From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 16 Dec 2013 22:06:19 +0000 (+0100)
Subject: tracemalloc: fix usage of strtol(), value can be LONG_MIN or LONG_MAX on ERANGE
X-Git-Tag: v3.4.0b2~195
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=711e27cd503933cfe7a42d931d2b69dc79014ae0;p=thirdparty%2FPython%2Fcpython.git

tracemalloc: fix usage of strtol(), value can be LONG_MIN or LONG_MAX on ERANGE
---

diff --git a/Modules/_tracemalloc.c b/Modules/_tracemalloc.c
index 7e6113dc1ae2..f8ce76625181 100644
--- a/Modules/_tracemalloc.c
+++ b/Modules/_tracemalloc.c
@@ -1373,11 +1373,12 @@ _PyTraceMalloc_Init(void)
         char *endptr = p;
         long value;
 
+        errno = 0;
         value = strtol(p, &endptr, 10);
         if (*endptr != '\0'
             || value < 1
             || value > MAX_NFRAME
-            || (errno == ERANGE && value == ULONG_MAX))
+            || errno == ERANGE)
         {
             Py_FatalError("PYTHONTRACEMALLOC: invalid number of frames");
             return -1;