openwrtv4/package/kernel/mac80211/patches/326-v4.17-0001-brcmfmac-reject-too-long-PSK.patch
Rafał Miłecki 3c8bb92655 mac80211: backport brcmfmac data structure rework
It backports brcmfmac commits from kernel 4.17.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
2018-06-17 22:46:35 +02:00

27 lines
992 B
Diff

From 64d1519edc959f5b8f86a66a51c40971c215e4ec Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
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 <johannes.berg@intel.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -5125,6 +5125,9 @@ static int brcmf_cfg80211_set_pmk(struct
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);
}