Check return value of fstat() in _PyImport_GetDynLoadFunc()

tiran · tiran · commit 27c4c3ec799d · 2013-07-20T22:17:55.000+02:00
CID 486250
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
@@ -90,7 +90,9 @@ dl_funcptr _PyImport_GetDynLoadFunc(const char *shortname,
     if (fp != NULL) {
         int i;
         struct stat statb;
-        fstat(fileno(fp), &statb);
+        if (fstat(fileno(fp), &statb) == -1) {
+            return PyErr_SetFromErrno(PyExc_IOError);
+        }
         for (i = 0; i < nhandles; i++) {
             if (statb.st_dev == handles[i].dev &&
                 statb.st_ino == handles[i].ino) {
