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kunit: Fix possible memory leak in kunit_filter_suites()

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If both filter_glob and filters are not NULL, and kunit_parse_glob_filter()
succeed, but kcalloc parsed_filters fails, the suite_glob and test_glob of
parsed kzalloc in kunit_parse_glob_filter() will be leaked.

As Rae suggested, assign -ENOMEM to *err to correctly free copy and goto
free_parsed_glob to free the suite/test_glob of parsed.

Fixes: 1c9fd080df ("kunit: fix uninitialized variables bug in attributes filtering")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Suggested-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Jinjie Ruan 2023-09-03 15:10:28 +08:00 committed by Shuah Khan
parent 2b56a4b79b
commit 9076bc476d
1 changed files with 2 additions and 2 deletions
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4
lib/kunit/executor.c
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@ -175,8 +175,8 @@ kunit_filter_suites(const struct kunit_suite_set *suite_set,
filter_count = kunit_get_filter_count(filters); filter_count = kunit_get_filter_count(filters);
parsed_filters = kcalloc(filter_count, sizeof(*parsed_filters), GFP_KERNEL); parsed_filters = kcalloc(filter_count, sizeof(*parsed_filters), GFP_KERNEL);
if (!parsed_filters) { if (!parsed_filters) {
kfree(copy); *err = -ENOMEM;
return filtered; goto free_parsed_glob;
} }
for (j = 0; j < filter_count; j++) for (j = 0; j < filter_count; j++)
parsed_filters[j] = kunit_next_attr_filter(&filters, err); parsed_filters[j] = kunit_next_attr_filter(&filters, err);