From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless@vger.kernel.org
Cc: arend.vanspriel@broadcom.com, Johannes Berg <johannes.berg@intel.com>
Subject: [PATCH] brcmfmac: reject too long PSK
Date: Mon, 19 Feb 2018 13:30:45 +0100 [thread overview]
Message-ID: <20180219123045.8818-1-johannes@sipsolutions.net> (raw)
From: Johannes Berg <johannes.berg@intel.com>
nl80211 already allows specifying 48 bytes, but brcmfmac
only supports 32. Reject keys that are too long.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---
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);
}
--
2.15.1
next reply other threads:[~2018-02-19 12:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-19 12:30 Johannes Berg [this message]
2018-02-21 8:44 ` [PATCH] brcmfmac: reject too long PSK Arend van Spriel
2018-02-27 16:24 ` Kalle Valo
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