id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
28474	DurationField does not handle OverflowError if an out of range input is passed	v1k45	Srinivas Reddy Thatiparthy	"If an input with large number of days (e.g. `1000000000 10:11:12`) is passed to `forms.DurationField`, the view crashes with the following exception message:

{{{
Exception Type: OverflowError at /path/name/
Exception Value: days=1000000000; must have magnitude <= 999999999
}}}

The full traceback is given below:

{{{
Environment:


Request Method: POST
Request URL: http://127.0.0.1:8000/admin/project/listing/7/change/

Django Version: 1.10.7
Python Version: 3.5.3
Installed Applications:
['django.contrib.sites',
 'django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'project.apps.projectAppConfig']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
 'django.contrib.sessions.middleware.SessionMiddleware',
 'django.middleware.common.CommonMiddleware',
 'django.middleware.csrf.CsrfViewMiddleware',
 'django.contrib.auth.middleware.AuthenticationMiddleware',
 'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
 'django.contrib.messages.middleware.MessageMiddleware',
 'django.middleware.clickjacking.XFrameOptionsMiddleware']



Traceback:

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/core/handlers/exception.py"" in inner
  42.             response = get_response(request)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/core/handlers/base.py"" in _legacy_get_response
  249.             response = self._get_response(request)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/core/handlers/base.py"" in _get_response
  187.                 response = self.process_exception_by_middleware(e, request)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/core/handlers/base.py"" in _get_response
  185.                 response = wrapped_callback(request, *callback_args, **callback_kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/contrib/admin/options.py"" in wrapper
  544.                 return self.admin_site.admin_view(view)(*args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/utils/decorators.py"" in _wrapped_view
  149.                     response = view_func(request, *args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/views/decorators/cache.py"" in _wrapped_view_func
  57.         response = view_func(request, *args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/contrib/admin/sites.py"" in inner
  211.             return view(request, *args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/contrib/admin/options.py"" in change_view
  1512.         return self.changeform_view(request, object_id, form_url, extra_context)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/utils/decorators.py"" in _wrapper
  67.             return bound_func(*args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/utils/decorators.py"" in _wrapped_view
  149.                     response = view_func(request, *args, **kwargs)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/utils/decorators.py"" in bound_func
  63.                 return func.__get__(self, type(self))(*args2, **kwargs2)

File ""/usr/lib/python3.5/contextlib.py"" in inner
  30.                 return func(*args, **kwds)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/contrib/admin/options.py"" in changeform_view
  1441.             if form.is_valid():

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/forms.py"" in is_valid
  169.         return self.is_bound and not self.errors

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/forms.py"" in errors
  161.             self.full_clean()

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/forms.py"" in full_clean
  370.         self._clean_fields()

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/forms.py"" in _clean_fields
  388.                     value = field.clean(value)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/fields.py"" in clean
  158.         value = self.to_python(value)

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/forms/fields.py"" in to_python
  498.         value = parse_duration(force_text(value))

File ""/home/vikas/.virtualenvs/projectname/lib/python3.5/site-packages/django/utils/dateparse.py"" in parse_duration
  127.         return datetime.timedelta(**kw)

Exception Type: OverflowError at /admin/project/listing/7/change/
Exception Value: days=1000000000; must have magnitude <= 999999999

}}}

If a more ''long'' value is passed as days, the execption message changes to

{{{
Python int too large to convert to C long
}}}

The expected behaviour would be to raise a `ValidationError` with message like `Duration is too long` etc."	Bug	closed	Forms	dev	Normal	fixed		v1k45	Accepted	1	0	0	0	1	0