From: Kees Cook <keescook@chromium.org>
Date: Fri, 25 Oct 2013 13:14:43 +0000 (-0700)
Subject: kbuild: replace unbounded sprintf call in modpost
X-Git-Tag: v3.13-rc1~74^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=849464d1ba97a13b388fee9a69fbbeee175b349c;p=pandora-kernel.git

kbuild: replace unbounded sprintf call in modpost

The modpost tool could overflow its stack buffer if someone was running
with an insane shell environment. Regardless, it's technically a bug,
so this fixes it to truncate the string instead of seg-faulting.

Found by Coverity.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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