[ 29.974438][ T370] GACT probability NOT on
[ 34.802170][ T434] ==================================================================
[ 34.802469][ T434] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 34.802741][ T434] Read of size 1 at addr ffff8880096096ac by task ip/434
[ 34.802946][ T434]
[ 34.803035][ T434] CPU: 2 UID: 0 PID: 434 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 34.803041][ T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.803044][ T434] Call Trace:
[ 34.803046][ T434]
[ 34.803048][ T434] dump_stack_lvl+0x82/0xc0
[ 34.803055][ T434] print_address_description.constprop.0+0x2c/0x3a0
[ 34.803062][ T434] ? kobject_put+0xbb/0xd0
[ 34.803066][ T434] print_report+0xb4/0x270
[ 34.803069][ T434] ? kobject_put+0xbb/0xd0
[ 34.803072][ T434] ? kasan_addr_to_slab+0x21/0x70
[ 34.803075][ T434] ? kobject_put+0xbb/0xd0
[ 34.803079][ T434] kasan_report+0xca/0x100
[ 34.803082][ T434] ? kobject_put+0xbb/0xd0
[ 34.803088][ T434] kobject_put+0xbb/0xd0
[ 34.803091][ T434] netdev_run_todo+0x5f0/0xc60
[ 34.803097][ T434] ? dev_ingress_queue_create+0x190/0x190
[ 34.803100][ T434] ? generic_xdp_install+0x410/0x410
[ 34.803105][ T434] ? vrf_dellink+0xff/0x150 [vrf]
[ 34.803112][ T434] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 34.803117][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.803127][ T434] rtnl_dellink+0x350/0xa30
[ 34.803136][ T434] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.803163][ T434] ? find_held_lock+0x2b/0x80
[ 34.803168][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.803174][ T434] ? find_held_lock+0x2b/0x80
[ 34.803178][ T434] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 34.803181][ T434] ? __lock_release+0x5d/0x170
[ 34.803186][ T434] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.803189][ T434] rtnetlink_rcv_msg+0x709/0xc00
[ 34.803193][ T434] ? rtnl_port_fill+0x850/0x850
[ 34.803196][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.803203][ T434] netlink_rcv_skb+0x121/0x340
[ 34.803208][ T434] ? rtnl_port_fill+0x850/0x850
[ 34.803212][ T434] ? netlink_ack+0xdd0/0xdd0
[ 34.803218][ T434] ? netlink_deliver_tap+0x13e/0x340
[ 34.803221][ T434] ? netlink_deliver_tap+0xc3/0x340
[ 34.803225][ T434] netlink_unicast+0x4aa/0x780
[ 34.803230][ T434] ? netlink_attachskb+0x810/0x810
[ 34.803233][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.803239][ T434] netlink_sendmsg+0x714/0xbd0
[ 34.803243][ T434] ? netlink_unicast+0x780/0x780
[ 34.803247][ T434] ? __import_iovec+0x230/0x3b0
[ 34.803254][ T434] ? netlink_unicast+0x780/0x780
[ 34.803257][ T434] ____sys_sendmsg+0x3dd/0x890
[ 34.803264][ T434] ? get_timestamp.constprop.0+0x380/0x380
[ 34.803267][ T434] ? __copy_msghdr+0x3c0/0x3c0
[ 34.803276][ T434] ___sys_sendmsg+0xed/0x170
[ 34.803279][ T434] ? kasan_record_aux_stack+0x8c/0xa0
[ 34.803282][ T434] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 34.803290][ T434] ? copy_msghdr_from_user+0x110/0x110
[ 34.803295][ T434] ? find_held_lock+0x2b/0x80
[ 34.803299][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.803305][ T434] ? find_held_lock+0x2b/0x80
[ 34.803309][ T434] ? __virt_addr_valid+0x22a/0x450
[ 34.803313][ T434] ? __lock_release+0x5d/0x170
[ 34.803319][ T434] __sys_sendmsg+0x10b/0x1a0
[ 34.803322][ T434] ? __call_rcu_common.constprop.0+0x318/0x630
[ 34.803326][ T434] ? __sys_sendmsg_sock+0x20/0x20
[ 34.803334][ T434] ? rcu_is_watching+0x12/0xb0
[ 34.803338][ T434] do_syscall_64+0xc1/0xfd0
[ 34.803343][ T434] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.803347][ T434] RIP: 0033:0x7f7ddda8d1d7
[ 34.803353][ T434] 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
[ 34.803356][ T434] RSP: 002b:00007fffd6def158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 34.803360][ T434] RAX: ffffffffffffffda RBX: 00007fffd6def880 RCX: 00007f7ddda8d1d7
[ 34.803363][ T434] RDX: 0000000000000000 RSI: 00007fffd6def1c0 RDI: 0000000000000005
[ 34.803365][ T434] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 34.803367][ T434] R10: 00007f7ddd989f60 R11: 0000000000000246 R12: 0000000000000002
[ 34.803368][ T434] R13: 00000000690dfaf5 R14: 0000000000499600 R15: 0000000000000000
[ 34.803375][ T434]
[ 34.803376][ T434]
[ 34.816047][ T434] Allocated by task 342:
[ 34.816203][ T434] kasan_save_stack+0x24/0x40
[ 34.816381][ T434] kasan_save_track+0x14/0x30
[ 34.816545][ T434] __kasan_kmalloc+0x7b/0x90
[ 34.816721][ T434] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 34.816890][ T434] alloc_netdev_mqs+0x7d/0x1370
[ 34.817059][ T434] rtnl_create_link+0xa9e/0xe20
[ 34.817256][ T434] rtnl_newlink_create+0x203/0x770
[ 34.817427][ T434] __rtnl_newlink+0x231/0xa30
[ 34.817596][ T434] rtnl_newlink+0x693/0xa60
[ 34.817770][ T434] rtnetlink_rcv_msg+0x709/0xc00
[ 34.817942][ T434] netlink_rcv_skb+0x121/0x340
[ 34.818107][ T434] netlink_unicast+0x4aa/0x780
[ 34.818289][ T434] netlink_sendmsg+0x714/0xbd0
[ 34.818453][ T434] ____sys_sendmsg+0x3dd/0x890
[ 34.818624][ T434] ___sys_sendmsg+0xed/0x170
[ 34.818798][ T434] __sys_sendmsg+0x10b/0x1a0
[ 34.818979][ T434] do_syscall_64+0xc1/0xfd0
[ 34.819154][ T434] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.819370][ T434]
[ 34.819475][ T434] Freed by task 434:
[ 34.819600][ T434] kasan_save_stack+0x24/0x40
[ 34.819780][ T434] kasan_save_track+0x14/0x30
[ 34.819948][ T434] __kasan_save_free_info+0x3b/0x60
[ 34.820117][ T434] __kasan_slab_free+0x3f/0x60
[ 34.820304][ T434] kfree+0x21d/0x540
[ 34.820435][ T434] device_release+0x9c/0x210
[ 34.820602][ T434] kobject_cleanup+0xfe/0x360
[ 34.820782][ T434] netdev_run_todo+0x81f/0xc60
[ 34.820948][ T434] rtnl_dellink+0x350/0xa30
[ 34.821114][ T434] rtnetlink_rcv_msg+0x709/0xc00
[ 34.821295][ T434] netlink_rcv_skb+0x121/0x340
[ 34.821466][ T434] netlink_unicast+0x4aa/0x780
[ 34.821652][ T434] netlink_sendmsg+0x714/0xbd0
[ 34.821830][ T434] ____sys_sendmsg+0x3dd/0x890
[ 34.821996][ T434] ___sys_sendmsg+0xed/0x170
[ 34.822175][ T434] __sys_sendmsg+0x10b/0x1a0
[ 34.822356][ T434] do_syscall_64+0xc1/0xfd0
[ 34.822627][ T434] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.822842][ T434]
[ 34.822929][ T434] The buggy address belongs to the object at ffff888009609000
[ 34.822929][ T434] which belongs to the cache kmalloc-4k of size 4096
[ 34.823459][ T434] The buggy address is located 1708 bytes inside of
[ 34.823459][ T434] freed 4096-byte region [ffff888009609000, ffff88800960a000)
[ 34.823960][ T434]
[ 34.824148][ T434] The buggy address belongs to the physical page:
[ 34.824351][ T434] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x9608
[ 34.824666][ T434] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 34.824928][ T434] flags: 0x80000000000040(head|node=0|zone=1)
[ 34.825150][ T434] page_type: f5(slab)
[ 34.825286][ T434] raw: 0080000000000040 ffff888001043700 ffffea00001e9010 ffffea000029b210
[ 34.825711][ T434] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 34.826113][ T434] head: 0080000000000040 ffff888001043700 ffffea00001e9010 ffffea000029b210
[ 34.826535][ T434] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 34.826832][ T434] head: 0080000000000003 ffffea0000258201 00000000ffffffff 00000000ffffffff
[ 34.827122][ T434] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 34.827537][ T434] page dumped because: kasan: bad access detected
[ 34.827750][ T434]
[ 34.827832][ T434] Memory state around the buggy address:
[ 34.828082][ T434] ffff888009609580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.828343][ T434] ffff888009609600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.828588][ T434] >ffff888009609680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.828933][ T434] ^
[ 34.829094][ T434] ffff888009609700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.829342][ T434] ffff888009609780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 34.829605][ T434] ==================================================================
[ 34.830389][ T434] Disabling lock debugging due to kernel taint
[ 34.831161][ T434] ------------[ cut here ]------------
[ 34.831349][ T434] refcount_t: underflow; use-after-free.
[ 34.831575][ T434] WARNING: CPU: 2 PID: 434 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 34.831905][ T434] Modules linked in: act_tunnel_key cls_matchall act_gact cls_flower sch_ingress vxlan ip6_udp_tunnel udp_tunnel vrf veth
[ 34.832333][ T434] CPU: 2 UID: 0 PID: 434 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 34.832718][ T434] Tainted: [B]=BAD_PAGE
[ 34.832868][ T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 34.833094][ T434] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 34.833348][ T434] 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 85 96 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
[ 34.833974][ T434] RSP: 0018:ffffc900007b71f0 EFLAGS: 00010286
[ 34.834216][ T434] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 34.834507][ T434] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 34.834782][ T434] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff2e3e134
[ 34.835176][ T434] R10: 0000000000000003 R11: ffffc900007b6d80 R12: 0000000000000001
[ 34.835444][ T434] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 34.835841][ T434] FS: 00007f7ddd8bf800(0000) GS:ffff88809dcf2000(0000) knlGS:0000000000000000
[ 34.836152][ T434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.836381][ T434] CR2: 00000000004e73d8 CR3: 000000000f2f5003 CR4: 0000000000772ef0
[ 34.836767][ T434] PKRU: 55555554
[ 34.836914][ T434] Call Trace:
[ 34.837058][ T434]
[ 34.837179][ T434] netdev_run_todo+0x5f0/0xc60
[ 34.837376][ T434] ? dev_ingress_queue_create+0x190/0x190
[ 34.837670][ T434] ? generic_xdp_install+0x410/0x410
[ 34.837871][ T434] ? vrf_dellink+0xff/0x150 [vrf]
[ 34.838058][ T434] ? vrf_map_unregister_dev+0x480/0x480 [vrf]
[ 34.838290][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.838585][ T434] rtnl_dellink+0x350/0xa30
[ 34.838781][ T434] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.839024][ T434] ? find_held_lock+0x2b/0x80
[ 34.839225][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.839530][ T434] ? find_held_lock+0x2b/0x80
[ 34.839726][ T434] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 34.839909][ T434] ? __lock_release+0x5d/0x170
[ 34.840093][ T434] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 34.840420][ T434] rtnetlink_rcv_msg+0x709/0xc00
[ 34.840620][ T434] ? rtnl_port_fill+0x850/0x850
[ 34.840813][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.841096][ T434] netlink_rcv_skb+0x121/0x340
[ 34.841293][ T434] ? rtnl_port_fill+0x850/0x850
[ 34.841473][ T434] ? netlink_ack+0xdd0/0xdd0
[ 34.841666][ T434] ? netlink_deliver_tap+0x13e/0x340
[ 34.841951][ T434] ? netlink_deliver_tap+0xc3/0x340
[ 34.842140][ T434] netlink_unicast+0x4aa/0x780
[ 34.842325][ T434] ? netlink_attachskb+0x810/0x810
[ 34.842515][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.842809][ T434] netlink_sendmsg+0x714/0xbd0
[ 34.842994][ T434] ? netlink_unicast+0x780/0x780
[ 34.843183][ T434] ? __import_iovec+0x230/0x3b0
[ 34.843368][ T434] ? netlink_unicast+0x780/0x780
[ 34.843559][ T434] ____sys_sendmsg+0x3dd/0x890
[ 34.843768][ T434] ? get_timestamp.constprop.0+0x380/0x380
[ 34.843991][ T434] ? __copy_msghdr+0x3c0/0x3c0
[ 34.844190][ T434] ___sys_sendmsg+0xed/0x170
[ 34.844471][ T434] ? kasan_record_aux_stack+0x8c/0xa0
[ 34.844670][ T434] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 34.844906][ T434] ? copy_msghdr_from_user+0x110/0x110
[ 34.845089][ T434] ? find_held_lock+0x2b/0x80
[ 34.845291][ T434] ? __lock_acquire+0x449/0x7e0
[ 34.845476][ T434] ? find_held_lock+0x2b/0x80
[ 34.845669][ T434] ? __virt_addr_valid+0x22a/0x450
[ 34.845863][ T434] ? __lock_release+0x5d/0x170
[ 34.846148][ T434] __sys_sendmsg+0x10b/0x1a0
[ 34.846336][ T434] ? __call_rcu_common.constprop.0+0x318/0x630
[ 34.846569][ T434] ? __sys_sendmsg_sock+0x20/0x20
[ 34.846767][ T434] ? rcu_is_watching+0x12/0xb0
[ 34.847046][ T434] do_syscall_64+0xc1/0xfd0
[ 34.847247][ T434] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 34.847466][ T434] RIP: 0033:0x7f7ddda8d1d7
[ 34.847780][ T434] 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
[ 34.848391][ T434] RSP: 002b:00007fffd6def158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 34.848775][ T434] RAX: ffffffffffffffda RBX: 00007fffd6def880 RCX: 00007f7ddda8d1d7
[ 34.849041][ T434] RDX: 0000000000000000 RSI: 00007fffd6def1c0 RDI: 0000000000000005
[ 34.849420][ T434] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 34.849704][ T434] R10: 00007f7ddd989f60 R11: 0000000000000246 R12: 0000000000000002
[ 34.849968][ T434] R13: 00000000690dfaf5 R14: 0000000000499600 R15: 0000000000000000
[ 34.850346][ T434]
[ 34.850492][ T434] irq event stamp: 43857
[ 34.850644][ T434] hardirqs last enabled at (43857): [] finish_task_switch.isra.0+0x245/0x960
[ 34.851089][ T434] hardirqs last disabled at (43856): [] __schedule+0x94a/0x1b10
[ 34.851408][ T434] softirqs last enabled at (43160): [] handle_softirqs+0x352/0x610
[ 34.851726][ T434] softirqs last disabled at (43155): [] irq_exit_rcu+0xab/0x100
[ 34.852120][ T434] ---[ end trace 0000000000000000 ]---