From: Eric Dumazet <edumazet@google.com>
Date: Mon, 20 Aug 2012 07:26:45 +0000 (+0000)
Subject: ipv4: fix ip header ident selection in __ip_make_skb()
X-Git-Tag: v3.6-rc3~10^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9915a1b52df52ad87f3b33422da95cf25372f09;p=pandora-kernel.git

ipv4: fix ip header ident selection in __ip_make_skb()

Christian Casteyde reported a kmemcheck 32-bit read from uninitialized
memory in __ip_select_ident().

It turns out that __ip_make_skb() called ip_select_ident() before
properly initializing iph->daddr.

This is a bug uncovered by commit 1d861aa4b3fb (inet: Minimize use of
cached route inetpeer.)

Addresses https://bugzilla.kernel.org/show_bug.cgi?id=46131

Reported-by: Christian Casteyde <casteyde.christian@free.fr>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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