From: Oleg Nesterov <oleg@redhat.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Anton Arapov <anton@redhat.com>,
"Frank Ch. Eigler" <fche@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Srikar Dronamraju <srikar@linux.vnet.ibm.com>,
William Cohen <wcohen@redhat.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] uprobes: mmap_region() corrupts mm->mm_rb if uprobe_mmap() fails
Date: Sat, 28 Jul 2012 18:34:51 +0200 [thread overview]
Message-ID: <20120728163451.GA22727@redhat.com> (raw)
In-Reply-To: <20120728163157.GA22719@redhat.com>
On 07/28, Oleg Nesterov wrote:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=843640
>
> If mmap_region()->uprobe_mmap() fails, unmap_and_free_vma path
> does unmap_region() but does not remove the soon-to-be-freed vma
> from rb tree (actually there are more problems).
Just in case...
Ingo, this is orthogonal to other pending changes I sent. I think
3.6 (and 3.5-stable) needs this fix.
Oleg.
next prev parent reply other threads:[~2012-07-28 16:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-28 16:31 [PATCH] uprobes: mmap_region() corrupts mm->mm_rb if uprobe_mmap() fails Oleg Nesterov
2012-07-28 16:34 ` Oleg Nesterov [this message]
2012-07-30 13:22 ` William Cohen
2012-07-31 6:47 ` Srikar Dronamraju
2012-07-31 12:48 ` Oleg Nesterov
2012-07-31 13:25 ` Oleg Nesterov
2012-08-02 10:05 ` [PATCH] uprobes: Ignore unsupported instructions in uprobe_mmap Srikar Dronamraju
2012-08-02 13:53 ` Oleg Nesterov
2012-08-02 16:42 ` Srikar Dronamraju
2012-08-02 17:48 ` Oleg Nesterov
2012-08-03 12:13 ` Srikar Dronamraju
2012-08-03 13:38 ` Oleg Nesterov
2012-08-02 14:17 ` Oleg Nesterov
2012-08-02 16:54 ` Srikar Dronamraju
2012-08-02 17:53 ` Oleg Nesterov
2012-08-03 1:20 ` Srikar Dronamraju
2012-08-03 13:47 ` Oleg Nesterov
2012-08-03 17:46 ` [PATCH] uprobes: mmap_region() corrupts mm->mm_rb if uprobe_mmap() fails Srikar Dronamraju
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