From: Ben Myers <bpm@sgi.com>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Fabian Yamaguchi <fabs@goesec.de>,
security@kernel.org, Alex Elder <elder@kernel.org>,
Nico Golde <nico@ngolde.de>,
xfs@oss.sgi.com
Subject: Re: [patch] xfs: underflow bug in xfs_attrlist_by_handle()
Date: Wed, 4 Dec 2013 15:53:59 -0600 [thread overview]
Message-ID: <20131204215359.GA1935@sgi.com> (raw)
In-Reply-To: <20131031180010.GA24839@longonot.mountain>
On Thu, Oct 31, 2013 at 09:00:10PM +0300, Dan Carpenter wrote:
> If we allocate less than sizeof(struct attrlist) then we end up
> corrupting memory or doing a ZERO_PTR_SIZE dereference.
>
> This can only be triggered with CAP_SYS_ADMIN.
>
> Reported-by: Nico Golde <nico@ngolde.de>
> Reported-by: Fabian Yamaguchi <fabs@goesec.de>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Applied. Thanks Dan.
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prev parent reply other threads:[~2013-12-04 21:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20131025144452.GA28451@ngolde.de>
2013-10-31 18:00 ` [patch] xfs: underflow bug in xfs_attrlist_by_handle() Dan Carpenter
2013-10-31 21:34 ` Dave Chinner
2013-12-04 21:53 ` Ben Myers [this message]
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