From: Andrey Ryabinin <a.ryabinin@samsung.com>
Date: Tue, 27 Jan 2015 13:00:19 +0000 (+0300)
Subject: net/9p: use memcpy() instead of snprintf() in p9_mount_tag_show()
X-Git-Tag: omap-for-v4.2/o2_dc~84^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=179a5bc4b8cbe68ca675057b960dd805867e41c4;p=pandora-kernel.git

net/9p: use memcpy() instead of snprintf() in p9_mount_tag_show()

p9_mount_tag_show() uses '%s' format string to print
non-NULL terminated chan->tag string. This leads
to out of bounds memory read, because format '%s'
implies that string is NULL-terminated.

The length of string is know here, so its simpler and safer
to use memcpy instead of snprintf().

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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