linux-kernel - Re: [PATCH] ieee802154: hwsim: Fix possible memory leak in hwsim_subscribe_all

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Date:   Mon, 14 Jun 2021 13:06:09 +0200
From:   Stefan Schmidt <stefan@...enfreihafen.org>
To:     Alexander Aring <alex.aring@...il.com>,
        Dongliang Mu <mudongliangabcd@...il.com>
Cc:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ieee802154: hwsim: Fix possible memory leak in
 hwsim_subscribe_all_others

Hello.

On 12.06.21 14:49, Alexander Aring wrote:
> Hi,
> 
> On Thu, 10 Jun 2021 at 21:58, Dongliang Mu <mudongliangabcd@...il.com> wrote:
>>
>> In hwsim_subscribe_all_others, the error handling code performs
>> incorrectly if the second hwsim_alloc_edge fails. When this issue occurs,
>> it goes to sub_fail, without cleaning the edges allocated before.
>>
>> Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
>> Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>
> 
> Acked-by: Alexander Aring <aahringo@...hat.com>
> 
> sorry, it is a correct fix. Thanks.


This patch has been applied to the wpan tree and will be
part of the next pull request to net. Thanks!

regards
Stefan Schmidt