[patch 4/7] d80211: fix potential invalid array index returning key information
From: David Kimdon <hidden>
Date: 2006-12-07 00:45:19
sdata->keys[] has NUM_DEFAULT_KEYS elements, don't access past that. Signed-off-by: David Kimdon <redacted> Index: wireless-dev/net/d80211/ieee80211_ioctl.c ===================================================================
--- wireless-dev.orig/net/d80211/ieee80211_ioctl.c
+++ wireless-dev/net/d80211/ieee80211_ioctl.c@@ -803,7 +803,7 @@ static int ieee80211_ioctl_get_encryptio param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { sta = NULL; - if (param->u.crypt.idx > NUM_DEFAULT_KEYS) { + if (param->u.crypt.idx >= NUM_DEFAULT_KEYS) { param->u.crypt.idx = sdata->default_key ? sdata->default_key->keyidx : 0; return 0; --