brcmfmac: assure SSID length from firmware is limited
commitf9ba91b5d1bfb6124640e00dca6562f69b71ca19
authorArend van Spriel <arend.vanspriel@broadcom.com>
Thu, 14 Feb 2019 12:43:47 +0000 (14 13:43 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 31 May 2019 13:47:12 +0000 (31 06:47 -0700)
tree82e4b602f407e66ac3724ac597584031234c25b3
parentc20f6d01ea9694b94770185e937cdf16c8b14e6f
brcmfmac: assure SSID length from firmware is limited

commit 1b5e2423164b3670e8bc9174e4762d297990deff upstream.

The SSID length as received from firmware should not exceed
IEEE80211_MAX_SSID_LEN as that would result in heap overflow.

Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Cc: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c