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(parent: 7e814a6) | patch
net: socket: error on a negative msg_namelen
authorMatthew Leach <matthew.leach@arm.com>
Tue, 11 Mar 2014 11:58:27 +0000 (11:58 +0000)
committerDavid S. Miller <davem@davemloft.net>
Wed, 12 Mar 2014 20:29:24 +0000 (16:29 -0400)
commitdbb490b96584d4e958533fb637f08b557f505657
tree84fdc09b19d8564983ee4b39dd5183782417071etree
parent7e814a6c50a1669118ffa4961568fea3aa955fafcommit | diff
net: socket: error on a negative msg_namelen

When copying in a struct msghdr from the user, if the user has set the
msg_namelen parameter to a negative value it gets clamped to a valid
size due to a comparison between signed and unsigned values.

Ensure the syscall errors when the user passes in a negative value.

Signed-off-by: Matthew Leach <matthew.leach@arm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/socket.c diff | blob | blame | history
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