From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 1 May 2017 18:43:43 +0000 (+0300)
Subject: cifs: small underflow in cnvrtDosUnixTm()
X-Git-Tag: v3.2.92~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=67a70eac6d81ee5a7473e11cae464c89783af725;p=pandora-kernel.git

cifs: small underflow in cnvrtDosUnixTm()

commit 564277eceeca01e02b1ef3e141cfb939184601b4 upstream.

January is month 1.  There is no zero-th month.  If someone passes a
zero month then it means we read from one space before the start of the
total_days_of_prev_months[] array.

We may as well also be strict about days as well.

Fixes: 1bd5bbcb6531 ("[CIFS] Legacy time handling for Win9x and OS/2 part 1")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Steve French <smfrench@gmail.com>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---

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