make -C tools/testing/selftests TARGETS=net/forwarding TEST_PROGS=dual_vxllan_bridge.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: dual_vxlan_bridge.sh [ 65.552590][ T615] br1: port 1(vx100) entered blocking state [ 65.552948][ T615] br1: port 1(vx100) entered disabled state [ 65.554062][ T615] vx100: entered allmulticast mode [ 65.556034][ T615] vx100: entered promiscuous mode [ 65.556863][ T615] br1: port 1(vx100) entered blocking state [ 65.557198][ T615] br1: port 1(vx100) entered forwarding state [ 65.759648][ T617] br1: port 2(veth1) entered blocking state [ 65.760275][ T617] br1: port 2(veth1) entered disabled state [ 65.760648][ T617] veth1: entered allmulticast mode [ 65.762619][ T617] veth1: entered promiscuous mode [ 65.859623][ T388] br1: port 2(veth1) entered blocking state [ 65.860079][ T388] br1: port 2(veth1) entered forwarding state [ 66.240449][ T623] br2: port 1(vx200) entered blocking state [ 66.240901][ T623] br2: port 1(vx200) entered disabled state [ 66.242216][ T623] vx200: entered allmulticast mode [ 66.244467][ T623] vx200: entered promiscuous mode [ 66.245849][ T623] br2: port 1(vx200) entered blocking state [ 66.246189][ T623] br2: port 1(vx200) entered forwarding state [ 66.548473][ T626] br2: port 2(veth2.20) entered blocking state [ 66.548935][ T626] br2: port 2(veth2.20) entered disabled state [ 66.549914][ T626] veth2.20: entered allmulticast mode [ 66.551921][ T626] veth2.20: entered promiscuous mode [ 66.639226][ T628] veth2: entered allmulticast mode [ 66.639553][ T628] veth2: entered promiscuous mode [ 66.640787][ T628] br2: port 2(veth2.20) entered blocking state [ 66.641217][ T628] br2: port 2(veth2.20) entered forwarding state [ 69.822911][ T668] br3: port 1(w1) entered blocking state [ 69.823885][ T668] br3: port 1(w1) entered disabled state [ 69.824247][ T668] w1: entered allmulticast mode [ 69.826197][ T668] w1: entered promiscuous mode [ 70.387862][ T674] br3: port 2(vx100) entered blocking state [ 70.388703][ T674] br3: port 2(vx100) entered disabled state [ 70.389094][ T674] vx100: entered allmulticast mode [ 70.391085][ T674] vx100: entered promiscuous mode [ 70.392015][ T674] br3: port 2(vx100) entered blocking state [ 70.392339][ T674] br3: port 2(vx100) entered forwarding state [ 71.073069][ T388] br3: port 1(w1) entered blocking state [ 71.073552][ T388] br3: port 1(w1) entered forwarding state [ 73.837259][ T712] br3: port 1(w1) entered blocking state [ 73.837599][ T712] br3: port 1(w1) entered disabled state [ 73.837948][ T712] w1: entered allmulticast mode [ 73.840691][ T712] w1: entered promiscuous mode [ 74.418705][ T718] br3: port 2(vx200) entered blocking state [ 74.420092][ T718] br3: port 2(vx200) entered disabled state [ 74.420461][ T718] vx200: entered allmulticast mode [ 74.422424][ T718] vx200: entered promiscuous mode [ 74.423281][ T718] br3: port 2(vx200) entered blocking state [ 74.423602][ T718] br3: port 2(vx200) entered forwarding state [ 75.096945][ T388] br3: port 1(w1) entered blocking state [ 75.097335][ T388] br3: port 1(w1) entered forwarding state [ 76.790415][ T747] br3: port 3(w1.20) entered blocking state [ 76.790777][ T747] br3: port 3(w1.20) entered disabled state [ 76.791165][ T747] w1.20: entered allmulticast mode [ 76.793135][ T747] w1.20: entered promiscuous mode [ 77.385673][ T755] br3: port 3(w1.20) entered blocking state [ 77.386054][ T755] br3: port 3(w1.20) entered forwarding state # Running tests with UDP port 4789 # TEST: ping: local->remote 1 through VxLAN with an 802.1ad bridge [ OK ] # TEST: ping: local->remote 2 through VxLAN with an 802.1d bridge [ OK ] [ 87.760074][ T11] w1.20: left allmulticast mode [ 87.760585][ T11] w1.20: left promiscuous mode [ 87.761347][ T11] br3: port 3(w1.20) entered disabled state [ 87.769871][ T11] vx200: left allmulticast mode [ 87.770577][ T11] vx200: left promiscuous mode [ 87.771139][ T11] br3: port 2(vx200) entered disabled state [ 87.781636][ T11] w1: left allmulticast mode [ 87.782076][ T11] w1: left promiscuous mode [ 87.782605][ T11] br3: port 1(w1) entered disabled state [ 87.795890][ T11] ================================================================== [ 87.796539][ T11] BUG: KASAN: slab-use-after-free in kobject_put+0xc7/0xe0 [ 87.797140][ T11] Read of size 1 at addr ffff888006ab90bc by task kworker/u8:0/11 [ 87.797785][ T11] [ 87.797974][ T11] CPU: 3 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1 [ 87.798635][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 87.799695][ T11] Workqueue: netns cleanup_net [ 87.800087][ T11] Call Trace: [ 87.800387][ T11] [ 87.800636][ T11] dump_stack_lvl+0x64/0xb0 [ 87.801020][ T11] print_address_description.constprop.0+0x2c/0x3b0 [ 87.801546][ T11] ? kobject_put+0xc7/0xe0 [ 87.801906][ T11] print_report+0xb5/0x270 [ 87.802266][ T11] ? kasan_addr_to_slab+0x4e/0x90 [ 87.802675][ T11] kasan_report+0xbe/0xf0 [ 87.803025][ T11] ? kobject_put+0xc7/0xe0 [ 87.803378][ T11] kobject_put+0xc7/0xe0 [ 87.803723][ T11] br_sysfs_delbr+0x3f/0x70 [bridge] [ 87.804263][ T11] br_dev_delete+0x10d/0x190 [bridge] [ 87.804750][ T11] br_net_exit_batch_rtnl+0xd6/0x190 [bridge] [ 87.805287][ T11] cleanup_net+0x499/0xa20 [ 87.805643][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 87.806088][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 87.806513][ T11] ? lock_acquire+0x1c1/0x220 [ 87.806922][ T11] ? process_one_work+0x714/0x1310 [ 87.807372][ T11] process_one_work+0x78f/0x1310 [ 87.807810][ T11] ? hlock_class+0x4e/0x130 [ 87.808238][ T11] ? __pfx_process_one_work+0x10/0x10 [ 87.808726][ T11] ? assign_work+0x16c/0x240 [ 87.809148][ T11] worker_thread+0x73d/0x1010 [ 87.809558][ T11] ? __pfx_worker_thread+0x10/0x10 [ 87.809998][ T11] kthread+0x292/0x360 [ 87.810364][ T11] ? __pfx_kthread+0x10/0x10 [ 87.810778][ T11] ret_from_fork+0x34/0x70 [ 87.811250][ T11] ? __pfx_kthread+0x10/0x10 [ 87.811642][ T11] ret_from_fork_asm+0x1b/0x30 [ 87.812077][ T11] [ 87.812328][ T11] [ 87.812551][ T11] Allocated by task 709: [ 87.812944][ T11] kasan_save_stack+0x24/0x50 [ 87.813334][ T11] kasan_save_track+0x14/0x30 [ 87.813737][ T11] __kasan_kmalloc+0x7f/0x90 [ 87.814205][ T11] kobject_create_and_add+0x44/0xc0 [ 87.814666][ T11] br_sysfs_addbr+0x57/0x160 [bridge] [ 87.815218][ T11] br_device_event+0x1ff/0x740 [bridge] [ 87.815744][ T11] notifier_call_chain+0x9d/0x290 [ 87.816180][ T11] register_netdevice+0x116d/0x17a0 [ 87.816662][ T11] br_dev_newlink+0x2b/0x100 [bridge] [ 87.817203][ T11] rtnl_newlink_create+0x344/0x850 [ 87.817650][ T11] __rtnl_newlink+0xad2/0xd60 [ 87.818094][ T11] rtnl_newlink+0x63/0xa0 [ 87.818463][ T11] rtnetlink_rcv_msg+0x2fe/0xb80 [ 87.818887][ T11] netlink_rcv_skb+0x133/0x360 [ 87.819270][ T11] netlink_unicast+0x44c/0x710 [ 87.819685][ T11] netlink_sendmsg+0x726/0xbe0 [ 87.820084][ T11] ____sys_sendmsg+0x7b5/0xa10 [ 87.820495][ T11] ___sys_sendmsg+0xee/0x170 [ 87.820899][ T11] __sys_sendmsg+0xcd/0x170 [ 87.821308][ T11] do_syscall_64+0xcc/0x1e0 [ 87.821695][ T11] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 87.822219][ T11] [ 87.822425][ T11] Freed by task 11: [ 87.822728][ T11] kasan_save_stack+0x24/0x50 [ 87.823096][ T11] kasan_save_track+0x14/0x30 [ 87.823516][ T11] kasan_save_free_info+0x3f/0x60 [ 87.823929][ T11] __kasan_slab_free+0xfc/0x1c0 [ 87.824311][ T11] kfree+0xf2/0x2d0 [ 87.824608][ T11] kobject_cleanup+0xe2/0x280 [ 87.824976][ T11] br_sysfs_delbr+0x3f/0x70 [bridge] [ 87.825451][ T11] br_dev_delete+0x10d/0x190 [bridge] [ 87.825924][ T11] default_device_exit_batch_rtnl+0x112/0x210 [ 87.826386][ T11] cleanup_net+0x499/0xa20 [ 87.826722][ T11] process_one_work+0x78f/0x1310 [ 87.827163][ T11] worker_thread+0x73d/0x1010 [ 87.827584][ T11] kthread+0x292/0x360 [ 87.827929][ T11] ret_from_fork+0x34/0x70 [ 87.828320][ T11] ret_from_fork_asm+0x1b/0x30 [ 87.828721][ T11] [ 87.828938][ T11] The buggy address belongs to the object at ffff888006ab9080 [ 87.828938][ T11] which belongs to the cache kmalloc-64 of size 64 [ 87.830063][ T11] The buggy address is located 60 bytes inside of [ 87.830063][ T11] freed 64-byte region [ffff888006ab9080, ffff888006ab90c0) [ 87.831175][ T11] [ 87.831382][ T11] The buggy address belongs to the physical page: [ 87.831933][ T11] page:ffffea00001aae00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6ab8 [ 87.832759][ T11] head:ffffea00001aae00 order:1 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 87.833455][ T11] flags: 0x80000000000840(slab|head|node=0|zone=1) [ 87.834016][ T11] page_type: 0xffffffff() [ 87.834388][ T11] raw: 0080000000000840 ffff888001042900 ffffea0000075c90 ffffea00000e6b10 [ 87.835133][ T11] raw: 0000000000000000 0000000000190019 00000001ffffffff 0000000000000000 [ 87.835904][ T11] page dumped because: kasan: bad access detected [ 87.836414][ T11] [ 87.836603][ T11] Memory state around the buggy address: [ 87.837066][ T11] ffff888006ab8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 87.837735][ T11] ffff888006ab9000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 87.838444][ T11] >ffff888006ab9080: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 87.839131][ T11] ^ [ 87.839613][ T11] ffff888006ab9100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 87.840277][ T11] ffff888006ab9180: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 fc [ 87.840921][ T11] ================================================================== [ 87.841794][ T11] Disabling lock debugging due to kernel taint [ 87.842397][ T11] ------------[ cut here ]------------ [ 87.842871][ T11] refcount_t: underflow; use-after-free. [ 87.843428][ T11] WARNING: CPU: 3 PID: 11 at lib/refcount.c:28 refcount_warn_saturate+0x173/0x1b0 [ 87.844220][ T11] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 87.845378][ T11] CPU: 3 PID: 11 Comm: kworker/u8:0 Tainted: G B 6.8.0-rc2-virtme #1 [ 87.846106][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 87.847139][ T11] Workqueue: netns cleanup_net [ 87.847536][ T11] RIP: 0010:refcount_warn_saturate+0x173/0x1b0 [ 87.848030][ T11] 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 e2 9a 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 [ 87.849744][ T11] RSP: 0018:ffffc900000bfb98 EFLAGS: 00010282 [ 87.850242][ T11] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9830e74f [ 87.850946][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 87.851774][ T11] RBP: 0000000000000003 R08: 0000000000000000 R09: fffff52000017f18 [ 87.852438][ T11] R10: ffffc900000bf8c7 R11: 205d313154202020 R12: ffff88800a22a000 [ 87.853202][ T11] R13: ffff88800a22add8 R14: ffffc900000bfc98 R15: ffff88800a22aba0 [ 87.853879][ T11] FS: 0000000000000000(0000) GS:ffff888035e00000(0000) knlGS:0000000000000000 [ 87.854610][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.855188][ T11] CR2: 000055cf73e01dec CR3: 000000001351e004 CR4: 00000000001706f0 [ 87.855856][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.856519][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.857328][ T11] Call Trace: [ 87.857612][ T11] [ 87.857782][ T11] ? __warn+0xcd/0x2d0 [ 87.858031][ T11] ? refcount_warn_saturate+0x173/0x1b0 [ 87.858351][ T11] ? report_bug+0x291/0x2e0 [ 87.858593][ T11] ? vprintk_emit+0xff/0x1d0 [ 87.858867][ T11] ? handle_bug+0x3d/0x80 [ 87.859212][ T11] ? exc_invalid_op+0x18/0x50 [ 87.859463][ T11] ? asm_exc_invalid_op+0x1a/0x20 [ 87.859740][ T11] ? desc_read+0x2af/0x440 [ 87.859988][ T11] ? refcount_warn_saturate+0x173/0x1b0 [ 87.860286][ T11] ? refcount_warn_saturate+0x172/0x1b0 [ 87.860578][ T11] br_sysfs_delbr+0x3f/0x70 [bridge] [ 87.860902][ T11] br_dev_delete+0x10d/0x190 [bridge] [ 87.861234][ T11] br_net_exit_batch_rtnl+0xd6/0x190 [bridge] [ 87.861584][ T11] cleanup_net+0x499/0xa20 [ 87.861817][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 87.862180][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 87.862468][ T11] ? lock_acquire+0x1c1/0x220 [ 87.862724][ T11] ? process_one_work+0x714/0x1310 [ 87.863081][ T11] process_one_work+0x78f/0x1310 [ 87.863365][ T11] ? hlock_class+0x4e/0x130 [ 87.863623][ T11] ? __pfx_process_one_work+0x10/0x10 [ 87.863938][ T11] ? assign_work+0x16c/0x240 [ 87.864191][ T11] worker_thread+0x73d/0x1010 [ 87.864446][ T11] ? __pfx_worker_thread+0x10/0x10 [ 87.864716][ T11] kthread+0x292/0x360 [ 87.864928][ T11] ? __pfx_kthread+0x10/0x10 [ 87.865179][ T11] ret_from_fork+0x34/0x70 [ 87.865414][ T11] ? __pfx_kthread+0x10/0x10 [ 87.865658][ T11] ret_from_fork_asm+0x1b/0x30 [ 87.865912][ T11] [ 87.866123][ T11] irq event stamp: 54287 [ 87.866347][ T11] hardirqs last enabled at (54287): [] irqentry_exit+0x3b/0x90 [ 87.866825][ T11] hardirqs last disabled at (54286): [] __do_softirq+0x670/0x7ff [ 87.867317][ T11] softirqs last enabled at (54124): [] br_dev_delete+0xd8/0x190 [bridge] [ 87.867870][ T11] softirqs last disabled at (54122): [] br_fdb_delete_by_port+0x36/0x260 [bridge] [ 87.868472][ T11] ---[ end trace 0000000000000000 ]--- [ 87.868804][ T11] ------------[ cut here ]------------ [ 87.869249][ T11] sysfs group 'bridge' not found for kobject 'br3' [ 87.869809][ T11] WARNING: CPU: 3 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group+0x101/0x160 [ 87.871278][ T11] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 87.872688][ T11] CPU: 3 PID: 11 Comm: kworker/u8:0 Tainted: G B W 6.8.0-rc2-virtme #1 [ 87.873402][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 87.874373][ T11] Workqueue: netns cleanup_net [ 87.874761][ T11] RIP: 0010:sysfs_remove_group+0x101/0x160 [ 87.875239][ T11] 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 dc 9a 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 [ 87.876861][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 87.877513][ T11] RAX: 0000000000000000 RBX: ffffffffc05b0f00 RCX: ffffffff9830e74f [ 87.878336][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 87.879033][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 87.879703][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800a22a610 [ 87.880516][ T11] R13: ffff88800a22add8 R14: ffffc900000bfc98 R15: ffff88800a22aba0 [ 87.881186][ T11] FS: 0000000000000000(0000) GS:ffff888035e00000(0000) knlGS:0000000000000000 [ 87.881897][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.882442][ T11] CR2: 000055cf73e01dec CR3: 000000001351e004 CR4: 00000000001706f0 [ 87.883089][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.883774][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.884497][ T11] Call Trace: [ 87.884812][ T11] [ 87.885246][ T11] ? __warn+0xcd/0x2d0 [ 87.885616][ T11] ? console_trylock+0x61/0xf0 [ 87.886031][ T11] ? sysfs_remove_group+0x101/0x160 [ 87.886494][ T11] ? report_bug+0x291/0x2e0 [ 87.886933][ T11] ? handle_bug+0x3d/0x80 [ 87.887293][ T11] ? exc_invalid_op+0x18/0x50 [ 87.887718][ T11] ? asm_exc_invalid_op+0x1a/0x20 [ 87.888195][ T11] ? desc_read+0x2af/0x440 [ 87.888592][ T11] ? sysfs_remove_group+0x101/0x160 [ 87.889085][ T11] br_dev_delete+0x10d/0x190 [bridge] [ 87.889635][ T11] br_net_exit_batch_rtnl+0xd6/0x190 [bridge] [ 87.890277][ T11] cleanup_net+0x499/0xa20 [ 87.890678][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 87.891184][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 87.891640][ T11] ? lock_acquire+0x1c1/0x220 [ 87.892060][ T11] ? process_one_work+0x714/0x1310 [ 87.892481][ T11] process_one_work+0x78f/0x1310 [ 87.892891][ T11] ? hlock_class+0x4e/0x130 [ 87.893437][ T11] ? __pfx_process_one_work+0x10/0x10 [ 87.893856][ T11] ? assign_work+0x16c/0x240 [ 87.894289][ T11] worker_thread+0x73d/0x1010 [ 87.894748][ T11] ? __pfx_worker_thread+0x10/0x10 [ 87.895308][ T11] kthread+0x292/0x360 [ 87.895703][ T11] ? __pfx_kthread+0x10/0x10 [ 87.896128][ T11] ret_from_fork+0x34/0x70 [ 87.896514][ T11] ? __pfx_kthread+0x10/0x10 [ 87.896918][ T11] ret_from_fork_asm+0x1b/0x30 [ 87.897332][ T11] [ 87.897578][ T11] irq event stamp: 54287 [ 87.897937][ T11] hardirqs last enabled at (54287): [] irqentry_exit+0x3b/0x90 [ 87.898830][ T11] hardirqs last disabled at (54286): [] __do_softirq+0x670/0x7ff [ 87.899623][ T11] softirqs last enabled at (54124): [] br_dev_delete+0xd8/0x190 [bridge] [ 87.900198][ T11] softirqs last disabled at (54122): [] br_fdb_delete_by_port+0x36/0x260 [bridge] [ 87.900786][ T11] ---[ end trace 0000000000000000 ]--- [ 88.068078][ T11] vx100: left allmulticast mode [ 88.068375][ T11] vx100: left promiscuous mode [ 88.068721][ T11] br3: port 2(vx100) entered disabled state [ 88.077838][ T11] w1: left allmulticast mode [ 88.078153][ T11] w1: left promiscuous mode [ 88.078471][ T11] br3: port 1(w1) entered disabled state [ 88.088391][ T11] ------------[ cut here ]------------ [ 88.088735][ T11] sysfs group 'bridge' not found for kobject 'br3' [ 88.089203][ T11] WARNING: CPU: 2 PID: 11 at fs/sysfs/group.c:282 sysfs_remove_group+0x101/0x160 [ 88.089835][ T11] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel sch_tbf bridge stp llc act_gact cls_flower sch_ingress 8021q vrf veth [ 88.090635][ T11] CPU: 2 PID: 11 Comm: kworker/u8:0 Tainted: G B W 6.8.0-rc2-virtme #1 [ 88.091280][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 88.092027][ T11] Workqueue: netns cleanup_net [ 88.092351][ T11] RIP: 0010:sysfs_remove_group+0x101/0x160 [ 88.092790][ T11] 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 dc 9a 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 [ 88.094048][ T11] RSP: 0018:ffffc900000bfba0 EFLAGS: 00010282 [ 88.094516][ T11] RAX: 0000000000000000 RBX: ffffffffc05b0f00 RCX: ffffffff9830e74f [ 88.095081][ T11] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000001 [ 88.095552][ T11] RBP: 0000000000000000 R08: 0000000000000000 R09: fffff52000017f19 [ 88.096015][ T11] R10: ffffc900000bf8cf R11: 205d313154202020 R12: ffff88800a5da610 [ 88.096430][ T11] R13: ffff88800a5dadd8 R14: ffffc900000bfc98 R15: ffff88800a5daba0 [ 88.096844][ T11] FS: 0000000000000000(0000) GS:ffff888035a00000(0000) knlGS:0000000000000000 [ 88.097314][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.097658][ T11] CR2: 000055cf756c3d78 CR3: 000000001351e006 CR4: 00000000001706f0 [ 88.098080][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.098585][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.099089][ T11] Call Trace: [ 88.099292][ T11] [ 88.099565][ T11] ? __warn+0xcd/0x2d0 [ 88.099801][ T11] ? console_trylock+0x61/0xf0 [ 88.100100][ T11] ? sysfs_remove_group+0x101/0x160 [ 88.100521][ T11] ? report_bug+0x291/0x2e0 [ 88.100840][ T11] ? handle_bug+0x3d/0x80 [ 88.101155][ T11] ? exc_invalid_op+0x18/0x50 [ 88.101483][ T11] ? asm_exc_invalid_op+0x1a/0x20 [ 88.101798][ T11] ? desc_read+0x2af/0x440 [ 88.102092][ T11] ? sysfs_remove_group+0x101/0x160 [ 88.102366][ T11] br_dev_delete+0x10d/0x190 [bridge] [ 88.102732][ T11] br_net_exit_batch_rtnl+0xd6/0x190 [bridge] [ 88.103165][ T11] cleanup_net+0x499/0xa20 [ 88.103453][ T11] ? lock_acquire+0x1c1/0x220 [ 88.103741][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 88.104053][ T11] ? lock_acquire+0x1c1/0x220 [ 88.104361][ T11] ? process_one_work+0x714/0x1310 [ 88.104683][ T11] process_one_work+0x78f/0x1310 [ 88.104998][ T11] ? hlock_class+0x4e/0x130 [ 88.105240][ T11] ? __pfx_process_one_work+0x10/0x10 [ 88.105546][ T11] ? assign_work+0x16c/0x240 [ 88.105874][ T11] worker_thread+0x73d/0x1010 [ 88.106156][ T11] ? __pfx_worker_thread+0x10/0x10 [ 88.106489][ T11] kthread+0x292/0x360 [ 88.106789][ T11] ? __pfx_kthread+0x10/0x10 [ 88.107157][ T11] ret_from_fork+0x34/0x70 [ 88.107419][ T11] ? __pfx_kthread+0x10/0x10 [ 88.107766][ T11] ret_from_fork_asm+0x1b/0x30 [ 88.108125][ T11] [ 88.108341][ T11] irq event stamp: 54287 [ 88.108601][ T11] hardirqs last enabled at (54287): [] irqentry_exit+0x3b/0x90 [ 88.109253][ T11] hardirqs last disabled at (54286): [] __do_softirq+0x670/0x7ff [ 88.109928][ T11] softirqs last enabled at (54124): [] br_dev_delete+0xd8/0x190 [bridge] [ 88.110583][ T11] softirqs last disabled at (54122): [] br_fdb_delete_by_port+0x36/0x260 [bridge] [ 88.111318][ T11] ---[ end trace 0000000000000000 ]--- [ 89.392553][ T832] vx200: left allmulticast mode [ 89.392855][ T832] vx200: left promiscuous mode [ 89.393204][ T832] br2: port 1(vx200) entered disabled state [ 89.617649][ T835] veth2: left allmulticast mode [ 89.617982][ T835] veth2: left promiscuous mode [ 89.619829][ T835] br2: port 2(veth2.20) entered disabled state [ 89.620875][ T835] veth2.20 (unregistering): left allmulticast mode [ 89.621262][ T835] veth2.20 (unregistering): left promiscuous mode [ 89.621607][ T835] br2: port 2(veth2.20) entered disabled state [ 89.921347][ T839] br1: port 2(veth1) entered disabled state [ 89.997287][ T840] veth1: left allmulticast mode [ 89.997592][ T840] veth1: left promiscuous mode [ 89.997931][ T840] br1: port 2(veth1) entered disabled state [ 90.076403][ T841] vx100: left allmulticast mode [ 90.076708][ T841] vx100: left promiscuous mode [ 90.077054][ T841] br1: port 1(vx100) entered disabled state ok 1 selftests: net/forwarding: dual_vxlan_bridge.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__->