[Python-Dev] segfaults due to hash randomization in C OrderedDict

[Eric Snow]

On Thu, May 21, 2015 at 4:06 PM, MRAB <python at mrabarnett.plus.com> wrote:
> On 2015-05-21 22:52, Eric Snow wrote:
>> Good catch.  Unfortunately, sticking "keys = ((PyDictObject
>> *)od)->ma_keys;" right after "hash = ..." did not make a difference.
>> I still get the same segfault.
>
> So, does it change sometimes?

The segfault is consistent if I use the same seed (e.g. 7):

  PYTHONHASHSEED=7 ./python -m test.regrtest -m test_basic test_configparser

Some seeds always segfault and some seeds never segfault.

-eric