Re: [PATCH] nfs: Fix misparsing of nfsv4 fs_locations attribute

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On Thu, Aug 21, 2008 at 6:54 PM, J. Bruce Fields <bfields@xxxxxxxxxxxx> wrote:
> On Thu, Aug 21, 2008 at 06:22:02PM -0400, Chuck Lever wrote:
>> I don't think you want to add a lot of specialized logic in
>> nfs4namespace.c or client.c or where ever that has to figure out what
>> a valid IP address string looks like.  Just hand the referral hostname
>> string to the super.c address parser.  That's what it's there for.
>>
>> If something comes out, it's almost sure to be a valid address.  If
>> you have a scope ID too, then it's unsupported for now, and punt.  You
>> can also explicitly check for a link-local address (there is a
>> facility for that) and punt in that case too.
>
> The case where the scope id is bad or the kstrndup() in
> nfs_parse_ipv6_scope_id fails seems to be indistinguishable from the
> case where there is no scope id specified.

This sounds like nfs_parse_ipv6_scope_id() is broken.  You mean if the
hostname just ends with a '%' ?

-- 
Chuck Lever
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