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vim-patch:9.0.0404: crash when passing invalid arguments to assert_fails()

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Problem:    Crash when passing invalid arguments to assert_fails().
Solution:   Check for NULL string.

1540d334a0

Co-authored-by: Bram Moolenaar <Bram@vim.org>
This commit is contained in:
zeertzjq
2023-05-05 12:36:47 +08:00
parent 17c8e39f88
commit 5fb6b3431a
2 changed files with 28 additions and 2 deletions
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11
src/nvim/testing.c
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@@ -531,6 +531,11 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
no_wait_return++;
do_cmdline_cmd(cmd);
// reset here for any errors reported below
trylevel = save_trylevel;
suppress_errthrow = false;
if (called_emsg == called_emsg_before) {
prepare_assert_error(&ga);
ga_concat(&ga, "command did not fail: ");
@@ -557,6 +562,9 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
}
const typval_T *tv = TV_LIST_ITEM_TV(tv_list_first(list));
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL) {
goto theend;
}
if (!pattern_match(expected, actual, false)) {
error_found = true;
expected_str = expected;
@@ -565,6 +573,9 @@ void f_assert_fails(typval_T *argvars, typval_T *rettv, EvalFuncData fptr)
tofree = actual = xstrdup(get_vim_var_str(VV_ERRMSG));
tv = TV_LIST_ITEM_TV(tv_list_last(list));
expected = tv_get_string_buf_chk(tv, buf);
if (expected == NULL) {
goto theend;
}
if (!pattern_match(expected, actual, false)) {
error_found = true;
expected_str = expected;