make -C tools/testing/selftests TARGETS=net TEST_PROGS=test_vxlan_nolocalbbypass.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-3/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make[1]: Entering directory '/home/virtme/testing-3/tools/testing/selftests/net'
TAP version 13
1..1
# timeout set to 6000
# selftests: net: test_vxlan_nolocalbypass.sh
# TEST: localbypass enabled                                           [ OK ]
# TEST: Packet received by local VXLAN device - localbypass           [ OK ]
# TEST: localbypass disabled                                          [ OK ]
# TEST: Packet not received by local VXLAN device - nolocalbypass     [ OK ]
# TEST: localbypass enabled                                           [ OK ]
# TEST: Packet received by local VXLAN device - localbypass           [ OK ]
[  906.219369][   T11] ==================================================================
[  906.219860][   T11] BUG: KASAN: use-after-free in vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  906.220440][   T11] Read of size 8 at addr ffff888039898bf0 by task kworker/u8:0/11
[  906.220895][   T11] 
[  906.221023][   T11] CPU: 2 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1
[  906.221508][   T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  906.222244][   T11] Workqueue: netns cleanup_net
[  906.222564][   T11] Call Trace:
[  906.222736][   T11]  <TASK>
[  906.222920][   T11]  dump_stack_lvl+0x64/0xb0
[  906.223188][   T11]  print_address_description.constprop.0+0x2c/0x3b0
[  906.223592][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  906.223952][   T11]  print_report+0xb5/0x270
[  906.224219][   T11]  ? kasan_addr_to_slab+0x4e/0x90
[  906.224486][   T11]  kasan_report+0xbe/0xf0
[  906.224754][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  906.225132][   T11]  vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  906.225506][   T11]  ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan]
[  906.225907][   T11]  ? _raw_spin_unlock+0x23/0x40
[  906.226173][   T11]  ? mirred_device_event+0x185/0x210 [act_mirred]
[  906.226586][   T11]  notifier_call_chain+0x9a/0x290
[  906.226845][   T11]  unregister_netdevice_many_notify+0x55a/0x1180
[  906.227209][   T11]  ? mutex_is_locked+0x17/0x50
[  906.227491][   T11]  ? mutex_is_locked+0x17/0x50
[  906.227810][   T11]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[  906.228251][   T11]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  906.228616][   T11]  default_device_exit_batch+0x228/0x2c0
[  906.228959][   T11]  ? __pfx_default_device_exit_batch+0x10/0x10
[  906.229340][   T11]  ? mutex_is_locked+0x17/0x50
[  906.229612][   T11]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[  906.229931][   T11]  cleanup_net+0x4f3/0xb50
[  906.230158][   T11]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  906.230509][   T11]  ? __pfx_cleanup_net+0x10/0x10
[  906.230760][   T11]  ? lock_acquire+0x1c1/0x220
[  906.230999][   T11]  ? process_one_work+0x714/0x1310
[  906.231269][   T11]  process_one_work+0x78c/0x1310
[  906.231530][   T11]  ? hlock_class+0x4e/0x130
[  906.231758][   T11]  ? __pfx_process_one_work+0x10/0x10
[  906.232032][   T11]  ? assign_work+0x16c/0x240
[  906.232275][   T11]  worker_thread+0x73d/0x1010
[  906.232517][   T11]  ? __pfx_worker_thread+0x10/0x10
[  906.232775][   T11]  kthread+0x28f/0x360
[  906.232980][   T11]  ? __pfx_kthread+0x10/0x10
[  906.233214][   T11]  ret_from_fork+0x31/0x70
[  906.233453][   T11]  ? __pfx_kthread+0x10/0x10
[  906.233684][   T11]  ret_from_fork_asm+0x1b/0x30
[  906.233931][   T11]  </TASK>
[  906.234090][   T11] 
[  906.234211][   T11] The buggy address belongs to the physical page:
[  906.234590][   T11] page:ffffea0000e62600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x39898
[  906.235149][   T11] flags: 0x80000000000000(node=0|zone=1)
[  906.235493][   T11] page_type: 0xffffffff()
[  906.235745][   T11] raw: 0080000000000000 ffffea0000545208 ffff88802f001c38 0000000000000000
[  906.236238][   T11] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[  906.236738][   T11] page dumped because: kasan: bad access detected
[  906.237108][   T11] 
[  906.237233][   T11] Memory state around the buggy address:
[  906.237567][   T11]  ffff888039898a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  906.238038][   T11]  ffff888039898b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  906.238526][   T11] >ffff888039898b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  906.238959][   T11]                                                              ^
[  906.239435][   T11]  ffff888039898c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  906.239897][   T11]  ffff888039898c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  906.240354][   T11] ==================================================================
[  906.241119][   T11] Disabling lock debugging due to kernel taint
# 
# Tests passed:   6
# Tests failed:   0
ok 1 selftests: net: test_vxlan_nolocalbypass.sh
make[1]: Leaving directory '/home/virtme/testing-3/tools/testing/selftests/net'
make: Leaving directory '/home/virtme/testing-3/tools/testing/selftests'
xx__-> echo $?
0
xx__->