From: Jouni Malinen <jouni@codeaurora.org>
Date: Tue, 26 Jan 2021 22:09:49 +0000 (+0200)
Subject: wlantest: Fix broadcast EAPOL-Key frame handling
X-Git-Tag: hostap_2_10~511
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=32360ad498202301c2c47ae2071f9938acb7c797;p=thirdparty%2Fhostap.git

wlantest: Fix broadcast EAPOL-Key frame handling

This resulted in an attempt to dereference a NULL pointer since sta_addr
is not known in this type of a case.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
---

diff --git a/wlantest/rx_eapol.c b/wlantest/rx_eapol.c
index eaf97c3e8..d5e10debf 100644
--- a/wlantest/rx_eapol.c
+++ b/wlantest/rx_eapol.c
@@ -1056,7 +1056,10 @@ static void rx_data_eapol_key(struct wlantest *wt, const u8 *bssid,
 
 	bss = bss_get(wt, bssid);
 	if (bss) {
-		sta = sta_get(bss, sta_addr);
+		if (sta_addr)
+			sta = sta_get(bss, sta_addr);
+		else
+			sta = NULL;
 		if (sta)
 			mic_len = wpa_mic_len(sta->key_mgmt, PMK_LEN);
 	}