From: Zefan Li Subject: Re: [BUG in v3.18 ?] Seems to be triggered from cgroup code Date: Thu, 12 Feb 2015 14:09:35 +0800 Message-ID: <54DC439F.2080703@huawei.com> References: <54D402BA.2030307@oracle.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <54D402BA.2030307-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: santosh shilimkar Cc: Tejun Heo , cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, "linux-kernel-u79uwXL29TY76Z2rM5mHXA@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