[patch] xfs: underflow bug in xfs_attrlist_by_handle()

Ben Myers bpm at sgi.com
Wed Dec 4 15:53:59 CST 2013


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 at ngolde.de>
> Reported-by: Fabian Yamaguchi <fabs at goesec.de>
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

Applied.  Thanks Dan.



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