Check user-defined length in snmp ioctl request and allow request
only if it fits into a qeth command buffer.
Signed-off-by: NUrsula Braun <ursula.braun@de.ibm.com>
Signed-off-by: NFrank Blaschka <frank.blaschka@de.ibm.com>
Reviewed-by: NHeiko Carstens <heicars2@linux.vnet.ibm.com>
Reported-by: NNico Golde <nico@ngolde.de>
Reported-by: NFabian Yamaguchi <fabs@goesec.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>