cannot remove temporal uftrace.data directories for testing when built with ASAN=1

[kangtegong]

Here is the environment where the problem occurred:

$ uname -a
Linux minchul 5.15.0-67-generic #74~20.04.1-Ubuntu SMP Wed Feb 22 14:52:34 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.6 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.6 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal

When I ran runtests.py with ASAN=1 like below,

$ make ASAN=1 && sudo make install
$ cd tests/
$ ./runtests.py

temporal directories for tests are not deleted with following messages.

... skipped...
269 arg_no_args_replay  : OK OK OK OK OK SK SK SK SK SK OK OK OK OK OK  OK OK OK OK OK SK SK SK SK SK OK OK OK OK OK
270 arg_no_args_dump    : OK OK OK OK OK SK SK SK SK SK OK OK OK OK OK  OK OK OK OK OK SK SK SK SK SK OK OK OK OK OK
271 script_event        : NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ
272 dump_mermaid        : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
rm: cannot remove '/tmp/test_agent_3b21r3fo/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_2_ibqbl1/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_acq99rz4/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_w1snqq20/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_upgc9zhr/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_k8b79en8/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_gw_rjib5/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_yg987epr/uftrace.data': Directory not empty
273 agent_basic         : OK OK OK OK OK OK OK NZ OK OK NZ NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ
274 filter_loc1         : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
275 filter_loc2         : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
276 filter_loc3         : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
277 time_range3         : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
278 size_filter1        : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
279 size_filter2        : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
280 size_filter3        : OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK  OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
rm: cannot remove '/tmp/test_agent_6kt6dcao/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_az8y3tu6/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_3nxu6ofc/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_nyzqzz28/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_3zunb8y6/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent__8ycthox/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_jqlsngap/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_v8f5bpui/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_avf2h_qn/uftrace.data': Directory not empty
281 agent_trace_toggle  : OK OK OK OK NZ NZ NZ NZ NZ OK NZ NZ NZ NZ NZ  OK NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ OK NZ NZ NZ
282 agent_depth         : OK OK OK OK NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ
283 agent_time          : OK OK OK NZ OK NZ NZ OK NZ NZ NZ NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ OK NZ NZ NZ OK NZ
rm: cannot remove '/tmp/test_agent_70i_skk0/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_s8ken8ne/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_ff1n6ibw/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_uls29hzh/uftrace.data': Directory not empty
rm: cannot remove '/tmp/test_agent_78qqrfej/uftrace.data': Directory not empty
284 agent_filter        : OK NZ NZ OK NZ NZ NZ NZ NZ OK OK NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ
285 agent_caller_filter : OK OK NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ  OK NZ NZ NZ NZ OK NZ NZ NZ NZ NZ NZ NZ NZ NZ
286 agent_trigger       : OK NZ NZ NZ NZ NZ NZ NZ NZ OK NZ NZ NZ NZ NZ  NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ NZ


runtime test stats
====================
total  8580  Tests executed (success: 76.17%)
  OK:  6395  Test succeeded
  OK:   140  Test succeeded (with some fixup)
  NG:    64  Different test result
  NZ:   669  Non-zero return value
  SG:     2  Abnormal exit by signal
  TM:     0  Test ran too long
  BI:    15  Build failed
  LA:     0  Unsupported Language
  SK:  1295  Skipped

And as you can see the command below, uftrace.data for testing remains, and I had to remove them manually.

$ ls /tmp/test_agent_*
/tmp/test_agent_2_ibqbl1:
uftrace.data

/tmp/test_agent_3b21r3fo:
uftrace.data

/tmp/test_agent_3nxu6ofc:
uftrace.data

/tmp/test_agent_3zunb8y6:
uftrace.data

/tmp/test_agent_6kt6dcao:
uftrace.data

/tmp/test_agent_70i_skk0:
uftrace.data

/tmp/test_agent_78qqrfej:
uftrace.data

... skipped ...

Weird thing is, problem above does not occur when not built with ASAN=1 flag like below.

$ make && sudo make install

I'll try to diagnose the cause of this issue,
but if you have any ideas or have encountered a similar problem, I'd love to hear about it.

Thanks :)