[ 15.489060][ T251] ip (251) used greatest stack depth: 24096 bytes left
[ 25.135780][ T308] GACT probability NOT on
[ 45.380998][ T631] 8021q: 802.1Q VLAN Support v1.8
[ 47.473597][ T654] ==================================================================
[ 47.473941][ T654] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 47.474212][ T654] Read of size 1 at addr ffff888004b046ac by task ip/654
[ 47.474413][ T654]
[ 47.474511][ T654] CPU: 2 UID: 0 PID: 654 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 47.474518][ T654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.474526][ T654] Call Trace:
[ 47.474529][ T654]
[ 47.474531][ T654] dump_stack_lvl+0x82/0xc0
[ 47.474539][ T654] print_address_description.constprop.0+0x2c/0x3a0
[ 47.474549][ T654] ? kobject_put+0xbb/0xd0
[ 47.474553][ T654] print_report+0xb4/0x270
[ 47.474556][ T654] ? kobject_put+0xbb/0xd0
[ 47.474559][ T654] ? kasan_addr_to_slab+0x21/0x70
[ 47.474562][ T654] ? kobject_put+0xbb/0xd0
[ 47.474566][ T654] kasan_report+0xca/0x100
[ 47.474569][ T654] ? kobject_put+0xbb/0xd0
[ 47.474575][ T654] kobject_put+0xbb/0xd0
[ 47.474578][ T654] netdev_run_todo+0x5f0/0xc60
[ 47.474585][ T654] ? dev_ingress_queue_create+0x190/0x190
[ 47.474588][ T654] ? generic_xdp_install+0x410/0x410
[ 47.474592][ T654] ? lockdep_hardirqs_on+0x7c/0x110
[ 47.474603][ T654] rtnl_dellink+0x350/0xa30
[ 47.474610][ T654] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.474629][ T654] ? find_held_lock+0x2b/0x80
[ 47.474640][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.474646][ T654] ? find_held_lock+0x2b/0x80
[ 47.474650][ T654] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 47.474652][ T654] ? __lock_release+0x5d/0x170
[ 47.474659][ T654] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.474662][ T654] rtnetlink_rcv_msg+0x709/0xc00
[ 47.474666][ T654] ? rtnl_port_fill+0x850/0x850
[ 47.474669][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.474675][ T654] netlink_rcv_skb+0x121/0x340
[ 47.474682][ T654] ? rtnl_port_fill+0x850/0x850
[ 47.474686][ T654] ? netlink_ack+0xdd0/0xdd0
[ 47.474693][ T654] ? netlink_deliver_tap+0x13e/0x340
[ 47.474696][ T654] ? netlink_deliver_tap+0xc3/0x340
[ 47.474700][ T654] netlink_unicast+0x4aa/0x780
[ 47.474704][ T654] ? netlink_attachskb+0x810/0x810
[ 47.474708][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.474714][ T654] netlink_sendmsg+0x714/0xbd0
[ 47.474718][ T654] ? netlink_unicast+0x780/0x780
[ 47.474722][ T654] ? __import_iovec+0x230/0x3b0
[ 47.474730][ T654] ? netlink_unicast+0x780/0x780
[ 47.474734][ T654] ____sys_sendmsg+0x3dd/0x890
[ 47.474743][ T654] ? get_timestamp.constprop.0+0x380/0x380
[ 47.474746][ T654] ? __copy_msghdr+0x3c0/0x3c0
[ 47.474755][ T654] ___sys_sendmsg+0xed/0x170
[ 47.474758][ T654] ? kasan_record_aux_stack+0x8c/0xa0
[ 47.474761][ T654] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 47.474771][ T654] ? copy_msghdr_from_user+0x110/0x110
[ 47.474776][ T654] ? find_held_lock+0x2b/0x80
[ 47.474780][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.474785][ T654] ? find_held_lock+0x2b/0x80
[ 47.474789][ T654] ? __virt_addr_valid+0x22a/0x450
[ 47.474799][ T654] ? __lock_release+0x5d/0x170
[ 47.474806][ T654] __sys_sendmsg+0x10b/0x1a0
[ 47.474809][ T654] ? __call_rcu_common.constprop.0+0x318/0x630
[ 47.474813][ T654] ? __sys_sendmsg_sock+0x20/0x20
[ 47.474820][ T654] ? rcu_is_watching+0x12/0xb0
[ 47.474824][ T654] do_syscall_64+0xc1/0xfd0
[ 47.474830][ T654] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.474839][ T654] RIP: 0033:0x7ffb14adb1d7
[ 47.474844][ T654] 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
[ 47.474848][ T654] RSP: 002b:00007ffe3ec6e7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 47.474854][ T654] RAX: ffffffffffffffda RBX: 00007ffe3ec6eef0 RCX: 00007ffb14adb1d7
[ 47.474857][ T654] RDX: 0000000000000000 RSI: 00007ffe3ec6e830 RDI: 0000000000000005
[ 47.474858][ T654] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 47.474860][ T654] R10: 00007ffb149d7f60 R11: 0000000000000246 R12: 0000000000000002
[ 47.474862][ T654] R13: 00000000690df645 R14: 0000000000499600 R15: 0000000000000000
[ 47.474868][ T654]
[ 47.474869][ T654]
[ 47.487021][ T654] Allocated by task 630:
[ 47.487150][ T654] kasan_save_stack+0x24/0x40
[ 47.487318][ T654] kasan_save_track+0x14/0x30
[ 47.487502][ T654] __kasan_kmalloc+0x7b/0x90
[ 47.487670][ T654] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 47.487837][ T654] alloc_netdev_mqs+0x7d/0x1370
[ 47.488022][ T654] rtnl_create_link+0xa9e/0xe20
[ 47.488185][ T654] rtnl_newlink_create+0x203/0x770
[ 47.488344][ T654] __rtnl_newlink+0x231/0xa30
[ 47.488506][ T654] rtnl_newlink+0x693/0xa60
[ 47.488672][ T654] rtnetlink_rcv_msg+0x709/0xc00
[ 47.488832][ T654] netlink_rcv_skb+0x121/0x340
[ 47.489007][ T654] netlink_unicast+0x4aa/0x780
[ 47.489168][ T654] netlink_sendmsg+0x714/0xbd0
[ 47.489330][ T654] ____sys_sendmsg+0x3dd/0x890
[ 47.489498][ T654] ___sys_sendmsg+0xed/0x170
[ 47.489659][ T654] __sys_sendmsg+0x10b/0x1a0
[ 47.489822][ T654] do_syscall_64+0xc1/0xfd0
[ 47.489994][ T654] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.490207][ T654]
[ 47.490294][ T654] Freed by task 654:
[ 47.490416][ T654] kasan_save_stack+0x24/0x40
[ 47.490580][ T654] kasan_save_track+0x14/0x30
[ 47.490744][ T654] __kasan_save_free_info+0x3b/0x60
[ 47.490912][ T654] __kasan_slab_free+0x3f/0x60
[ 47.491072][ T654] kfree+0x21d/0x540
[ 47.491196][ T654] device_release+0x9c/0x210
[ 47.491365][ T654] kobject_cleanup+0xfe/0x360
[ 47.491529][ T654] netdev_run_todo+0x81f/0xc60
[ 47.491690][ T654] rtnl_dellink+0x350/0xa30
[ 47.491850][ T654] rtnetlink_rcv_msg+0x709/0xc00
[ 47.492013][ T654] netlink_rcv_skb+0x121/0x340
[ 47.492175][ T654] netlink_unicast+0x4aa/0x780
[ 47.492334][ T654] netlink_sendmsg+0x714/0xbd0
[ 47.492495][ T654] ____sys_sendmsg+0x3dd/0x890
[ 47.492660][ T654] ___sys_sendmsg+0xed/0x170
[ 47.492824][ T654] __sys_sendmsg+0x10b/0x1a0
[ 47.492985][ T654] do_syscall_64+0xc1/0xfd0
[ 47.493145][ T654] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.493351][ T654]
[ 47.493438][ T654] The buggy address belongs to the object at ffff888004b04000
[ 47.493438][ T654] which belongs to the cache kmalloc-4k of size 4096
[ 47.493828][ T654] The buggy address is located 1708 bytes inside of
[ 47.493828][ T654] freed 4096-byte region [ffff888004b04000, ffff888004b05000)
[ 47.494224][ T654]
[ 47.494310][ T654] The buggy address belongs to the physical page:
[ 47.494510][ T654] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x4b00
[ 47.494803][ T654] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 47.495050][ T654] flags: 0x80000000000040(head|node=0|zone=1)
[ 47.495269][ T654] page_type: f5(slab)
[ 47.495397][ T654] raw: 0080000000000040 ffff888001043700 ffffea00001bbc10 ffffea00001be810
[ 47.495695][ T654] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 47.495980][ T654] head: 0080000000000040 ffff888001043700 ffffea00001bbc10 ffffea00001be810
[ 47.496271][ T654] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 47.496633][ T654] head: 0080000000000003 ffffea000012c001 00000000ffffffff 00000000ffffffff
[ 47.496946][ T654] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 47.497271][ T654] page dumped because: kasan: bad access detected
[ 47.497505][ T654]
[ 47.497599][ T654] Memory state around the buggy address:
[ 47.497776][ T654] ffff888004b04580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.498038][ T654] ffff888004b04600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.498309][ T654] >ffff888004b04680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.498585][ T654] ^
[ 47.498756][ T654] ffff888004b04700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.499010][ T654] ffff888004b04780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 47.499271][ T654] ==================================================================
[ 47.499758][ T654] Disabling lock debugging due to kernel taint
[ 47.500016][ T654] ------------[ cut here ]------------
[ 47.500289][ T654] refcount_t: underflow; use-after-free.
[ 47.500685][ T654] WARNING: CPU: 1 PID: 654 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 47.501121][ T654] Modules linked in: 8021q act_gact cls_flower sch_ingress vrf veth
[ 47.501415][ T654] CPU: 1 UID: 0 PID: 654 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 47.501760][ T654] Tainted: [B]=BAD_PAGE
[ 47.501881][ T654] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 47.502085][ T654] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 47.502309][ T654] 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 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
[ 47.502902][ T654] RSP: 0018:ffffc900005471f0 EFLAGS: 00010286
[ 47.503105][ T654] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 47.503393][ T654] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 47.503662][ T654] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff293e134
[ 47.503940][ T654] R10: 0000000000000003 R11: ffffc90000546d80 R12: 0000000000000001
[ 47.504221][ T654] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 47.504485][ T654] FS: 00007ffb1490d800(0000) GS:ffff8880a0472000(0000) knlGS:0000000000000000
[ 47.504805][ T654] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 47.505027][ T654] CR2: 000055a679499720 CR3: 000000000e786002 CR4: 0000000000772ef0
[ 47.505401][ T654] PKRU: 55555554
[ 47.505618][ T654] Call Trace:
[ 47.505852][ T654]
[ 47.506006][ T654] netdev_run_todo+0x5f0/0xc60
[ 47.506311][ T654] ? dev_ingress_queue_create+0x190/0x190
[ 47.506604][ T654] ? generic_xdp_install+0x410/0x410
[ 47.506897][ T654] ? lockdep_hardirqs_on+0x7c/0x110
[ 47.507188][ T654] rtnl_dellink+0x350/0xa30
[ 47.507472][ T654] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.507854][ T654] ? find_held_lock+0x2b/0x80
[ 47.508151][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.508444][ T654] ? find_held_lock+0x2b/0x80
[ 47.508736][ T654] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 47.509020][ T654] ? __lock_release+0x5d/0x170
[ 47.509306][ T654] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 47.509659][ T654] rtnetlink_rcv_msg+0x709/0xc00
[ 47.509956][ T654] ? rtnl_port_fill+0x850/0x850
[ 47.510247][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.510533][ T654] netlink_rcv_skb+0x121/0x340
[ 47.510806][ T654] ? rtnl_port_fill+0x850/0x850
[ 47.511084][ T654] ? netlink_ack+0xdd0/0xdd0
[ 47.511369][ T654] ? netlink_deliver_tap+0x13e/0x340
[ 47.511603][ T654] ? netlink_deliver_tap+0xc3/0x340
[ 47.511792][ T654] netlink_unicast+0x4aa/0x780
[ 47.511969][ T654] ? netlink_attachskb+0x810/0x810
[ 47.512167][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.512346][ T654] netlink_sendmsg+0x714/0xbd0
[ 47.512524][ T654] ? netlink_unicast+0x780/0x780
[ 47.512697][ T654] ? __import_iovec+0x230/0x3b0
[ 47.512881][ T654] ? netlink_unicast+0x780/0x780
[ 47.513057][ T654] ____sys_sendmsg+0x3dd/0x890
[ 47.513246][ T654] ? get_timestamp.constprop.0+0x380/0x380
[ 47.513465][ T654] ? __copy_msghdr+0x3c0/0x3c0
[ 47.513648][ T654] ___sys_sendmsg+0xed/0x170
[ 47.513826][ T654] ? kasan_record_aux_stack+0x8c/0xa0
[ 47.514001][ T654] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 47.514225][ T654] ? copy_msghdr_from_user+0x110/0x110
[ 47.514403][ T654] ? find_held_lock+0x2b/0x80
[ 47.514577][ T654] ? __lock_acquire+0x449/0x7e0
[ 47.514760][ T654] ? find_held_lock+0x2b/0x80
[ 47.514938][ T654] ? __virt_addr_valid+0x22a/0x450
[ 47.515123][ T654] ? __lock_release+0x5d/0x170
[ 47.515413][ T654] __sys_sendmsg+0x10b/0x1a0
[ 47.515698][ T654] ? __call_rcu_common.constprop.0+0x318/0x630
[ 47.516062][ T654] ? __sys_sendmsg_sock+0x20/0x20
[ 47.516364][ T654] ? rcu_is_watching+0x12/0xb0
[ 47.516639][ T654] do_syscall_64+0xc1/0xfd0
[ 47.516824][ T654] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 47.517049][ T654] RIP: 0033:0x7ffb14adb1d7
[ 47.517263][ T654] 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
[ 47.517893][ T654] RSP: 002b:00007ffe3ec6e7c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 47.518178][ T654] RAX: ffffffffffffffda RBX: 00007ffe3ec6eef0 RCX: 00007ffb14adb1d7
[ 47.518443][ T654] RDX: 0000000000000000 RSI: 00007ffe3ec6e830 RDI: 0000000000000005
[ 47.518710][ T654] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 47.518980][ T654] R10: 00007ffb149d7f60 R11: 0000000000000246 R12: 0000000000000002
[ 47.519261][ T654] R13: 00000000690df645 R14: 0000000000499600 R15: 0000000000000000
[ 47.519526][ T654]
[ 47.519666][ T654] irq event stamp: 39215
[ 47.519822][ T654] hardirqs last enabled at (39215): [] kasan_quarantine_put+0xf9/0x210
[ 47.520148][ T654] hardirqs last disabled at (39214): [] kasan_quarantine_put+0xac/0x210
[ 47.520513][ T654] softirqs last enabled at (38798): [] handle_softirqs+0x352/0x610
[ 47.520930][ T654] softirqs last disabled at (38791): [] irq_exit_rcu+0xab/0x100
[ 47.521240][ T654] ---[ end trace 0000000000000000 ]---
[ 78.609077][ T1452] gre: GRE over IPv4 demultiplexer driver
[ 78.619958][ T1452] ip_gre: GRE over IPv4 tunneling driver