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[EBTABLES]: Fix wraparounds in ebt_entries verification.
authorAl Viro <viro@zeniv.linux.org.uk>
Fri, 1 Dec 2006 03:22:42 +0000 (19:22 -0800)
committerDavid S. Miller <davem@sunset.davemloft.net>
Sun, 3 Dec 2006 05:31:53 +0000 (21:31 -0800)
We need to verify that
a) we are not too close to the end of buffer to dereference
b) next entry we'll be checking won't be _before_ our

While we are at it, don't subtract unrelated pointers...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

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