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))

[Steve Clark]

On 07/08/2011 12:32 PM, Michał Piotrowski wrote:
> W dniu 8 lipca 2011 18:21 użytkownik Michał Piotrowski
> <mkkp4x4 at gmail.com>  napisał:
>> Hi,
>>
>> 2011/7/8 Andreas Schwab<schwab at redhat.com>:
>>> Use valgrind.
>> I attach valgrind output.
>>
>> ==1312== 1 errors in context 1 of 116:
>> ==1312== Source and destination overlap in memcpy(0xaef1590, 0xaef1593, 76)
>> ==1312==    at 0x4C283B6: memcpy@@GLIBC_2.14 (mc_replace_strmem.c:653)
>> ==1312==    by 0x401835: ??? (in /sbin/mount.ecryptfs)
>> ==1312==    by 0x5E3039C: (below main) (in /lib64/libc-2.14.so)
> I installed ecryptfs-utils-debuginfo package and now it's more readable
>
> ==1815== 1 errors in context 1 of 116:
> ==1815== Source and destination overlap in memcpy(0xaef1590, 0xaef1593, 76)
> ==1815==    at 0x4C283B6: memcpy@@GLIBC_2.14 (mc_replace_strmem.c:653)
> ==1815==    by 0x401835: main (string3.h:52)
>
>
So it does appear to be related to the memcpy change in libc.
>> Could this be related to
>>   - Fix static linking with checking x86/x86-64 memcpy (BZ#12653)
>> or is it an eCryptfs problem?
>>
>>> Andreas.
>>>
>>> --
>>> Andreas Schwab, schwab at redhat.com
>>> GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
>>> "And now for something completely different."
>>> --
>>> devel mailing list
>>> devel at lists.fedoraproject.org
>>> https://admin.fedoraproject.org/mailman/listinfo/devel
>>>

-- 
Stephen Clark
*NetWolves*
Sr. Software Engineer III
Phone: 813-579-3200
Fax: 813-882-0209
Email: steve.clark at netwolves.com
http://www.netwolves.com
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