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diff src/evalfunc.c @ 18576:e9675870c480 v8.1.2282

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patch 8.1.2282: crash when passing many arguments through a partial Commit: https://github.com/vim/vim/commit/4c054e9fb23027b55a09ee647a3a2c91936aeb1b Author: Bram Moolenaar <Bram@vim.org> Date: Sun Nov 10 00:13:50 2019 +0100 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)
author Bram Moolenaar <Bram@vim.org>
date Sun, 10 Nov 2019 00:15:04 +0100
parents 34d5cd432cac
children 3089b422b9dc
line wrap: on
line diff
--- a/src/evalfunc.c
+++ b/src/evalfunc.c
@@ -2527,6 +2527,12 @@ common_function(typval_T *argvars, typva
 		list = argvars[arg_idx].vval.v_list;
 		if (list == NULL || list->lv_len == 0)
 		    arg_idx = 0;
+		else if (list->lv_len > MAX_FUNC_ARGS)
+		{
+		    emsg_funcname((char *)e_toomanyarg, name);
+		    vim_free(name);
+		    goto theend;
+		}
 	    }
 	}
 	if (dict_idx > 0 || arg_idx > 0 || arg_pt != NULL || is_funcref)