netdev - RE: [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with skb_cow

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <AM0PR04MB6754E51184163B357DAACDFB96110@AM0PR04MB6754.eurprd04.prod.outlook.com>
Date:   Tue, 3 Nov 2020 17:41:36 +0000
From:   Claudiu Manoil <claudiu.manoil@....com>
To:     Vladimir Oltean <olteanv@...il.com>
CC:     Jakub Kicinski <kuba@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S . Miller" <davem@...emloft.net>,
        "james.jurack@...tek.com" <james.jurack@...tek.com>
Subject: RE: [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with
 skb_cow_head for PTP

>-----Original Message-----
>From: Vladimir Oltean <olteanv@...il.com>
>Sent: Tuesday, November 3, 2020 7:30 PM
>To: Claudiu Manoil <claudiu.manoil@....com>
>Cc: Jakub Kicinski <kuba@...nel.org>; netdev@...r.kernel.org; David S .
>Miller <davem@...emloft.net>; james.jurack@...tek.com
>Subject: Re: [PATCH net v2 1/2] gianfar: Replace skb_realloc_headroom with
>skb_cow_head for PTP
>
>On Tue, Nov 03, 2020 at 05:18:25PM +0000, Claudiu Manoil wrote:
>> It's either the dev_kfree_skb_any from the dma mapping error path or the
>one
>> from skb_cow_head()'s error path.  A confirmation would help indeed.
>
>It says "consume", not "kfree", which in my mind would make it point
>towards the only caller of consume_skb from the gianfar driver, i.e. the
>dev_consume_skb_any that you just added.

This is the patch:
https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/commit/?id=d145c9031325fed963a887851d9fa42516efd52b

are you sure you have it applied?