patch 7.4.903

Problem:    MS-Windows: When 'encoding' differs from the current code page,
            expandinig wildcards may cause illegal memory access.
Solution:   Allocate a longer buffer. (Ken Takata)

1 files changed, 3 insertions, 2 deletions

diff --git a/src/misc1.c b/src/misc1.c
index aacf610ad..fa1e049d3 100644
--- a/src/misc1.c
+++ b/src/misc1.c
@@ -9940,8 +9940,9 @@ dos_expandpath(
 	    return 0;
     }
 
-    /* make room for file name */
-    buf = alloc((int)STRLEN(path) + BASENAMELEN + 5);
+    /* Make room for file name.  When doing encoding conversion the actual
+     * length may be quite a bit longer, thus use the maximum possible length. */
+    buf = alloc((int)MAXPATHL);
     if (buf == NULL)
 	return 0;