From: Mathias Krause <minipli@googlemail.com>
Date: Wed, 19 Nov 2014 17:05:26 +0000 (+0100)
Subject: pptp: fix stack info leak in pptp_getname()
X-Git-Tag: omap-for-v3.19/fixes-for-merge-window~83^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5f6fc28d6e6cc379c6839f21820e62262419584;p=pandora-kernel.git

pptp: fix stack info leak in pptp_getname()

pptp_getname() only partially initializes the stack variable sa,
particularly only fills the pptp part of the sa_addr union. The code
thereby discloses 16 bytes of kernel stack memory via getsockname().

Fix this by memset(0)'ing the union before.

Cc: Dmitry Kozlov <xeb@mail.ru>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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