From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Berg Subject: Re: [PATCH] mac80211: fix incorrect error return path on tmp allocation failure Date: Fri, 28 Oct 2016 20:16:33 +0200 Message-ID: <1477678593.4220.2.camel@sipsolutions.net> References: <20161028180824.7110-1-colin.king@canonical.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: linux-kernel@vger.kernel.org To: Colin King , "David S . Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Return-path: In-Reply-To: <20161028180824.7110-1-colin.king@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Fri, 2016-10-28 at 19:08 +0100, Colin King wrote: > From: Colin Ian King > > The current exit path when tmp fails to be allocated is via the > fail label which frees tfm2 which has not yet been allocated, > which is problematic since tfm2 is not initialized and is a garbage > pointer. Fix this by exiting directly to the return at the end > of the function and hence avoiding the freeing of tfm2. Yeah, thanks. Arnd beat you to the fix by about 8 hours, so I've already applied his patch and sent an updated pull request :) johannes