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(parent: d9d3fba) | patch
nfsd4: reject "negative" acl lengths
authorJ. Bruce Fields <bfields@redhat.com>
Tue, 26 Mar 2013 18:11:13 +0000 (14:11 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 5 Apr 2013 16:26:15 +0000 (09:26 -0700)
commit4717a20b67dfc024c6ee90c968889068b5e4b3aa
treedf97fe194047ede96a7a9b060d07dd2321dbbb36tree | snapshot
parentd9d3fba85c14cef1dbdace865d7825c01839c941commit | diff
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/nfsd/nfs4xdr.c diff | blob | history
Linux kernel for KaRo TX COM modules