[ 16.446309][ T251] ip (251) used greatest stack depth: 24656 bytes left
[ 23.851923][ T319] br1: port 1(veth1) entered blocking state
[ 23.852879][ T319] br1: port 1(veth1) entered disabled state
[ 23.853815][ T319] veth1: entered allmulticast mode
[ 23.860005][ T319] veth1: entered promiscuous mode
[ 23.997821][ T37] br1: port 1(veth1) entered blocking state
[ 23.998569][ T37] br1: port 1(veth1) entered forwarding state
[ 24.116947][ T321] br1: port 2(veth2) entered blocking state
[ 24.117445][ T321] br1: port 2(veth2) entered disabled state
[ 24.117891][ T321] veth2: entered allmulticast mode
[ 24.123025][ T321] veth2: entered promiscuous mode
[ 24.264380][ T71] br1: port 2(veth2) entered blocking state
[ 24.265164][ T71] br1: port 2(veth2) entered forwarding state
[ 24.679918][ T325] 8021q: 802.1Q VLAN Support v1.8
[ 25.841322][ T335] GACT probability NOT on
[ 26.318605][ T339] ip (339) used greatest stack depth: 24552 bytes left
[ 34.820769][ T374] Mirror/redirect action on
[ 77.061500][ T554] ==================================================================
[ 77.061973][ T554] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 77.062462][ T554] Read of size 1 at addr ffff88800c15c6ac by task ip/554
[ 77.062887][ T554]
[ 77.063055][ T554] CPU: 1 UID: 0 PID: 554 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 77.063064][ T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 77.063068][ T554] Call Trace:
[ 77.063074][ T554]
[ 77.063077][ T554] dump_stack_lvl+0x82/0xc0
[ 77.063091][ T554] print_address_description.constprop.0+0x2c/0x3a0
[ 77.063109][ T554] ? kobject_put+0xbb/0xd0
[ 77.063119][ T554] print_report+0xb4/0x270
[ 77.063125][ T554] ? kobject_put+0xbb/0xd0
[ 77.063130][ T554] ? kasan_addr_to_slab+0x21/0x70
[ 77.063136][ T554] ? kobject_put+0xbb/0xd0
[ 77.063141][ T554] kasan_report+0xca/0x100
[ 77.063147][ T554] ? kobject_put+0xbb/0xd0
[ 77.063157][ T554] kobject_put+0xbb/0xd0
[ 77.063164][ T554] netdev_run_todo+0x5f0/0xc60
[ 77.063176][ T554] ? dev_ingress_queue_create+0x190/0x190
[ 77.063182][ T554] ? generic_xdp_install+0x410/0x410
[ 77.063189][ T554] ? lockdep_hardirqs_on+0x7c/0x110
[ 77.063201][ T554] rtnl_dellink+0x350/0xa30
[ 77.063209][ T554] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 77.063249][ T554] ? find_held_lock+0x2b/0x80
[ 77.063262][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.063274][ T554] ? find_held_lock+0x2b/0x80
[ 77.063281][ T554] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 77.063285][ T554] ? __lock_release+0x5d/0x170
[ 77.063293][ T554] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 77.063300][ T554] rtnetlink_rcv_msg+0x709/0xc00
[ 77.063307][ T554] ? rtnl_port_fill+0x850/0x850
[ 77.063312][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.063326][ T554] netlink_rcv_skb+0x121/0x340
[ 77.063336][ T554] ? rtnl_port_fill+0x850/0x850
[ 77.063343][ T554] ? netlink_ack+0xdd0/0xdd0
[ 77.063356][ T554] ? netlink_deliver_tap+0x13e/0x340
[ 77.063361][ T554] ? netlink_deliver_tap+0xc3/0x340
[ 77.063368][ T554] netlink_unicast+0x4aa/0x780
[ 77.063376][ T554] ? netlink_attachskb+0x810/0x810
[ 77.063383][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.063393][ T554] netlink_sendmsg+0x714/0xbd0
[ 77.063401][ T554] ? netlink_unicast+0x780/0x780
[ 77.063407][ T554] ? __import_iovec+0x230/0x3b0
[ 77.063427][ T554] ? netlink_unicast+0x780/0x780
[ 77.063434][ T554] ____sys_sendmsg+0x3dd/0x890
[ 77.063450][ T554] ? get_timestamp.constprop.0+0x380/0x380
[ 77.063455][ T554] ? __copy_msghdr+0x3c0/0x3c0
[ 77.063470][ T554] ___sys_sendmsg+0xed/0x170
[ 77.063475][ T554] ? kasan_record_aux_stack+0x8c/0xa0
[ 77.063480][ T554] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 77.063492][ T554] ? copy_msghdr_from_user+0x110/0x110
[ 77.063501][ T554] ? find_held_lock+0x2b/0x80
[ 77.063509][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.063519][ T554] ? find_held_lock+0x2b/0x80
[ 77.063526][ T554] ? __virt_addr_valid+0x22a/0x450
[ 77.063542][ T554] ? __lock_release+0x5d/0x170
[ 77.063554][ T554] __sys_sendmsg+0x10b/0x1a0
[ 77.063559][ T554] ? __call_rcu_common.constprop.0+0x318/0x630
[ 77.063566][ T554] ? __sys_sendmsg_sock+0x20/0x20
[ 77.063580][ T554] ? rcu_is_watching+0x12/0xb0
[ 77.063588][ T554] do_syscall_64+0xc1/0xfd0
[ 77.063597][ T554] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 77.063604][ T554] RIP: 0033:0x7f820cf161d7
[ 77.063612][ T554] 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
[ 77.063617][ T554] RSP: 002b:00007ffc7979d988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 77.063624][ T554] RAX: ffffffffffffffda RBX: 00007ffc7979e0b0 RCX: 00007f820cf161d7
[ 77.063628][ T554] RDX: 0000000000000000 RSI: 00007ffc7979d9f0 RDI: 0000000000000005
[ 77.063631][ T554] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 77.063634][ T554] R10: 00007f820ce12f60 R11: 0000000000000246 R12: 0000000000000002
[ 77.063637][ T554] R13: 00000000690dec22 R14: 0000000000499600 R15: 0000000000000000
[ 77.063650][ T554]
[ 77.063653][ T554]
[ 77.086358][ T554] Allocated by task 342:
[ 77.086803][ T554] kasan_save_stack+0x24/0x40
[ 77.087116][ T554] kasan_save_track+0x14/0x30
[ 77.087452][ T554] __kasan_kmalloc+0x7b/0x90
[ 77.087758][ T554] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 77.088273][ T554] alloc_netdev_mqs+0x7d/0x1370
[ 77.088597][ T554] rtnl_create_link+0xa9e/0xe20
[ 77.088887][ T554] rtnl_newlink_create+0x203/0x770
[ 77.089190][ T554] __rtnl_newlink+0x231/0xa30
[ 77.089719][ T554] rtnl_newlink+0x693/0xa60
[ 77.090020][ T554] rtnetlink_rcv_msg+0x709/0xc00
[ 77.090324][ T554] netlink_rcv_skb+0x121/0x340
[ 77.090626][ T554] netlink_unicast+0x4aa/0x780
[ 77.091113][ T554] netlink_sendmsg+0x714/0xbd0
[ 77.091407][ T554] ____sys_sendmsg+0x3dd/0x890
[ 77.091708][ T554] ___sys_sendmsg+0xed/0x170
[ 77.092002][ T554] __sys_sendmsg+0x10b/0x1a0
[ 77.092488][ T554] do_syscall_64+0xc1/0xfd0
[ 77.092788][ T554] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 77.093159][ T554]
[ 77.093309][ T554] Freed by task 554:
[ 77.093755][ T554] kasan_save_stack+0x24/0x40
[ 77.094062][ T554] kasan_save_track+0x14/0x30
[ 77.094358][ T554] __kasan_save_free_info+0x3b/0x60
[ 77.094664][ T554] __kasan_slab_free+0x3f/0x60
[ 77.095139][ T554] kfree+0x21d/0x540
[ 77.095362][ T554] device_release+0x9c/0x210
[ 77.095668][ T554] kobject_cleanup+0xfe/0x360
[ 77.095981][ T554] netdev_run_todo+0x81f/0xc60
[ 77.096286][ T554] rtnl_dellink+0x350/0xa30
[ 77.096781][ T554] rtnetlink_rcv_msg+0x709/0xc00
[ 77.097078][ T554] netlink_rcv_skb+0x121/0x340
[ 77.097380][ T554] netlink_unicast+0x4aa/0x780
[ 77.097668][ T554] netlink_sendmsg+0x714/0xbd0
[ 77.098149][ T554] ____sys_sendmsg+0x3dd/0x890
[ 77.098449][ T554] ___sys_sendmsg+0xed/0x170
[ 77.098754][ T554] __sys_sendmsg+0x10b/0x1a0
[ 77.099051][ T554] do_syscall_64+0xc1/0xfd0
[ 77.099562][ T554] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 77.099915][ T554]
[ 77.100070][ T554] The buggy address belongs to the object at ffff88800c15c000
[ 77.100070][ T554] which belongs to the cache kmalloc-4k of size 4096
[ 77.100976][ T554] The buggy address is located 1708 bytes inside of
[ 77.100976][ T554] freed 4096-byte region [ffff88800c15c000, ffff88800c15d000)
[ 77.101697][ T554]
[ 77.102035][ T554] The buggy address belongs to the physical page:
[ 77.102470][ T554] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc158
[ 77.103032][ T554] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 77.103724][ T554] flags: 0x80000000000040(head|node=0|zone=1)
[ 77.104108][ T554] page_type: f5(slab)
[ 77.104376][ T554] raw: 0080000000000040 ffff888001043700 ffffea000020e210 ffffea00001b8410
[ 77.105157][ T554] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 77.105694][ T554] head: 0080000000000040 ffff888001043700 ffffea000020e210 ffffea00001b8410
[ 77.106243][ T554] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 77.107028][ T554] head: 0080000000000003 ffffea0000305601 00000000ffffffff 00000000ffffffff
[ 77.107650][ T554] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 77.108403][ T554] page dumped because: kasan: bad access detected
[ 77.108920][ T554]
[ 77.109077][ T554] Memory state around the buggy address:
[ 77.109375][ T554] ffff88800c15c580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 77.109999][ T554] ffff88800c15c600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 77.110457][ T554] >ffff88800c15c680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 77.111185][ T554] ^
[ 77.111477][ T554] ffff88800c15c700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 77.111931][ T554] ffff88800c15c780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 77.112561][ T554] ==================================================================
[ 77.114205][ T554] Disabling lock debugging due to kernel taint
[ 77.114672][ T554] ------------[ cut here ]------------
[ 77.114985][ T554] refcount_t: underflow; use-after-free.
[ 77.115382][ T554] WARNING: CPU: 2 PID: 554 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 77.115937][ T554] Modules linked in: act_mirred cls_flower act_gact cls_matchall 8021q bridge stp llc sch_ingress vrf veth
[ 77.116673][ T554] CPU: 2 UID: 0 PID: 554 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 77.117335][ T554] Tainted: [B]=BAD_PAGE
[ 77.117604][ T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 77.117987][ T554] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 77.118424][ T554] 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 25 93 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
[ 77.119448][ T554] RSP: 0018:ffffc90000e5f1f0 EFLAGS: 00010286
[ 77.119847][ T554] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 77.120318][ T554] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 77.120787][ T554] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff277e134
[ 77.121241][ T554] R10: 0000000000000003 R11: ffffc90000e5ed80 R12: 0000000000000001
[ 77.121723][ T554] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 77.122202][ T554] FS: 00007f820cd48800(0000) GS:ffff88809b6f2000(0000) knlGS:0000000000000000
[ 77.122784][ T554] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 77.123170][ T554] CR2: 00007f47d5b83050 CR3: 000000000c985005 CR4: 0000000000772ef0
[ 77.123621][ T554] PKRU: 55555554
[ 77.123875][ T554] Call Trace:
[ 77.124132][ T554]
[ 77.124305][ T554] netdev_run_todo+0x5f0/0xc60
[ 77.124711][ T554] ? dev_ingress_queue_create+0x190/0x190
[ 77.125032][ T554] ? generic_xdp_install+0x410/0x410
[ 77.125345][ T554] ? lockdep_hardirqs_on+0x7c/0x110
[ 77.125659][ T554] rtnl_dellink+0x350/0xa30
[ 77.125978][ T554] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 77.126388][ T554] ? find_held_lock+0x2b/0x80
[ 77.126717][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.127048][ T554] ? find_held_lock+0x2b/0x80
[ 77.127372][ T554] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 77.127673][ T554] ? __lock_release+0x5d/0x170
[ 77.127983][ T554] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 77.128356][ T554] rtnetlink_rcv_msg+0x709/0xc00
[ 77.128703][ T554] ? rtnl_port_fill+0x850/0x850
[ 77.129017][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.129340][ T554] netlink_rcv_skb+0x121/0x340
[ 77.129678][ T554] ? rtnl_port_fill+0x850/0x850
[ 77.130007][ T554] ? netlink_ack+0xdd0/0xdd0
[ 77.130365][ T554] ? netlink_deliver_tap+0x13e/0x340
[ 77.130686][ T554] ? netlink_deliver_tap+0xc3/0x340
[ 77.131007][ T554] netlink_unicast+0x4aa/0x780
[ 77.131349][ T554] ? netlink_attachskb+0x810/0x810
[ 77.131665][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.131987][ T554] netlink_sendmsg+0x714/0xbd0
[ 77.132319][ T554] ? netlink_unicast+0x780/0x780
[ 77.132674][ T554] ? __import_iovec+0x230/0x3b0
[ 77.133005][ T554] ? netlink_unicast+0x780/0x780
[ 77.133344][ T554] ____sys_sendmsg+0x3dd/0x890
[ 77.133677][ T554] ? get_timestamp.constprop.0+0x380/0x380
[ 77.134071][ T554] ? __copy_msghdr+0x3c0/0x3c0
[ 77.134420][ T554] ___sys_sendmsg+0xed/0x170
[ 77.134735][ T554] ? kasan_record_aux_stack+0x8c/0xa0
[ 77.135047][ T554] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 77.135461][ T554] ? copy_msghdr_from_user+0x110/0x110
[ 77.135781][ T554] ? find_held_lock+0x2b/0x80
[ 77.136092][ T554] ? __lock_acquire+0x449/0x7e0
[ 77.136431][ T554] ? find_held_lock+0x2b/0x80
[ 77.136759][ T554] ? __virt_addr_valid+0x22a/0x450
[ 77.137082][ T554] ? __lock_release+0x5d/0x170
[ 77.137426][ T554] __sys_sendmsg+0x10b/0x1a0
[ 77.137767][ T554] ? __call_rcu_common.constprop.0+0x318/0x630
[ 77.138175][ T554] ? __sys_sendmsg_sock+0x20/0x20
[ 77.138499][ T554] ? rcu_is_watching+0x12/0xb0
[ 77.138802][ T554] do_syscall_64+0xc1/0xfd0
[ 77.139102][ T554] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 77.139490][ T554] RIP: 0033:0x7f820cf161d7
[ 77.139848][ T554] 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
[ 77.140976][ T554] RSP: 002b:00007ffc7979d988 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 77.141489][ T554] RAX: ffffffffffffffda RBX: 00007ffc7979e0b0 RCX: 00007f820cf161d7
[ 77.141975][ T554] RDX: 0000000000000000 RSI: 00007ffc7979d9f0 RDI: 0000000000000005
[ 77.142483][ T554] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 77.142978][ T554] R10: 00007f820ce12f60 R11: 0000000000000246 R12: 0000000000000002
[ 77.143471][ T554] R13: 00000000690dec22 R14: 0000000000499600 R15: 0000000000000000
[ 77.143963][ T554]
[ 77.144240][ T554] irq event stamp: 47583
[ 77.144502][ T554] hardirqs last enabled at (47583): [] kasan_quarantine_put+0xf9/0x210
[ 77.145072][ T554] hardirqs last disabled at (47582): [] kasan_quarantine_put+0xac/0x210
[ 77.145682][ T554] softirqs last enabled at (47236): [] handle_softirqs+0x352/0x610
[ 77.146247][ T554] softirqs last disabled at (47231): [] irq_exit_rcu+0xab/0x100
[ 77.146790][ T554] ---[ end trace 0000000000000000 ]---
[ 77.161572][ T554] ip (554) used greatest stack depth: 24232 bytes left
[ 77.712699][ T561] br1: port 1(veth1) entered disabled state
[ 77.803568][ T562] br1: port 2(veth2) entered disabled state
[ 77.903294][ T563] veth2: left allmulticast mode
[ 77.903705][ T563] veth2: left promiscuous mode
[ 77.904272][ T563] br1: port 2(veth2) entered disabled state
[ 77.906963][ T563] veth1: left allmulticast mode
[ 77.907365][ T563] veth1: left promiscuous mode
[ 77.907896][ T563] br1: port 1(veth1) entered disabled state