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Subject: Re: [PATCH] nfsd: Fix oops when parsing a 0 length export
From: Sasha Levin <levinsasha928@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: linux-kernel@vger.kernel.org, Neil Brown <neilb@suse.de>,
        linux-nfs@vger.kernel.org
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	 <20111122202817.GD21451@fieldses.org>
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Date: Tue, 22 Nov 2011 22:33:29 +0200
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On Tue, 2011-11-22 at 15:28 -0500, J. Bruce Fields wrote:
> On Fri, Nov 18, 2011 at 12:14:49PM +0200, Sasha Levin wrote:
> > expkey_parse() oopses when handling a 0 length export. This is easily
> > triggerable from usermode by writing 0 bytes into
> > '/proc/[proc id]/net/rpc/nfsd.fh/channel'.
> 
> Thanks--how did you run across this?
> 
> --b.

Tried running a fuzzer on the system.

-- 

Sasha.