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
[ 1044.159437][ T5186] GACT probability NOT on
# 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 ]
[ 1047.750682][   T11] ==================================================================
[ 1047.751169][   T11] BUG: KASAN: use-after-free in vxlan_netdevice_event+0x32f/0x340 [vxlan]
[ 1047.751626][   T11] Read of size 8 at addr ffff88800a298bf0 by task kworker/u8:0/11
[ 1047.752026][   T11] 
[ 1047.752158][   T11] CPU: 1 PID: 11 Comm: kworker/u8:0 Not tainted 6.8.0-rc2-virtme #1
[ 1047.752609][   T11] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1047.753261][   T11] Workqueue: netns cleanup_net
[ 1047.753541][   T11] Call Trace:
[ 1047.753772][   T11]  <TASK>
[ 1047.753987][   T11]  dump_stack_lvl+0x64/0xb0
[ 1047.754235][   T11]  print_address_description.constprop.0+0x2c/0x3b0
[ 1047.754594][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[ 1047.754951][   T11]  print_report+0xb5/0x270
[ 1047.755196][   T11]  ? kasan_addr_to_slab+0x4e/0x90
[ 1047.755466][   T11]  kasan_report+0xbe/0xf0
[ 1047.755717][   T11]  ? vxlan_netdevice_event+0x32f/0x340 [vxlan]
[ 1047.756072][   T11]  vxlan_netdevice_event+0x32f/0x340 [vxlan]
[ 1047.756417][   T11]  ? __pfx_vxlan_netdevice_event+0x10/0x10 [vxlan]
[ 1047.756777][   T11]  ? nft_offload_netdev_event+0x158/0x3b0 [nf_tables]
[ 1047.757240][   T11]  ? mirred_device_event+0x185/0x210 [act_mirred]
[ 1047.757605][   T11]  notifier_call_chain+0x9a/0x290
[ 1047.757878][   T11]  unregister_netdevice_many_notify+0x55a/0x1180
[ 1047.758229][   T11]  ? mutex_is_locked+0x17/0x50
[ 1047.758491][   T11]  ? mutex_is_locked+0x17/0x50
[ 1047.758751][   T11]  ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 1047.759114][   T11]  ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 1047.759468][   T11]  default_device_exit_batch+0x228/0x2c0
[ 1047.759787][   T11]  ? __pfx_default_device_exit_batch+0x10/0x10
[ 1047.760122][   T11]  ? mutex_is_locked+0x17/0x50
[ 1047.760370][   T11]  ? nexthop_net_exit_batch_rtnl+0x83/0x210
[ 1047.760704][   T11]  cleanup_net+0x4f3/0xb50
[ 1047.760936][   T11]  ? __pfx_lock_acquire.part.0+0x10/0x10
[ 1047.761259][   T11]  ? __pfx_cleanup_net+0x10/0x10
[ 1047.761537][   T11]  ? lock_acquire+0x1c1/0x220
[ 1047.761791][   T11]  ? process_one_work+0x714/0x1310
[ 1047.762079][   T11]  process_one_work+0x78c/0x1310
[ 1047.762364][   T11]  ? hlock_class+0x4e/0x130
[ 1047.762598][   T11]  ? __pfx_process_one_work+0x10/0x10
[ 1047.762878][   T11]  ? assign_work+0x16c/0x240
[ 1047.763118][   T11]  worker_thread+0x73d/0x1010
[ 1047.763364][   T11]  ? __pfx_worker_thread+0x10/0x10
[ 1047.763634][   T11]  kthread+0x28f/0x360
[ 1047.763846][   T11]  ? __pfx_kthread+0x10/0x10
[ 1047.764087][   T11]  ret_from_fork+0x31/0x70
[ 1047.764320][   T11]  ? __pfx_kthread+0x10/0x10
[ 1047.764558][   T11]  ret_from_fork_asm+0x1b/0x30
[ 1047.764812][   T11]  </TASK>
[ 1047.764971][   T11] 
[ 1047.765095][   T11] The buggy address belongs to the physical page:
[ 1047.765424][   T11] page:ffffea000028a600 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xa298
[ 1047.765938][   T11] flags: 0x80000000000000(node=0|zone=1)
[ 1047.766229][   T11] page_type: 0xffffffff()
[ 1047.766453][   T11] raw: 0080000000000000 ffffea00002b5808 ffff888035801c38 0000000000000000
[ 1047.766891][   T11] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 1047.767329][   T11] page dumped because: kasan: bad access detected
[ 1047.767657][   T11] 
[ 1047.767780][   T11] Memory state around the buggy address:
[ 1047.768067][   T11]  ffff88800a298a80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1047.768525][   T11]  ffff88800a298b00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1047.768959][   T11] >ffff88800a298b80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1047.769395][   T11]                                                              ^
[ 1047.769809][   T11]  ffff88800a298c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1047.770253][   T11]  ffff88800a298c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 1047.770688][   T11] ==================================================================
[ 1047.771229][   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__->