Re: free(): double free detected in tcache 2

On 27/02/2020 17:46, Graham Cobb wrote:
>>
>> yep, this code has not changed for years... The problem occurs at etage
>> object construction. Its field "fichier" should be initalized by default
>> before the etage constructor code is ran. The first thing that is done
>> is to invoke the std::deque::clear() method on this one, which seems to
>> be the #5 in the stack.
> 
> It looks like this may be a debian packaging bug... I have just realised
> that when I upgraded dar to 2.6.8, it did not upgrade libdar to 2.6.8 as
> well. So, I have been running with dar 2.6.8 but libdar 2.6.6.
> 
> I have now upgraded libdar to 2.6.8 as well and the backup is now
> running. I will provide another reply when it finishes to let you know
> if it is successful.
> 
> If so, I will report a debian bug saying that dar should have a
> dependency on the same version of libdar. Is that correct?

The backup has finished successfully. I can confirm that the crash no
longer happens. I believe the only change I made was to install the same
version of libdar.