[ 16.696886][ T250] ip (250) used greatest stack depth: 24320 bytes left
[ 20.929270][ T301] 8021q: 802.1Q VLAN Support v1.8
[ 26.736175][ T350] br1: port 1(vx10) entered blocking state
[ 26.737170][ T350] br1: port 1(vx10) entered disabled state
[ 26.738029][ T350] vx10: entered allmulticast mode
[ 26.742099][ T350] vx10: entered promiscuous mode
[ 26.743902][ T350] br1: port 1(vx10) entered blocking state
[ 26.744406][ T350] br1: port 1(vx10) entered forwarding state
[ 27.313955][ T355] br1: port 2(vx20) entered blocking state
[ 27.314500][ T355] br1: port 2(vx20) entered disabled state
[ 27.314977][ T355] vx20: entered allmulticast mode
[ 27.318566][ T355] vx20: entered promiscuous mode
[ 27.319729][ T355] br1: port 2(vx20) entered blocking state
[ 27.320194][ T355] br1: port 2(vx20) entered forwarding state
[ 27.594554][ T357] br1: port 3(veth1) entered blocking state
[ 27.595016][ T357] br1: port 3(veth1) entered disabled state
[ 27.595451][ T357] veth1: entered allmulticast mode
[ 27.599513][ T357] veth1: entered promiscuous mode
[ 27.712940][ T35] br1: port 3(veth1) entered blocking state
[ 27.713542][ T35] br1: port 3(veth1) entered forwarding state
[ 28.264821][ T362] br1: port 4(veth2) entered blocking state
[ 28.265352][ T362] br1: port 4(veth2) entered disabled state
[ 28.265864][ T362] veth2: entered allmulticast mode
[ 28.270966][ T362] veth2: entered promiscuous mode
[ 28.400244][ T35] br1: port 4(veth2) entered blocking state
[ 28.400723][ T35] br1: port 4(veth2) entered forwarding state
[ 33.838810][ T412] br2: port 1(w1) entered blocking state
[ 33.839242][ T412] br2: port 1(w1) entered disabled state
[ 33.839621][ T412] w1: entered allmulticast mode
[ 33.843324][ T412] w1: entered promiscuous mode
[ 34.931448][ T420] br2: port 2(vx10) entered blocking state
[ 34.932011][ T420] br2: port 2(vx10) entered disabled state
[ 34.932762][ T420] vx10: entered allmulticast mode
[ 34.937219][ T420] vx10: entered promiscuous mode
[ 34.938266][ T420] br2: port 2(vx10) entered blocking state
[ 34.938839][ T420] br2: port 2(vx10) entered forwarding state
[ 36.044261][ T427] br2: port 3(vx20) entered blocking state
[ 36.044880][ T427] br2: port 3(vx20) entered disabled state
[ 36.045542][ T427] vx20: entered allmulticast mode
[ 36.050654][ T427] vx20: entered promiscuous mode
[ 36.051840][ T427] br2: port 3(vx20) entered blocking state
[ 36.052429][ T427] br2: port 3(vx20) entered forwarding state
[ 37.233314][ T37] br2: port 1(w1) entered blocking state
[ 37.233956][ T37] br2: port 1(w1) entered forwarding state
[ 41.310032][ T469] br2: port 1(w1) entered blocking state
[ 41.310493][ T469] br2: port 1(w1) entered disabled state
[ 41.310924][ T469] w1: entered allmulticast mode
[ 41.315041][ T469] w1: entered promiscuous mode
[ 42.293256][ T477] br2: port 2(vx10) entered blocking state
[ 42.293699][ T477] br2: port 2(vx10) entered disabled state
[ 42.294226][ T477] vx10: entered allmulticast mode
[ 42.297943][ T477] vx10: entered promiscuous mode
[ 42.298874][ T477] br2: port 2(vx10) entered blocking state
[ 42.299312][ T477] br2: port 2(vx10) entered forwarding state
[ 43.355568][ T484] br2: port 3(vx20) entered blocking state
[ 43.356295][ T484] br2: port 3(vx20) entered disabled state
[ 43.357002][ T484] vx20: entered allmulticast mode
[ 43.362523][ T484] vx20: entered promiscuous mode
[ 43.363895][ T484] br2: port 3(vx20) entered blocking state
[ 43.364597][ T484] br2: port 3(vx20) entered forwarding state
[ 44.488703][ T46] br2: port 1(w1) entered blocking state
[ 44.489228][ T46] br2: port 1(w1) entered forwarding state
[ 57.958052][ T571] GACT probability NOT on
[ 187.273123][ T1145] tc (1145) used greatest stack depth: 23968 bytes left
[ 206.046925][ T1372] veth3: entered promiscuous mode
[ 286.436867][ T2299] veth3: left promiscuous mode
[ 287.314313][ T2305] veth3: entered promiscuous mode
[ 368.954756][ T3233] veth3: left promiscuous mode
[ 370.449554][ T3251] vx20: left allmulticast mode
[ 370.450679][ T3251] vx20: left promiscuous mode
[ 370.451525][ T3251] br1: port 2(vx20) entered disabled state
[ 370.603925][ T3252] vx10: left allmulticast mode
[ 370.604637][ T3252] vx10: left promiscuous mode
[ 370.605300][ T3252] br1: port 1(vx10) entered disabled state
[ 376.301819][ T3257] br1: port 1(vx10) entered blocking state
[ 376.302601][ T3257] br1: port 1(vx10) entered disabled state
[ 376.303318][ T3257] vx10: entered allmulticast mode
[ 376.309410][ T3257] vx10: entered promiscuous mode
[ 376.310802][ T3257] br1: port 1(vx10) entered blocking state
[ 376.311496][ T3257] br1: port 1(vx10) entered forwarding state
[ 376.590832][ T3259] br1: port 2(vx20) entered blocking state
[ 376.591299][ T3259] br1: port 2(vx20) entered disabled state
[ 376.591789][ T3259] vx20: entered allmulticast mode
[ 376.596525][ T3259] vx20: entered promiscuous mode
[ 376.597386][ T3259] br1: port 2(vx20) entered blocking state
[ 376.597817][ T3259] br1: port 2(vx20) entered forwarding state
[ 538.705709][ T4088] veth3: entered promiscuous mode
[ 625.262792][ T5015] veth3: left promiscuous mode
[ 626.185021][ T5021] veth3: entered promiscuous mode
[ 707.043129][ T5948] veth3: left promiscuous mode
[ 1184.124396][ T70] vx20: left allmulticast mode
[ 1184.125114][ T70] vx20: left promiscuous mode
[ 1184.125995][ T70] br2: port 3(vx20) entered disabled state
[ 1184.133738][ T70] vx10: left allmulticast mode
[ 1184.135520][ T70] vx10: left promiscuous mode
[ 1184.136383][ T70] br2: port 2(vx10) entered disabled state
[ 1184.145781][ T70] w1: left allmulticast mode
[ 1184.149807][ T70] w1: left promiscuous mode
[ 1184.150749][ T70] br2: port 1(w1) entered disabled state
[ 1184.247755][ T70] ==================================================================
[ 1184.248084][ T70] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 1184.248370][ T70] Read of size 1 at addr ffff888010e446ac by task kworker/u16:1/70
[ 1184.248627][ T70]
[ 1184.248714][ T70] CPU: 2 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1184.248720][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1184.248723][ T70] Workqueue: netns cleanup_net
[ 1184.248739][ T70] Call Trace:
[ 1184.248743][ T70]
[ 1184.248747][ T70] dump_stack_lvl+0x82/0xc0
[ 1184.248754][ T70] print_address_description.constprop.0+0x2c/0x3a0
[ 1184.248764][ T70] ? kobject_put+0xbb/0xd0
[ 1184.248768][ T70] print_report+0xb4/0x270
[ 1184.248771][ T70] ? kobject_put+0xbb/0xd0
[ 1184.248774][ T70] ? kasan_addr_to_slab+0x21/0x70
[ 1184.248778][ T70] ? kobject_put+0xbb/0xd0
[ 1184.248781][ T70] kasan_report+0xca/0x100
[ 1184.248784][ T70] ? kobject_put+0xbb/0xd0
[ 1184.248790][ T70] kobject_put+0xbb/0xd0
[ 1184.248794][ T70] netdev_run_todo+0x5f0/0xc60
[ 1184.248802][ T70] ? rtnl_is_locked+0x15/0x20
[ 1184.248810][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 1184.248815][ T70] ? generic_xdp_install+0x410/0x410
[ 1184.248826][ T70] ops_undo_list+0x714/0x890
[ 1184.248833][ T70] ? netns_get+0x110/0x110
[ 1184.248836][ T70] ? cleanup_net+0x2d6/0x830
[ 1184.248841][ T70] cleanup_net+0x3b2/0x830
[ 1184.248845][ T70] ? net_passive_dec+0x190/0x190
[ 1184.248849][ T70] ? rcu_is_watching+0x12/0xb0
[ 1184.248860][ T70] process_one_work+0xe35/0x1650
[ 1184.248870][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 1184.248876][ T70] ? assign_work+0x168/0x240
[ 1184.248880][ T70] worker_thread+0x591/0xcf0
[ 1184.248886][ T70] ? rescuer_thread+0xd10/0xd10
[ 1184.248889][ T70] kthread+0x37b/0x5f0
[ 1184.248894][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.248897][ T70] ? ret_from_fork+0x1b/0x270
[ 1184.248905][ T70] ? __lock_release+0x5d/0x170
[ 1184.248912][ T70] ? rcu_is_watching+0x12/0xb0
[ 1184.248915][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.248921][ T70] ret_from_fork+0x1db/0x270
[ 1184.248925][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.248928][ T70] ret_from_fork_asm+0x11/0x20
[ 1184.248940][ T70]
[ 1184.248942][ T70]
[ 1184.255566][ T70] Allocated by task 448:
[ 1184.255716][ T70] kasan_save_stack+0x24/0x40
[ 1184.255924][ T70] kasan_save_track+0x14/0x30
[ 1184.256112][ T70] __kasan_kmalloc+0x7b/0x90
[ 1184.256274][ T70] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 1184.256490][ T70] alloc_netdev_mqs+0x7d/0x1370
[ 1184.256679][ T70] sit_init_net+0x169/0x550
[ 1184.256876][ T70] ops_init+0x189/0x550
[ 1184.257007][ T70] setup_net+0xf1/0x380
[ 1184.257131][ T70] copy_net_ns+0x21a/0x380
[ 1184.257288][ T70] create_new_namespaces+0x35f/0x900
[ 1184.257453][ T70] unshare_nsproxy_namespaces+0x89/0x120
[ 1184.257617][ T70] ksys_unshare+0x2a3/0x660
[ 1184.257778][ T70] __x64_sys_unshare+0x31/0x40
[ 1184.257957][ T70] do_syscall_64+0xc1/0xfd0
[ 1184.258119][ T70] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 1184.258325][ T70]
[ 1184.258408][ T70] Freed by task 70:
[ 1184.258528][ T70] kasan_save_stack+0x24/0x40
[ 1184.258774][ T70] kasan_save_track+0x14/0x30
[ 1184.258972][ T70] __kasan_save_free_info+0x3b/0x60
[ 1184.259136][ T70] __kasan_slab_free+0x3f/0x60
[ 1184.259292][ T70] kfree+0x21d/0x540
[ 1184.259419][ T70] device_release+0x9c/0x210
[ 1184.259593][ T70] kobject_cleanup+0xfe/0x360
[ 1184.259803][ T70] netdev_run_todo+0x81f/0xc60
[ 1184.260005][ T70] ops_undo_list+0x714/0x890
[ 1184.260182][ T70] cleanup_net+0x3b2/0x830
[ 1184.260341][ T70] process_one_work+0xe35/0x1650
[ 1184.260502][ T70] worker_thread+0x591/0xcf0
[ 1184.260663][ T70] kthread+0x37b/0x5f0
[ 1184.260787][ T70] ret_from_fork+0x1db/0x270
[ 1184.260968][ T70] ret_from_fork_asm+0x11/0x20
[ 1184.261134][ T70]
[ 1184.261220][ T70] The buggy address belongs to the object at ffff888010e44000
[ 1184.261220][ T70] which belongs to the cache kmalloc-4k of size 4096
[ 1184.261619][ T70] The buggy address is located 1708 bytes inside of
[ 1184.261619][ T70] freed 4096-byte region [ffff888010e44000, ffff888010e45000)
[ 1184.262030][ T70]
[ 1184.262108][ T70] The buggy address belongs to the physical page:
[ 1184.262306][ T70] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10e40
[ 1184.262602][ T70] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 1184.262884][ T70] flags: 0x80000000000040(head|node=0|zone=1)
[ 1184.263093][ T70] page_type: f5(slab)
[ 1184.263228][ T70] raw: 0080000000000040 ffff888001043700 ffffea00002f1a10 ffffea000028a610
[ 1184.263520][ T70] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1184.263822][ T70] head: 0080000000000040 ffff888001043700 ffffea00002f1a10 ffffea000028a610
[ 1184.264120][ T70] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 1184.264401][ T70] head: 0080000000000003 ffffea0000439001 00000000ffffffff 00000000ffffffff
[ 1184.264697][ T70] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1184.265012][ T70] page dumped because: kasan: bad access detected
[ 1184.265212][ T70]
[ 1184.265295][ T70] Memory state around the buggy address:
[ 1184.265457][ T70] ffff888010e44580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1184.265710][ T70] ffff888010e44600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1184.265972][ T70] >ffff888010e44680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1184.266211][ T70] ^
[ 1184.266374][ T70] ffff888010e44700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1184.266610][ T70] ffff888010e44780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1184.266853][ T70] ==================================================================
[ 1184.267176][ T70] Disabling lock debugging due to kernel taint
[ 1184.267412][ T70] ------------[ cut here ]------------
[ 1184.267596][ T70] refcount_t: underflow; use-after-free.
[ 1184.267831][ T70] WARNING: CPU: 2 PID: 70 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 1184.268191][ T70] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc 8021q sch_ingress vrf veth
[ 1184.268608][ T70] CPU: 2 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 1184.269022][ T70] Tainted: [B]=BAD_PAGE
[ 1184.269182][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1184.269403][ T70] Workqueue: netns cleanup_net
[ 1184.269603][ T70] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 1184.269861][ T70] 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 a5 9a 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
[ 1184.270491][ T70] RSP: 0018:ffffc900004b7a08 EFLAGS: 00010282
[ 1184.270745][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 1184.271072][ T70] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 1184.271354][ T70] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff367e134
[ 1184.271622][ T70] R10: 0000000000000003 R11: ffffc900004b7580 R12: 0000000000000001
[ 1184.271991][ T70] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 1184.272288][ T70] FS: 0000000000000000(0000) GS:ffff888099af2000(0000) knlGS:0000000000000000
[ 1184.272623][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1184.272882][ T70] CR2: 00007fda64d3e2a8 CR3: 000000000fadb006 CR4: 0000000000772ef0
[ 1184.273173][ T70] PKRU: 55555554
[ 1184.273332][ T70] Call Trace:
[ 1184.273487][ T70]
[ 1184.273594][ T70] netdev_run_todo+0x5f0/0xc60
[ 1184.273809][ T70] ? rtnl_is_locked+0x15/0x20
[ 1184.274086][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 1184.274341][ T70] ? generic_xdp_install+0x410/0x410
[ 1184.274538][ T70] ops_undo_list+0x714/0x890
[ 1184.274756][ T70] ? netns_get+0x110/0x110
[ 1184.274960][ T70] ? cleanup_net+0x2d6/0x830
[ 1184.275178][ T70] cleanup_net+0x3b2/0x830
[ 1184.275379][ T70] ? net_passive_dec+0x190/0x190
[ 1184.275578][ T70] ? rcu_is_watching+0x12/0xb0
[ 1184.275791][ T70] process_one_work+0xe35/0x1650
[ 1184.276018][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 1184.276255][ T70] ? assign_work+0x168/0x240
[ 1184.276451][ T70] worker_thread+0x591/0xcf0
[ 1184.276655][ T70] ? rescuer_thread+0xd10/0xd10
[ 1184.276866][ T70] kthread+0x37b/0x5f0
[ 1184.277072][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.277273][ T70] ? ret_from_fork+0x1b/0x270
[ 1184.277484][ T70] ? __lock_release+0x5d/0x170
[ 1184.277714][ T70] ? rcu_is_watching+0x12/0xb0
[ 1184.277932][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.278141][ T70] ret_from_fork+0x1db/0x270
[ 1184.278356][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 1184.278547][ T70] ret_from_fork_asm+0x11/0x20
[ 1184.278765][ T70]
[ 1184.278936][ T70] irq event stamp: 140755
[ 1184.279097][ T70] hardirqs last enabled at (140755): [] irqentry_exit+0x3b/0x80
[ 1184.279445][ T70] hardirqs last disabled at (140754): [] handle_softirqs+0x47f/0x610
[ 1184.279770][ T70] softirqs last enabled at (140670): [] handle_softirqs+0x352/0x610
[ 1184.280145][ T70] softirqs last disabled at (140659): [] irq_exit_rcu+0xab/0x100
[ 1184.280506][ T70] ---[ end trace 0000000000000000 ]---
[ 1184.500936][ T70] vx20: left allmulticast mode
[ 1184.501242][ T70] vx20: left promiscuous mode
[ 1184.501637][ T70] br2: port 3(vx20) entered disabled state
[ 1184.503133][ T70] vx10: left allmulticast mode
[ 1184.503402][ T70] vx10: left promiscuous mode
[ 1184.503757][ T70] br2: port 2(vx10) entered disabled state
[ 1184.505400][ T70] w1: left allmulticast mode
[ 1184.505718][ T70] w1: left promiscuous mode
[ 1184.507336][ T70] br2: port 1(w1) entered disabled state
[ 1186.640760][T10514] br1: port 4(veth2) entered disabled state
[ 1186.712066][T10515] veth2: left allmulticast mode
[ 1186.712376][T10515] veth2: left promiscuous mode
[ 1186.712745][T10515] br1: port 4(veth2) entered disabled state
[ 1187.132756][T10519] br1: port 3(veth1) entered disabled state
[ 1187.231163][T10520] veth1: left allmulticast mode
[ 1187.231506][T10520] veth1: left promiscuous mode
[ 1187.232001][T10520] br1: port 3(veth1) entered disabled state
[ 1187.417872][T10522] vx20: left allmulticast mode
[ 1187.418226][T10522] vx20: left promiscuous mode
[ 1187.418702][T10522] br1: port 2(vx20) entered disabled state
[ 1187.753373][T10526] vx10: left allmulticast mode
[ 1187.753781][T10526] vx10: left promiscuous mode
[ 1187.754308][T10526] br1: port 1(vx10) entered disabled state