From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kalle Valo Subject: Re: wil6210: increase cmd buffer size to avoid sscanf buffer overflow Date: Tue, 3 Mar 2015 13:48:34 +0000 (UTC) Message-ID: <20150303134834.AA167140CD2@smtp.codeaurora.org> References: <1425232113-5010-1-git-send-email-colin.king@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Vladimir Kondratiev , linux-wireless@vger.kernel.org, wil6210@qca.qualcomm.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: Colin Ian King Return-path: In-Reply-To: <1425232113-5010-1-git-send-email-colin.king@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org > From: Colin Ian King > > cppcheck detected a buffer overflow: > > [drivers/net/wireless/ath/wil6210/debugfs.c:634]: (error) Width 8 > given in format string (no. 1) is larger than destination buffer > 'cmd[8]', use %7s to prevent overflowing it. > > For the current %8s sscanf we require cmd to be 9 chars long > so increase it by 1 byte to prevent the sscan overflow (rather > than reduce the %8s specifier to %7s as cppcheck recommends). > > Signed-off-by: Colin Ian King > Acked-by: Vladimir Kondratiev Thanks, applied to wireless-drivers-next.git. Kalle Valo