[lkml]   [2016]   [Dec]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH v2] inotify: Convert to using per-namespace limits
Nikolay Borisov <> writes:

> On 8.12.2016 08:58, Nikolay Borisov wrote:
>> On 8.12.2016 03:40, Eric W. Biederman wrote:
>>> Nikolay Borisov <> writes:
>>>> Gentle ping, now that rc1 has shipped and Jan's sysctl concern hopefully
>>>> resolved.
>>> After getting slowed down by some fixes I am now taking a hard look at
>>> your patch in the hopes of merging it.
>>> Did you happen to see the kbuild test roboot boot failures and did you
>>> happen to look into what caused them? I have just skimmed them and it
>>> appears to be related to your patch.
>> I saw them in the beginning but they did look like a generic memory
>> corruption and I believe at the time those patches were submitted there
>> was a lingering memory corruption hitting various patches. Thus I didn't
>> think it was related to my patches. I've since left my work so been
>> taking a bit of time off and haven't looked really hard, so those
>> patches have been kind of lingering.
>> But now that you mention it I will try and take a second look to see
>> what might cause the memory corruption? Is there a way to force 0day to
>> re-run them to see whether the failure was indeed caused by my patches
>> or were intermittent?
> Ok, I took another look into the report but bear in mind that the
> corruption indeed happened in retire_userns_sysctls. But also this row
> in the report leads me to believe it's not my patch that's the culprit:
> [ 65.527277] INFO: Allocated in setup_userns_sysctls+0x3f/0xa6 age=5
> cpu=1 pid=418
> [ 65.558397] INFO: Freed in free_ctx+0x1d/0x20 age=6 cpu=0 pid=19
> So a free_ctx function did free it originally, likely causing the
> corruption. And there is no such function involved in the code I'm touching.

Yes. I read through your patch carefully and it doesn't look like it
could possibly cause that kind of corruption, the code is just too

So I have (belatedly) placed this change in linux-next.


 \ /
  Last update: 2016-12-09 06:43    [W:1.433 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site