patch 8.1.2282: crash when passing many arguments through a partial
Problem: Crash when passing many arguments through a partial. (Andy
Massimino)
Solution: Check the number of arguments. (closes #5186)
diff --git a/src/regexp.c b/src/regexp.c
index 42f34c2..7fe891d 100644
--- a/src/regexp.c
+++ b/src/regexp.c
@@ -2015,12 +2015,18 @@
call_func(s, -1, &rettv, 1, argv, &funcexe);
}
if (matchList.sl_list.lv_len > 0)
- /* fill_submatch_list() was called */
+ // fill_submatch_list() was called
clear_submatch_list(&matchList);
- eval_result = tv_get_string_buf_chk(&rettv, buf);
- if (eval_result != NULL)
- eval_result = vim_strsave(eval_result);
+ if (rettv.v_type == VAR_UNKNOWN)
+ // something failed, no need to report another error
+ eval_result = NULL;
+ else
+ {
+ eval_result = tv_get_string_buf_chk(&rettv, buf);
+ if (eval_result != NULL)
+ eval_result = vim_strsave(eval_result);
+ }
clear_tv(&rettv);
}
else