updat HISTORY

HISTORY.rst

@@ -7,6 +7,8 @@ XXXX-XX-XX
 
 **Bug fixes**
 
+- 1179_: [Linux] Process cmdline() now takes into account misbehaving processes
+  renaming the command line and using inappropriate chars to separate args.
 - 1595_: [Windows] Process.kill() may not throw AccessDenied.
 - 1616_: use of Py_DECREF instead of Py_CLEAR will result in double free and
   segfault (CVE).  (patch by Riccardo Schirone)

psutil/_pslinux.py

@@ -1651,9 +1651,8 @@ def cmdline(self):
             data = data[:-1]
         cmdline = data.split(sep)
         # Sometimes last char is a null byte '\0' but the args are
-        # separated by spaces, see:
-        # https://github.com/giampaolo/psutil/
-        #     issues/1179#issuecomment-552984549
+        # separated by spaces, see: https://github.com/giampaolo/psutil/
+        # issues/1179#issuecomment-552984549
         if sep == '\x00' and len(cmdline) == 1 and ' ' in data:
             cmdline = data.split(' ')
         return cmdline

psutil/tests/test_linux.py

@@ -1838,6 +1838,8 @@ def test_cmdline_spaces_mocked(self):
             assert m.called
 
     def test_cmdline_mixed_separators(self):
+        # https://github.com/giampaolo/psutil/issues/
+        #    1179#issuecomment-552984549
         p = psutil.Process()
         fake_file = io.StringIO(u('foo\x20bar\x00'))
         with mock.patch('psutil._common.open',