glibc 2.14-4 eats my data (Re: F15 ext3, eCryptfs + samba = data corruption (Re: F15 "Error mounting eCryptfs: [-5] Input/output error" on different disks))

[Michał Piotrowski]

W dniu 11 lipca 2011 18:28 użytkownik Michal Hlavinka
<mhlavink at redhat.com> napisał:
> On 07/11/2011 06:05 PM, Michał Piotrowski wrote:
>>
>> W dniu 11 lipca 2011 17:57 użytkownik Michal Hlavinka
>> <mhlavink at redhat.com>  napisał:
>>>
>>> On 07/11/2011 05:40 PM, Michał Piotrowski wrote:
>>>>
>>>> Hi,
>>>>
>>>> W dniu 11 lipca 2011 17:09 użytkownik Michal Hlavinka
>>>> <mhlavink at redhat.com>    napisał:
>>>>>
>>>>> ok, complain about memcpy in ecryptfs-utils is gone. I've checked all
>>>>> of
>>>>> them and I think I've fixed those which needed it. I was not able to
>>>>> reproduce original problem nor valgrind complaint, so please test if
>>>>> following package produces memcpy complain in valgrind output or not:
>>>>>
>>>>> http://kojipkgs.fedoraproject.org/scratch/mhlavink/task_3190860/
>>>>
>>>> Your mtab handling patch fixed both issues - mount warning and data
>>>> corruption :) Huge thanks!
>>>
>>> I can't imagine *how* it could affect this, so I'd advice to monitor it
>>> carefully if it is fixed for real.
>>
>> Ok, so I will do. Before each time I mounted ecryptfs I get this
>> "Error mounting eCryptfs: [-5] Input/output error" error. Now it's
>> gone - I tried a few times.
>
> yes, this is related to mtab patch, but it mounted it anyway. I was able to
> reproduce this warning. It should not affect smb+ecryptfs data corruption in
> any way.

I uploaded another large file (> 1 GB) and unfortunately data
corruption problem still exist - I do not know why it worked
previously.

> Btw, did you test if this version works in valgrind or not? (the
> "Source and destination overlap in memcpy" warning).

Yes, I tested this version, but log isn't generated - so I suppose
there are no problems that can be found by valgrind.

>
> btw, we should move this conversation off list if it's related only to
> ecryptfs.
>
> Michal
>



-- 
Best regards,
Michal

http://eventhorizon.pl/