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[68.180.36.26]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7b35c9ad6dcsm130075385a.68.2024.11.14.22.38.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Nov 2024 22:38:48 -0800 (PST) From: Gax-c To: johannes@sipsolutions.net, benjamin.berg@intel.com, miriam.rachel.korenblit@intel.com Cc: linux-wireless@vger.kernel.org, zzjas98@gmail.com, chenyuan0y@gmail.com, Zichen Xie Subject: [PATCH v2] wifi: cfg80211: tests: Fix potential NULL dereference in test_cfg80211_parse_colocated_ap() Date: Fri, 15 Nov 2024 00:38:36 -0600 Message-Id: <20241115063835.5888-1-zichenxie0106@gmail.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Zichen Xie 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 --- v2: Adjust subject. --- net/wireless/tests/scan.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/wireless/tests/scan.c b/net/wireless/tests/scan.c index 9f458be71659..79a99cf5e892 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);