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H A Dtun.cdiff a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc Sun Jul 29 14:45:14 CDT 2012 Mathias Krause <minipli@googlemail.com> net/tun: fix ioctl() based info leaks

The tun module leaks up to 36 bytes of memory by not fully initializing
a structure located on the stack that gets copied to user memory by the
TUNGETIFF and SIOCGIFHWADDR ioctl()s.

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