patch 8.2.0101: crash when passing null object to ":echomsg"
Problem: Crash when passing null object to ":echomsg".
Solution: Check for NULL pointer. (Yasuhiro Matsumoto, closes #5460)
diff --git a/src/eval.c b/src/eval.c
index 2a2d9d4..6e88c5c 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5682,6 +5682,7 @@
{
if (varp->v_type == VAR_LIST
|| varp->v_type == VAR_DICT
+ || varp->v_type == VAR_BLOB
|| varp->v_type == VAR_FUNC
|| varp->v_type == VAR_PARTIAL
|| varp->v_type == VAR_FLOAT)
@@ -6057,6 +6058,12 @@
p = tv_get_string_buf(&rettv, buf);
else
p = tv_stringify(&rettv, buf);
+ if (p == NULL)
+ {
+ clear_tv(&rettv);
+ ret = FAIL;
+ break;
+ }
len = (int)STRLEN(p);
if (ga_grow(&ga, len + 2) == FAIL)
{