/0xd0
[ 164.647237][ T945] netdev_run_todo+0x5f0/0xc60
[ 164.647243][ T945] ? dev_ingress_queue_create+0x190/0x190
[ 164.647246][ T945] ? generic_xdp_install+0x410/0x410
[ 164.647251][ T945] ? vrf_dellink+0xff/0x150 [vrf]
[ 164.647258][ T945] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 164.647263][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.647276][ T945] rtnl_dellink+0x350/0xa30
[ 164.647285][ T945] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 164.647306][ T945] ? find_held_lock+0x2b/0x80
[ 164.647311][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.647317][ T945] ? find_held_lock+0x2b/0x80
[ 164.647320][ T945] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 164.647323][ T945] ? __lock_release+0x5d/0x170
[ 164.647327][ T945] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 164.647330][ T945] rtnetlink_rcv_msg+0x709/0xc00
[ 164.647334][ T945] ? rtnl_port_fill+0x850/0x850
[ 164.647337][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.647343][ T945] netlink_rcv_skb+0x121/0x340
[ 164.647348][ T945] ? rtnl_port_fill+0x850/0x850
[ 164.647351][ T945] ? netlink_ack+0xdd0/0xdd0
[ 164.647358][ T945] ? netlink_deliver_tap+0x13e/0x340
[ 164.647360][ T945] ? netlink_deliver_tap+0xc3/0x340
[ 164.647364][ T945] netlink_unicast+0x4aa/0x780
[ 164.647368][ T945] ? netlink_attachskb+0x810/0x810
[ 164.647372][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.647377][ T945] netlink_sendmsg+0x714/0xbd0
[ 164.647382][ T945] ? netlink_unicast+0x780/0x780
[ 164.647386][ T945] ? __import_iovec+0x230/0x3b0
[ 164.647392][ T945] ? netlink_unicast+0x780/0x780
[ 164.647395][ T945] ____sys_sendmsg+0x3dd/0x890
[ 164.647405][ T945] ? get_timestamp.constprop.0+0x380/0x380
[ 164.647408][ T945] ? __copy_msghdr+0x3c0/0x3c0
[ 164.647417][ T945] ___sys_sendmsg+0xed/0x170
[ 164.647420][ T945] ? kasan_record_aux_stack+0x8c/0xa0
[ 164.647422][ T945] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 164.647431][ T945] ? copy_msghdr_from_user+0x110/0x110
[ 164.647436][ T945] ? find_held_lock+0x2b/0x80
[ 164.647440][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.647446][ T945] ? find_held_lock+0x2b/0x80
[ 164.647449][ T945] ? __virt_addr_valid+0x22a/0x450
[ 164.647455][ T945] ? __lock_release+0x5d/0x170
[ 164.647462][ T945] __sys_sendmsg+0x10b/0x1a0
[ 164.647465][ T945] ? __call_rcu_common.constprop.0+0x318/0x630
[ 164.647469][ T945] ? __sys_sendmsg_sock+0x20/0x20
[ 164.647476][ T945] ? rcu_is_watching+0x12/0xb0
[ 164.647481][ T945] do_syscall_64+0xc1/0xfd0
[ 164.647487][ T945] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 164.647491][ T945] RIP: 0033:0x7f41502121d7
[ 164.647497][ T945] 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
[ 164.647500][ T945] RSP: 002b:00007ffd5860f798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 164.647506][ T945] RAX: ffffffffffffffda RBX: 00007ffd5860fec0 RCX: 00007f41502121d7
[ 164.647508][ T945] RDX: 0000000000000000 RSI: 00007ffd5860f800 RDI: 0000000000000005
[ 164.647510][ T945] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 164.647512][ T945] R10: 00007f415010ef60 R11: 0000000000000246 R12: 0000000000000002
[ 164.647513][ T945] R13: 00000000690dea71 R14: 0000000000499600 R15: 0000000000000000
[ 164.647520][ T945]
[ 164.647521][ T945]
[ 164.663934][ T945] Allocated by task 312:
[ 164.664198][ T945] kasan_save_stack+0x24/0x40
[ 164.664416][ T945] kasan_save_track+0x14/0x30
[ 164.664622][ T945] __kasan_kmalloc+0x7b/0x90
[ 164.664837][ T945] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 164.665060][ T945] alloc_netdev_mqs+0x7d/0x1370
[ 164.665276][ T945] rtnl_create_link+0xa9e/0xe20
[ 164.665488][ T945] rtnl_newlink_create+0x203/0x770
[ 164.665707][ T945] __rtnl_newlink+0x231/0xa30
[ 164.665914][ T945] rtnl_newlink+0x693/0xa60
[ 164.666119][ T945] rtnetlink_rcv_msg+0x709/0xc00
[ 164.666327][ T945] netlink_rcv_skb+0x121/0x340
[ 164.666540][ T945] netlink_unicast+0x4aa/0x780
[ 164.666753][ T945] netlink_sendmsg+0x714/0xbd0
[ 164.666958][ T945] ____sys_sendmsg+0x3dd/0x890
[ 164.667166][ T945] ___sys_sendmsg+0xed/0x170
[ 164.667374][ T945] __sys_sendmsg+0x10b/0x1a0
[ 164.667683][ T945] do_syscall_64+0xc1/0xfd0
[ 164.667902][ T945] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 164.668168][ T945]
[ 164.668274][ T945] Freed by task 945:
[ 164.668438][ T945] kasan_save_stack+0x24/0x40
[ 164.668761][ T945] kasan_save_track+0x14/0x30
[ 164.668965][ T945] __kasan_save_free_info+0x3b/0x60
[ 164.669177][ T945] __kasan_slab_free+0x3f/0x60
[ 164.669391][ T945] kfree+0x21d/0x540
[ 164.669548][ T945] device_release+0x9c/0x210
[ 164.669759][ T945] kobject_cleanup+0xfe/0x360
[ 164.669945][ T945] netdev_run_todo+0x81f/0xc60
[ 164.670127][ T945] rtnl_dellink+0x350/0xa30
[ 164.670294][ T945] rtnetlink_rcv_msg+0x709/0xc00
[ 164.670518][ T945] netlink_rcv_skb+0x121/0x340
[ 164.670711][ T945] netlink_unicast+0x4aa/0x780
[ 164.670931][ T945] netlink_sendmsg+0x714/0xbd0
[ 164.671342][ T945] ____sys_sendmsg+0x3dd/0x890
[ 164.671549][ T945] ___sys_sendmsg+0xed/0x170
[ 164.671761][ T945] __sys_sendmsg+0x10b/0x1a0
[ 164.671973][ T945] do_syscall_64+0xc1/0xfd0
[ 164.672294][ T945] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 164.672548][ T945]
[ 164.672653][ T945] The buggy address belongs to the object at ffff88800e649000
[ 164.672653][ T945] which belongs to the cache kmalloc-4k of size 4096
[ 164.673154][ T945] The buggy address is located 1708 bytes inside of
[ 164.673154][ T945] freed 4096-byte region [ffff88800e649000, ffff88800e64a000)
[ 164.673659][ T945]
[ 164.673765][ T945] The buggy address belongs to the physical page:
[ 164.674116][ T945] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe648
[ 164.674481][ T945] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 164.674805][ T945] flags: 0x80000000000040(head|node=0|zone=1)
[ 164.675081][ T945] page_type: f5(slab)
[ 164.675245][ T945] raw: 0080000000000040 ffff888001043700 ffffea00001b9a10 ffffea0000211410
[ 164.675612][ T945] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 164.675974][ T945] head: 0080000000000040 ffff888001043700 ffffea00001b9a10 ffffea0000211410
[ 164.676350][ T945] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 164.676723][ T945] head: 0080000000000003 ffffea0000399201 00000000ffffffff 00000000ffffffff
[ 164.677091][ T945] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 164.677559][ T945] page dumped because: kasan: bad access detected
[ 164.677816][ T945]
[ 164.677920][ T945] Memory state around the buggy address:
[ 164.678129][ T945] ffff88800e649580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 164.678445][ T945] ffff88800e649600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 164.678742][ T945] >ffff88800e649680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 164.679050][ T945] ^
[ 164.679343][ T945] ffff88800e649700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 164.679645][ T945] ffff88800e649780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 164.680051][ T945] ==================================================================
[ 164.680524][ T945] Disabling lock debugging due to kernel taint
[ 164.680920][ T945] ------------[ cut here ]------------
[ 164.681390][ T945] refcount_t: underflow; use-after-free.
[ 164.681741][ T945] WARNING: CPU: 2 PID: 945 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 164.682231][ T945] Modules linked in: act_mirred act_gact act_police cls_flower sch_ingress vrf veth
[ 164.682776][ T945] CPU: 2 UID: 0 PID: 945 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 164.683358][ T945] Tainted: [B]=BAD_PAGE
[ 164.683595][ T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 164.683965][ T945] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 164.684566][ T945] 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 65 ac 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
[ 164.685816][ T945] RSP: 0018:ffffc9000115f1f0 EFLAGS: 00010286
[ 164.686378][ T945] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 164.687005][ T945] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 164.687467][ T945] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff59fe134
[ 164.687903][ T945] R10: 0000000000000003 R11: ffffc9000115ed80 R12: 0000000000000001
[ 164.688375][ T945] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 164.689003][ T945] FS: 00007f4150044800(0000) GS:ffff888087ef2000(0000) knlGS:0000000000000000
[ 164.689519][ T945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 164.689903][ T945] CR2: 000055fe7500c408 CR3: 0000000008d4f004 CR4: 0000000000772ef0
[ 164.690388][ T945] PKRU: 55555554
[ 164.690629][ T945] Call Trace:
[ 164.690868][ T945]
[ 164.691046][ T945] netdev_run_todo+0x5f0/0xc60
[ 164.691374][ T945] ? dev_ingress_queue_create+0x190/0x190
[ 164.691668][ T945] ? generic_xdp_install+0x410/0x410
[ 164.691980][ T945] ? vrf_dellink+0xff/0x150 [vrf]
[ 164.692488][ T945] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 164.692872][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.693190][ T945] rtnl_dellink+0x350/0xa30
[ 164.693696][ T945] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 164.694103][ T945] ? find_held_lock+0x2b/0x80
[ 164.694424][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.694732][ T945] ? find_held_lock+0x2b/0x80
[ 164.695283][ T945] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 164.695609][ T945] ? __lock_release+0x5d/0x170
[ 164.695919][ T945] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 164.696291][ T945] rtnetlink_rcv_msg+0x709/0xc00
[ 164.696797][ T945] ? rtnl_port_fill+0x850/0x850
[ 164.697104][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.697421][ T945] netlink_rcv_skb+0x121/0x340
[ 164.697720][ T945] ? rtnl_port_fill+0x850/0x850
[ 164.698206][ T945] ? netlink_ack+0xdd0/0xdd0
[ 164.698533][ T945] ? netlink_deliver_tap+0x13e/0x340
[ 164.698833][ T945] ? netlink_deliver_tap+0xc3/0x340
[ 164.699146][ T945] netlink_unicast+0x4aa/0x780
[ 164.699472][ T945] ? netlink_attachskb+0x810/0x810
[ 164.699776][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.700094][ T945] netlink_sendmsg+0x714/0xbd0
[ 164.700411][ T945] ? netlink_unicast+0x780/0x780
[ 164.700913][ T945] ? __import_iovec+0x230/0x3b0
[ 164.701224][ T945] ? netlink_unicast+0x780/0x780
[ 164.701538][ T945] ____sys_sendmsg+0x3dd/0x890
[ 164.702017][ T945] ? get_timestamp.constprop.0+0x380/0x380
[ 164.702566][ T945] ? __copy_msghdr+0x3c0/0x3c0
[ 164.703052][ T945] ___sys_sendmsg+0xed/0x170
[ 164.703366][ T945] ? kasan_record_aux_stack+0x8c/0xa0
[ 164.703683][ T945] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 164.704229][ T945] ? copy_msghdr_from_user+0x110/0x110
[ 164.704558][ T945] ? find_held_lock+0x2b/0x80
[ 164.704904][ T945] ? __lock_acquire+0x449/0x7e0
[ 164.705217][ T945] ? find_held_lock+0x2b/0x80
[ 164.705742][ T945] ? __virt_addr_valid+0x22a/0x450
[ 164.706074][ T945] ? __lock_release+0x5d/0x170
[ 164.706397][ T945] __sys_sendmsg+0x10b/0x1a0
[ 164.706715][ T945] ? __call_rcu_common.constprop.0+0x318/0x630
[ 164.707283][ T945] ? __sys_sendmsg_sock+0x20/0x20
[ 164.707606][ T945] ? rcu_is_watching+0x12/0xb0
[ 164.707971][ T945] do_syscall_64+0xc1/0xfd0
[ 164.708468][ T945] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 164.708826][ T945] RIP: 0033:0x7f41502121d7
[ 164.709158][ T945] 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
[ 164.710401][ T945] RSP: 002b:00007ffd5860f798 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 164.710880][ T945] RAX: ffffffffffffffda RBX: 00007ffd5860fec0 RCX: 00007f41502121d7
[ 164.711550][ T945] RDX: 0000000000000000 RSI: 00007ffd5860f800 RDI: 0000000000000005
[ 164.712025][ T945] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 164.712690][ T945] R10: 00007f415010ef60 R11: 0000000000000246 R12: 0000000000000002
[ 164.713356][ T945] R13: 00000000690dea71 R14: 0000000000499600 R15: 0000000000000000
[ 164.713799][ T945]
[ 164.714034][ T945] irq event stamp: 45681
[ 164.714460][ T945] hardirqs last enabled at (45681): [] kasan_quarantine_put+0xf9/0x210
[ 164.714975][ T945] hardirqs last disabled at (45680): [] kasan_quarantine_put+0xac/0x210
[ 164.715492][ T945] softirqs last enabled at (45376): [] handle_softirqs+0x352/0x610
[ 164.715994][ T945] softirqs last disabled at (45365): [] irq_exit_rcu+0xab/0x100
[ 164.716530][ T945] ---[ end trace 0000000000000000 ]---