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Message-ID: <1337408730.7029.69.camel@edumazet-glaptop> Date: Sat, 19 May 2012 08:25:30 +0200 From: Eric Dumazet <eric.dumazet@...il.com> To: David Miller <davem@...emloft.net> Cc: davej@...hat.com, netdev@...r.kernel.org, kernel-team@...oraproject.org, edumazet@...gle.com Subject: Re: ppp/l2tp doing oversized allocations ? On Sat, 2012-05-19 at 07:01 +0200, Eric Dumazet wrote: > On Sat, 2012-05-19 at 00:46 -0400, David Miller wrote: > > > So it's ESP encapsulated IPSEC over L2tp. > > > > Eric, I wonder if session->hdr_len can take on undesirable values and > > thus trip up the skb COW'ing calculations you added? > > I take a look, thanks > hdr_len is u16, I have no idea how we can reach MAX_ORDER page allocations... (more than 2 Mbytes...) Maybe a memory corruption, or a signed/unsigned mismatch. -- 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
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