From: J. Bruce Fields <bfields@redhat.com>
Date: Tue, 26 Mar 2013 18:11:13 +0000 (-0400)
Subject: nfsd4: reject "negative" acl lengths
X-Git-Tag: v3.2.43~45
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=509d8d1dcefb35111b3f1e24f56be7d956cef439;p=pandora-kernel.git

nfsd4: reject "negative" acl lengths

commit 64a817cfbded8674f345d1117b117f942a351a69 upstream.

Since we only enforce an upper bound, not a lower bound, a "negative"
length can get through here.

The symptom seen was a warning when we attempt to a kmalloc with an
excessive size.

Reported-by: Toralf Förster <toralf.foerster@gmx.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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