From: Bill Sommerfeld <wsommerfeld@google.com>
Date: Tue, 19 Jul 2011 15:22:33 +0000 (+0000)
Subject: ipv4: Constrain UFO fragment sizes to multiples of 8 bytes
X-Git-Tag: v3.1-rc1~316^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9be4f7a6f5a8da3133b832eca41c3591420b1ca;p=pandora-kernel.git

ipv4: Constrain UFO fragment sizes to multiples of 8 bytes

Because the ip fragment offset field counts 8-byte chunks, ip
fragments other than the last must contain a multiple of 8 bytes of
payload.  ip_ufo_append_data wasn't respecting this constraint and,
depending on the MTU and ip option sizes, could create malformed
non-final fragments.

Google-Bug-Id: 5009328
Signed-off-by: Bill Sommerfeld <wsommerfeld@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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