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From: Eric Dumazet <>
To: Paolo Abeni <>,
Cc: "David S. Miller" <>,
	David Ahern <>,
	syzbot <>,
Subject: Re: [PATCH net v2] ipv6: the entire IPv6 header chain must fit the first fragment
Date: Fri, 23 Mar 2018 07:04:47 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 03/23/2018 06:47 AM, Paolo Abeni wrote:
> While building ipv6 datagram we currently allow arbitrary large
> extheaders, even beyond pmtu size. The syzbot has found a way
> to exploit the above to trigger the following splat:
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Reported-by:
> Signed-off-by: Paolo Abeni <>

Reviewed-by: Eric Dumazet <>

Thanks Paolo !

  reply	other threads:[~2018-03-23 14:04 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-23 13:47 [PATCH net v2] ipv6: the entire IPv6 header chain must fit the first fragment Paolo Abeni
2018-03-23 14:04 ` Eric Dumazet [this message]
2018-03-26  1:18 ` David Miller

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