netdev - Re: [Patch net] rds: limit the size allocated by rds_message

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Message-Id: <20130304.141442.2136706050807177427.davem@davemloft.net>
Date:	Mon, 04 Mar 2013 14:14:42 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	amwang@...hat.com
Cc:	netdev@...r.kernel.org, rds-devel@....oracle.com, davej@...hat.com,
	venkat.x.venkatsubra@...cle.com
Subject: Re: [Patch net] rds: limit the size allocated by
 rds_message_alloc()

From: Cong Wang <amwang@...hat.com>
Date: Mon,  4 Mar 2013 10:18:11 +0800

> From: Cong Wang <amwang@...hat.com>
> 
> Dave Jones reported the following bug:
> 
> "When fed mangled socket data, rds will trust what userspace gives it,
> and tries to allocate enormous amounts of memory larger than what
> kmalloc can satisfy."
 ...
> Reported-by: Dave Jones <davej@...hat.com>
> Cc: Dave Jones <davej@...hat.com>
> Cc: David S. Miller <davem@...emloft.net>
> Cc: Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>
> Signed-off-by: Cong Wang <amwang@...hat.com>

Applied and queued up for -stable, thanks.
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