[ 26.252982][ T329] br1: port 1(vx1) entered blocking state
[ 26.253690][ T329] br1: port 1(vx1) entered disabled state
[ 26.254196][ T329] vx1: entered allmulticast mode
[ 26.268448][ T329] vx1: entered promiscuous mode
[ 26.270351][ T329] br1: port 1(vx1) entered blocking state
[ 26.270829][ T329] br1: port 1(vx1) entered forwarding state
[ 26.406997][ T330] br1: port 2(veth1) entered blocking state
[ 26.407454][ T330] br1: port 2(veth1) entered disabled state
[ 26.418480][ T330] veth1: entered allmulticast mode
[ 26.422372][ T330] veth1: entered promiscuous mode
[ 26.544074][ T35] br1: port 2(veth1) entered blocking state
[ 26.545037][ T35] br1: port 2(veth1) entered forwarding state
[ 26.872416][ T333] br1: port 3(veth2) entered blocking state
[ 26.873277][ T333] br1: port 3(veth2) entered disabled state
[ 26.873867][ T333] veth2: entered allmulticast mode
[ 26.877776][ T333] veth2: entered promiscuous mode
[ 27.022851][ T35] br1: port 3(veth2) entered blocking state
[ 27.023333][ T35] br1: port 3(veth2) entered forwarding state
[ 32.300520][ T380] br2: port 1(w1) entered blocking state
[ 32.300961][ T380] br2: port 1(w1) entered disabled state
[ 32.301380][ T380] w1: entered allmulticast mode
[ 32.305245][ T380] w1: entered promiscuous mode
[ 33.127859][ T386] br2: port 2(vx2) entered blocking state
[ 33.128278][ T386] br2: port 2(vx2) entered disabled state
[ 33.128940][ T386] vx2: entered allmulticast mode
[ 33.132502][ T386] vx2: entered promiscuous mode
[ 33.134030][ T386] br2: port 2(vx2) entered blocking state
[ 33.134374][ T386] br2: port 2(vx2) entered forwarding state
[ 34.236443][ T38] br2: port 1(w1) entered blocking state
[ 34.237051][ T38] br2: port 1(w1) entered forwarding state
[ 36.982452][ T420] br2: port 1(w1) entered blocking state
[ 36.983577][ T420] br2: port 1(w1) entered disabled state
[ 36.983956][ T420] w1: entered allmulticast mode
[ 36.989823][ T420] w1: entered promiscuous mode
[ 37.878004][ T426] br2: port 2(vx2) entered blocking state
[ 37.878625][ T426] br2: port 2(vx2) entered disabled state
[ 37.879230][ T426] vx2: entered allmulticast mode
[ 37.882969][ T426] vx2: entered promiscuous mode
[ 37.884284][ T426] br2: port 2(vx2) entered blocking state
[ 37.884658][ T426] br2: port 2(vx2) entered forwarding state
[ 38.909260][ T35] br2: port 1(w1) entered blocking state
[ 38.909895][ T35] br2: port 1(w1) entered forwarding state
[ 50.500679][ T499] GACT probability NOT on
[ 114.468148][ T766] veth3: entered promiscuous mode
[ 159.923592][ T1255] veth3: left promiscuous mode
[ 191.190696][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.291984][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.393504][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.494994][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.596260][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.697607][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.799026][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 191.900286][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 192.001717][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 192.103226][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.342377][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.443606][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.545323][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.646916][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.748140][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.849261][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 197.950401][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 198.051785][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 198.153280][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 198.254835][ C0] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.419647][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.520726][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.621898][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.723481][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.824949][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 276.926213][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 277.027889][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 277.129373][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 277.230510][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 277.331798][ C1] vxlan: non-ECT from 2001:0db8:0004:0000:0000:0000:0000:0001
[ 279.345249][ T2224] vx1: left allmulticast mode
[ 279.345828][ T2224] vx1: left promiscuous mode
[ 279.346696][ T2224] br1: port 1(vx1) entered disabled state
[ 285.197113][ T2229] br1: port 1(vx1) entered blocking state
[ 285.198199][ T2229] br1: port 1(vx1) entered disabled state
[ 285.198851][ T2229] vx1: entered allmulticast mode
[ 285.204867][ T2229] vx1: entered promiscuous mode
[ 285.207134][ T2229] br1: port 1(vx1) entered blocking state
[ 285.207779][ T2229] br1: port 1(vx1) entered forwarding state
[ 358.625440][ T2517] veth3: entered promiscuous mode
[ 405.336627][ T3007] veth3: left promiscuous mode
[ 406.650072][ T12] vx2: left allmulticast mode
[ 406.650809][ T12] vx2: left promiscuous mode
[ 406.651733][ T12] br2: port 2(vx2) entered disabled state
[ 406.658643][ T12] w1: left allmulticast mode
[ 406.659161][ T12] w1: left promiscuous mode
[ 406.659772][ T12] br2: port 1(w1) entered disabled state
[ 406.738398][ T12] ==================================================================
[ 406.738839][ T12] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 406.739277][ T12] Read of size 1 at addr ffff8880058696ac by task kworker/u16:0/12
[ 406.739670][ T12]
[ 406.739817][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 406.739825][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 406.739831][ T12] Workqueue: netns cleanup_net
[ 406.739848][ T12] Call Trace:
[ 406.739853][ T12]
[ 406.739857][ T12] dump_stack_lvl+0x82/0xc0
[ 406.739866][ T12] print_address_description.constprop.0+0x2c/0x3a0
[ 406.739877][ T12] ? kobject_put+0xbb/0xd0
[ 406.739883][ T12] print_report+0xb4/0x270
[ 406.739888][ T12] ? kobject_put+0xbb/0xd0
[ 406.739893][ T12] ? kasan_addr_to_slab+0x21/0x70
[ 406.739898][ T12] ? kobject_put+0xbb/0xd0
[ 406.739903][ T12] kasan_report+0xca/0x100
[ 406.739909][ T12] ? kobject_put+0xbb/0xd0
[ 406.739919][ T12] kobject_put+0xbb/0xd0
[ 406.739926][ T12] netdev_run_todo+0x5f0/0xc60
[ 406.739932][ T12] ? rtnl_is_locked+0x15/0x20
[ 406.739938][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 406.739943][ T12] ? generic_xdp_install+0x410/0x410
[ 406.739955][ T12] ops_undo_list+0x714/0x890
[ 406.739965][ T12] ? netns_get+0x110/0x110
[ 406.739969][ T12] ? cleanup_net+0x2d6/0x830
[ 406.739979][ T12] cleanup_net+0x3b2/0x830
[ 406.739986][ T12] ? net_passive_dec+0x190/0x190
[ 406.739993][ T12] ? rcu_is_watching+0x12/0xb0
[ 406.740003][ T12] process_one_work+0xe35/0x1650
[ 406.740016][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 406.740027][ T12] ? assign_work+0x168/0x240
[ 406.740034][ T12] worker_thread+0x591/0xcf0
[ 406.740045][ T12] ? rescuer_thread+0xd10/0xd10
[ 406.740051][ T12] kthread+0x37b/0x5f0
[ 406.740058][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.740062][ T12] ? ret_from_fork+0x1b/0x270
[ 406.740071][ T12] ? __lock_release+0x5d/0x170
[ 406.740080][ T12] ? rcu_is_watching+0x12/0xb0
[ 406.740085][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.740091][ T12] ret_from_fork+0x1db/0x270
[ 406.740095][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.740100][ T12] ret_from_fork_asm+0x11/0x20
[ 406.740120][ T12]
[ 406.740122][ T12]
[ 406.750830][ T12] Allocated by task 399:
[ 406.751045][ T12] kasan_save_stack+0x24/0x40
[ 406.751330][ T12] kasan_save_track+0x14/0x30
[ 406.751602][ T12] __kasan_kmalloc+0x7b/0x90
[ 406.751871][ T12] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 406.752140][ T12] alloc_netdev_mqs+0x7d/0x1370
[ 406.752409][ T12] sit_init_net+0x169/0x550
[ 406.752683][ T12] ops_init+0x189/0x550
[ 406.752899][ T12] setup_net+0xf1/0x380
[ 406.753082][ T12] copy_net_ns+0x21a/0x380
[ 406.753271][ T12] create_new_namespaces+0x35f/0x900
[ 406.753514][ T12] unshare_nsproxy_namespaces+0x89/0x120
[ 406.753730][ T12] ksys_unshare+0x2a3/0x660
[ 406.753978][ T12] __x64_sys_unshare+0x31/0x40
[ 406.754243][ T12] do_syscall_64+0xc1/0xfd0
[ 406.754546][ T12] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 406.754910][ T12]
[ 406.755042][ T12] Freed by task 12:
[ 406.755239][ T12] kasan_save_stack+0x24/0x40
[ 406.755538][ T12] kasan_save_track+0x14/0x30
[ 406.755753][ T12] __kasan_save_free_info+0x3b/0x60
[ 406.755992][ T12] __kasan_slab_free+0x3f/0x60
[ 406.756195][ T12] kfree+0x21d/0x540
[ 406.756353][ T12] device_release+0x9c/0x210
[ 406.756646][ T12] kobject_cleanup+0xfe/0x360
[ 406.756920][ T12] netdev_run_todo+0x81f/0xc60
[ 406.757189][ T12] ops_undo_list+0x714/0x890
[ 406.757464][ T12] cleanup_net+0x3b2/0x830
[ 406.757733][ T12] process_one_work+0xe35/0x1650
[ 406.758012][ T12] worker_thread+0x591/0xcf0
[ 406.758280][ T12] kthread+0x37b/0x5f0
[ 406.758488][ T12] ret_from_fork+0x1db/0x270
[ 406.758763][ T12] ret_from_fork_asm+0x11/0x20
[ 406.759031][ T12]
[ 406.759170][ T12] The buggy address belongs to the object at ffff888005869000
[ 406.759170][ T12] which belongs to the cache kmalloc-4k of size 4096
[ 406.759820][ T12] The buggy address is located 1708 bytes inside of
[ 406.759820][ T12] freed 4096-byte region [ffff888005869000, ffff88800586a000)
[ 406.760495][ T12]
[ 406.760632][ T12] The buggy address belongs to the physical page:
[ 406.760967][ T12] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x5868
[ 406.761447][ T12] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 406.761863][ T12] flags: 0x80000000000040(head|node=0|zone=1)
[ 406.762127][ T12] page_type: f5(slab)
[ 406.762267][ T12] raw: 0080000000000040 ffff888001043700 ffffea00000a7c10 ffffea00002e6a10
[ 406.762722][ T12] raw: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 406.763196][ T12] head: 0080000000000040 ffff888001043700 ffffea00000a7c10 ffffea00002e6a10
[ 406.763685][ T12] head: 0000000000000000 0000000000020002 00000000f5000000 0000000000000000
[ 406.764236][ T12] head: 0080000000000003 ffffea0000161a01 00000000ffffffff 00000000ffffffff
[ 406.764708][ T12] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 406.765366][ T12] page dumped because: kasan: bad access detected
[ 406.765702][ T12]
[ 406.765834][ T12] Memory state around the buggy address:
[ 406.766128][ T12] ffff888005869580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 406.766550][ T12] ffff888005869600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 406.766938][ T12] >ffff888005869680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 406.767340][ T12] ^
[ 406.767690][ T12] ffff888005869700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 406.768015][ T12] ffff888005869780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 406.768411][ T12] ==================================================================
[ 406.768894][ T12] Disabling lock debugging due to kernel taint
[ 406.769246][ T12] ------------[ cut here ]------------
[ 406.769770][ T12] refcount_t: underflow; use-after-free.
[ 406.770230][ T12] WARNING: CPU: 3 PID: 12 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 406.770864][ T12] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel bridge stp llc sch_ingress vrf veth
[ 406.771518][ T12] CPU: 3 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 406.772169][ T12] Tainted: [B]=BAD_PAGE
[ 406.772379][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 406.772867][ T12] Workqueue: netns cleanup_net
[ 406.773069][ T12] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 406.773314][ T12] 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 05 89 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
[ 406.774005][ T12] RSP: 0018:ffffc900000c7a08 EFLAGS: 00010282
[ 406.774331][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 406.774886][ T12] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 406.775748][ T12] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff133e134
[ 406.776164][ T12] R10: 0000000000000003 R11: ffffc900000c7580 R12: 0000000000000001
[ 406.776575][ T12] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 406.776968][ T12] FS: 0000000000000000(0000) GS:ffff8880ab572000(0000) knlGS:0000000000000000
[ 406.777426][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 406.777769][ T12] CR2: 000055828fd3c928 CR3: 0000000023d35001 CR4: 0000000000772ef0
[ 406.778157][ T12] PKRU: 55555554
[ 406.778375][ T12] Call Trace:
[ 406.778592][ T12]
[ 406.778727][ T12] netdev_run_todo+0x5f0/0xc60
[ 406.779182][ T12] ? rtnl_is_locked+0x15/0x20
[ 406.779499][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 406.779929][ T12] ? generic_xdp_install+0x410/0x410
[ 406.780231][ T12] ops_undo_list+0x714/0x890
[ 406.780524][ T12] ? netns_get+0x110/0x110
[ 406.780983][ T12] ? cleanup_net+0x2d6/0x830
[ 406.781403][ T12] cleanup_net+0x3b2/0x830
[ 406.781715][ T12] ? net_passive_dec+0x190/0x190
[ 406.781990][ T12] ? rcu_is_watching+0x12/0xb0
[ 406.782249][ T12] process_one_work+0xe35/0x1650
[ 406.782576][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 406.782851][ T12] ? assign_work+0x168/0x240
[ 406.783305][ T12] worker_thread+0x591/0xcf0
[ 406.783607][ T12] ? rescuer_thread+0xd10/0xd10
[ 406.783911][ T12] kthread+0x37b/0x5f0
[ 406.784111][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.784359][ T12] ? ret_from_fork+0x1b/0x270
[ 406.784565][ T12] ? __lock_release+0x5d/0x170
[ 406.784904][ T12] ? rcu_is_watching+0x12/0xb0
[ 406.785161][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.785432][ T12] ret_from_fork+0x1db/0x270
[ 406.785729][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 406.786132][ T12] ret_from_fork_asm+0x11/0x20
[ 406.786403][ T12]
[ 406.786636][ T12] irq event stamp: 63503
[ 406.786852][ T12] hardirqs last enabled at (63503): [] irqentry_exit+0x3b/0x80
[ 406.787330][ T12] hardirqs last disabled at (63502): [] handle_softirqs+0x47f/0x610
[ 406.787803][ T12] softirqs last enabled at (63352): [] handle_softirqs+0x352/0x610
[ 406.788284][ T12] softirqs last disabled at (63343): [] irq_exit_rcu+0xab/0x100
[ 406.788929][ T12] ---[ end trace 0000000000000000 ]---
[ 407.016055][ T12] vx2: left allmulticast mode
[ 407.016347][ T12] vx2: left promiscuous mode
[ 407.017249][ T12] br2: port 2(vx2) entered disabled state
[ 407.019005][ T12] w1: left allmulticast mode
[ 407.019302][ T12] w1: left promiscuous mode
[ 407.020047][ T12] br2: port 1(w1) entered disabled state
[ 408.814976][ T3046] br1: port 3(veth2) entered disabled state
[ 408.887702][ T3047] veth2: left allmulticast mode
[ 408.887951][ T3047] veth2: left promiscuous mode
[ 408.888311][ T3047] br1: port 3(veth2) entered disabled state
[ 409.087324][ T3049] br1: port 2(veth1) entered disabled state
[ 409.168091][ T3050] veth1: left allmulticast mode
[ 409.168447][ T3050] veth1: left promiscuous mode
[ 409.168871][ T3050] br1: port 2(veth1) entered disabled state
[ 409.256906][ T3051] vx1: left allmulticast mode
[ 409.257215][ T3051] vx1: left promiscuous mode
[ 409.257642][ T3051] br1: port 1(vx1) entered disabled state