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27 lines
992 B
27 lines
992 B
From 64d1519edc959f5b8f86a66a51c40971c215e4ec Mon Sep 17 00:00:00 2001
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From: Johannes Berg <johannes.berg@intel.com>
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Date: Mon, 19 Feb 2018 13:30:45 +0100
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Subject: [PATCH] brcmfmac: reject too long PSK
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nl80211 already allows specifying 48 bytes, but brcmfmac
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only supports 32. Reject keys that are too long.
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Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
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@@ -5125,6 +5125,9 @@ static int brcmf_cfg80211_set_pmk(struct
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if (WARN_ON(ifp->vif->profile.use_fwsup != BRCMF_PROFILE_FWSUP_1X))
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return -EINVAL;
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+ if (conf->pmk_len > BRCMF_WSEC_MAX_PSK_LEN)
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+ return -ERANGE;
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+
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return brcmf_set_pmk(ifp, conf->pmk, conf->pmk_len);
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}
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