Re: [PATCH net] rxrpc: Fix an assertion in rxrpc_read()

From: David Howells <dhowells@redhat.com>
Date: Fri, 24 Feb 2017 12:33:09 +0000

From: Marc Dionne <marc.dionne@auristor.com>

In the rxrpc_read() function, which allows a user to read the contents of a
key, we miscalculate the expected length of an encoded rxkad token by not
taking into account the key length.  However, the data is stored later
anyway with an ENCODE_DATA() call - and an assertion failure then ensues
when the lengths are checked at the end.

Fix this by including the key length in the token size estimation.

The following assertion is produced:

 ...

Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>

Applied.