linux-kernel - Re: use after free in sysfs_find

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Message-ID: <CACVXFVOu-Q3ONwwYMTWoDD6hzbSsh7KwAaPzPAHeoh3aTMFafw@mail.gmail.com>
Date:	Wed, 13 Mar 2013 19:47:06 +0800
From:	Ming Lei <tom.leiming@...il.com>
To:	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 Thu, Mar 7, 2013 at 2:26 PM, Dave Jones <davej@...hat.com> wrote:
> Could be some of those that caused these bugs.
>
> I just retried rerunning the test a few times.  Every time I run for a while
> I end up with different crashes.  It's raining bugs over here.
> (Here's another sysfs one below)
>
> Running 'trinity -c mkdirat -V /sys' doesn't seem to trigger it, so it's an
> interaction with something else maybe.

Maybe it is helpful for trinity to output some previous recorded operations
on /sysfs when the crash is triggered.

Thanks,
-- 
Ming Lei
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