From: Sachin Prabhu <sprabhu@redhat.com>
Date: Tue, 17 Apr 2012 13:36:40 +0000 (+0100)
Subject: Avoid beyond bounds copy while caching ACL
X-Git-Tag: v3.2.19~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b7d52ac86a9753520a696af25d333e3451eeae92;p=pandora-kernel.git

Avoid beyond bounds copy while caching ACL

commit 5794d21ef4639f0e33440927bb903f9598c21e92 upstream.

When attempting to cache ACLs returned from the server, if the bitmap
size + the ACL size is greater than a PAGE_SIZE but the ACL size itself
is smaller than a PAGE_SIZE, we can read past the buffer page boundary.

Signed-off-by: Sachin Prabhu <sprabhu@redhat.com>
Reported-by: Jian Li <jiali@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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