[ 24.257832][ T329] mpls_gso: MPLS GSO support
[ 25.882683][ T341] Mirror/redirect action on
[ 27.713923][ T351] ==================================================================
[ 27.714246][ T351] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 27.714508][ T351] Read of size 1 at addr ffff88800b7996c4 by task ip/351
[ 27.714712][ T351]
[ 27.714800][ T351] CPU: 3 UID: 0 PID: 351 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 27.714805][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.714809][ T351] Call Trace:
[ 27.714812][ T351]
[ 27.714813][ T351] dump_stack_lvl+0x82/0xc0
[ 27.714819][ T351] print_address_description.constprop.0+0x2c/0x3a0
[ 27.714825][ T351] ? kobject_put+0xbb/0xd0
[ 27.714829][ T351] print_report+0xb4/0x270
[ 27.714835][ T351] ? kobject_put+0xbb/0xd0
[ 27.714838][ T351] ? kasan_addr_to_slab+0x21/0x70
[ 27.714841][ T351] ? kobject_put+0xbb/0xd0
[ 27.714844][ T351] kasan_report+0xca/0x100
[ 27.714848][ T351] ? kobject_put+0xbb/0xd0
[ 27.714854][ T351] kobject_put+0xbb/0xd0
[ 27.714857][ T351] netdev_run_todo+0x5f0/0xc60
[ 27.714863][ T351] ? dev_ingress_queue_create+0x190/0x190
[ 27.714867][ T351] ? generic_xdp_install+0x410/0x410
[ 27.714870][ T351] ? unregister_netdevice_many+0x20/0x20
[ 27.714874][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.714880][ T351] rtnl_dellink+0x350/0xa30
[ 27.714885][ T351] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 27.714904][ T351] ? find_held_lock+0x2b/0x80
[ 27.714910][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.714915][ T351] ? find_held_lock+0x2b/0x80
[ 27.714919][ T351] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 27.714922][ T351] ? __lock_release+0x5d/0x170
[ 27.714925][ T351] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 27.714929][ T351] rtnetlink_rcv_msg+0x709/0xc00
[ 27.714933][ T351] ? rtnl_port_fill+0x890/0x890
[ 27.714936][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.714942][ T351] netlink_rcv_skb+0x121/0x340
[ 27.714947][ T351] ? rtnl_port_fill+0x890/0x890
[ 27.714951][ T351] ? netlink_ack+0xdf0/0xdf0
[ 27.714959][ T351] ? netlink_deliver_tap+0x13e/0x340
[ 27.714962][ T351] ? netlink_deliver_tap+0xc3/0x340
[ 27.714965][ T351] netlink_unicast+0x4aa/0x780
[ 27.714969][ T351] ? netlink_attachskb+0x810/0x810
[ 27.714973][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.714977][ T351] netlink_sendmsg+0x714/0xbd0
[ 27.714982][ T351] ? netlink_unicast+0x780/0x780
[ 27.714985][ T351] ? __import_iovec+0x230/0x3b0
[ 27.714990][ T351] ? netlink_unicast+0x780/0x780
[ 27.714993][ T351] ____sys_sendmsg+0x3dd/0x890
[ 27.714997][ T351] ? get_timestamp.constprop.0+0x370/0x370
[ 27.714999][ T351] ? __copy_msghdr+0x3c0/0x3c0
[ 27.715006][ T351] ___sys_sendmsg+0xed/0x170
[ 27.715009][ T351] ? kasan_record_aux_stack+0x8c/0xa0
[ 27.715012][ T351] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 27.715016][ T351] ? copy_msghdr_from_user+0x110/0x110
[ 27.715020][ T351] ? find_held_lock+0x2b/0x80
[ 27.715025][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.715029][ T351] ? find_held_lock+0x2b/0x80
[ 27.715033][ T351] ? __virt_addr_valid+0x22a/0x450
[ 27.715042][ T351] ? __lock_release+0x5d/0x170
[ 27.715047][ T351] __sys_sendmsg+0x10b/0x1a0
[ 27.715050][ T351] ? __call_rcu_common.constprop.0+0x318/0x630
[ 27.715053][ T351] ? __sys_sendmsg_sock+0x20/0x20
[ 27.715059][ T351] ? rcu_is_watching+0x12/0xb0
[ 27.715065][ T351] do_syscall_64+0xc1/0xfd0
[ 27.715070][ T351] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 27.715077][ T351] RIP: 0033:0x7f2e4d3da1d7
[ 27.715084][ T351] 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
[ 27.715087][ T351] RSP: 002b:00007ffc3f0912d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 27.715092][ T351] RAX: ffffffffffffffda RBX: 00007ffc3f091a10 RCX: 00007f2e4d3da1d7
[ 27.715095][ T351] RDX: 0000000000000000 RSI: 00007ffc3f091340 RDI: 0000000000000005
[ 27.715096][ T351] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 27.715098][ T351] R10: 00007f2e4d2d6510 R11: 0000000000000246 R12: 0000000000000001
[ 27.715100][ T351] R13: 00000000690df4f9 R14: 0000000000499600 R15: 0000000000000000
[ 27.715106][ T351]
[ 27.715107][ T351]
[ 27.727362][ T351] Allocated by task 335:
[ 27.727489][ T351] kasan_save_stack+0x24/0x40
[ 27.727659][ T351] kasan_save_track+0x14/0x30
[ 27.727826][ T351] __kasan_kmalloc+0x7b/0x90
[ 27.727988][ T351] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 27.728158][ T351] alloc_netdev_mqs+0x7d/0x1370
[ 27.728326][ T351] rtnl_create_link+0xa9e/0xe20
[ 27.728491][ T351] rtnl_newlink_create+0x203/0x8f0
[ 27.728656][ T351] __rtnl_newlink+0x231/0xa30
[ 27.728824][ T351] rtnl_newlink+0x693/0xa60
[ 27.728993][ T351] rtnetlink_rcv_msg+0x709/0xc00
[ 27.729169][ T351] netlink_rcv_skb+0x121/0x340
[ 27.729331][ T351] netlink_unicast+0x4aa/0x780
[ 27.729508][ T351] netlink_sendmsg+0x714/0xbd0
[ 27.729673][ T351] ____sys_sendmsg+0x3dd/0x890
[ 27.729839][ T351] ___sys_sendmsg+0xed/0x170
[ 27.730012][ T351] __sys_sendmsg+0x10b/0x1a0
[ 27.730182][ T351] do_syscall_64+0xc1/0xfd0
[ 27.730351][ T351] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 27.730559][ T351]
[ 27.730644][ T351] Freed by task 351:
[ 27.730775][ T351] kasan_save_stack+0x24/0x40
[ 27.730955][ T351] kasan_save_track+0x14/0x30
[ 27.731121][ T351] __kasan_save_free_info+0x3b/0x60
[ 27.731297][ T351] __kasan_slab_free+0x3f/0x60
[ 27.731464][ T351] kfree+0x21d/0x540
[ 27.731590][ T351] device_release+0x9c/0x210
[ 27.731759][ T351] kobject_cleanup+0xfe/0x360
[ 27.731932][ T351] netdev_run_todo+0x81f/0xc60
[ 27.732104][ T351] rtnl_dellink+0x350/0xa30
[ 27.732269][ T351] rtnetlink_rcv_msg+0x709/0xc00
[ 27.732438][ T351] netlink_rcv_skb+0x121/0x340
[ 27.732604][ T351] netlink_unicast+0x4aa/0x780
[ 27.732768][ T351] netlink_sendmsg+0x714/0xbd0
[ 27.732934][ T351] ____sys_sendmsg+0x3dd/0x890
[ 27.733102][ T351] ___sys_sendmsg+0xed/0x170
[ 27.733269][ T351] __sys_sendmsg+0x10b/0x1a0
[ 27.733434][ T351] do_syscall_64+0xc1/0xfd0
[ 27.733613][ T351] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 27.733821][ T351]
[ 27.733908][ T351] The buggy address belongs to the object at ffff88800b799000
[ 27.733908][ T351] which belongs to the cache kmalloc-4k of size 4096
[ 27.734359][ T351] The buggy address is located 1732 bytes inside of
[ 27.734359][ T351] freed 4096-byte region [ffff88800b799000, ffff88800b79a000)
[ 27.734796][ T351]
[ 27.734886][ T351] The buggy address belongs to the physical page:
[ 27.735096][ T351] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb798
[ 27.735394][ T351] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 27.735643][ T351] flags: 0x80000000000040(head|node=0|zone=1)
[ 27.735866][ T351] page_type: f5(slab)
[ 27.735999][ T351] raw: 0080000000000040 ffff888001043700 ffffea0000273010 ffffea000029ce10
[ 27.736311][ T351] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 27.736607][ T351] head: 0080000000000040 ffff888001043700 ffffea0000273010 ffffea000029ce10
[ 27.736903][ T351] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 27.737217][ T351] head: 0080000000000003 ffffea00002de601 00000000ffffffff 00000000ffffffff
[ 27.737616][ T351] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 27.737912][ T351] page dumped because: kasan: bad access detected
[ 27.738118][ T351]
[ 27.738207][ T351] Memory state around the buggy address:
[ 27.738464][ T351] ffff88800b799580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.738706][ T351] ffff88800b799600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.738951][ T351] >ffff88800b799680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.739309][ T351] ^
[ 27.739509][ T351] ffff88800b799700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.739751][ T351] ffff88800b799780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 27.740104][ T351] ==================================================================
[ 27.740425][ T351] Disabling lock debugging due to kernel taint
[ 27.741000][ T351] ------------[ cut here ]------------
[ 27.741263][ T351] refcount_t: underflow; use-after-free.
[ 27.741618][ T351] WARNING: CPU: 0 PID: 351 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 27.742133][ T351] Modules linked in: act_mirred act_tunnel_key cls_flower bareudp mpls_gso mpls_iptunnel mpls_router sch_ingress
[ 27.742810][ T351] CPU: 0 UID: 0 PID: 351 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 27.743400][ T351] Tainted: [B]=BAD_PAGE
[ 27.743648][ T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 27.744016][ T351] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 27.744389][ T351] 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 65 8f 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
[ 27.745404][ T351] RSP: 0018:ffffc900005471f0 EFLAGS: 00010286
[ 27.745753][ T351] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 27.746172][ T351] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 27.746581][ T351] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff20c0934
[ 27.747002][ T351] R10: 0000000000000003 R11: ffffc90000546d80 R12: 0000000000000001
[ 27.747424][ T351] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 27.747851][ T351] FS: 00007f2e4d20c800(0000) GS:ffff8880db508000(0000) knlGS:0000000000000000
[ 27.748353][ T351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 27.748702][ T351] CR2: 00005647f2a37dec CR3: 0000000011207001 CR4: 0000000000772ef0
[ 27.749143][ T351] PKRU: 55555554
[ 27.749347][ T351] Call Trace:
[ 27.749550][ T351]
[ 27.749689][ T351] netdev_run_todo+0x5f0/0xc60
[ 27.750145][ T351] ? dev_ingress_queue_create+0x190/0x190
[ 27.750421][ T351] ? generic_xdp_install+0x410/0x410
[ 27.750696][ T351] ? unregister_netdevice_many+0x20/0x20
[ 27.750975][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.751418][ T351] rtnl_dellink+0x350/0xa30
[ 27.751692][ T351] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 27.752062][ T351] ? find_held_lock+0x2b/0x80
[ 27.752335][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.752761][ T351] ? find_held_lock+0x2b/0x80
[ 27.753036][ T351] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 27.753303][ T351] ? __lock_release+0x5d/0x170
[ 27.753576][ T351] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 27.754117][ T351] rtnetlink_rcv_msg+0x709/0xc00
[ 27.754392][ T351] ? rtnl_port_fill+0x890/0x890
[ 27.754665][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.755141][ T351] netlink_rcv_skb+0x121/0x340
[ 27.755431][ T351] ? rtnl_port_fill+0x890/0x890
[ 27.755710][ T351] ? netlink_ack+0xdf0/0xdf0
[ 27.756009][ T351] ? netlink_deliver_tap+0x13e/0x340
[ 27.756292][ T351] ? netlink_deliver_tap+0xc3/0x340
[ 27.756736][ T351] netlink_unicast+0x4aa/0x780
[ 27.757024][ T351] ? netlink_attachskb+0x810/0x810
[ 27.757293][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.757536][ T351] netlink_sendmsg+0x714/0xbd0
[ 27.757988][ T351] ? netlink_unicast+0x780/0x780
[ 27.758293][ T351] ? __import_iovec+0x230/0x3b0
[ 27.758582][ T351] ? netlink_unicast+0x780/0x780
[ 27.759043][ T351] ____sys_sendmsg+0x3dd/0x890
[ 27.759365][ T351] ? get_timestamp.constprop.0+0x370/0x370
[ 27.759689][ T351] ? __copy_msghdr+0x3c0/0x3c0
[ 27.759954][ T351] ___sys_sendmsg+0xed/0x170
[ 27.760352][ T351] ? kasan_record_aux_stack+0x8c/0xa0
[ 27.760585][ T351] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 27.760898][ T351] ? copy_msghdr_from_user+0x110/0x110
[ 27.761172][ T351] ? find_held_lock+0x2b/0x80
[ 27.761615][ T351] ? __lock_acquire+0x449/0x7e0
[ 27.761897][ T351] ? find_held_lock+0x2b/0x80
[ 27.762170][ T351] ? __virt_addr_valid+0x22a/0x450
[ 27.762437][ T351] ? __lock_release+0x5d/0x170
[ 27.762891][ T351] __sys_sendmsg+0x10b/0x1a0
[ 27.763158][ T351] ? __call_rcu_common.constprop.0+0x318/0x630
[ 27.763491][ T351] ? __sys_sendmsg_sock+0x20/0x20
[ 27.763759][ T351] ? rcu_is_watching+0x12/0xb0
[ 27.764207][ T351] do_syscall_64+0xc1/0xfd0
[ 27.764474][ T351] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 27.764853][ T351] RIP: 0033:0x7f2e4d3da1d7
[ 27.765148][ T351] 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
[ 27.766343][ T351] RSP: 002b:00007ffc3f0912d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 27.766973][ T351] RAX: ffffffffffffffda RBX: 00007ffc3f091a10 RCX: 00007f2e4d3da1d7
[ 27.767375][ T351] RDX: 0000000000000000 RSI: 00007ffc3f091340 RDI: 0000000000000005
[ 27.767773][ T351] RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000078
[ 27.768221][ T351] R10: 00007f2e4d2d6510 R11: 0000000000000246 R12: 0000000000000001
[ 27.768613][ T351] R13: 00000000690df4f9 R14: 0000000000499600 R15: 0000000000000000
[ 27.769081][ T351]
[ 27.769210][ T351] irq event stamp: 45905
[ 27.769369][ T351] hardirqs last enabled at (45905): [] finish_task_switch.isra.0+0x245/0x960
[ 27.769722][ T351] hardirqs last disabled at (45904): [] __schedule+0x94a/0x1b10
[ 27.770053][ T351] softirqs last enabled at (45828): [] handle_softirqs+0x352/0x610
[ 27.770363][ T351] softirqs last disabled at (45821): [] irq_exit_rcu+0xab/0x100
[ 27.770795][ T351] ---[ end trace 0000000000000000 ]---
[ 27.788250][ T351] ip (351) used greatest stack depth: 24232 bytes left