From: Christian Heimes <christian@cheimes.de>
Date: Sat, 20 Jul 2013 20:17:55 +0000 (+0200)
Subject: Check return value of fstat() in  _PyImport_GetDynLoadFunc()
X-Git-Tag: v3.4.0a1~128^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=27c4c3ec799dfe95bd80706a6bc9a39f2af6da6f;p=python

Check return value of fstat() in  _PyImport_GetDynLoadFunc()
CID 486250
---

diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
index 0ca65c7877..e220b21522 100644
--- 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) {