Re: [PATCH] nfsd: Fix oops when parsing a 0 length export

From: Sasha Levin
Date: Tue Nov 22 2011 - 15:35:40 EST


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.

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