[PATCH] getlogin_r: return early when linux sentinel value is set

[Florian Weimer]

On 04/03/2018 01:40 PM, Adhemerval Zanella wrote:
> 
> 
> On 03/04/2018 07:46, Florian Weimer wrote:
>> On 03/28/2018 02:37 AM, Adhemerval Zanella wrote:
>>> Pushed upstream.
>>>
>>> On 26/03/2018 13:30, Adhemerval Zanella wrote:
>>>> I will take care of it today, thanks for remind me.
>>>>
>>>> Sent from my iPhone
>>>>
>>>>> On 26 Mar 2018, at 11:22, Jesse Hathaway <jesse@mbuki-mvuki.org> wrote:
>>>>>
>>>>>> On Thu, Mar 22, 2018 at 2:30 PM, Jesse Hathaway <jesse@mbuki-mvuki.org> wrote:
>>>>>> fixed, attached
>>>>>
>>>>> Adhemerval Zanella would you be able to push this for me?
>>>>> <getlogin_r.c.patch>
>>
>> If this has user-visible impact, it should have a bug in Bugzilla, referenced from the ChangeLog entry.

> My understanding it is optimization to avoid access nss in
> case of invalid uid.

There's a Launchpad bug that suggests a very visible difference in behavior:

https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1760713

Thanks,
Florian