[ 15.251000][ T252] ip (252) used greatest stack depth: 24448 bytes left
[ 29.715782][ T356] GACT probability NOT on
[ 79.003360][ T576] Mirror/redirect action on
[ 79.045924][ T575] tc (575) used greatest stack depth: 23648 bytes left
[ 157.675874][ T944] ==================================================================
[ 157.676206][ T944] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 157.676496][ T944] Read of size 1 at addr ffff888005cec6ac by task ip/944
[ 157.676744][ T944]
[ 157.676837][ T944] CPU: 1 UID: 0 PID: 944 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 157.676843][ T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.676845][ T944] Call Trace:
[ 157.676847][ T944]
[ 157.676850][ T944] dump_stack_lvl+0x82/0xc0
[ 157.676856][ T944] print_address_description.constprop.0+0x2c/0x3a0
[ 157.676863][ T944] ? kobject_put+0xbb/0xd0
[ 157.676867][ T944] print_report+0xb4/0x270
[ 157.676870][ T944] ? kobject_put+0xbb/0xd0
[ 157.676874][ T944] ? kasan_addr_to_slab+0x21/0x70
[ 157.676877][ T944] ? kobject_put+0xbb/0xd0
[ 157.676880][ T944] kasan_report+0xca/0x100
[ 157.676884][ T944] ? kobject_put+0xbb/0xd0
[ 157.676889][ T944] kobject_put+0xbb/0xd0
[ 157.676893][ T944] netdev_run_todo+0x5f0/0xc60
[ 157.676898][ T944] ? dev_ingress_queue_create+0x190/0x190
[ 157.676902][ T944] ? generic_xdp_install+0x410/0x410
[ 157.676905][ T944] ? vrf_dellink+0xff/0x150 [vrf]
[ 157.676912][ T944] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 157.676917][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.676926][ T944] rtnl_dellink+0x350/0xa30
[ 157.676932][ T944] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 157.676952][ T944] ? find_held_lock+0x2b/0x80
[ 157.676956][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.676962][ T944] ? find_held_lock+0x2b/0x80
[ 157.676966][ T944] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 157.676968][ T944] ? __lock_release+0x5d/0x170
[ 157.676973][ T944] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 157.676976][ T944] rtnetlink_rcv_msg+0x709/0xc00
[ 157.676980][ T944] ? rtnl_port_fill+0x850/0x850
[ 157.676983][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.676989][ T944] netlink_rcv_skb+0x121/0x340
[ 157.676995][ T944] ? rtnl_port_fill+0x850/0x850
[ 157.676998][ T944] ? netlink_ack+0xdd0/0xdd0
[ 157.677005][ T944] ? netlink_deliver_tap+0x13e/0x340
[ 157.677008][ T944] ? netlink_deliver_tap+0xc3/0x340
[ 157.677011][ T944] netlink_unicast+0x4aa/0x780
[ 157.677015][ T944] ? netlink_attachskb+0x810/0x810
[ 157.677019][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.677025][ T944] netlink_sendmsg+0x714/0xbd0
[ 157.677029][ T944] ? netlink_unicast+0x780/0x780
[ 157.677033][ T944] ? __import_iovec+0x230/0x3b0
[ 157.677040][ T944] ? netlink_unicast+0x780/0x780
[ 157.677044][ T944] ____sys_sendmsg+0x3dd/0x890
[ 157.677051][ T944] ? get_timestamp.constprop.0+0x380/0x380
[ 157.677054][ T944] ? __copy_msghdr+0x3c0/0x3c0
[ 157.677062][ T944] ___sys_sendmsg+0xed/0x170
[ 157.677065][ T944] ? kasan_record_aux_stack+0x8c/0xa0
[ 157.677068][ T944] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 157.677076][ T944] ? copy_msghdr_from_user+0x110/0x110
[ 157.677081][ T944] ? find_held_lock+0x2b/0x80
[ 157.677085][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.677091][ T944] ? find_held_lock+0x2b/0x80
[ 157.677094][ T944] ? __virt_addr_valid+0x22a/0x450
[ 157.677102][ T944] ? __lock_release+0x5d/0x170
[ 157.677109][ T944] __sys_sendmsg+0x10b/0x1a0
[ 157.677112][ T944] ? __call_rcu_common.constprop.0+0x318/0x630
[ 157.677116][ T944] ? __sys_sendmsg_sock+0x20/0x20
[ 157.677123][ T944] ? rcu_is_watching+0x12/0xb0
[ 157.677127][ T944] do_syscall_64+0xc1/0xfd0
[ 157.677134][ T944] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 157.677138][ T944] RIP: 0033:0x7f5ff73541d7
[ 157.677143][ T944] 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
[ 157.677146][ T944] RSP: 002b:00007ffdad3b5cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 157.677150][ T944] RAX: ffffffffffffffda RBX: 00007ffdad3b63f0 RCX: 00007f5ff73541d7
[ 157.677152][ T944] RDX: 0000000000000000 RSI: 00007ffdad3b5d30 RDI: 0000000000000005
[ 157.677154][ T944] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 157.677156][ T944] R10: 00007f5ff7250f60 R11: 0000000000000246 R12: 0000000000000002
[ 157.677157][ T944] R13: 00000000690df587 R14: 0000000000499600 R15: 0000000000000000
[ 157.677164][ T944]
[ 157.677165][ T944]
[ 157.690197][ T944] Allocated by task 312:
[ 157.690339][ T944] kasan_save_stack+0x24/0x40
[ 157.690532][ T944] kasan_save_track+0x14/0x30
[ 157.690697][ T944] __kasan_kmalloc+0x7b/0x90
[ 157.690883][ T944] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 157.691054][ T944] alloc_netdev_mqs+0x7d/0x1370
[ 157.691229][ T944] rtnl_create_link+0xa9e/0xe20
[ 157.691401][ T944] rtnl_newlink_create+0x203/0x770
[ 157.691567][ T944] __rtnl_newlink+0x231/0xa30
[ 157.691734][ T944] rtnl_newlink+0x693/0xa60
[ 157.691900][ T944] rtnetlink_rcv_msg+0x709/0xc00
[ 157.692068][ T944] netlink_rcv_skb+0x121/0x340
[ 157.692255][ T944] netlink_unicast+0x4aa/0x780
[ 157.692424][ T944] netlink_sendmsg+0x714/0xbd0
[ 157.692589][ T944] ____sys_sendmsg+0x3dd/0x890
[ 157.692759][ T944] ___sys_sendmsg+0xed/0x170
[ 157.692926][ T944] __sys_sendmsg+0x10b/0x1a0
[ 157.693093][ T944] do_syscall_64+0xc1/0xfd0
[ 157.693262][ T944] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 157.693468][ T944]
[ 157.693564][ T944] Freed by task 944:
[ 157.693696][ T944] kasan_save_stack+0x24/0x40
[ 157.693872][ T944] kasan_save_track+0x14/0x30
[ 157.694043][ T944] __kasan_save_free_info+0x3b/0x60
[ 157.694212][ T944] __kasan_slab_free+0x3f/0x60
[ 157.694405][ T944] kfree+0x21d/0x540
[ 157.694544][ T944] device_release+0x9c/0x210
[ 157.694716][ T944] kobject_cleanup+0xfe/0x360
[ 157.694892][ T944] netdev_run_todo+0x81f/0xc60
[ 157.695061][ T944] rtnl_dellink+0x350/0xa30
[ 157.695241][ T944] rtnetlink_rcv_msg+0x709/0xc00
[ 157.695406][ T944] netlink_rcv_skb+0x121/0x340
[ 157.695590][ T944] netlink_unicast+0x4aa/0x780
[ 157.695761][ T944] netlink_sendmsg+0x714/0xbd0
[ 157.695928][ T944] ____sys_sendmsg+0x3dd/0x890
[ 157.696096][ T944] ___sys_sendmsg+0xed/0x170
[ 157.696268][ T944] __sys_sendmsg+0x10b/0x1a0
[ 157.696437][ T944] do_syscall_64+0xc1/0xfd0
[ 157.696615][ T944] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 157.696823][ T944]
[ 157.696917][ T944] The buggy address belongs to the object at ffff888005cec000
[ 157.696917][ T944] which belongs to the cache kmalloc-4k of size 4096
[ 157.697330][ T944] The buggy address is located 1708 bytes inside of
[ 157.697330][ T944] freed 4096-byte region [ffff888005cec000, ffff888005ced000)
[ 157.697749][ T944]
[ 157.697837][ T944] The buggy address belongs to the physical page:
[ 157.698052][ T944] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5ce8
[ 157.698367][ T944] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 157.698643][ T944] flags: 0x80000000000040(head|node=0|zone=1)
[ 157.698864][ T944] page_type: f5(slab)
[ 157.699005][ T944] raw: 0080000000000040 ffff888001043700 ffffea00001f5810 ffffea000029a610
[ 157.699339][ T944] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 157.699645][ T944] head: 0080000000000040 ffff888001043700 ffffea00001f5810 ffffea000029a610
[ 157.699958][ T944] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 157.700252][ T944] head: 0080000000000003 ffffea0000173a01 00000000ffffffff 00000000ffffffff
[ 157.700561][ T944] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 157.700854][ T944] page dumped because: kasan: bad access detected
[ 157.701067][ T944]
[ 157.701158][ T944] Memory state around the buggy address:
[ 157.701333][ T944] ffff888005cec580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 157.701598][ T944] ffff888005cec600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 157.701836][ T944] >ffff888005cec680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 157.702096][ T944] ^
[ 157.702280][ T944] ffff888005cec700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 157.702526][ T944] ffff888005cec780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 157.702774][ T944] ==================================================================
[ 157.703639][ T944] Disabling lock debugging due to kernel taint
[ 157.703885][ T944] ------------[ cut here ]------------
[ 157.704070][ T944] refcount_t: underflow; use-after-free.
[ 157.704269][ T944] WARNING: CPU: 1 PID: 944 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 157.704585][ T944] Modules linked in: act_mirred act_gact act_police cls_flower sch_ingress vrf veth
[ 157.704892][ T944] CPU: 1 UID: 0 PID: 944 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 157.705631][ T944] Tainted: [B]=BAD_PAGE
[ 157.705771][ T944] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 157.705985][ T944] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 157.706215][ T944] 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 c5 9d 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
[ 157.706838][ T944] RSP: 0018:ffffc900011bf1f0 EFLAGS: 00010286
[ 157.707063][ T944] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 157.707314][ T944] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 157.707597][ T944] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff3cbe134
[ 157.707861][ T944] R10: 0000000000000003 R11: ffffc900011bed80 R12: 0000000000000001
[ 157.708116][ T944] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 157.708367][ T944] FS: 00007f5ff7186800(0000) GS:ffff888096872000(0000) knlGS:0000000000000000
[ 157.708680][ T944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 157.708902][ T944] CR2: 00007f8fa71d8000 CR3: 000000000ab29001 CR4: 0000000000772ef0
[ 157.709173][ T944] PKRU: 55555554
[ 157.709311][ T944] Call Trace:
[ 157.709443][ T944]
[ 157.709556][ T944] netdev_run_todo+0x5f0/0xc60
[ 157.709731][ T944] ? dev_ingress_queue_create+0x190/0x190
[ 157.709915][ T944] ? generic_xdp_install+0x410/0x410
[ 157.710087][ T944] ? vrf_dellink+0xff/0x150 [vrf]
[ 157.710276][ T944] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 157.710488][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.710693][ T944] rtnl_dellink+0x350/0xa30
[ 157.710871][ T944] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 157.711113][ T944] ? find_held_lock+0x2b/0x80
[ 157.711281][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.711446][ T944] ? find_held_lock+0x2b/0x80
[ 157.711632][ T944] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 157.711797][ T944] ? __lock_release+0x5d/0x170
[ 157.711975][ T944] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 157.712287][ T944] rtnetlink_rcv_msg+0x709/0xc00
[ 157.712462][ T944] ? rtnl_port_fill+0x850/0x850
[ 157.712650][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.712818][ T944] netlink_rcv_skb+0x121/0x340
[ 157.712994][ T944] ? rtnl_port_fill+0x850/0x850
[ 157.713165][ T944] ? netlink_ack+0xdd0/0xdd0
[ 157.713330][ T944] ? netlink_deliver_tap+0x13e/0x340
[ 157.713517][ T944] ? netlink_deliver_tap+0xc3/0x340
[ 157.713692][ T944] netlink_unicast+0x4aa/0x780
[ 157.713867][ T944] ? netlink_attachskb+0x810/0x810
[ 157.714040][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.714203][ T944] netlink_sendmsg+0x714/0xbd0
[ 157.714365][ T944] ? netlink_unicast+0x780/0x780
[ 157.714548][ T944] ? __import_iovec+0x230/0x3b0
[ 157.714718][ T944] ? netlink_unicast+0x780/0x780
[ 157.714920][ T944] ____sys_sendmsg+0x3dd/0x890
[ 157.715096][ T944] ? get_timestamp.constprop.0+0x380/0x380
[ 157.715302][ T944] ? __copy_msghdr+0x3c0/0x3c0
[ 157.715480][ T944] ___sys_sendmsg+0xed/0x170
[ 157.715659][ T944] ? kasan_record_aux_stack+0x8c/0xa0
[ 157.715832][ T944] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 157.716051][ T944] ? copy_msghdr_from_user+0x110/0x110
[ 157.716229][ T944] ? find_held_lock+0x2b/0x80
[ 157.716396][ T944] ? __lock_acquire+0x449/0x7e0
[ 157.716583][ T944] ? find_held_lock+0x2b/0x80
[ 157.716746][ T944] ? __virt_addr_valid+0x22a/0x450
[ 157.716924][ T944] ? __lock_release+0x5d/0x170
[ 157.717101][ T944] __sys_sendmsg+0x10b/0x1a0
[ 157.717263][ T944] ? __call_rcu_common.constprop.0+0x318/0x630
[ 157.717479][ T944] ? __sys_sendmsg_sock+0x20/0x20
[ 157.717662][ T944] ? rcu_is_watching+0x12/0xb0
[ 157.717835][ T944] do_syscall_64+0xc1/0xfd0
[ 157.718012][ T944] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 157.718212][ T944] RIP: 0033:0x7f5ff73541d7
[ 157.718395][ T944] 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
[ 157.719035][ T944] RSP: 002b:00007ffdad3b5cc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 157.719286][ T944] RAX: ffffffffffffffda RBX: 00007ffdad3b63f0 RCX: 00007f5ff73541d7
[ 157.719562][ T944] RDX: 0000000000000000 RSI: 00007ffdad3b5d30 RDI: 0000000000000005
[ 157.719839][ T944] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 157.720113][ T944] R10: 00007f5ff7250f60 R11: 0000000000000246 R12: 0000000000000002
[ 157.720357][ T944] R13: 00000000690df587 R14: 0000000000499600 R15: 0000000000000000
[ 157.720629][ T944]
[ 157.720763][ T944] irq event stamp: 46463
[ 157.720922][ T944] hardirqs last enabled at (46463): [] finish_task_switch.isra.0+0x245/0x960
[ 157.721262][ T944] hardirqs last disabled at (46462): [] __schedule+0x94a/0x1b10
[ 157.721573][ T944] softirqs last enabled at (45650): [] handle_softirqs+0x352/0x610
[ 157.721872][ T944] softirqs last disabled at (45521): [] irq_exit_rcu+0xab/0x100
[ 157.722172][ T944] ---[ end trace 0000000000000000 ]---