netdev - Re: [PATCH net v2] skbuff: Fix skb checksum flag on skb pull

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: <CALnjE+pyz_qTYXOm1vB89g+-KvE7dHfaaw5iG5manoYzLd7FHg@mail.gmail.com>
Date:	Fri, 25 Sep 2015 19:48:57 -0700
From:	Pravin Shelar <pshelar@...ira.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net v2] skbuff: Fix skb checksum flag on skb pull

On Thu, Sep 24, 2015 at 2:09 PM, David Miller <davem@...emloft.net> wrote:
> From: Pravin B Shelar <pshelar@...ira.com>
> Date: Tue, 22 Sep 2015 12:57:53 -0700
>
>> VXLAN device can receive skb with checksum partial. But the checksum
>> offset could be in outer header which is pulled on receive. This results
>> in negative checksum offset for the skb. Such skb can cause the assert
>> failure in skb_checksum_help(). Following patch fixes the bug by setting
>> checksum-none while pulling outer header.
>>
>> Following is the kernel panic msg from old kernel hitting the bug.
>  ...
>> Reported-by: Anupam Chanda <achanda@...are.com>
>> Signed-off-by: Pravin B Shelar <pshelar@...ira.com>
>
> Applied, thanks.

Thanks for applying it. Since I have seen this bug on older kernel can
you also queue it for -stable.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html