Re: [Qemu-devel] [PATCH] net: check packet payload length

[P J P]

+-- On Thu, 18 Feb 2016, P J P wrote --+
| +-- On Wed, 17 Feb 2016, Markus Armbruster wrote --+
| | Is calling this function with a partial IPv4 TCP/UDP packet legitimate? 
| | If partial packet is okay, what about a partial header?
| 
|   Partial? That shouldn't harm I guess.

  For partial TCP/UDP headers it does return with no checksum.

    if (plen < csum_offset+2)
        return;
 
--
Prasad J Pandit / Red Hat Product Security Team
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