Author: adrian
Date: Mon Feb 20 03:45:41 2017
New Revision: 313983
URL: https://svnweb.freebsd.org/changeset/base/313983
Log:
[net80211] fix NULL pointer dereference in VHT operation in hostap mode.
The vht IEs are NULL at this point, so we shouldn't upgrade a node to VHT.
I'll fix the upgrade after this!
Tested:
* ath10k, hostap mode
Modified:
head/sys/net80211/ieee80211_hostap.c
Modified: head/sys/net80211/ieee80211_hostap.c
==============================================================================
--- head/sys/net80211/ieee80211_hostap.c Mon Feb 20 03:43:12 2017
(r313982)
+++ head/sys/net80211/ieee80211_hostap.c Mon Feb 20 03:45:41 2017
(r313983)
@@ -2151,7 +2151,9 @@ hostap_recv_mgmt(struct ieee80211_node *
ni->ni_chan = vap->iv_bss->ni_chan;
/* VHT */
- if (IEEE80211_IS_CHAN_VHT(ni->ni_chan)) {
+ if (IEEE80211_IS_CHAN_VHT(ni->ni_chan) &&
+ htcap != NULL &&
+ vhtinfo != NULL) {
/* XXX TODO; see below */
printf("%s: VHT TODO!\n", __func__);
ieee80211_vht_node_init(ni);
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