net: netlink: Update attr validation to require exact length for some types

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Attributes using NLA_U* and NLA_S* (where * is 8, 16,32 and 64) are
expected to be an exact length. Split these data types from
nla_attr_minlen into nla_attr_len and update validate_nla to require
the attribute to have exact length for them.

Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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David Ahern 2017-11-07 21:59:40 -08:00 • committed by David S. Miller

parent 2210d6b2f2

commit 28033ae4e0

1 changed files with 16 additions and 3 deletions

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lib/nlattr.c

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