From: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
kmalloc and kcalloc is a memory allocation function which can return NULL
when some internal memory errors happen. Add null pointer check to avoid
dereferencing null pointer.
Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
---
lib/kunit/executor.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/lib/kunit/executor.c b/lib/kunit/executor.c
index 22640c9ee819..be21d0451367 100644
--- a/lib/kunit/executor.c
+++ b/lib/kunit/executor.c
@@ -71,9 +71,13 @@ kunit_filter_tests(struct kunit_suite *const suite, const char *test_glob)
/* Use memcpy to workaround copy->name being const. */
copy = kmalloc(sizeof(*copy), GFP_KERNEL);
+ if (!copy)
+ return NULL;
memcpy(copy, suite, sizeof(*copy));
filtered = kcalloc(n + 1, sizeof(*filtered), GFP_KERNEL);
+ if (!filtered)
+ return NULL;
n = 0;
kunit_suite_for_each_test_case(suite, test_case) {
--
2.25.1
