make -C tools/testing/selftests TARGETS=net/forwarding TEST_PROGS=vxlan_brridge_1q_port_8472_ipv6.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-4/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# timeout set to 10800
# selftests: net/forwarding: vxlan_bridge_1q_port_8472_ipv6.sh
[ 171.624853][ T870] br1: port 1(vx10) entered blocking state
[ 171.625202][ T870] br1: port 1(vx10) entered disabled state
[ 171.625586][ T870] vx10: entered allmulticast mode
[ 171.628460][ T870] vx10: entered promiscuous mode
[ 171.629320][ T870] br1: port 1(vx10) entered blocking state
[ 171.629640][ T870] br1: port 1(vx10) entered forwarding state
[ 172.044310][ T875] br1: port 2(vx20) entered blocking state
[ 172.044682][ T875] br1: port 2(vx20) entered disabled state
[ 172.048608][ T875] vx20: entered allmulticast mode
[ 172.051729][ T875] vx20: entered promiscuous mode
[ 172.052475][ T875] br1: port 2(vx20) entered blocking state
[ 172.052870][ T875] br1: port 2(vx20) entered forwarding state
[ 172.246374][ T877] br1: port 3(veth1) entered blocking state
[ 172.246736][ T877] br1: port 3(veth1) entered disabled state
[ 172.247098][ T877] veth1: entered allmulticast mode
[ 172.249098][ T877] veth1: entered promiscuous mode
[ 172.339989][ T49] br1: port 3(veth1) entered blocking state
[ 172.340396][ T49] br1: port 3(veth1) entered forwarding state
[ 172.756798][ T882] br1: port 4(veth2) entered blocking state
[ 172.757333][ T882] br1: port 4(veth2) entered disabled state
[ 172.757875][ T882] veth2: entered allmulticast mode
[ 172.761127][ T882] veth2: entered promiscuous mode
[ 172.882205][ T380] br1: port 4(veth2) entered blocking state
[ 172.882584][ T380] br1: port 4(veth2) entered forwarding state
[ 176.556967][ T934] br2: port 1(w1) entered blocking state
[ 176.558255][ T934] br2: port 1(w1) entered disabled state
[ 176.558630][ T934] w1: entered allmulticast mode
[ 176.560843][ T934] w1: entered promiscuous mode
[ 177.354532][ T942] br2: port 2(vx10) entered blocking state
[ 177.354884][ T942] br2: port 2(vx10) entered disabled state
[ 177.355278][ T942] vx10: entered allmulticast mode
[ 177.357991][ T942] vx10: entered promiscuous mode
[ 177.363024][ T942] br2: port 2(vx10) entered blocking state
[ 177.363371][ T942] br2: port 2(vx10) entered forwarding state
[ 178.057449][ T949] br2: port 3(vx20) entered blocking state
[ 178.057818][ T949] br2: port 3(vx20) entered disabled state
[ 178.058189][ T949] vx20: entered allmulticast mode
[ 178.060180][ T949] vx20: entered promiscuous mode
[ 178.060800][ T949] br2: port 3(vx20) entered blocking state
[ 178.061120][ T949] br2: port 3(vx20) entered forwarding state
[ 178.899877][ T473] br2: port 1(w1) entered blocking state
[ 178.900277][ T473] br2: port 1(w1) entered forwarding state
[ 181.501003][ T986] br2: port 1(w1) entered blocking state
[ 181.501369][ T986] br2: port 1(w1) entered disabled state
[ 181.501733][ T986] w1: entered allmulticast mode
[ 181.503712][ T986] w1: entered promiscuous mode
[ 182.370025][ T994] br2: port 2(vx10) entered blocking state
[ 182.371248][ T994] br2: port 2(vx10) entered disabled state
[ 182.371784][ T994] vx10: entered allmulticast mode
[ 182.375852][ T994] vx10: entered promiscuous mode
[ 182.376893][ T994] br2: port 2(vx10) entered blocking state
[ 182.377395][ T994] br2: port 2(vx10) entered forwarding state
[ 183.078067][ T1001] br2: port 3(vx20) entered blocking state
[ 183.079591][ T1001] br2: port 3(vx20) entered disabled state
[ 183.080340][ T1001] vx20: entered allmulticast mode
[ 183.082460][ T1001] vx20: entered promiscuous mode
[ 183.083071][ T1001] br2: port 3(vx20) entered blocking state
[ 183.083426][ T1001] br2: port 3(vx20) entered forwarding state
[ 183.944466][ T473] br2: port 1(w1) entered blocking state
[ 183.944843][ T473] br2: port 1(w1) entered forwarding state
# INFO: Running tests with UDP port 8472
# TEST: ping: local->local vid 10 [ OK ]
# TEST: ping: local->local vid 20 [ OK ]
[ 195.360939][ T1074] GACT probability NOT on
# TEST: ping: local->remote 1 vid 10 [ OK ]
# TEST: ping: local->remote 2 vid 10 [ OK ]
# TEST: ping: local->remote 1 vid 20 [ OK ]
# TEST: ping: local->remote 2 vid 20 [ OK ]
# TEST: ping6: local->local vid 10 [ OK ]
# TEST: ping6: local->local vid 20 [ OK ]
# TEST: ping6: local->remote 1 vid 10 [ OK ]
# TEST: ping6: local->remote 2 vid 10 [ OK ]
# TEST: ping6: local->remote 1 vid 20 [ OK ]
# TEST: ping6: local->remote 2 vid 20 [ OK ]
[ 288.968964][ T70] vx20: left allmulticast mode
[ 288.969314][ T70] vx20: left promiscuous mode
[ 288.969758][ T70] br2: port 3(vx20) entered disabled state
[ 288.979269][ T70] vx10: left allmulticast mode
[ 288.979605][ T70] vx10: left promiscuous mode
[ 288.980012][ T70] br2: port 2(vx10) entered disabled state
[ 288.990401][ T70] w1: left allmulticast mode
[ 288.990709][ T70] w1: left promiscuous mode
[ 288.991087][ T70] br2: port 1(w1) entered disabled state
[ 289.005718][ T70] ==================================================================
[ 289.006208][ T70] BUG: KASAN: slab-use-after-free in kobject_put+0xc7/0xe0
[ 289.006616][ T70] Read of size 1 at addr ffff888008dec2fc by task kworker/u8:1/70
[ 289.007043][ T70]
[ 289.007201][ T70] CPU: 2 PID: 70 Comm: kworker/u8:1 Not tainted 6.8.0-rc2-virtme #1
[ 289.007611][ T70] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 289.008282][ T70] Workqueue: netns cleanup_net
[ 289.008567][ T70] Call Trace:
[ 289.008750][ T70]
[ 289.008934][ T70] dump_stack_lvl+0x64/0xb0
[ 289.009196][ T70] print_address_description.constprop.0+0x2c/0x3b0
[ 289.009566][ T70] ? kobject_put+0xc7/0xe0
[ 289.009818][ T70] print_report+0xb5/0x270
[ 289.010048][ T70] ? kasan_addr_to_slab+0x4e/0x90
[ 289.010331][ T70] kasan_report+0xbe/0xf0
[ 289.010611][ T70] ? kobject_put+0xc7/0xe0
[ 289.010871][ T70] kobject_put+0xc7/0xe0
[ 289.011124][ T70] br_sysfs_delbr+0x3f/0x70 [bridge]
[ 289.011520][ T70] br_dev_delete+0x10d/0x190 [bridge]
[ 289.011833][ T70] br_net_exit_batch_rtnl+0xd6/0x190 [bridge]
[ 289.012197][ T70] cleanup_net+0x499/0xa20
[ 289.012456][ T70] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 289.012760][ T70] ? __pfx_cleanup_net+0x10/0x10
[ 289.013031][ T70] ? lock_acquire+0x1c1/0x220
[ 289.013289][ T70] ? process_one_work+0x714/0x1310
[ 289.013618][ T70] process_one_work+0x78f/0x1310
[ 289.013909][ T70] ? hlock_class+0x4e/0x130
[ 289.014185][ T70] ? __pfx_process_one_work+0x10/0x10
[ 289.014509][ T70] ? assign_work+0x16c/0x240
[ 289.014769][ T70] worker_thread+0x73d/0x1010
[ 289.015047][ T70] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 289.015394][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.015677][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.015969][ T70] kthread+0x292/0x360
[ 289.016205][ T70] ? __pfx_kthread+0x10/0x10
[ 289.016504][ T70] ret_from_fork+0x34/0x70
[ 289.016764][ T70] ? __pfx_kthread+0x10/0x10
[ 289.017052][ T70] ret_from_fork_asm+0x1b/0x30
[ 289.017333][ T70]
[ 289.017522][ T70]
[ 289.017647][ T70] Allocated by task 983:
[ 289.017909][ T70] kasan_save_stack+0x24/0x50
[ 289.018191][ T70] kasan_save_track+0x14/0x30
[ 289.018454][ T70] __kasan_kmalloc+0x7f/0x90
[ 289.018696][ T70] kobject_create_and_add+0x44/0xc0
[ 289.018986][ T70] br_sysfs_addbr+0x57/0x160 [bridge]
[ 289.019333][ T70] br_device_event+0x1ff/0x740 [bridge]
[ 289.019700][ T70] notifier_call_chain+0x9d/0x290
[ 289.020036][ T70] register_netdevice+0x116d/0x17a0
[ 289.020330][ T70] br_dev_newlink+0x2b/0x100 [bridge]
[ 289.020677][ T70] rtnl_newlink_create+0x344/0x850
[ 289.020997][ T70] __rtnl_newlink+0xad2/0xd60
[ 289.021273][ T70] rtnl_newlink+0x63/0xa0
[ 289.021501][ T70] rtnetlink_rcv_msg+0x2fe/0xb80
[ 289.021762][ T70] netlink_rcv_skb+0x133/0x360
[ 289.022033][ T70] netlink_unicast+0x44c/0x710
[ 289.022307][ T70] netlink_sendmsg+0x726/0xbe0
[ 289.022588][ T70] ____sys_sendmsg+0x7b5/0xa10
[ 289.022873][ T70] ___sys_sendmsg+0xee/0x170
[ 289.023164][ T70] __sys_sendmsg+0xcd/0x170
[ 289.023428][ T70] do_syscall_64+0xcc/0x1e0
[ 289.023717][ T70] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 289.024067][ T70]
[ 289.024191][ T70] Freed by task 70:
[ 289.024404][ T70] kasan_save_stack+0x24/0x50
[ 289.024674][ T70] kasan_save_track+0x14/0x30
[ 289.024938][ T70] kasan_save_free_info+0x3f/0x60
[ 289.025220][ T70] __kasan_slab_free+0xfc/0x1c0
[ 289.025491][ T70] kfree+0xf2/0x2d0
[ 289.025692][ T70] kobject_cleanup+0xe2/0x280
[ 289.025957][ T70] br_sysfs_delbr+0x3f/0x70 [bridge]
[ 289.026294][ T70] br_dev_delete+0x10d/0x190 [bridge]
[ 289.026642][ T70] default_device_exit_batch_rtnl+0x112/0x210
[ 289.026970][ T70] cleanup_net+0x499/0xa20
[ 289.027219][ T70] process_one_work+0x78f/0x1310
[ 289.027506][ T70] worker_thread+0x73d/0x1010
[ 289.027753][ T70] kthread+0x292/0x360
[ 289.027970][ T70] ret_from_fork+0x34/0x70
[ 289.028204][ T70] ret_from_fork_asm+0x1b/0x30
[ 289.028454][ T70]
[ 289.028601][ T70] The buggy address belongs to the object at ffff888008dec2c0
[ 289.028601][ T70] which belongs to the cache kmalloc-64 of size 64
[ 289.029375][ T70] The buggy address is located 60 bytes inside of
[ 289.029375][ T70] freed 64-byte region [ffff888008dec2c0, ffff888008dec300)
[ 289.030130][ T70]
[ 289.030265][ T70] The buggy address belongs to the physical page:
[ 289.030618][ T70] page:ffffea0000237b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888008ded940 pfn:0x8dec
[ 289.031212][ T70] head:ffffea0000237b00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 289.031672][ T70] flags: 0x80000000000a40(workingset|slab|head|node=0|zone=1)
[ 289.032057][ T70] page_type: 0xffffffff()
[ 289.032282][ T70] raw: 0080000000000a40 ffff888001042900 ffff888001040ad0 ffffea0000197590
[ 289.032724][ T70] raw: ffff888008ded940 0000000000190016 00000001ffffffff 0000000000000000
[ 289.033171][ T70] page dumped because: kasan: bad access detected
[ 289.033501][ T70]
[ 289.033649][ T70] Memory state around the buggy address:
[ 289.033954][ T70] ffff888008dec180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[ 289.034397][ T70] ffff888008dec200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 289.034809][ T70] >ffff888008dec280: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[ 289.035229][ T70] ^
[ 289.035637][ T70] ffff888008dec300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 289.036063][ T70] ffff888008dec380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 289.036484][ T70] ==================================================================
[ 289.036976][ T70] Disabling lock debugging due to kernel taint
[ 289.037343][ T70] ------------[ cut here ]------------
[ 289.037678][ T70] refcount_t: underflow; use-after-free.
[ 289.038078][ T70] WARNING: CPU: 2 PID: 70 at lib/refcount.c:28 refcount_warn_saturate+0x173/0x1b0
[ 289.038581][ T70] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel sch_ingress bridge stp llc 8021q vrf veth
[ 289.039306][ T70] CPU: 2 PID: 70 Comm: kworker/u8:1 Tainted: G B 6.8.0-rc2-virtme #1
[ 289.039879][ T70] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 289.040639][ T70] Workqueue: netns cleanup_net
[ 289.040917][ T70] RIP: 0010:refcount_warn_saturate+0x173/0x1b0
[ 289.041242][ T70] Code: 64 5d 03 80 fb 01 0f 87 54 5a 91 01 83 e3 01 0f 85 4d ff ff ff c6 05 d6 64 5d 03 01 90 48 c7 c7 00 58 c2 ae e8 5e 4c 2b ff 90 <0f> 0b 90 90 e9 2f ff ff ff 48 89 df e8 7c 23 a7 ff e9 b6 fe ff ff
[ 289.042350][ T70] RSP: 0018:ffffc9000050fb98 EFLAGS: 00010282
[ 289.042692][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffac10e74f
[ 289.043159][ T70] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
[ 289.043618][ T70] RBP: 0000000000000003 R08: 0000000000000000 R09: fffff520000a1f18
[ 289.044050][ T70] R10: ffffc9000050f8c7 R11: 205d303754202020 R12: ffff888009b4a000
[ 289.044535][ T70] R13: ffff888009b4add8 R14: ffffc9000050fc98 R15: ffff888009b4aba0
[ 289.045032][ T70] FS: 0000000000000000(0000) GS:ffff888035a00000(0000) knlGS:0000000000000000
[ 289.045577][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 289.045964][ T70] CR2: 000055cff50b945c CR3: 0000000003ba4001 CR4: 00000000001706f0
[ 289.046461][ T70] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 289.046901][ T70] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 289.047370][ T70] Call Trace:
[ 289.047571][ T70]
[ 289.047756][ T70] ? __warn+0xcd/0x2d0
[ 289.048020][ T70] ? refcount_warn_saturate+0x173/0x1b0
[ 289.048380][ T70] ? report_bug+0x291/0x2e0
[ 289.048649][ T70] ? vprintk_emit+0xff/0x1d0
[ 289.048950][ T70] ? handle_bug+0x3d/0x80
[ 289.049194][ T70] ? exc_invalid_op+0x18/0x50
[ 289.049467][ T70] ? asm_exc_invalid_op+0x1a/0x20
[ 289.049767][ T70] ? desc_read+0x2af/0x440
[ 289.050028][ T70] ? refcount_warn_saturate+0x173/0x1b0
[ 289.050349][ T70] ? refcount_warn_saturate+0x172/0x1b0
[ 289.050669][ T70] br_sysfs_delbr+0x3f/0x70 [bridge]
[ 289.051004][ T70] br_dev_delete+0x10d/0x190 [bridge]
[ 289.051338][ T70] br_net_exit_batch_rtnl+0xd6/0x190 [bridge]
[ 289.051718][ T70] cleanup_net+0x499/0xa20
[ 289.051955][ T70] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 289.052300][ T70] ? __pfx_cleanup_net+0x10/0x10
[ 289.052576][ T70] ? lock_acquire+0x1c1/0x220
[ 289.052855][ T70] ? process_one_work+0x714/0x1310
[ 289.053163][ T70] process_one_work+0x78f/0x1310
[ 289.053479][ T70] ? hlock_class+0x4e/0x130
[ 289.053771][ T70] ? __pfx_process_one_work+0x10/0x10
[ 289.054094][ T70] ? assign_work+0x16c/0x240
[ 289.054345][ T70] worker_thread+0x73d/0x1010
[ 289.054592][ T70] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 289.054934][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.055202][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.055474][ T70] kthread+0x292/0x360
[ 289.055689][ T70] ? __pfx_kthread+0x10/0x10
[ 289.055933][ T70] ret_from_fork+0x34/0x70
[ 289.056166][ T70] ? __pfx_kthread+0x10/0x10
[ 289.056417][ T70] ret_from_fork_asm+0x1b/0x30
[ 289.056674][ T70]
[ 289.056838][ T70] irq event stamp: 84397
[ 289.057058][ T70] hardirqs last enabled at (84397): [] irqentry_exit+0x3b/0x90
[ 289.057624][ T70] hardirqs last disabled at (84396): [] __do_softirq+0x670/0x7ff
[ 289.058185][ T70] softirqs last enabled at (84382): [] br_dev_delete+0xd8/0x190 [bridge]
[ 289.058823][ T70] softirqs last disabled at (84380): [] br_fdb_delete_by_port+0x36/0x260 [bridge]
[ 289.059484][ T70] ---[ end trace 0000000000000000 ]---
[ 289.059784][ T70] ------------[ cut here ]------------
[ 289.060130][ T70] sysfs group 'bridge' not found for kobject 'br2'
[ 289.060642][ T70] WARNING: CPU: 2 PID: 70 at fs/sysfs/group.c:282 sysfs_remove_group+0x101/0x160
[ 289.061209][ T70] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel sch_ingress bridge stp llc 8021q vrf veth
[ 289.061982][ T70] CPU: 2 PID: 70 Comm: kworker/u8:1 Tainted: G B W 6.8.0-rc2-virtme #1
[ 289.062546][ T70] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 289.063282][ T70] Workqueue: netns cleanup_net
[ 289.063591][ T70] RIP: 0010:sysfs_remove_group+0x101/0x160
[ 289.063944][ T70] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 99 bc ae e8 10 18 5f ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 69 ee da ff
[ 289.065212][ T70] RSP: 0018:ffffc9000050fba0 EFLAGS: 00010282
[ 289.065562][ T70] RAX: 0000000000000000 RBX: ffffffffc06eef00 RCX: ffffffffac10e74f
[ 289.065993][ T70] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
[ 289.066448][ T70] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff520000a1f19
[ 289.066978][ T70] R10: ffffc9000050f8cf R11: 205d303754202020 R12: ffff888009b4a610
[ 289.067435][ T70] R13: ffff888009b4add8 R14: ffffc9000050fc98 R15: ffff888009b4aba0
[ 289.067889][ T70] FS: 0000000000000000(0000) GS:ffff888035a00000(0000) knlGS:0000000000000000
[ 289.068551][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 289.068943][ T70] CR2: 000055cff50b945c CR3: 0000000003ba4001 CR4: 00000000001706f0
[ 289.069464][ T70] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 289.069925][ T70] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 289.070443][ T70] Call Trace:
[ 289.070638][ T70]
[ 289.070815][ T70] ? __warn+0xcd/0x2d0
[ 289.071060][ T70] ? console_trylock+0x61/0xf0
[ 289.071368][ T70] ? sysfs_remove_group+0x101/0x160
[ 289.071701][ T70] ? report_bug+0x291/0x2e0
[ 289.071962][ T70] ? handle_bug+0x3d/0x80
[ 289.072255][ T70] ? exc_invalid_op+0x18/0x50
[ 289.072541][ T70] ? asm_exc_invalid_op+0x1a/0x20
[ 289.072838][ T70] ? desc_read+0x2af/0x440
[ 289.073118][ T70] ? sysfs_remove_group+0x101/0x160
[ 289.073435][ T70] br_dev_delete+0x10d/0x190 [bridge]
[ 289.073787][ T70] br_net_exit_batch_rtnl+0xd6/0x190 [bridge]
[ 289.074191][ T70] cleanup_net+0x499/0xa20
[ 289.074562][ T70] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 289.074922][ T70] ? __pfx_cleanup_net+0x10/0x10
[ 289.075246][ T70] ? lock_acquire+0x1c1/0x220
[ 289.075548][ T70] ? process_one_work+0x714/0x1310
[ 289.075867][ T70] process_one_work+0x78f/0x1310
[ 289.076159][ T70] ? hlock_class+0x4e/0x130
[ 289.076419][ T70] ? __pfx_process_one_work+0x10/0x10
[ 289.076773][ T70] ? assign_work+0x16c/0x240
[ 289.077059][ T70] worker_thread+0x73d/0x1010
[ 289.077335][ T70] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 289.077724][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.078107][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.078529][ T70] kthread+0x292/0x360
[ 289.078761][ T70] ? __pfx_kthread+0x10/0x10
[ 289.079032][ T70] ret_from_fork+0x34/0x70
[ 289.079273][ T70] ? __pfx_kthread+0x10/0x10
[ 289.079536][ T70] ret_from_fork_asm+0x1b/0x30
[ 289.079821][ T70]
[ 289.080032][ T70] irq event stamp: 84397
[ 289.080266][ T70] hardirqs last enabled at (84397): [] irqentry_exit+0x3b/0x90
[ 289.080794][ T70] hardirqs last disabled at (84396): [] __do_softirq+0x670/0x7ff
[ 289.081411][ T70] softirqs last enabled at (84382): [] br_dev_delete+0xd8/0x190 [bridge]
[ 289.081993][ T70] softirqs last disabled at (84380): [] br_fdb_delete_by_port+0x36/0x260 [bridge]
[ 289.082661][ T70] ---[ end trace 0000000000000000 ]---
[ 289.268059][ T70] vx20: left allmulticast mode
[ 289.269095][ T70] vx20: left promiscuous mode
[ 289.269446][ T70] br2: port 3(vx20) entered disabled state
[ 289.277481][ T70] vx10: left allmulticast mode
[ 289.277761][ T70] vx10: left promiscuous mode
[ 289.278111][ T70] br2: port 2(vx10) entered disabled state
[ 289.288075][ T70] w1: left allmulticast mode
[ 289.288368][ T70] w1: left promiscuous mode
[ 289.288720][ T70] br2: port 1(w1) entered disabled state
[ 289.300839][ T70] ------------[ cut here ]------------
[ 289.301159][ T70] sysfs group 'bridge' not found for kobject 'br2'
[ 289.301549][ T70] WARNING: CPU: 2 PID: 70 at fs/sysfs/group.c:282 sysfs_remove_group+0x101/0x160
[ 289.302052][ T70] Modules linked in: act_gact cls_flower vxlan ip6_udp_tunnel udp_tunnel sch_ingress bridge stp llc 8021q vrf veth
[ 289.302733][ T70] CPU: 2 PID: 70 Comm: kworker/u8:1 Tainted: G B W 6.8.0-rc2-virtme #1
[ 289.303242][ T70] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 289.303939][ T70] Workqueue: netns cleanup_net
[ 289.304215][ T70] RIP: 0010:sysfs_remove_group+0x101/0x160
[ 289.304590][ T70] Code: 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 45 48 8b 33 48 c7 c7 a0 99 bc ae e8 10 18 5f ff 90 <0f> 0b 90 90 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc e8 69 ee da ff
[ 289.305679][ T70] RSP: 0018:ffffc9000050fba0 EFLAGS: 00010282
[ 289.306033][ T70] RAX: 0000000000000000 RBX: ffffffffc06eef00 RCX: ffffffffac10e74f
[ 289.306493][ T70] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001
[ 289.306954][ T70] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff520000a1f19
[ 289.307391][ T70] R10: ffffc9000050f8cf R11: 205d303754202020 R12: ffff888017402610
[ 289.307802][ T70] R13: ffff888017402dd8 R14: ffffc9000050fc98 R15: ffff888017402ba0
[ 289.308229][ T70] FS: 0000000000000000(0000) GS:ffff888035a00000(0000) knlGS:0000000000000000
[ 289.308728][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 289.309112][ T70] CR2: 00007f74920e4270 CR3: 0000000007c54003 CR4: 00000000001706f0
[ 289.309548][ T70] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 289.310000][ T70] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 289.310415][ T70] Call Trace:
[ 289.310590][ T70]
[ 289.310749][ T70] ? __warn+0xcd/0x2d0
[ 289.310969][ T70] ? console_trylock+0x61/0xf0
[ 289.311230][ T70] ? sysfs_remove_group+0x101/0x160
[ 289.311564][ T70] ? report_bug+0x291/0x2e0
[ 289.311830][ T70] ? handle_bug+0x3d/0x80
[ 289.312058][ T70] ? exc_invalid_op+0x18/0x50
[ 289.312333][ T70] ? asm_exc_invalid_op+0x1a/0x20
[ 289.312613][ T70] ? desc_read+0x2af/0x440
[ 289.312866][ T70] ? sysfs_remove_group+0x101/0x160
[ 289.313164][ T70] br_dev_delete+0x10d/0x190 [bridge]
[ 289.313501][ T70] br_net_exit_batch_rtnl+0xd6/0x190 [bridge]
[ 289.313857][ T70] cleanup_net+0x499/0xa20
[ 289.314105][ T70] ? lock_acquire+0x1c1/0x220
[ 289.314393][ T70] ? __pfx_cleanup_net+0x10/0x10
[ 289.314654][ T70] ? lock_acquire+0x1c1/0x220
[ 289.314896][ T70] ? process_one_work+0x714/0x1310
[ 289.315188][ T70] process_one_work+0x78f/0x1310
[ 289.315485][ T70] ? hlock_class+0x4e/0x130
[ 289.315742][ T70] ? __pfx_process_one_work+0x10/0x10
[ 289.316033][ T70] ? assign_work+0x16c/0x240
[ 289.316298][ T70] worker_thread+0x73d/0x1010
[ 289.316563][ T70] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370
[ 289.316938][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.317230][ T70] ? __pfx_worker_thread+0x10/0x10
[ 289.317497][ T70] kthread+0x292/0x360
[ 289.317719][ T70] ? __pfx_kthread+0x10/0x10
[ 289.317996][ T70] ret_from_fork+0x34/0x70
[ 289.318243][ T70] ? __pfx_kthread+0x10/0x10
[ 289.318488][ T70] ret_from_fork_asm+0x1b/0x30
[ 289.318763][ T70]
[ 289.318924][ T70] irq event stamp: 84397
[ 289.319172][ T70] hardirqs last enabled at (84397): [] irqentry_exit+0x3b/0x90
[ 289.319680][ T70] hardirqs last disabled at (84396): [] __do_softirq+0x670/0x7ff
[ 289.320189][ T70] softirqs last enabled at (84382): [] br_dev_delete+0xd8/0x190 [bridge]
[ 289.320791][ T70] softirqs last disabled at (84380): [] br_fdb_delete_by_port+0x36/0x260 [bridge]
[ 289.321400][ T70] ---[ end trace 0000000000000000 ]---
[ 290.808766][ T1258] br1: port 4(veth2) entered disabled state
[ 290.869272][ T1259] veth2: left allmulticast mode
[ 290.869571][ T1259] veth2: left promiscuous mode
[ 290.869901][ T1259] br1: port 4(veth2) entered disabled state
[ 291.152396][ T1263] br1: port 3(veth1) entered disabled state
[ 291.233242][ T1264] veth1: left allmulticast mode
[ 291.233593][ T1264] veth1: left promiscuous mode
[ 291.233926][ T1264] br1: port 3(veth1) entered disabled state
[ 291.376716][ T1266] vx20: left allmulticast mode
[ 291.377029][ T1266] vx20: left promiscuous mode
[ 291.378148][ T1266] br1: port 2(vx20) entered disabled state
[ 291.667960][ T1270] vx10: left allmulticast mode
[ 291.669010][ T1270] vx10: left promiscuous mode
[ 291.669599][ T1270] br1: port 1(vx10) entered disabled state
ok 1 selftests: net/forwarding: vxlan_bridge_1q_port_8472_ipv6.sh
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
xx__-> echo $?
0
xx__->