make -C tools/testing/selftests TARGETS=net TEST_PROGS=test_vxlan_under_vrrf.sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-1/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' make[1]: Entering directory '/home/virtme/testing-1/tools/testing/selftests/net' TAP version 13 1..1 # timeout set to 6000 # selftests: net: test_vxlan_under_vrf.sh [ 28.208221] veth0: renamed from veth-hv-1 [ 28.349775] br0: port 1(vxlan0) entered blocking state [ 28.350133] br0: port 1(vxlan0) entered disabled state [ 28.350421] vxlan0: entered allmulticast mode [ 28.350773] vxlan0: entered promiscuous mode [ 28.366086] br0: port 1(vxlan0) entered blocking state [ 28.366439] br0: port 1(vxlan0) entered forwarding state [ 28.400382] veth0: renamed from veth-hv-2 [ 28.525581] br0: port 1(vxlan0) entered blocking state [ 28.526025] br0: port 1(vxlan0) entered disabled state [ 28.526436] vxlan0: entered allmulticast mode [ 28.526769] vxlan0: entered promiscuous mode [ 28.540756] br0: port 1(vxlan0) entered blocking state [ 28.541056] br0: port 1(vxlan0) entered forwarding state # Checking HV connectivity [ OK ] [ 28.618988] br0: port 2(veth-tap) entered blocking state [ 28.619292] br0: port 2(veth-tap) entered disabled state [ 28.619581] veth-tap: entered allmulticast mode [ 28.619911] veth-tap: entered promiscuous mode [ 28.700023] br0: port 2(veth-tap) entered blocking state [ 28.700509] br0: port 2(veth-tap) entered forwarding state [ 28.754078] br0: port 2(veth-tap) entered blocking state [ 28.754384] br0: port 2(veth-tap) entered disabled state [ 28.754676] veth-tap: entered allmulticast mode [ 28.755011] veth-tap: entered promiscuous mode [ 28.838292] br0: port 2(veth-tap) entered blocking state [ 28.838743] br0: port 2(veth-tap) entered forwarding state # Check VM connectivity through VXLAN (underlay in the default VRF) [ OK ] [ 28.933100] br0: port 1(vxlan0) entered disabled state [ 28.950588] br0: port 1(vxlan0) entered blocking state [ 28.950971] br0: port 1(vxlan0) entered forwarding state [ 28.990030] br0: port 1(vxlan0) entered disabled state [ 29.005040] br0: port 1(vxlan0) entered blocking state [ 29.005343] br0: port 1(vxlan0) entered forwarding state # Check VM connectivity through VXLAN (underlay in a VRF) [ OK ] [ 29.131076] veth-tap: left allmulticast mode [ 29.131399] veth-tap: left promiscuous mode [ 29.131659] br0: port 2(veth-tap) entered disabled state [ 29.139025] vxlan0: left allmulticast mode [ 29.139282] vxlan0: left promiscuous mode [ 29.139540] br0: port 1(vxlan0) entered disabled state [ 29.147506] ------------[ cut here ]------------ [ 29.147804] refcount_t: underflow; use-after-free. [ 29.148104] WARNING: CPU: 0 PID: 68 at lib/refcount.c:28 refcount_warn_saturate+0xd0/0x130 [ 29.148543] Modules linked in: vxlan act_tunnel_key cls_flower bareudp ip6_udp_tunnel udp_tunnel mpls_iptunnel mpls_router xfrm_interface sha1_generic xfrm_user act_mirred cls_matchall ip6_gre gre sch_ingress [ 29.149538] CPU: 0 PID: 68 Comm: kworker/u8:1 Not tainted 6.8.0-rc2-virtme #1 [ 29.149963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 29.150568] Workqueue: netns cleanup_net [ 29.150804] RIP: 0010:refcount_warn_saturate+0xd0/0x130 [ 29.151116] Code: 0b 90 90 c3 cc cc cc cc 80 3d 69 d4 67 01 00 0f 85 75 ff ff ff c6 05 5c d4 67 01 01 90 48 c7 c7 b8 37 b3 b8 e8 a1 26 b4 ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 3c d4 67 01 00 0f 85 4a ff ff ff [ 29.152089] RSP: 0018:ffff9db040263d78 EFLAGS: 00010286 [ 29.152395] RAX: 0000000000000000 RBX: ffff8ae1420b6000 RCX: 00000000ffffdfff [ 29.152792] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 29.153187] RBP: ffff8ae1420b6610 R08: ffffffffb8f78508 R09: 00000000ffffdfff [ 29.153576] R10: ffffffffb8e98520 R11: ffffffffb8f48520 R12: ffff8ae1420b6000 [ 29.153979] R13: ffff9db040263e08 R14: ffff8ae1420b6b80 R15: ffff8ae143bfc550 [ 29.154395] FS: 0000000000000000(0000) GS:ffff8ae17ec00000(0000) knlGS:0000000000000000 [ 29.154843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.155167] CR2: 00007f11d8d05a30 CR3: 0000000006a60005 CR4: 0000000000770ef0 [ 29.155576] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.155961] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.156383] PKRU: 55555554 [ 29.156527] Call Trace: [ 29.156701] [ 29.156860] ? __warn+0x84/0x170 [ 29.157074] ? refcount_warn_saturate+0xd0/0x130 [ 29.157347] ? report_bug+0x199/0x1b0 [ 29.157585] ? handle_bug+0x3d/0x70 [ 29.157800] ? exc_invalid_op+0x18/0x70 [ 29.158048] ? asm_exc_invalid_op+0x1a/0x20 [ 29.158307] ? refcount_warn_saturate+0xd0/0x130 [ 29.158585] ? refcount_warn_saturate+0xcf/0x130 [ 29.158866] br_sysfs_delbr+0x1d/0x40 [ 29.159104] br_dev_delete+0x88/0xa0 [ 29.159325] br_net_exit_batch_rtnl+0x70/0xd0 [ 29.159564] cleanup_net+0x24e/0x400 [ 29.159798] ? process_one_work+0x16c/0x4b0 [ 29.160064] process_one_work+0x1d6/0x4b0 [ 29.160303] worker_thread+0x1c1/0x3d0 [ 29.160535] ? __pfx_worker_thread+0x10/0x10 [ 29.160786] kthread+0xda/0x110 [ 29.161014] ? __pfx_kthread+0x10/0x10 [ 29.161330] ret_from_fork+0x31/0x50 [ 29.161613] ? __pfx_kthread+0x10/0x10 [ 29.161938] ret_from_fork_asm+0x1b/0x30 [ 29.162286] [ 29.162451] irq event stamp: 199675 [ 29.162730] hardirqs last enabled at (199685): [] console_unlock+0x10d/0x130 [ 29.163395] hardirqs last disabled at (199696): [] console_unlock+0xf2/0x130 [ 29.164112] softirqs last enabled at (199204): [] __do_softirq+0x2c2/0x37a [ 29.164824] softirqs last disabled at (199193): [] irq_exit_rcu+0x7f/0xa0 [ 29.165505] ---[ end trace 0000000000000000 ]--- [ 29.165942] ------------[ cut here ]------------ [ 29.166423] sysfs group 'bridge' not found for kobject 'br0' [ 29.166753] WARNING: CPU: 1 PID: 68 at fs/sysfs/group.c:282 sysfs_remove_group+0x75/0x90 [ 29.167462] Modules linked in: vxlan act_tunnel_key cls_flower bareudp ip6_udp_tunnel udp_tunnel mpls_iptunnel mpls_router xfrm_interface sha1_generic xfrm_user act_mirred cls_matchall ip6_gre gre sch_ingress [ 29.169401] CPU: 1 PID: 68 Comm: kworker/u8:1 Tainted: G W 6.8.0-rc2-virtme #1 [ 29.170239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 29.171381] Workqueue: netns cleanup_net [ 29.171788] RIP: 0010:sysfs_remove_group+0x75/0x90 [ 29.172317] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b8 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 [ 29.174125] RSP: 0018:ffff9db040263d70 EFLAGS: 00010286 [ 29.174654] RAX: 0000000000000000 RBX: ffffffffb87472c0 RCX: 00000000ffffdfff [ 29.175356] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 29.175997] RBP: 0000000000000000 R08: ffffffffb8f78508 R09: 00000000ffffdfff [ 29.176689] R10: ffffffffb8e98520 R11: ffffffffb8f48520 R12: ffff8ae1420b6610 [ 29.177341] R13: ffff9db040263e08 R14: ffff8ae1420b6b80 R15: ffff8ae143bfc550 [ 29.177987] FS: 0000000000000000(0000) GS:ffff8ae17ec80000(0000) knlGS:0000000000000000 [ 29.178713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.179248] CR2: 00007f11d8d05a30 CR3: 0000000006a60004 CR4: 0000000000770ef0 [ 29.179874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.180250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.180649] PKRU: 55555554 [ 29.180835] Call Trace: [ 29.180971] [ 29.181089] ? __warn+0x84/0x170 [ 29.181266] ? sysfs_remove_group+0x75/0x90 [ 29.181487] ? report_bug+0x199/0x1b0 [ 29.181686] ? handle_bug+0x3d/0x70 [ 29.181885] ? exc_invalid_op+0x18/0x70 [ 29.182087] ? asm_exc_invalid_op+0x1a/0x20 [ 29.182311] ? sysfs_remove_group+0x75/0x90 [ 29.182533] br_dev_delete+0x88/0xa0 [ 29.182731] br_net_exit_batch_rtnl+0x70/0xd0 [ 29.182972] cleanup_net+0x24e/0x400 [ 29.183167] ? process_one_work+0x16c/0x4b0 [ 29.183388] process_one_work+0x1d6/0x4b0 [ 29.183600] worker_thread+0x1c1/0x3d0 [ 29.183799] ? __pfx_worker_thread+0x10/0x10 [ 29.184031] kthread+0xda/0x110 [ 29.184217] ? __pfx_kthread+0x10/0x10 [ 29.184415] ret_from_fork+0x31/0x50 [ 29.184609] ? __pfx_kthread+0x10/0x10 [ 29.184806] ret_from_fork_asm+0x1b/0x30 [ 29.185027] [ 29.185149] irq event stamp: 200345 [ 29.185332] hardirqs last enabled at (200355): [] console_unlock+0x10d/0x130 [ 29.185785] hardirqs last disabled at (200364): [] console_unlock+0xf2/0x130 [ 29.186251] softirqs last enabled at (199906): [] __do_softirq+0x2c2/0x37a [ 29.186684] softirqs last disabled at (199901): [] irq_exit_rcu+0x7f/0xa0 [ 29.187116] ---[ end trace 0000000000000000 ]--- [ 29.221083] br0: port 1(vxlan0) entered disabled state [ 29.221845] vxlan0 (unregistering): left allmulticast mode [ 29.222377] vxlan0 (unregistering): left promiscuous mode [ 29.222885] br0: port 1(vxlan0) entered disabled state [ 29.284940] veth-tap: left allmulticast mode [ 29.285361] veth-tap: left promiscuous mode [ 29.285729] br0: port 2(veth-tap) entered disabled state ok 1 selftests: net: test_vxlan_under_vrf.sh make[1]: Leaving directory '/home/virtme/testing-1/tools/testing/selftests/net' [ 29.296098] ------------[ cut here ]------------ [ 29.296371] sysfs group 'bridge' not found for kobject 'br0' [ 29.296683] WARNING: CPU: 1 PID: 68 at fs/sysfs/group.c:282 sysfs_remove_group+0x75/0x90 make: Leaving directory '/home/virtme/testing-1/tools/testing/selftests' [ 29.297111] Modules linked in: vxlan act_tunnel_key cls_flower bareudp ip6_udp_tunnel udp_tunnel mpls_iptunnel mpls_router xfrm_interface sha1_generic xfrm_user act_mirred cls_matchall ip6_gre gre sch_ingress [ 29.298673] CPU: 1 PID: 68 Comm: kworker/u8:1 Tainted: G W 6.8.0-rc2-virtme #1 [ 29.299114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 xx__-> [ 29.299713] Workqueue: netns cleanup_net [ 29.300040] RIP: 0010:sysfs_remove_group+0x75/0x90 [ 29.300291] Code: 48 89 ef 5d 41 5c e9 7a ad ff ff 48 89 ef e8 12 9b ff ff eb d1 90 49 8b 14 24 48 8b 33 48 c7 c7 a0 cd b2 b8 e8 ac 67 c5 ff 90 <0f> 0b 90 90 5b 5d 41 5c c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 [ 29.301262] RSP: 0018:ffff9db040263d70 EFLAGS: 00010286 [ 29.301535] RAX: 0000000000000000 RBX: ffffffffb87472c0 RCX: 00000000ffffdfff [ 29.301918] RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000001 [ 29.302287] RBP: 0000000000000000 R08: ffffffffb8f78508 R09: 00000000ffffdfff [ 29.302647] R10: ffffffffb8e98520 R11: ffffffffb8f48520 R12: ffff8ae141c22610 [ 29.303016] R13: ffff9db040263e08 R14: ffff8ae141c22b80 R15: ffff8ae143bf8050 [ 29.303391] FS: 0000000000000000(0000) GS:ffff8ae17ec80000(0000) knlGS:0000000000000000 [ 29.303802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.304104] CR2: 00007fa7c95cca30 CR3: 0000000006a60006 CR4: 0000000000770ef0 [ 29.304469] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.304837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.305202] PKRU: 55555554 [ 29.305346] Call Trace: [ 29.305480] [ 29.305604] ? __warn+0x84/0x170 [ 29.305790] ? sysfs_remove_group+0x75/0x90 [ 29.306016] ? report_bug+0x199/0x1b0 [ 29.306216] ? handle_bug+0x3d/0x70 [ 29.306405] ? exc_invalid_op+0x18/0x70 [ 29.306609] ? asm_exc_invalid_op+0x1a/0x20 [ 29.306841] ? sysfs_remove_group+0x75/0x90 [ 29.307063] br_dev_delete+0x88/0xa0 [ 29.307257] br_net_exit_batch_rtnl+0x70/0xd0 [ 29.307488] cleanup_net+0x24e/0x400 [ 29.307683] ? process_one_work+0x16c/0x4b0 [ 29.307911] process_one_work+0x1d6/0x4b0 [ 29.308124] worker_thread+0x1c1/0x3d0 [ 29.308322] ? __pfx_worker_thread+0x10/0x10 [ 29.308549] kthread+0xda/0x110 [ 29.308721] ? __pfx_kthread+0x10/0x10 [ 29.308926] ret_from_fork+0x31/0x50 [ 29.309119] ? __pfx_kthread+0x10/0x10 [ 29.309316] ret_from_fork_asm+0x1b/0x30 [ 29.309531] [ 29.309652] irq event stamp: 234973 [ 29.309853] hardirqs last enabled at (234985): [] console_unlock+0x10d/0x130 [ 29.310296] hardirqs last disabled at (234994): [] console_unlock+0xf2/0x130 [ 29.310731] softirqs last enabled at (234634): [] __do_softirq+0x2c2/0x37a [ 29.311182] softirqs last disabled at (234625): [] irq_exit_rcu+0x7f/0xa0 [ 29.311606] ---[ end trace 0000000000000000 ]--- xx__-> xx__-> echo $? 0 xx__->