This is a note to let you know that I've just added the patch titled wifi: cfg80211: tests: Fix potential NULL dereference in test_cfg80211_parse_colocated_ap() to the 6.12-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-cfg80211-tests-fix-potential-null-dereference-i.patch and it can be found in the queue-6.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 7860b7d40a5d9327a368c4ce6ba678336279cbbc Author: Zichen Xie <zichenxie0106@xxxxxxxxx> Date: Fri Nov 15 00:38:36 2024 -0600 wifi: cfg80211: tests: Fix potential NULL dereference in test_cfg80211_parse_colocated_ap() [ Upstream commit 13c4f7714c6a1ecf748a2f22099447c14fe6ed8c ] kunit_kzalloc() may return NULL, dereferencing it without NULL check may lead to NULL dereference. Add a NULL check for ies. Fixes: 45d43937a44c ("wifi: cfg80211: add a kunit test for 6 GHz colocated AP parsing") Signed-off-by: Zichen Xie <zichenxie0106@xxxxxxxxx> Link: https://patch.msgid.link/20241115063835.5888-1-zichenxie0106@xxxxxxxxx Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/net/wireless/tests/scan.c b/net/wireless/tests/scan.c index 9f458be716595..79a99cf5e8922 100644 --- a/net/wireless/tests/scan.c +++ b/net/wireless/tests/scan.c @@ -810,6 +810,8 @@ static void test_cfg80211_parse_colocated_ap(struct kunit *test) skb_put_data(input, "123", 3); ies = kunit_kzalloc(test, struct_size(ies, data, input->len), GFP_KERNEL); + KUNIT_ASSERT_NOT_NULL(test, ies); + ies->len = input->len; memcpy(ies->data, input->data, input->len);