mac80211: fix IBSS presp allocation size
authorJohannes Berg <johannes.berg@intel.com>
Thu, 27 Apr 2017 11:19:04 +0000 (13:19 +0200)
committerJohannes Berg <johannes.berg@intel.com>
Mon, 8 May 2017 09:25:04 +0000 (11:25 +0200)
commitf1f3e9e2a50a70de908f9dfe0d870e9cdc67e042
tree5104b9a107d333692b1bdb167f6623fa68e25953
parent4954601f821bb5afd4dd59b57bf801adf4924bbd
mac80211: fix IBSS presp allocation size

When VHT IBSS support was added, the size of the extra elements
wasn't considered in ieee80211_ibss_build_presp(), which makes
it possible that it would overrun the allocated buffer. Fix it
by allocating the necessary space.

Fixes: abcff6ef01f9 ("mac80211: add VHT support for IBSS")
Reported-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/ibss.c