[ 15.903497][ T250] ip (250) used greatest stack depth: 23224 bytes left
[ 23.023420][ T324] gre: GRE over IPv4 demultiplexer driver
[ 23.101473][ T324] ip6_gre: GRE over IPv6 tunneling driver
[ 23.363185][ T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 23.516635][ T12] ip6_tunnel: g1 xmit: Local address not yet configured!
[ 25.541112][ T345] 8021q: 802.1Q VLAN Support v1.8
[ 29.951350][ T383] GACT probability NOT on
[ 31.750820][ T12] ip6_tunnel: g2 xmit: Local address not yet configured!
[ 31.882664][ T12] ip6_tunnel: g2 xmit: Local address not yet configured!
[ 47.178619][ C3] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1172878041 wd_nsec: 1172877621
[ 212.288793][ T573] ==================================================================
[ 212.289172][ T573] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 212.289437][ T573] Read of size 1 at addr ffff888008bc16ac by task ip/573
[ 212.289663][ T573]
[ 212.289761][ T573] CPU: 0 UID: 0 PID: 573 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 212.289766][ T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 212.289768][ T573] Call Trace:
[ 212.289771][ T573]
[ 212.289773][ T573] dump_stack_lvl+0x82/0xc0
[ 212.289779][ T573] print_address_description.constprop.0+0x2c/0x3a0
[ 212.289787][ T573] ? kobject_put+0xbb/0xd0
[ 212.289791][ T573] print_report+0xb4/0x270
[ 212.289794][ T573] ? kobject_put+0xbb/0xd0
[ 212.289798][ T573] ? kasan_addr_to_slab+0x21/0x70
[ 212.289804][ T573] ? kobject_put+0xbb/0xd0
[ 212.289808][ T573] kasan_report+0xca/0x100
[ 212.289814][ T573] ? kobject_put+0xbb/0xd0
[ 212.289822][ T573] kobject_put+0xbb/0xd0
[ 212.289828][ T573] netdev_run_todo+0x5f0/0xc60
[ 212.289832][ T573] ? dev_ingress_queue_create+0x190/0x190
[ 212.289836][ T573] ? generic_xdp_install+0x410/0x410
[ 212.289841][ T573] ? vrf_dellink+0xff/0x150 [vrf]
[ 212.289847][ T573] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 212.289852][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.289860][ T573] rtnl_dellink+0x350/0xa30
[ 212.289865][ T573] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 212.289884][ T573] ? find_held_lock+0x2b/0x80
[ 212.289889][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.289895][ T573] ? find_held_lock+0x2b/0x80
[ 212.289898][ T573] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 212.289901][ T573] ? __lock_release+0x5d/0x170
[ 212.289905][ T573] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 212.289909][ T573] rtnetlink_rcv_msg+0x709/0xc00
[ 212.289912][ T573] ? rtnl_port_fill+0x850/0x850
[ 212.289915][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.289922][ T573] netlink_rcv_skb+0x121/0x340
[ 212.289927][ T573] ? rtnl_port_fill+0x850/0x850
[ 212.289930][ T573] ? netlink_ack+0xdd0/0xdd0
[ 212.289936][ T573] ? netlink_deliver_tap+0x13e/0x340
[ 212.289939][ T573] ? netlink_deliver_tap+0xc3/0x340
[ 212.289943][ T573] netlink_unicast+0x4aa/0x780
[ 212.289948][ T573] ? netlink_attachskb+0x810/0x810
[ 212.289951][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.289957][ T573] netlink_sendmsg+0x714/0xbd0
[ 212.289961][ T573] ? netlink_unicast+0x780/0x780
[ 212.289965][ T573] ? __import_iovec+0x230/0x3b0
[ 212.289973][ T573] ? netlink_unicast+0x780/0x780
[ 212.289976][ T573] ____sys_sendmsg+0x3dd/0x890
[ 212.289981][ T573] ? get_timestamp.constprop.0+0x380/0x380
[ 212.289984][ T573] ? __copy_msghdr+0x3c0/0x3c0
[ 212.289991][ T573] ___sys_sendmsg+0xed/0x170
[ 212.289994][ T573] ? kasan_record_aux_stack+0x8c/0xa0
[ 212.289997][ T573] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 212.290004][ T573] ? copy_msghdr_from_user+0x110/0x110
[ 212.290009][ T573] ? find_held_lock+0x2b/0x80
[ 212.290013][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.290019][ T573] ? find_held_lock+0x2b/0x80
[ 212.290022][ T573] ? __virt_addr_valid+0x22a/0x450
[ 212.290029][ T573] ? __lock_release+0x5d/0x170
[ 212.290038][ T573] __sys_sendmsg+0x10b/0x1a0
[ 212.290043][ T573] ? __call_rcu_common.constprop.0+0x318/0x630
[ 212.290049][ T573] ? __sys_sendmsg_sock+0x20/0x20
[ 212.290056][ T573] ? rcu_is_watching+0x12/0xb0
[ 212.290060][ T573] do_syscall_64+0xc1/0xfd0
[ 212.290066][ T573] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 212.290069][ T573] RIP: 0033:0x7fd1ec1301d7
[ 212.290075][ T573] 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
[ 212.290077][ T573] RSP: 002b:00007ffcd3a906f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 212.290081][ T573] RAX: ffffffffffffffda RBX: 00007ffcd3a90e20 RCX: 00007fd1ec1301d7
[ 212.290084][ T573] RDX: 0000000000000000 RSI: 00007ffcd3a90760 RDI: 0000000000000005
[ 212.290085][ T573] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 212.290087][ T573] R10: 00007fd1ec02cf60 R11: 0000000000000246 R12: 0000000000000002
[ 212.290089][ T573] R13: 00000000690df375 R14: 0000000000499600 R15: 0000000000000000
[ 212.290099][ T573]
[ 212.290101][ T573]
[ 212.304910][ T573] Allocated by task 404:
[ 212.305072][ T573] kasan_save_stack+0x24/0x40
[ 212.305254][ T573] kasan_save_track+0x14/0x30
[ 212.305419][ T573] __kasan_kmalloc+0x7b/0x90
[ 212.305736][ T573] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 212.305942][ T573] alloc_netdev_mqs+0x7d/0x1370
[ 212.306162][ T573] rtnl_create_link+0xa9e/0xe20
[ 212.306345][ T573] rtnl_newlink_create+0x203/0x770
[ 212.306628][ T573] __rtnl_newlink+0x231/0xa30
[ 212.306840][ T573] rtnl_newlink+0x693/0xa60
[ 212.307023][ T573] rtnetlink_rcv_msg+0x709/0xc00
[ 212.307221][ T573] netlink_rcv_skb+0x121/0x340
[ 212.307523][ T573] netlink_unicast+0x4aa/0x780
[ 212.307728][ T573] netlink_sendmsg+0x714/0xbd0
[ 212.307919][ T573] ____sys_sendmsg+0x3dd/0x890
[ 212.308125][ T573] ___sys_sendmsg+0xed/0x170
[ 212.308420][ T573] __sys_sendmsg+0x10b/0x1a0
[ 212.308623][ T573] do_syscall_64+0xc1/0xfd0
[ 212.308836][ T573] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 212.309078][ T573]
[ 212.309178][ T573] Freed by task 573:
[ 212.309332][ T573] kasan_save_stack+0x24/0x40
[ 212.309515][ T573] kasan_save_track+0x14/0x30
[ 212.309693][ T573] __kasan_save_free_info+0x3b/0x60
[ 212.309886][ T573] __kasan_slab_free+0x3f/0x60
[ 212.310072][ T573] kfree+0x21d/0x540
[ 212.310218][ T573] device_release+0x9c/0x210
[ 212.310502][ T573] kobject_cleanup+0xfe/0x360
[ 212.310694][ T573] netdev_run_todo+0x81f/0xc60
[ 212.310898][ T573] rtnl_dellink+0x350/0xa30
[ 212.311094][ T573] rtnetlink_rcv_msg+0x709/0xc00
[ 212.311274][ T573] netlink_rcv_skb+0x121/0x340
[ 212.311558][ T573] netlink_unicast+0x4aa/0x780
[ 212.311750][ T573] netlink_sendmsg+0x714/0xbd0
[ 212.311944][ T573] ____sys_sendmsg+0x3dd/0x890
[ 212.312134][ T573] ___sys_sendmsg+0xed/0x170
[ 212.312318][ T573] __sys_sendmsg+0x10b/0x1a0
[ 212.312493][ T573] do_syscall_64+0xc1/0xfd0
[ 212.312692][ T573] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 212.312930][ T573]
[ 212.313038][ T573] The buggy address belongs to the object at ffff888008bc1000
[ 212.313038][ T573] which belongs to the cache kmalloc-4k of size 4096
[ 212.313595][ T573] The buggy address is located 1708 bytes inside of
[ 212.313595][ T573] freed 4096-byte region [ffff888008bc1000, ffff888008bc2000)
[ 212.314192][ T573]
[ 212.314294][ T573] The buggy address belongs to the physical page:
[ 212.314526][ T573] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8bc0
[ 212.314962][ T573] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 212.315262][ T573] flags: 0x80000000000040(head|node=0|zone=1)
[ 212.315514][ T573] page_type: f5(slab)
[ 212.315668][ T573] raw: 0080000000000040 ffff888001043700 ffffea000037a810 ffffea0000093810
[ 212.316001][ T573] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 212.316336][ T573] head: 0080000000000040 ffff888001043700 ffffea000037a810 ffffea0000093810
[ 212.316792][ T573] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 212.317136][ T573] head: 0080000000000003 ffffea000022f001 00000000ffffffff 00000000ffffffff
[ 212.317492][ T573] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 212.317928][ T573] page dumped because: kasan: bad access detected
[ 212.318176][ T573]
[ 212.318373][ T573] Memory state around the buggy address:
[ 212.318560][ T573] ffff888008bc1580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 212.318848][ T573] ffff888008bc1600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 212.319127][ T573] >ffff888008bc1680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 212.319418][ T573] ^
[ 212.319599][ T573] ffff888008bc1700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 212.319906][ T573] ffff888008bc1780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 212.320167][ T573] ==================================================================
[ 212.320661][ T573] Disabling lock debugging due to kernel taint
[ 212.321009][ T573] ------------[ cut here ]------------
[ 212.321196][ T573] refcount_t: underflow; use-after-free.
[ 212.321425][ T573] WARNING: CPU: 0 PID: 573 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 212.322355][ T573] Modules linked in: act_gact cls_flower sch_ingress 8021q ip6_gre ip6_tunnel tunnel6 gre vrf veth
[ 212.322768][ T573] CPU: 0 UID: 0 PID: 573 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 212.323150][ T573] Tainted: [B]=BAD_PAGE
[ 212.323332][ T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 212.323562][ T573] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 212.323856][ T573] 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 05 8c 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
[ 212.324609][ T573] RSP: 0018:ffffc90000edf1f0 EFLAGS: 00010286
[ 212.324986][ T573] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 212.325301][ T573] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 212.325591][ T573] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff193e134
[ 212.325882][ T573] R10: 0000000000000003 R11: ffffc90000eded80 R12: 0000000000000001
[ 212.326293][ T573] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 212.326677][ T573] FS: 00007fd1ebf62800(0000) GS:ffff8880a27f2000(0000) knlGS:0000000000000000
[ 212.327011][ T573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 212.327259][ T573] CR2: 00000000004e7450 CR3: 00000000107f2006 CR4: 0000000000772ef0
[ 212.327562][ T573] PKRU: 55555554
[ 212.327700][ T573] Call Trace:
[ 212.327851][ T573]
[ 212.327954][ T573] netdev_run_todo+0x5f0/0xc60
[ 212.328149][ T573] ? dev_ingress_queue_create+0x190/0x190
[ 212.328374][ T573] ? generic_xdp_install+0x410/0x410
[ 212.328656][ T573] ? vrf_dellink+0xff/0x150 [vrf]
[ 212.328870][ T573] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 212.329117][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.329314][ T573] rtnl_dellink+0x350/0xa30
[ 212.329599][ T573] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 212.329871][ T573] ? find_held_lock+0x2b/0x80
[ 212.330097][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.330294][ T573] ? find_held_lock+0x2b/0x80
[ 212.330574][ T573] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 212.330798][ T573] ? __lock_release+0x5d/0x170
[ 212.331001][ T573] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 212.331268][ T573] rtnetlink_rcv_msg+0x709/0xc00
[ 212.331552][ T573] ? rtnl_port_fill+0x850/0x850
[ 212.331742][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.331941][ T573] netlink_rcv_skb+0x121/0x340
[ 212.332127][ T573] ? rtnl_port_fill+0x850/0x850
[ 212.332446][ T573] ? netlink_ack+0xdd0/0xdd0
[ 212.332638][ T573] ? netlink_deliver_tap+0x13e/0x340
[ 212.332827][ T573] ? netlink_deliver_tap+0xc3/0x340
[ 212.333018][ T573] netlink_unicast+0x4aa/0x780
[ 212.333327][ T573] ? netlink_attachskb+0x810/0x810
[ 212.333510][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.333700][ T573] netlink_sendmsg+0x714/0xbd0
[ 212.334005][ T573] ? netlink_unicast+0x780/0x780
[ 212.334211][ T573] ? __import_iovec+0x230/0x3b0
[ 212.334409][ T573] ? netlink_unicast+0x780/0x780
[ 212.334604][ T573] ____sys_sendmsg+0x3dd/0x890
[ 212.334914][ T573] ? get_timestamp.constprop.0+0x380/0x380
[ 212.335153][ T573] ? __copy_msghdr+0x3c0/0x3c0
[ 212.335444][ T573] ___sys_sendmsg+0xed/0x170
[ 212.335630][ T573] ? kasan_record_aux_stack+0x8c/0xa0
[ 212.335837][ T573] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 212.336083][ T573] ? copy_msghdr_from_user+0x110/0x110
[ 212.336294][ T573] ? find_held_lock+0x2b/0x80
[ 212.336485][ T573] ? __lock_acquire+0x449/0x7e0
[ 212.336670][ T573] ? find_held_lock+0x2b/0x80
[ 212.336874][ T573] ? __virt_addr_valid+0x22a/0x450
[ 212.337064][ T573] ? __lock_release+0x5d/0x170
[ 212.337290][ T573] __sys_sendmsg+0x10b/0x1a0
[ 212.337600][ T573] ? __call_rcu_common.constprop.0+0x318/0x630
[ 212.337844][ T573] ? __sys_sendmsg_sock+0x20/0x20
[ 212.338050][ T573] ? rcu_is_watching+0x12/0xb0
[ 212.338267][ T573] do_syscall_64+0xc1/0xfd0
[ 212.338549][ T573] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 212.338793][ T573] RIP: 0033:0x7fd1ec1301d7
[ 212.339011][ T573] 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
[ 212.339814][ T573] RSP: 002b:00007ffcd3a906f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 212.340107][ T573] RAX: ffffffffffffffda RBX: 00007ffcd3a90e20 RCX: 00007fd1ec1301d7
[ 212.340511][ T573] RDX: 0000000000000000 RSI: 00007ffcd3a90760 RDI: 0000000000000005
[ 212.340811][ T573] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 212.341210][ T573] R10: 00007fd1ec02cf60 R11: 0000000000000246 R12: 0000000000000002
[ 212.341517][ T573] R13: 00000000690df375 R14: 0000000000499600 R15: 0000000000000000
[ 212.341811][ T573]
[ 212.342058][ T573] irq event stamp: 37291
[ 212.342232][ T573] hardirqs last enabled at (37291): [] __schedule+0x13c7/0x1b10
[ 212.342564][ T573] hardirqs last disabled at (37290): [] __schedule+0x94a/0x1b10
[ 212.343015][ T573] softirqs last enabled at (37230): [] handle_softirqs+0x352/0x610
[ 212.343348][ T573] softirqs last disabled at (37223): [] irq_exit_rcu+0xab/0x100
[ 212.343658][ T573] ---[ end trace 0000000000000000 ]---