tree 2502de8e8e71fbaba8c5cb8611ec2ba84c225451
parent 2195f2062e4cc93870da8e71c318ef98a1c51cef
author Max VA <maxv@sentinelone.com> 1635175913 +0200
committer David S. Miller <davem@davemloft.net> 1635252187 +0100

tipc: fix size validations for the MSG_CRYPTO type

The function tipc_crypto_key_rcv is used to parse MSG_CRYPTO messages
to receive keys from other nodes in the cluster in order to decrypt any
further messages from them.
This patch verifies that any supplied sizes in the message body are
valid for the received message.

Fixes: 1ef6f7c9390f ("tipc: add automatic session key exchange")
Signed-off-by: Max VA <maxv@sentinelone.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>