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From: Alex Elder <elder@ieee.org>
To: Ilya Dryomov <ilya.dryomov@inktank.com>
Cc: Ceph Development <ceph-devel@vger.kernel.org>
Subject: Re: [PATCH] rbd: do not return -ERANGE on auth failure
Date: Thu, 11 Sep 2014 11:43:44 -0500	[thread overview]
Message-ID: <5411D140.6040807@ieee.org> (raw)
In-Reply-To: <CALFYKtAyR_hNMa92UL7v3bkHx6gCQ-O1G=98Ls08Cq8Ly_imbg@mail.gmail.com>

On 09/11/2014 11:27 AM, Ilya Dryomov wrote:
>> I should have asked this before.  Why is a permission error
>> > leading to ceph_extract_encoded_string() finding a short
>> > buffer?  I didn't take the time to trace the error path
>> > you're talking about here all the way back.
> rbd_obj_method_sync() returns -EPERM, which when compared with size_t
> from sizeof() ends up a big positive.  ceph_extract_encoded_string() is
> then called and the safe decode macro kicks in..

I somehow got lost along the way and thought rbd_obj_method_sync()
was returning -ERANGE.  The problem starts because rbd_obj_method_sync()
returns an error other than -ENOENT, and that led me astray I think.

Sorry for the confusion.

					-Alex


  reply	other threads:[~2014-09-11 16:43 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-11 15:10 [PATCH] rbd: do not return -ERANGE on auth failure Ilya Dryomov
2014-09-11 15:23 ` Alex Elder
2014-09-11 16:17   ` Ilya Dryomov
2014-09-11 16:24     ` Alex Elder
2014-09-11 16:27       ` Ilya Dryomov
2014-09-11 16:43         ` Alex Elder [this message]
2014-09-11 16:46     ` Alex Elder

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