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

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Message-ID: <5134B2F7.3000207@oracle.com>
Date:	Mon, 04 Mar 2013 08:43:03 -0600
From:	venkat venkatsubra <venkat.x.venkatsubra@...cle.com>
To:	Cong Wang <amwang@...hat.com>
CC:	netdev@...r.kernel.org, rds-devel@....oracle.com,
	Dave Jones <davej@...hat.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [Patch net] rds: limit the size allocated by rds_message_alloc()


On 3/3/2013 8:18 PM, Cong Wang wrote:
> 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>
>
Acked-by: Venkat Venkatsubra <venkat.x.venkatsubra@...cle.com>
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