linux-kernel - Re: use after free in sysfs_find

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Message-ID: <514496D4.4090009@gmail.com>
Date:	Sat, 16 Mar 2013 11:59:16 -0400
From:	Sasha Levin <levinsasha928@...il.com>
To:	Ming Lei <tom.leiming@...il.com>
CC:	Hillf Danton <dhillf@...il.com>, Dave Jones <davej@...hat.com>,
	Greg Kroah-Hartman <greg@...ah.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: use after free in sysfs_find_dirent

On 03/16/2013 11:22 AM, Ming Lei wrote:
> On Sat, Mar 16, 2013 at 11:07 PM, Sasha Levin <levinsasha928@...il.com> wrote:
>>
>> Hi Ming,
>>
>> With your patch:
>>
>>
>> [ 1525.874312] release_sysfs_dirent sysfs_dirent use after free: ptysb-uevent
> 
> Sasha, thanks for your test.
> 
> So is the oops always triggered on this node of 'ptysb-uevent' or the node name
> is changed every time?

Hi Ming,

Looks like it's a different one every time. Just got one on ad7266-unbind.


Thanks,
Sasha
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