diff options
| -rw-r--r-- | src/nvim/eval/funcs.c | 3 | ||||
| -rw-r--r-- | test/old/testdir/test_expr.vim | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/nvim/eval/funcs.c b/src/nvim/eval/funcs.c index 91f78b8ed6..ebc34564e2 100644 --- a/src/nvim/eval/funcs.c +++ b/src/nvim/eval/funcs.c @@ -287,6 +287,9 @@ int call_internal_method(const char *const fname, const int argcount, typval_T * typval_T argv[MAX_FUNC_ARGS + 1]; const ptrdiff_t base_index = fdef->base_arg == BASE_LAST ? argcount : fdef->base_arg - 1; + if (argcount < base_index) { + return FCERR_TOOFEW; + } memcpy(argv, argvars, (size_t)base_index * sizeof(typval_T)); argv[base_index] = *basetv; memcpy(argv + base_index + 1, argvars + base_index, diff --git a/test/old/testdir/test_expr.vim b/test/old/testdir/test_expr.vim index ff3dfb83cb..fe79145fc9 100644 --- a/test/old/testdir/test_expr.vim +++ b/test/old/testdir/test_expr.vim @@ -407,6 +407,9 @@ func Test_printf_misc() call CheckLegacyAndVim9Success(lines) call CheckLegacyAndVim9Failure(["call printf('123', 3)"], "E767:") + + " this was using uninitialized memory + call CheckLegacyAndVim9Failure(["eval ''->printf()"], "E119:") endfunc func Test_printf_float() |