Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2024-12-28 16:53:49 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

kunit: Fix potential null dereference in kunit_device_driver_test()

Browse Source 
kunit_kzalloc() may return a NULL pointer, dereferencing it without
NULL check may lead to NULL dereference.
Add a NULL check for test_state.

Link: https://lore.kernel.org/r/20241115054335.21673-1-zichenxie0106@gmail.com
Fixes: d03c720e03 ("kunit: Add APIs for managing devices")
Signed-off-by: Zichen Xie <zichenxie0106@gmail.com>
Cc: stable@vger.kernel.org
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Zichen Xie 2024-11-14 23:43:36 -06:00 committed by Shuah Khan
parent aadf9cb1f0
commit 435c20eed5
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/kunit/kunit-test.c
View File

@ -805,6 +805,8 @@ static void kunit_device_driver_test(struct kunit *test)
struct device *test_device;
struct driver_test_state *test_state = kunit_kzalloc(test, sizeof(*test_state), GFP_KERNEL);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, test_state);
test->priv = test_state;
test_driver = kunit_driver_create(test, "my_driver");