netdev - Re: [stable] [BUG] net: fix /proc/net/snmp as memory corruptor

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Message-ID: <20081115060237.GA3910@kroah.com>
Date:	Fri, 14 Nov 2008 22:02:37 -0800
From:	Greg KH <greg@...ah.com>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	stable@...nel.org, "David S. Miller" <davem@...emloft.net>,
	netdev@...r.kernel.org
Subject: Re: [stable] [BUG] net: fix /proc/net/snmp as memory corruptor

On Sat, Nov 15, 2008 at 06:25:33AM +0100, Eric Dumazet wrote:
> Greg KH a écrit :
>> On Fri, Nov 14, 2008 at 06:08:48AM +0100, Eric Dumazet wrote:
>>> Hello Greg
>>>
>>> A patch was submited about /proc/net/snmp being a memory corruptor and 
>>> not SMP safe
>>>
>>> (commit b971e7ac834e9f4bda96d5a96ae9abccd01c1dd8)
>>>
>>> These bugs are present on 2.6.26 & 2.6.27.
>> I looking at this, it doesn't seem to apply at all to the .27 tree.  If
>> David doesn't object, care to backport it there and send it to
>> stable@...nel.org?
>
> Strange... I just tried to apply patch on top of a fresh linux-2.6.27.6 
> tree and got no error
>
> # patch -p1 < /tmp/icmp_snmp.patch
> patching file net/ipv4/proc.c
> #

I've attached the patch I tried to apply below.  It fails with:
	$ patch -p1 --dry-run < ../net-fix-proc-net-snmp-as-memory-corruptor.patch 
	patching file net/ipv4/proc.c
	Hunk #1 FAILED at 237.
	1 out of 1 hunk FAILED -- saving rejects to file net/ipv4/proc.c.rej


Any thoughts?

thanks,

greg k-h

View attachment "net-fix-proc-net-snmp-as-memory-corruptor.patch" of type "text/plain" (2639 bytes)