[ 16.199455][ T265] ip (265) used greatest stack depth: 24320 bytes left
[ 18.645427][ T296] Mirror/redirect action on
[ 18.678778][ T294] tc (294) used greatest stack depth: 24080 bytes left
[ 22.948142][ T305] ==================================================================
[ 22.948469][ T305] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 22.948753][ T305] Read of size 1 at addr ffff8880079316c4 by task ip/305
[ 22.948985][ T305]
[ 22.949091][ T305] CPU: 0 UID: 0 PID: 305 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 22.949096][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.949101][ T305] Call Trace:
[ 22.949104][ T305]
[ 22.949106][ T305] dump_stack_lvl+0x82/0xc0
[ 22.949112][ T305] print_address_description.constprop.0+0x2c/0x3a0
[ 22.949124][ T305] ? kobject_put+0xbb/0xd0
[ 22.949128][ T305] print_report+0xb4/0x270
[ 22.949131][ T305] ? kobject_put+0xbb/0xd0
[ 22.949135][ T305] ? kasan_addr_to_slab+0x21/0x70
[ 22.949138][ T305] ? kobject_put+0xbb/0xd0
[ 22.949141][ T305] kasan_report+0xca/0x100
[ 22.949145][ T305] ? kobject_put+0xbb/0xd0
[ 22.949151][ T305] kobject_put+0xbb/0xd0
[ 22.949154][ T305] netdev_run_todo+0x5f0/0xc60
[ 22.949161][ T305] ? dev_ingress_queue_create+0x190/0x190
[ 22.949165][ T305] ? generic_xdp_install+0x410/0x410
[ 22.949169][ T305] ? unregister_netdevice_many+0x20/0x20
[ 22.949175][ T305] rtnl_dellink+0x350/0xa30
[ 22.949181][ T305] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 22.949201][ T305] ? find_held_lock+0x2b/0x80
[ 22.949212][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.949221][ T305] ? find_held_lock+0x2b/0x80
[ 22.949227][ T305] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 22.949230][ T305] ? __lock_release+0x5d/0x170
[ 22.949234][ T305] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 22.949238][ T305] rtnetlink_rcv_msg+0x709/0xc00
[ 22.949242][ T305] ? rtnl_port_fill+0x890/0x890
[ 22.949245][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.949252][ T305] netlink_rcv_skb+0x121/0x340
[ 22.949257][ T305] ? rtnl_port_fill+0x890/0x890
[ 22.949261][ T305] ? netlink_ack+0xdf0/0xdf0
[ 22.949268][ T305] ? netlink_deliver_tap+0x13e/0x340
[ 22.949271][ T305] ? netlink_deliver_tap+0xc3/0x340
[ 22.949274][ T305] netlink_unicast+0x4aa/0x780
[ 22.949278][ T305] ? netlink_attachskb+0x810/0x810
[ 22.949282][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.949287][ T305] netlink_sendmsg+0x714/0xbd0
[ 22.949291][ T305] ? netlink_unicast+0x780/0x780
[ 22.949294][ T305] ? __import_iovec+0x230/0x3b0
[ 22.949306][ T305] ? netlink_unicast+0x780/0x780
[ 22.949309][ T305] ____sys_sendmsg+0x3dd/0x890
[ 22.949313][ T305] ? get_timestamp.constprop.0+0x370/0x370
[ 22.949316][ T305] ? __copy_msghdr+0x3c0/0x3c0
[ 22.949323][ T305] ___sys_sendmsg+0xed/0x170
[ 22.949326][ T305] ? kasan_record_aux_stack+0x8c/0xa0
[ 22.949330][ T305] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 22.949335][ T305] ? copy_msghdr_from_user+0x110/0x110
[ 22.949340][ T305] ? find_held_lock+0x2b/0x80
[ 22.949344][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.949349][ T305] ? find_held_lock+0x2b/0x80
[ 22.949353][ T305] ? __virt_addr_valid+0x22a/0x450
[ 22.949364][ T305] ? __lock_release+0x5d/0x170
[ 22.949370][ T305] __sys_sendmsg+0x10b/0x1a0
[ 22.949373][ T305] ? __call_rcu_common.constprop.0+0x318/0x630
[ 22.949376][ T305] ? __sys_sendmsg_sock+0x20/0x20
[ 22.949383][ T305] ? rcu_is_watching+0x12/0xb0
[ 22.949392][ T305] do_syscall_64+0xc1/0xfd0
[ 22.949398][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.949401][ T305] RIP: 0033:0x7fa608baf1d7
[ 22.949407][ T305] 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
[ 22.949410][ T305] RSP: 002b:00007ffd99be2368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 22.949415][ T305] RAX: ffffffffffffffda RBX: 00007ffd99be2a90 RCX: 00007fa608baf1d7
[ 22.949417][ T305] RDX: 0000000000000000 RSI: 00007ffd99be23d0 RDI: 0000000000000005
[ 22.949419][ T305] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 22.949421][ T305] R10: 00007fa608aabf60 R11: 0000000000000246 R12: 0000000000000001
[ 22.949423][ T305] R13: 00000000690df7af R14: 0000000000499600 R15: 0000000000000000
[ 22.949430][ T305]
[ 22.949431][ T305]
[ 22.962889][ T305] Allocated by task 265:
[ 22.963039][ T305] kasan_save_stack+0x24/0x40
[ 22.963242][ T305] kasan_save_track+0x14/0x30
[ 22.963429][ T305] __kasan_kmalloc+0x7b/0x90
[ 22.963620][ T305] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 22.963816][ T305] alloc_netdev_mqs+0x7d/0x1370
[ 22.964006][ T305] rtnl_create_link+0xa9e/0xe20
[ 22.964198][ T305] rtnl_newlink_create+0x203/0x8f0
[ 22.964385][ T305] __rtnl_newlink+0x231/0xa30
[ 22.964569][ T305] rtnl_newlink+0x693/0xa60
[ 22.964754][ T305] rtnetlink_rcv_msg+0x709/0xc00
[ 22.964954][ T305] netlink_rcv_skb+0x121/0x340
[ 22.965145][ T305] netlink_unicast+0x4aa/0x780
[ 22.965332][ T305] netlink_sendmsg+0x714/0xbd0
[ 22.965515][ T305] ____sys_sendmsg+0x3dd/0x890
[ 22.965704][ T305] ___sys_sendmsg+0xed/0x170
[ 22.965898][ T305] __sys_sendmsg+0x10b/0x1a0
[ 22.966090][ T305] do_syscall_64+0xc1/0xfd0
[ 22.966276][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.966510][ T305]
[ 22.966605][ T305] Freed by task 305:
[ 22.966747][ T305] kasan_save_stack+0x24/0x40
[ 22.966938][ T305] kasan_save_track+0x14/0x30
[ 22.967123][ T305] __kasan_save_free_info+0x3b/0x60
[ 22.967311][ T305] __kasan_slab_free+0x3f/0x60
[ 22.967505][ T305] kfree+0x21d/0x540
[ 22.967643][ T305] device_release+0x9c/0x210
[ 22.967835][ T305] kobject_cleanup+0xfe/0x360
[ 22.968025][ T305] netdev_run_todo+0x81f/0xc60
[ 22.968219][ T305] rtnl_dellink+0x350/0xa30
[ 22.968402][ T305] rtnetlink_rcv_msg+0x709/0xc00
[ 22.968588][ T305] netlink_rcv_skb+0x121/0x340
[ 22.968777][ T305] netlink_unicast+0x4aa/0x780
[ 22.968965][ T305] netlink_sendmsg+0x714/0xbd0
[ 22.969152][ T305] ____sys_sendmsg+0x3dd/0x890
[ 22.969338][ T305] ___sys_sendmsg+0xed/0x170
[ 22.969519][ T305] __sys_sendmsg+0x10b/0x1a0
[ 22.969706][ T305] do_syscall_64+0xc1/0xfd0
[ 22.969891][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.970122][ T305]
[ 22.970216][ T305] The buggy address belongs to the object at ffff888007931000
[ 22.970216][ T305] which belongs to the cache kmalloc-4k of size 4096
[ 22.970672][ T305] The buggy address is located 1732 bytes inside of
[ 22.970672][ T305] freed 4096-byte region [ffff888007931000, ffff888007932000)
[ 22.971118][ T305]
[ 22.971216][ T305] The buggy address belongs to the physical page:
[ 22.971450][ T305] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7930
[ 22.971784][ T305] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 22.972072][ T305] flags: 0x80000000000040(head|node=0|zone=1)
[ 22.972310][ T305] page_type: f5(slab)
[ 22.972461][ T305] raw: 0080000000000040 ffff888001043700 ffffea00002ef410 ffffea0000161a10
[ 22.972796][ T305] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 22.973122][ T305] head: 0080000000000040 ffff888001043700 ffffea00002ef410 ffffea0000161a10
[ 22.973460][ T305] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 22.973783][ T305] head: 0080000000000003 ffffea00001e4c01 00000000ffffffff 00000000ffffffff
[ 22.974095][ T305] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 22.974427][ T305] page dumped because: kasan: bad access detected
[ 22.974642][ T305]
[ 22.974741][ T305] Memory state around the buggy address:
[ 22.974941][ T305] ffff888007931580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 22.975202][ T305] ffff888007931600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 22.975466][ T305] >ffff888007931680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 22.975734][ T305] ^
[ 22.975958][ T305] ffff888007931700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 22.976232][ T305] ffff888007931780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 22.976496][ T305] ==================================================================
[ 22.976826][ T305] Disabling lock debugging due to kernel taint
[ 22.977060][ T305] ------------[ cut here ]------------
[ 22.977237][ T305] refcount_t: underflow; use-after-free.
[ 22.977450][ T305] WARNING: CPU: 0 PID: 305 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 22.977771][ T305] Modules linked in: act_mirred cls_flower sch_ingress
[ 22.978033][ T305] CPU: 0 UID: 0 PID: 305 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 22.978392][ T305] Tainted: [B]=BAD_PAGE
[ 22.978534][ T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.978766][ T305] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 22.979002][ T305] Code: cc 38 03 80 fb 01 0f 87 29 33 d7 fe 83 e3 01 0f 85 51 ff ff ff c6 05 17 cc 38 03 01 90 48 c7 c7 40 ba 05 b6 e8 62 d6 16 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 c0 9d a0 ff e9 ba fe ff ff
[ 22.979630][ T305] RSP: 0018:ffffc90000c071f0 EFLAGS: 00010286
[ 22.979855][ T305] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 22.980127][ T305] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 22.980399][ T305] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff6e00934
[ 22.980662][ T305] R10: 0000000000000003 R11: ffffc90000c06d80 R12: 0000000000000001
[ 22.980929][ T305] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 22.981205][ T305] FS: 00007fa6089e1800(0000) GS:ffff8880b4b08000(0000) knlGS:0000000000000000
[ 22.981520][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.981748][ T305] CR2: 00000000004e6e10 CR3: 000000000e37f005 CR4: 0000000000772ef0
[ 22.982031][ T305] PKRU: 55555554
[ 22.982169][ T305] Call Trace:
[ 22.982307][ T305]
[ 22.982401][ T305] netdev_run_todo+0x5f0/0xc60
[ 22.982588][ T305] ? dev_ingress_queue_create+0x190/0x190
[ 22.982773][ T305] ? generic_xdp_install+0x410/0x410
[ 22.982954][ T305] ? unregister_netdevice_many+0x20/0x20
[ 22.983147][ T305] rtnl_dellink+0x350/0xa30
[ 22.983332][ T305] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 22.983568][ T305] ? find_held_lock+0x2b/0x80
[ 22.983753][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.983936][ T305] ? find_held_lock+0x2b/0x80
[ 22.984121][ T305] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 22.984303][ T305] ? __lock_release+0x5d/0x170
[ 22.984481][ T305] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 22.984706][ T305] rtnetlink_rcv_msg+0x709/0xc00
[ 22.984901][ T305] ? rtnl_port_fill+0x890/0x890
[ 22.985089][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.985271][ T305] netlink_rcv_skb+0x121/0x340
[ 22.985455][ T305] ? rtnl_port_fill+0x890/0x890
[ 22.985641][ T305] ? netlink_ack+0xdf0/0xdf0
[ 22.985824][ T305] ? netlink_deliver_tap+0x13e/0x340
[ 22.986014][ T305] ? netlink_deliver_tap+0xc3/0x340
[ 22.986195][ T305] netlink_unicast+0x4aa/0x780
[ 22.986374][ T305] ? netlink_attachskb+0x810/0x810
[ 22.986556][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.986738][ T305] netlink_sendmsg+0x714/0xbd0
[ 22.986922][ T305] ? netlink_unicast+0x780/0x780
[ 22.987110][ T305] ? __import_iovec+0x230/0x3b0
[ 22.987292][ T305] ? netlink_unicast+0x780/0x780
[ 22.987472][ T305] ____sys_sendmsg+0x3dd/0x890
[ 22.987655][ T305] ? get_timestamp.constprop.0+0x370/0x370
[ 22.987878][ T305] ? __copy_msghdr+0x3c0/0x3c0
[ 22.988073][ T305] ___sys_sendmsg+0xed/0x170
[ 22.988254][ T305] ? kasan_record_aux_stack+0x8c/0xa0
[ 22.988442][ T305] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 22.988667][ T305] ? copy_msghdr_from_user+0x110/0x110
[ 22.988843][ T305] ? find_held_lock+0x2b/0x80
[ 22.989029][ T305] ? __lock_acquire+0x449/0x7e0
[ 22.989212][ T305] ? find_held_lock+0x2b/0x80
[ 22.989398][ T305] ? __virt_addr_valid+0x22a/0x450
[ 22.989584][ T305] ? __lock_release+0x5d/0x170
[ 22.989772][ T305] __sys_sendmsg+0x10b/0x1a0
[ 22.989948][ T305] ? __call_rcu_common.constprop.0+0x318/0x630
[ 22.990177][ T305] ? __sys_sendmsg_sock+0x20/0x20
[ 22.990366][ T305] ? rcu_is_watching+0x12/0xb0
[ 22.990550][ T305] do_syscall_64+0xc1/0xfd0
[ 22.990732][ T305] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 22.990952][ T305] RIP: 0033:0x7fa608baf1d7
[ 22.991150][ T305] 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
[ 22.991792][ T305] RSP: 002b:00007ffd99be2368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 22.992075][ T305] RAX: ffffffffffffffda RBX: 00007ffd99be2a90 RCX: 00007fa608baf1d7
[ 22.992353][ T305] RDX: 0000000000000000 RSI: 00007ffd99be23d0 RDI: 0000000000000005
[ 22.992622][ T305] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 22.992892][ T305] R10: 00007fa608aabf60 R11: 0000000000000246 R12: 0000000000000001
[ 22.993168][ T305] R13: 00000000690df7af R14: 0000000000499600 R15: 0000000000000000
[ 22.993444][ T305]
[ 22.993587][ T305] irq event stamp: 62147
[ 22.993725][ T305] hardirqs last enabled at (62147): [] irqentry_exit+0x3b/0x80
[ 22.994055][ T305] hardirqs last disabled at (62146): [] handle_softirqs+0x47f/0x610
[ 22.994373][ T305] softirqs last enabled at (62012): [] handle_softirqs+0x352/0x610
[ 22.994687][ T305] softirqs last disabled at (62005): [] irq_exit_rcu+0xab/0x100
[ 22.995026][ T305] ---[ end trace 0000000000000000 ]---
[ 23.054208][ C3] tc mirred: target device is gone