make -C tools/testing/selftests TARGETS=net/forwarding TEST_PROGS=vxlan_brridge_1d_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_1d_port_8472_ipv6.sh [ 4108.442409][T13356] br1: port 1(vx1) entered blocking state [ 4108.442749][T13356] br1: port 1(vx1) entered disabled state [ 4108.443271][T13356] vx1: entered allmulticast mode [ 4108.445348][T13356] vx1: entered promiscuous mode [ 4108.446532][T13356] br1: port 1(vx1) entered blocking state [ 4108.446845][T13356] br1: port 1(vx1) entered forwarding state [ 4108.601034][T13357] br1: port 2(veth1) entered blocking state [ 4108.601378][T13357] br1: port 2(veth1) entered disabled state [ 4108.601737][T13357] veth1: entered allmulticast mode [ 4108.603952][T13357] veth1: entered promiscuous mode [ 4108.604890][T13357] br1: port 2(veth1) entered blocking state [ 4108.605217][T13357] br1: port 2(veth1) entered forwarding state [ 4109.068977][T13360] br1: port 3(veth2) entered blocking state [ 4109.069345][T13360] br1: port 3(veth2) entered disabled state [ 4109.069709][T13360] veth2: entered allmulticast mode [ 4109.072318][T13360] veth2: entered promiscuous mode [ 4109.229231][ T8] br1: port 3(veth2) entered blocking state [ 4109.229584][ T8] br1: port 3(veth2) entered forwarding state [ 4114.294048][T13408] br2: port 1(w1) entered blocking state [ 4114.294385][T13408] br2: port 1(w1) entered disabled state [ 4114.294725][T13408] w1: entered allmulticast mode [ 4114.296800][T13408] w1: entered promiscuous mode [ 4115.176134][T13414] br2: port 2(vx2) entered blocking state [ 4115.176482][T13414] br2: port 2(vx2) entered disabled state [ 4115.176830][T13414] vx2: entered allmulticast mode [ 4115.179714][T13414] vx2: entered promiscuous mode [ 4115.180612][T13414] br2: port 2(vx2) entered blocking state [ 4115.180918][T13414] br2: port 2(vx2) entered forwarding state [ 4116.349789][ T28] br2: port 1(w1) entered blocking state [ 4116.350158][ T28] br2: port 1(w1) entered forwarding state [ 4119.134240][T13442] br2: port 1(w1) entered blocking state [ 4119.134571][T13442] br2: port 1(w1) entered disabled state [ 4119.134918][T13442] w1: entered allmulticast mode [ 4119.136966][T13442] w1: entered promiscuous mode [ 4120.037436][T13448] br2: port 2(vx2) entered blocking state [ 4120.037789][T13448] br2: port 2(vx2) entered disabled state [ 4120.038803][T13448] vx2: entered allmulticast mode [ 4120.040847][T13448] vx2: entered promiscuous mode [ 4120.041752][T13448] br2: port 2(vx2) entered blocking state [ 4120.042074][T13448] br2: port 2(vx2) entered forwarding state [ 4121.091530][T10982] br2: port 1(w1) entered blocking state [ 4121.091882][T10982] br2: port 1(w1) entered forwarding state # INFO: Running tests with UDP port 8472 # TEST: ping: local->local [ OK ] [ 4132.049331][T13508] GACT probability NOT on # TEST: ping: local->remote 1 [ OK ] # TEST: ping: local->remote 2 [ OK ] # TEST: ping6: local->local [ OK ] # TEST: ping6: local->remote 1 [ OK ] # TEST: ping6: local->remote 2 [ OK ] [ 4181.838216][ T11] vx2: left allmulticast mode [ 4181.838542][ T11] vx2: left promiscuous mode [ 4181.839021][ T11] br2: port 2(vx2) entered disabled state [ 4181.852257][ T11] w1: left allmulticast mode [ 4181.852525][ T11] w1: left promiscuous mode [ 4181.852905][ T11] br2: port 1(w1) entered disabled state [ 4181.927665][ T11] ================================================================== [ 4181.928099][ T11] BUG: KASAN: use-after-free in vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 4181.928573][ T11] Read of size 8 at addr ffff888009400bd0 by task kworker/u8:0/11 [ 4181.929016][ T11] [ 4181.929143][ T11] CPU: 3 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1 [ 4181.929567][ T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4181.930280][ T11] Workqueue: netns cleanup_net [ 4181.930557][ T11] Call Trace: [ 4181.930727][ T11] [ 4181.930897][ T11] dump_stack_lvl+0x64/0xb0 [ 4181.931141][ T11] print_address_description.constprop.0+0x2c/0x3b0 [ 4181.931474][ T11] ? vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 4181.931793][ T11] print_report+0xb5/0x270 [ 4181.932017][ T11] ? kasan_addr_to_slab+0x4e/0x90 [ 4181.932271][ T11] kasan_report+0xbe/0xf0 [ 4181.932491][ T11] ? vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 4181.932876][ T11] vxlan_netdevice_event+0x32f/0x340 [vxlan] [ 4181.933216][ T11] ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan] [ 4181.933577][ T11] ? netconsole_netdev_event+0x1b4/0x300 [ 4181.933864][ T11] notifier_call_chain+0x9a/0x290 [ 4181.934123][ T11] unregister_netdevice_many_notify+0x55a/0x1180 [ 4181.934464][ T11] ? mutex_is_locked+0x17/0x50 [ 4181.934730][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 4181.935117][ T11] ? vrf_dellink+0x101/0x150 [vrf] [ 4181.935381][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 4181.935732][ T11] default_device_exit_batch+0x228/0x2c0 [ 4181.936040][ T11] ? __pfx_default_device_exit_batch+0x10/0x10 [ 4181.936385][ T11] ? mutex_is_locked+0x17/0x50 [ 4181.936656][ T11] ? nexthop_net_exit_batch_rtnl+0x83/0x210 [ 4181.937005][ T11] cleanup_net+0x4f3/0xa20 [ 4181.937240][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 4181.937554][ T11] ? __pfx_cleanup_net+0x10/0x10 [ 4181.937831][ T11] ? lock_acquire+0x1c1/0x220 [ 4181.938106][ T11] ? process_one_work+0x714/0x1310 [ 4181.938368][ T11] process_one_work+0x78c/0x1310 [ 4181.938653][ T11] ? hlock_class+0x4e/0x130 [ 4181.938908][ T11] ? __pfx_process_one_work+0x10/0x10 [ 4181.939205][ T11] ? assign_work+0x16c/0x240 [ 4181.939470][ T11] worker_thread+0x73d/0x1010 [ 4181.939758][ T11] ? __pfx_worker_thread+0x10/0x10 [ 4181.940086][ T11] kthread+0x28f/0x360 [ 4181.940362][ T11] ? __pfx_kthread+0x10/0x10 [ 4181.940655][ T11] ret_from_fork+0x31/0x70 [ 4181.940905][ T11] ? __pfx_kthread+0x10/0x10 [ 4181.941183][ T11] ret_from_fork_asm+0x1b/0x30 [ 4181.941481][ T11] [ 4181.941635][ T11] [ 4181.941770][ T11] The buggy address belongs to the physical page: [ 4181.942125][ T11] page:ffffea0000250000 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x9400 [ 4181.942627][ T11] flags: 0x80000000000000(node=0|zone=1) [ 4181.942908][ T11] page_type: 0xffffffff() [ 4181.943170][ T11] raw: 0080000000000000 ffffea0000248608 ffff8880360019f8 0000000000000000 [ 4181.943631][ T11] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 4181.944092][ T11] page dumped because: kasan: bad access detected [ 4181.944431][ T11] [ 4181.944579][ T11] Memory state around the buggy address: [ 4181.944922][ T11] ffff888009400a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 4181.945340][ T11] ffff888009400b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 4181.945756][ T11] >ffff888009400b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 4181.946178][ T11] ^ [ 4181.946527][ T11] ffff888009400c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 4181.946974][ T11] ffff888009400c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 4181.947410][ T11] ================================================================== [ 4181.948349][ T11] Disabling lock debugging due to kernel taint [ 4182.235075][ T11] vx2: left allmulticast mode [ 4182.235352][ T11] vx2: left promiscuous mode [ 4182.235845][ T11] br2: port 2(vx2) entered disabled state [ 4182.250163][ T11] w1: left allmulticast mode [ 4182.250478][ T11] w1: left promiscuous mode [ 4182.250883][ T11] br2: port 1(w1) entered disabled state [ 4184.426545][T13612] br1: port 3(veth2) entered disabled state [ 4184.530933][T13613] veth2: left allmulticast mode [ 4184.531240][T13613] veth2: left promiscuous mode [ 4184.531611][T13613] br1: port 3(veth2) entered disabled state [ 4184.786764][T13615] br1: port 2(veth1) entered disabled state [ 4184.902175][T13616] veth1: left allmulticast mode [ 4184.902465][T13616] veth1: left promiscuous mode [ 4184.902828][T13616] br1: port 2(veth1) entered disabled state [ 4185.025028][T13617] vx1: left allmulticast mode [ 4185.025309][T13617] vx1: left promiscuous mode [ 4185.025675][T13617] br1: port 1(vx1) entered disabled state ok 1 selftests: net/forwarding: vxlan_bridge_1d_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__->