tree b3e9cf667e8f13d15bc2fb76d8f44557a6f65202
parent 84d73cd3fb142bf1298a8c13fd4ca50fd2432372
author Mathias Krause <minipli@googlemail.com> 1362808341 +0000
committer David S. Miller <davem@davemloft.net> 1362907166 -0400

dcbnl: fix various netlink info leaks

The dcb netlink interface leaks stack memory in various places:
* perm_addr[] buffer is only filled at max with 12 of the 32 bytes but
  copied completely,
* no in-kernel driver fills all fields of an IEEE 802.1Qaz subcommand,
  so we're leaking up to 58 bytes for ieee_ets structs, up to 136 bytes
  for ieee_pfc structs, etc.,
* the same is true for CEE -- no in-kernel driver fills the whole
  struct,

Prevent all of the above stack info leaks by properly initializing the
buffers/structures involved.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>