Check return value of fstat() in _PyImport_GetDynLoadFunc()

CID 486250

Check return value of fstat() in _PyImport_GetDynLoadFunc()
CID 486250
27c4c3ec · Christian Heimes · 58ceecfe · 27c4c3ec
Commit 27c4c3ec authored Jul 20, 2013 by Christian Heimes
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Python/dynload_shlib.c Python/dynload_shlib.c +3 -1

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--- 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) {