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alignment issues on netif_rx (fwd)

Linux-ia64 Keith Owens 1 participant 1 message Dec 18, 2000

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This just came up on the netdev list. Is Andi correct and misaligned IP options will cause a kernel error?

------- Forwarded Message

Return-Path: <[email protected]>
Date:   Sun, 17 Dec 2000 22:36:12 +0100
From:   Andi Kleen <[email protected]>
To:     Johannes Erdfelt <[email protected]>

Cc: "David S. Miller" <[email protected]>, [email protected],
[email protected]
Subject: Re: alignment issues on netif_rx

Quoted 3 lines · Johannes Erdfelt

However, I can't imagine we've made it this long without this being a problem so there must be something I'm missing.

Nobody apparently tried to use IPX on IA64 yet (due to a different ethernet header length it usually has to deal with an misaligned header)

With this there are also plenty of ways to crash an IA64 box remotely, e.g. by putting misaligned timestamps into options.

- -Andi

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