Re: [PATCH] ns: Fix time_for_children symlink

From: Dmitry Safonov
Date: Fri Apr 03 2020 - 08:49:58 EST


On 4/3/20 1:34 PM, Christian Brauner wrote:
> On Fri, Apr 03, 2020 at 02:11:39PM +0200, Michael Kerrisk (man-pages) wrote:
>> Dmitry, Andrei,
>>
>> Looking at the contents of the /proc/PID/ns/time_for_children
>> symlink shows an anomaly:
>>
>> $ ls -l /proc/self/ns/* |awk '{print $9, $10, $11}'
>> ...
>> /proc/self/ns/pid -> pid:[4026531836]
>> /proc/self/ns/pid_for_children -> pid:[4026531836]
>> /proc/self/ns/time -> time:[4026531834]
>> /proc/self/ns/time_for_children -> time_for_children:[4026531834]
>> /proc/self/ns/user -> user:[4026531837]
>> ...
>>
>> The reference for 'time_for_children' should be a 'time' namespace,
>> just as the reference for 'pid_for_children' is a 'pid' namespace.
>> In other words, I think the above time_for_children link should read:
>>
>> /proc/self/ns/time_for_children -> time:[4026531834]
>>
>> If you agree with this patch, then it should be marked for
>> stable@xxxxxxxxxxxxxxxx
>>
>> Signed-off-by: Michael Kerrisk <mtk.manpages@xxxxxxxxx>
>
> Yeah, that just seems like an oversight.
>
> Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>

Thanks,

Reviewed-by: Dmitry Safonov <dima@xxxxxxxxxx>
Fixes: 769071ac9f20 ("ns: Introduce Time Namespace")
+Cc: stable # v5.6

--
Dmitry