hostapd: backport extra changes related to KRACK

While these changes are not included in the advisory, upstream
encourages users to merge them.
See http://lists.infradead.org/pipermail/hostap/2017-October/037989.html

Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

1 files changed, 25 insertions, 0 deletions

diff --git a/package/network/services/hostapd/patches/012-Clear-BSSID-information-in-supplicant-state-machine-.patch b/package/network/services/hostapd/patches/012-Clear-BSSID-information-in-supplicant-state-machine-.patch
new file mode 100644
index 0000000..808d345
--- /dev/null
+++ b/package/network/services/hostapd/patches/012-Clear-BSSID-information-in-supplicant-state-machine-.patch
@@ -0,0 +1,25 @@
+From c0fe5f125a9d4a6564e1f4956ccc3809bf2fd69d Mon Sep 17 00:00:00 2001
+From: Jouni Malinen <j@w1.fi>
+Date: Tue, 17 Oct 2017 01:15:24 +0300
+Subject: [PATCH] Clear BSSID information in supplicant state machine on
+ disconnection
+
+This fixes a corner case where RSN pre-authentication candidate from
+scan results was ignored if the station was associated with that BSS
+just before running the new scan for the connection.
+
+Signed-off-by: Jouni Malinen <j@w1.fi>
+---
+ src/rsn_supp/wpa.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+--- a/src/rsn_supp/wpa.c
++++ b/src/rsn_supp/wpa.c
+@@ -2662,6 +2662,7 @@ void wpa_sm_notify_disassoc(struct wpa_s
+ 	wpa_sm_drop_sa(sm);
+ 
+ 	sm->msg_3_of_4_ok = 0;
++	os_memset(sm->bssid, 0, ETH_ALEN);
+ }
+ 
+