From: Tejaswi Tanikella <>
Date: Wed, 11 Apr 2018 16:34:47 +0530

> On receiving a packet the state index points to the rstate which must be
> used to fill up IP and TCP headers. But if the state index points to a
> rstate which is unitialized, i.e. filled with zeros, it gets stuck in an
> infinite loop inside ip_fast_csum trying to compute the ip checsum of a
> header with zero length.
> Adding a variable to indicate if the current rstate is initialized. If
> such a packet arrives, move to toss state.
> Signed-off-by: Tejaswi Tanikella <>

Applied and queued up for -stable, thanks.

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