From: Vasiliy Kulikov <segooon@gmail.com>
Date: Wed, 10 Nov 2010 21:29:18 +0300

quoted text
> packet_getname_spkt() doesn't initialize all members of sa_data field of
> sockaddr struct if strlen(dev->name) < 13.  This structure is then copied
> to userland.  It leads to leaking of contents of kernel stack memory.
> We have to fully fill sa_data with strncpy() instead of strlcpy().
> 
> The same with packet_getname(): it doesn't initialize sll_pkttype field of
> sockaddr_ll.  Set it to zero.
> 
> Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>

Applied.
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