netdev - Re: [PATCH net] net: vxlan: fix crash when interface is created with no group

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Message-ID: <CAF1J0HNOSKvRpjxN9+fs25mVDqo9wh==c-ZuS1i7CaWAnrCEgA@mail.gmail.com>
Date:	Tue, 18 Mar 2014 17:51:23 +0200
From:	Mike Rapoport <mike.rapoport@...ellosystems.com>
To:	Or Gerlitz <or.gerlitz@...il.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net] net: vxlan: fix crash when interface is created with
 no group

On Tue, Mar 18, 2014 at 5:10 PM, Or Gerlitz <or.gerlitz@...il.com> wrote:
> On Mon, Mar 17, 2014 at 1:17 PM, Mike Rapoport
> <mike.rapoport@...ellosystems.com> wrote:
>> If the vxlan interface is created without group definition, there is a
>> panic on the first packet reception:
>>
>> $ ip link add dev vxlan0 type vxlan id 1
>> $ ip addr add dev vxlan0 10.0.0.1/24
>> $ ip link set up dev vxlan0
>>
>>   BUG: unable to handle kernel paging request at 0000000100000103
>>   IP: [<ffffffff8143435b>] ipv6_rcv+0xfa/0x399
>
> Hi Mike,
>
> So this bug/fix is for 3.14 and also earlier kernels?

I think the bug was introduced by addition of ipv6 to vxlan, which was
merged in 3.12.

> Or.



-- 
Sincerely yours,
Mike.
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