From: Andrew M. Kuchling <amk@amk.ca>
Date: Tue, 15 Jul 2003 13:00:45 +0000 (+0000)
Subject: [Patch #708374] Only apply the check for file size if the file is a regular file... 
X-Git-Tag: 2.2~32
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=ed74a1019d98304b24c156a263a31865d1382724;p=thirdparty%2FPython%2Fcpython.git

[Patch #708374] Only apply the check for file size if the file is a regular file, not a character or block device.
---

diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index c72e4d5a2295..a73e0d8ffc7f 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -897,7 +897,8 @@ new_mmap_object(PyObject *self, PyObject *args, PyObject *kwdict)
 	}
 
 #ifdef HAVE_FSTAT
-	if (fstat(fd, &st) == 0 && (size_t)map_size > st.st_size) {
+	if (fstat(fd, &st) == 0 && S_ISREG(st.st_mode) &&
+	    (size_t)map_size > st.st_size) {
 		PyErr_SetString(PyExc_ValueError, 
 				"mmap length is greater than file size");
 		return NULL;