patch 8.2.3396: when libcall() fails invalid pointer may be used
Problem: When libcall() fails invalid pointer may be used.
Solution: Initialize the string to NULL. (Yasuhiro Matsumoto, closes #8829)
diff --git a/src/evalfunc.c b/src/evalfunc.c
index 287ca3c..fd385fe 100644
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -6689,9 +6689,14 @@
if (argvars[2].v_type == VAR_STRING)
string_in = argvars[2].vval.v_string;
if (type == VAR_NUMBER)
+ {
string_result = NULL;
+ }
else
+ {
+ rettv->vval.v_string = NULL;
string_result = &rettv->vval.v_string;
+ }
if (mch_libcall(argvars[0].vval.v_string,
argvars[1].vval.v_string,
string_in,
diff --git a/src/version.c b/src/version.c
index 435affe..3708e8f 100644
--- a/src/version.c
+++ b/src/version.c
@@ -756,6 +756,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 3396,
+/**/
3395,
/**/
3394,