From: Dave Jones <davej@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: tytso@mit.edu, Linux Kernel <linux-kernel@vger.kernel.org>,
linux-ext4@vger.kernel.org
Subject: Re: ext4 object already free.
Date: Fri, 5 Apr 2013 09:49:29 -0400 [thread overview]
Message-ID: <20130405134929.GA1648@redhat.com> (raw)
In-Reply-To: <20130405102553.GB3848@quack.suse.cz>
On Fri, Apr 05, 2013 at 12:25:53PM +0200, Jan Kara wrote:
> > [ 93.672257] [<ffffffff812c2da9>] sys_msgctl+0x139/0x400
> > [ 93.674641] [<ffffffff816c5d4d>] ? retint_swapgs+0xe/0x13
> > [ 93.677056] [<ffffffff810b6c55>] ? trace_hardirqs_on_caller+0x115/0x1a0
> > [ 93.679626] [<ffffffff8134b39e>] ? trace_hardirqs_on_thunk+0x3a/0x3f
> > [ 93.682159] [<ffffffff816cd942>] system_call_fastpath+0x16/0x1b
> > [ 93.799329] FIX kmalloc-64: Object at 0xffff88009997e620 not freed
> And then sys_msgctl() came and wanted to free it again without
> allocating. So it looks like a problem with IPC?
Seems plausible, considering the bugs Linus & others found there in the
last week. Should be fixed now, so I'll holler if I see this again.
thanks,
Dave
prev parent reply other threads:[~2013-04-05 13:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-29 15:58 ext4 object already free Dave Jones
2013-04-05 10:25 ` Jan Kara
2013-04-05 13:49 ` Dave Jones [this message]
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