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From: Anthony Heading <anthony AT ajrh DOT net>
To: cygwin AT cygwin DOT com
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Subject: mkshortcut (cygutils-1.4.14)  free error
Date: Sat, 17 Oct 2015 22:30:14 -0400

Seems free() is being called on an adjusted pointer,  causing general
misbehaviour.  A minimal patch below.

Anthony


--- src/mkshortcut/mkshortcut.c.Orig    2015-10-17 21:57:08.000000000
-0400
+++ src/mkshortcut/mkshortcut.c 2015-10-17 22:16:41.269357400 -0400
@@ -412,7 +412,7 @@
   char* exe_name = NULL;
   char* dir_name = NULL;
   char* desc = NULL;
-  char *buf_str, *tmp_str;
+  char *buf_str, *tmp_str, *base_str;
   int tmp;
 
   /* For OLE interface */
@@ -489,6 +489,7 @@
     {
       /*  Strip trailing /'s if any */
       buf_str = xstrndup (opts.target_arg, strlen(opts.target_arg));
+      base_str = buf_str;
       tmp_str = buf_str;
       tmp = strlen (buf_str) - 1;
       while (strrchr (buf_str, '/') == (buf_str + tmp))
@@ -504,7 +505,7 @@
           buf_str++;
         }
       link_name = xstrndup (tmp_str, strlen (tmp_str));
-      free (buf_str);
+      free (base_str);
     }
   /*  User specified a name, so check it and convert  */
   else

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