From: Dave Jones <davej-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: "Paul E. McKenney"
<paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
Cc: CAI Qian <caiqian-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
Eric Dumazet
<eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Containers
<containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org,
Sasha Levin <sasha.levin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Subject: Re: 3.9-rc1 NULL pointer crash at find_pid_ns
Date: Thu, 14 Mar 2013 16:00:54 -0400 [thread overview]
Message-ID: <20130314200054.GA5924@redhat.com> (raw)
In-Reply-To: <20130309155146.GR3268-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
On Sat, Mar 09, 2013 at 07:51:46AM -0800, Paul E. McKenney wrote:
> On Sat, Mar 09, 2013 at 04:01:41PM +0800, Li Zefan wrote:
>
> [ . . . ]
>
> > > This way, "ptr" is executed exactly once, and the check and the
> > > hlist_entry() are both using the same value.
> >
> > I just played with trinity, and triggered this bug in just a few mins,
> > and I tried Paul's proposed fix and it works.
>
> Thank you for testing this! Please see below for the patch.
>
> Sasha, will you be pushing this or would you like me to do so?
[crickets]
Given this has been hanging for the better part of another week,
Paul why not send it Linus so hopefully rc3 doesn't have this bug ?
Dave
next prev parent reply other threads:[~2013-03-14 20:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <611667212.10748821.1362649031475.JavaMail.root@redhat.com>
[not found] ` <611667212.10748821.1362649031475.JavaMail.root-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-03-07 9:42 ` 3.9-rc1 NULL pointer crash at find_pid_ns Li Zefan
[not found] ` <513860E8.4080807-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-03-07 9:59 ` Eric W. Biederman
[not found] ` <876213wmwt.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-03-07 17:36 ` Sasha Levin
[not found] ` <5138D001.8000409-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2013-03-07 17:46 ` Eric Dumazet
[not found] ` <1362678371.15793.218.camel@edumazet-glaptop>
2013-03-07 17:50 ` Sasha Levin
[not found] ` <5138D377.6040406@oracle.com>
[not found] ` <5138D377.6040406-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2013-03-07 18:04 ` Paul E. McKenney
2013-03-07 18:05 ` Eric W. Biederman
[not found] ` <87boavrspd.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-03-07 18:14 ` Sasha Levin
[not found] ` <5138D8F2.5020900-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2013-03-07 18:18 ` Eric Dumazet
2013-03-07 18:21 ` Eric W. Biederman
[not found] ` <87r4jrqdf6.fsf-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
2013-03-07 18:27 ` Sasha Levin
2013-03-07 18:29 ` Paul E. McKenney
[not found] ` <20130307182934.GY3268-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2013-03-09 8:01 ` Li Zefan
[not found] ` <513AEC65.8000008@huawei.com>
[not found] ` <513AEC65.8000008-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
2013-03-09 15:51 ` Paul E. McKenney
[not found] ` <20130309155146.GR3268-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2013-03-14 20:00 ` Dave Jones [this message]
[not found] ` <20130314200054.GA5924-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-03-14 21:00 ` Paul E. McKenney
2013-03-07 18:15 ` Paul E. McKenney
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20130314200054.GA5924@redhat.com \
--to=davej-h+wxahxf7alqt0dzr+alfa@public.gmane.org \
--cc=caiqian-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org \
--cc=ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org \
--cc=eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=paulmck-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org \
--cc=sasha.levin-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox