Patch to fix a segfault while duping some security descriptors
Nadezhda Ivanova
nivanova at samba.org
Sat Jun 19 13:29:58 MDT 2010
Hi,
As I remember I reviewed the patch and Anatoliy pushed it. It should be in
already.
On Fri, Jun 18, 2010 at 7:44 PM, Matthias Dieter Wallnöfer <mdw at samba.org>wrote:
> Nadia,
>
> do we still need this patch? Would you like to push it? Or how to proceed
> here?
>
> Matthias
>
>
> Nadezhda Ivanova wrote:
>
>> Hi,
>> That's a nice fix, but where is the caller that provided an uninitialized
>> DACL? Maybe that needs fixing too.
>>
>>
>> On Wed, May 26, 2010 at 12:49 AM, Anatoliy Atanasov<
>> anatoliy.atanasov at postpath.com> wrote:
>>
>>
>>
>>> Hi there,
>>>
>>> I had the same problem :), just waiting for the patch to be approved
>>> before
>>> pushing it.
>>>
>>> Thanks,
>>> Anatoliy
>>> ----- Original Message -----
>>>
>>>
>>>> From: samba-technical-bounces at lists.samba.org<
>>>>
>>>>
>>> samba-technical-bounces at lists.samba.org>
>>>
>>>
>>>> To: samba-technical at lists.samba.org<samba-technical at lists.samba.org>
>>>> Sent: Wednesday, May 26, 2010 0:04:47 AM (GMT+02:00) Athens, Bucharest,
>>>>
>>>>
>>> Istanbul
>>>
>>>
>>>> Subject: Patch to fix a segfault while duping some security descriptors
>>>>
>>>>
>>>
>>>
>>>> I found a segfault when duplicating a security descriptor that was
>>>>>
>>>>>
>>>> missing sacls or dacls. I ran into this when a piece of my code wrote
>>>> a security descriptor for an LDAP user that had no sacls. After doing
>>>> that, checking or unchecking the "User cannot change password" option
>>>> in the AD admin tool would cause samba to crash.
>>>>
>>>> I fixed this by checking if the acl was null in security_acl_dup
>>>> function, and returning NULL if that was the case.
>>>>
>>>>
>>>
>>>
>>
>>
>
>
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