From 64d1519edc959f5b8f86a66a51c40971c215e4ec Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 19 Feb 2018 13:30:45 +0100 Subject: [PATCH] brcmfmac: reject too long PSK nl80211 already allows specifying 48 bytes, but brcmfmac only supports 32. Reject keys that are too long. Signed-off-by: Johannes Berg Acked-by: Arend van Spriel Signed-off-by: Kalle Valo --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 15fa00d79fc6..74a83020c073 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -5124,6 +5124,9 @@ static int brcmf_cfg80211_set_pmk(struct wiphy *wiphy, struct net_device *dev, if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X)) return -EINVAL; + if (conf->pmk_len > BRCMF_WSEC_MAX_PSK_LEN) + return -ERANGE; + return brcmf_set_pmk(ifp, conf->pmk, conf->pmk_len); }