From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
sasha.levin@oracle.com
Subject: Re: BUG_ON(nd->inode != parent->d_inode);
Date: Fri, 8 Mar 2013 23:39:12 -0500 [thread overview]
Message-ID: <20130309043912.GA2797@redhat.com> (raw)
In-Reply-To: <CA+55aFz9d70DCixqNdmit=OHmUi3kB9p14TDVyEvO_yRZ=2FTg@mail.gmail.com>
On Fri, Mar 08, 2013 at 08:31:48PM -0800, Linus Torvalds wrote:
> On Fri, Mar 8, 2013 at 7:50 PM, Dave Jones <davej@redhat.com> wrote:
> > > >
> > > > I have a feeling there were some sysfs ones that may still be unfixed.
> >
> > I was right..
> >
> > [ 425.836722] general protection fault: 0000 [#1] PREEMPT SMP
>
> You forgot to enable DEBUG_PAGE_ALLOC again, but I don't think it much
> matters. It's another slab free poison thing.
>
> The faulting instruction is
>
> mov 0x28(%rbx),%ecx
>
> with %rbx having the value 6b6b6b6b6b6b6b6b.
>
> > [ 425.847859] RIP: 0010:[<ffffffff8123f657>] [<ffffffff8123f657>] sysfs_find_dirent+0x47/0xf0
>
> That seems to be
>
> if (hash != sd->s_hash)
>
> from sysfs_name_compare() that has been inlined into
> sysfs_find_dirent(). And where "sd" is the corrupted value. If I read
> things right.
>
> So it looks like the sysfs rbtree is corrupted or something. Adding
> Greg to the cc.
oh , that rings a bell. ISTR this had something to do with Sasha's idr changes.
Dave
next prev parent reply other threads:[~2013-03-09 4:39 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 2:16 BUG_ON(nd->inode != parent->d_inode); Dave Jones
2013-03-07 15:30 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 17:30 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 19:35 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 20:33 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 21:38 ` ipc/testmsg GPF Dave Jones
2013-03-07 21:45 ` Linus Torvalds
2013-03-07 21:49 ` David Miller
2013-03-07 21:51 ` Linus Torvalds
2013-03-07 22:03 ` Dave Jones
2013-03-07 22:36 ` pipe_release oops Dave Jones
2013-03-07 23:14 ` fasync_remove_entry oops Dave Jones
2013-03-07 23:46 ` Linus Torvalds
2013-03-07 23:54 ` Dave Jones
2013-03-08 0:20 ` Dave Jones
2013-03-08 0:21 ` pipe_release oops Linus Torvalds
2013-03-08 14:53 ` Dave Jones
2013-03-08 18:30 ` Linus Torvalds
2013-03-08 18:26 ` Jörn Engel
2013-03-10 23:33 ` Al Viro
2013-03-12 19:09 ` Jörn Engel
2013-03-10 22:10 ` Al Viro
2013-03-11 0:35 ` Al Viro
2013-03-11 15:10 ` Linus Torvalds
2013-03-11 18:05 ` Al Viro
2013-03-12 13:06 ` Al Viro
2013-03-12 15:31 ` Linus Torvalds
2013-03-12 19:43 ` Al Viro
2013-03-12 19:56 ` Dave Jones
2013-03-12 20:09 ` Linus Torvalds
2013-03-12 20:51 ` Al Viro
2013-03-27 13:51 ` Yet another pipe related oops Dave Jones
2013-03-27 15:20 ` Al Viro
2013-03-27 16:33 ` Linus Torvalds
2013-03-27 16:53 ` Raymond Jennings
2013-03-27 17:45 ` Al Viro
2013-04-01 20:34 ` Al Viro
2013-04-01 21:00 ` Greg Kroah-Hartman
2013-04-01 21:21 ` Al Viro
2013-04-01 21:44 ` Greg Kroah-Hartman
2013-04-01 23:27 ` Al Viro
2013-04-02 0:22 ` Al Viro
2013-04-02 1:55 ` Greg Kroah-Hartman
2013-03-12 1:27 ` pipe_release oops Dave Jones
2013-03-09 0:27 ` ipc/testmsg GPF Peter Hurley
2013-03-09 0:32 ` Dave Jones
2013-03-11 18:26 ` Dave Jones
2013-03-11 19:03 ` Peter Hurley
2013-03-12 22:02 ` Andrew Morton
2013-03-12 22:33 ` Dave Jones
2013-03-15 21:21 ` Dave Jones
2013-03-25 16:37 ` Dave Jones
2013-03-25 18:28 ` Peter Hurley
2013-03-25 18:39 ` Dave Jones
2013-03-07 22:18 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 22:50 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 23:03 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 23:55 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-11 0:02 ` BUG_ON(nd->inode->i_op->follow_link); Al Viro
2013-03-10 23:04 ` BUG_ON(nd->inode->i_op->follow_link); Al Viro
2013-03-12 18:31 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-08 15:04 ` BUG_ON(nd->inode != parent->d_inode); Dave Jones
2013-03-08 18:51 ` Linus Torvalds
2013-03-08 19:18 ` Dave Jones
2013-03-08 19:20 ` Dave Jones
2013-03-08 19:36 ` Dave Jones
2013-03-08 19:47 ` Linus Torvalds
2013-03-08 21:04 ` Dave Jones
2013-03-08 22:41 ` Linus Torvalds
2013-03-08 23:07 ` Dave Jones
2013-03-08 23:14 ` Dave Jones
2013-03-08 23:20 ` Linus Torvalds
2013-03-08 23:28 ` Linus Torvalds
2013-03-08 23:34 ` Dave Jones
2013-03-08 23:47 ` Dave Jones
2013-03-08 23:51 ` Linus Torvalds
2013-03-08 23:30 ` Dave Jones
2013-03-08 23:45 ` Linus Torvalds
2013-03-08 23:55 ` Dave Jones
2013-03-09 0:02 ` Linus Torvalds
2013-03-09 0:19 ` Dave Jones
2013-03-09 0:29 ` Raymond Jennings
2013-03-09 0:36 ` Dave Jones
2013-03-09 1:18 ` Linus Torvalds
2013-03-09 2:03 ` Dave Jones
2013-03-09 2:08 ` Linus Torvalds
2013-03-09 2:26 ` Dave Jones
2013-03-09 2:56 ` Dave Jones
2013-03-09 2:57 ` Dave Jones
[not found] ` <CA+55aFxyOYXnzDoWr7Utr1QLjjMUCON5EGH3FMvGBHxnxMJmQQ@mail.gmail.com>
2013-03-09 3:25 ` Dave Jones
2013-03-09 3:38 ` Eric W. Biederman
2013-03-09 4:26 ` Dave Jones
2013-03-09 8:28 ` Eric W. Biederman
[not found] ` <CA+55aFweyfew3VU79ZQV4otJcWiF0=xKXxDtADXcccNxGaqMwA@mail.gmail.com>
2013-03-09 3:50 ` Dave Jones
2013-03-09 4:31 ` Linus Torvalds
2013-03-09 4:39 ` Dave Jones [this message]
2013-03-09 5:13 ` Sasha Levin
2013-03-09 5:16 ` Dave Jones
2013-03-09 3:27 ` Eric W. Biederman
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