From: Chris Metcalf <cmetcalf@ezchip.com>
Date: Tue, 6 Oct 2015 16:37:41 +0000 (-0400)
Subject: strscpy: zero any trailing garbage bytes in the destination
X-Git-Tag: omap-for-v4.3/fixes-rc5~32^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=990486c8af044f89bddfbde1d1cf9fde449bedbf;p=pandora-kernel.git

strscpy: zero any trailing garbage bytes in the destination

It's possible that the destination can be shadowed in userspace
(as, for example, the perf buffers are now).  So we should take
care not to leak data that could be inspected by userspace.

Signed-off-by: Chris Metcalf <cmetcalf@ezchip.com>
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