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 ]
[  545.467038][   T11] ==================================================================
[  545.467547][   T11] BUG: KASAN: use-after-free in vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  545.468031][   T11] Read of size 8 at addr ffff888032870bf0 by task kworker/u8:0/11
[  545.468421][   T11] 
[  545.468562][   T11] CPU: 1 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1
[  545.469007][   T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  545.469670][   T11] Workqueue: netns cleanup_net
[  545.469948][   T11] Call Trace:
[  545.470131][   T11]  <TASK>
[  545.470295][   T11]  dump_stack_lvl+0x64/0xb0
[  545.470541][   T11]  print_address_description.constprop.0+0x2c/0x3b0
[  545.470912][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  545.471261][   T11]  print_report+0xb5/0x270
[  545.471495][   T11]  ? kasan_addr_to_slab+0x4e/0x90
[  545.471780][   T11]  kasan_report+0xbe/0xf0
[  545.472015][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  545.472365][   T11]  vxlan_netdevice_event+0x32f/0x340 [vxlan]
[  545.472704][   T11]  ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan]
[  545.473083][   T11]  ? nft_offload_netdev_event+0x158/0x3b0 [nf_tables]
[  545.473520][   T11]  notifier_call_chain+0x9a/0x290
[  545.473812][   T11]  unregister_netdevice_many_notify+0x55a/0x1180
[  545.474143][   T11]  ? mutex_is_locked+0x17/0x50
[  545.474408][   T11]  ? mutex_is_locked+0x17/0x50
[  545.474656][   T11]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[  545.475036][   T11]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[  545.475385][   T11]  default_device_exit_batch+0x228/0x2c0
[  545.475670][   T11]  ? __pfx_default_device_exit_batch+0x10/0x10
[  545.475981][   T11]  ? ops_exit_list+0xb4/0x170
[  545.476222][   T11]  cleanup_net+0x4f3/0xb50
[  545.476449][   T11]  ? __pfx_lock_acquire.part.0+0x10/0x10
[  545.476733][   T11]  ? __pfx_cleanup_net+0x10/0x10
[  545.476991][   T11]  ? lock_acquire+0x1c1/0x220
[  545.477230][   T11]  ? process_one_work+0x714/0x1310
[  545.477492][   T11]  process_one_work+0x78c/0x1310
[  545.477745][   T11]  ? hlock_class+0x4e/0x130
[  545.477974][   T11]  ? __pfx_process_one_work+0x10/0x10
[  545.478249][   T11]  ? assign_work+0x16c/0x240
[  545.478482][   T11]  worker_thread+0x73d/0x1010
[  545.478724][   T11]  ? __pfx_worker_thread+0x10/0x10
[  545.478982][   T11]  kthread+0x28f/0x360
[  545.479188][   T11]  ? __pfx_kthread+0x10/0x10
[  545.479423][   T11]  ret_from_fork+0x31/0x70
[  545.479649][   T11]  ? __pfx_kthread+0x10/0x10
[  545.479881][   T11]  ret_from_fork_asm+0x1b/0x30
[  545.480129][   T11]  </TASK>
[  545.480285][   T11] 
[  545.480406][   T11] The buggy address belongs to the physical page:
[  545.480747][   T11] page:ffffea0000ca1c00 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x32870
[  545.481310][   T11] flags: 0x80000000000000(node=0|zone=1)
[  545.481601][   T11] page_type: 0xffffffff()
[  545.481848][   T11] raw: 0080000000000000 ffffea00001dac08 ffff888035801c38 0000000000000000
[  545.482294][   T11] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[  545.482754][   T11] page dumped because: kasan: bad access detected
[  545.483108][   T11] 
[  545.483251][   T11] Memory state around the buggy address:
[  545.483542][   T11]  ffff888032870a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  545.483976][   T11]  ffff888032870b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  545.484416][   T11] >ffff888032870b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  545.484844][   T11]                                                              ^
[  545.485240][   T11]  ffff888032870c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  545.485699][   T11]  ffff888032870c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[  545.486117][   T11] ==================================================================
[  545.486546][   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__->