Fix read and write racing on multiple processes. (#1941)

Signed-off-by: Bernat Gabor <[email protected]>

Author: frostming

docs/changelog/1938.bugfix.rst

@@ -0,0 +1 @@
+Fix a bug that reading and writing on the same file may cause race on multiple processes.

src/virtualenv/app_data/via_disk_folder.py

@@ -137,7 +137,10 @@ def read(self):
         except Exception:  # noqa
             pass
         if bad_format:
-            self.remove()
+            try:
+                self.remove()
+            except OSError:  # reading and writing on the same file may cause race on multiple processes
+                pass
         return None
 
     def remove(self):