Thank you for your bug report.
I can confirm this bug. Here are the steps to reproduce it:
# lxc launch images:ubuntu/focal iotop-bug1932523
# lxc shell iotop-bug1932523
$ apt update && apt install -y iotop gcc
$ echo -e '#include <unistd.h>\nint main(){sleep(1000);return 0;}' | gcc -x c
-o 'Инстанц�' -
$ ./Инстанц�
## <Type Control-Z here to put the program in the backgroun>
$ iotop
Traceback (most recent call last):
File "/usr/sbin/iotop", line 17, in <module>
main()
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 737, in main
main_loop()
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 727, in <lambda>
main_loop = lambda: run_iotop(options)
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 620, in run_iotop
return curses.wrapper(run_iotop_window, options)
File "/usr/lib/python3.8/curses/__init__.py", line 105, in wrapper
return func(stdscr, *args, **kwds)
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 612, in
run_iotop_window
ui.run()
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 188, in run
self.refresh_display(iterations == 0, total, current,
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 476, in
refresh_display
lines = self.get_data()
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 457, in get_data
return list(map(format, processes))
File "/usr/lib/python3/dist-packages/iotop/ui.py", line 432, in format
cmdline = p.get_cmdline()
File "/usr/lib/python3/dist-packages/iotop/data.py", line 308, in get_cmdline
proc_status = parse_proc_pid_status(self.pid)
File "/usr/lib/python3/dist-packages/iotop/data.py", line 210, in
parse_proc_pid_status
for line in open('/proc/%d/status' % pid):
File "/usr/lib/python3.8/codecs.py", line 322, in decode
(result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xef in position 20:
invalid continuation byte
I was able to verify that this bug still happens on impish, using a recent
version of iotop (0.6-24-g733f3f8-1.1).
@Mingun, I think the best course of action for this bug is to contact
upstream and suggest the patch to them first. Woud you be willing to do
that, please?
Thank you.
** Changed in: iotop (Ubuntu)
Status: New => Triaged
** Changed in: iotop (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/1932523
Title:
iotop can raise UnicodeDecodeError because /proc/pid/status can have
non-utf-8 data in Name
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