patch 7.4.815v7.4.815v7-4-815

Problem:    Invalid memory access when doing ":call g:".
Solution:   Check for an empty name. (Dominique Pelle)

2 files changed, 5 insertions, 0 deletions

diff --git a/src/eval.c b/src/eval.c
index 8238b6ec..cc9e8788 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -21371,6 +21371,7 @@ find_var_in_ht(ht, htname, varname, no_autoload)
 
 /*
  * Find the hashtab used for a variable name.
+ * Return NULL if the name is not valid.
  * Set "varname" to the start of name without ':'.
  */
     static hashtab_T *
@@ -21380,6 +21381,8 @@ find_var_ht(name, varname)
 {
     hashitem_T	*hi;
 
+    if (name[0] == NUL)
+	return NULL;
     if (name[1] != ':')
     {
 	/* The name must not start with a colon or #. */
diff --git a/src/version.c b/src/version.c
index 53fa03dd..fc27f414 100644
--- a/src/version.c
+++ b/src/version.c
@@ -742,6 +742,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    815,
+/**/
     814,
 /**/
     813,