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From: Zefan Li <lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
To: santosh shilimkar
	<santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [BUG in v3.18 ?] Seems to be triggered from cgroup code
Date: Thu, 12 Feb 2015 14:09:35 +0800	[thread overview]
Message-ID: <54DC439F.2080703@huawei.com> (raw)
In-Reply-To: <54D402BA.2030307-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

On 2015/2/6 7:54, santosh shilimkar wrote:
> Hi Tejun and all,
> 
> We observed a BUG (stack is end of the email) while trying do some
> ceph testing. I looked at pidlist_free(), pidlist_array_load() for
> any potential leak but those functions looked fine to me.
> The BUG is not 100% reproducible either so though of reporting
> to the list to get some more pointers.
> 

By saying not 100% reproducible, do you mean it's reproducible but
not very easy to trigger?

I have to clue how this can happen...This reminds me another bug
report which also happend in pidlist code and it's not reproducible.

https://lkml.org/lkml/2014/9/16/710

WARNING: multiple messages have this Message-ID (diff)
From: Zefan Li <lizefan@huawei.com>
To: santosh shilimkar <santosh.shilimkar@oracle.com>
Cc: Tejun Heo <tj@kernel.org>, <cgroups@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [BUG in v3.18 ?] Seems to be triggered from cgroup code
Date: Thu, 12 Feb 2015 14:09:35 +0800	[thread overview]
Message-ID: <54DC439F.2080703@huawei.com> (raw)
In-Reply-To: <54D402BA.2030307@oracle.com>

On 2015/2/6 7:54, santosh shilimkar wrote:
> Hi Tejun and all,
> 
> We observed a BUG (stack is end of the email) while trying do some
> ceph testing. I looked at pidlist_free(), pidlist_array_load() for
> any potential leak but those functions looked fine to me.
> The BUG is not 100% reproducible either so though of reporting
> to the list to get some more pointers.
> 

By saying not 100% reproducible, do you mean it's reproducible but
not very easy to trigger?

I have to clue how this can happen...This reminds me another bug
report which also happend in pidlist code and it's not reproducible.

https://lkml.org/lkml/2014/9/16/710


  parent reply	other threads:[~2015-02-12  6:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-05 23:54 [BUG in v3.18 ?] Seems to be triggered from cgroup code santosh shilimkar
2015-02-05 23:54 ` santosh shilimkar
     [not found] ` <54D402BA.2030307-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2015-02-12  6:09   ` Zefan Li [this message]
2015-02-12  6:09     ` Zefan Li
     [not found]     ` <54DC439F.2080703-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2015-02-12 17:30       ` santosh shilimkar
2015-02-12 17:30         ` santosh shilimkar

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